DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.556s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-26 14:05:34,392 autosynth [ERROR] > Synthesis failed
2020-06-26 14:05:34,393 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-26 14:05:34,398 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-26 14:05:34,402 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.556s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-26 16:20:31,197 autosynth [ERROR] > Synthesis failed
2020-06-26 16:20:31,197 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-26 16:20:31,203 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-26 16:20:31,208 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.685s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-27 04:04:55,215 autosynth [ERROR] > Synthesis failed
2020-06-27 04:04:55,215 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-27 04:04:55,220 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-27 04:04:55,224 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 2.208s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-28 06:01:08,751 autosynth [ERROR] > Synthesis failed
2020-06-28 06:01:08,751 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-28 06:01:08,757 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-28 06:01:08,762 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.627s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-28 16:58:08,594 autosynth [ERROR] > Synthesis failed
2020-06-28 16:58:08,594 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-28 16:58:08,600 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-28 16:58:08,605 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.826s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-29 17:56:40,121 autosynth [ERROR] > Synthesis failed
2020-06-29 17:56:40,121 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-29 17:56:40,128 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-29 17:56:40,135 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.655s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-30 04:11:03,538 autosynth [ERROR] > Synthesis failed
2020-06-30 04:11:03,538 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-30 04:11:03,543 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-30 04:11:03,549 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.727s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-06-30 17:42:45,549 autosynth [ERROR] > Synthesis failed
2020-06-30 17:42:45,550 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-06-30 17:42:45,556 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-06-30 17:42:45,560 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
 indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7f54b63c893346cdb8398005a88ed5a169dedb1c3264cd47827255c52f6638af"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.626s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-07-01 03:57:18,773 autosynth [ERROR] > Synthesis failed
2020-07-01 03:57:18,773 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at c54859b build(deps): update dependency com.google.cloud:google-cloud-shared-config to v0.9.0 (#17)
2020-07-01 03:57:18,780 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-07-01 03:57:18,786 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7bcbe8d2a1c0dc9778a84768883a73e16e091aba53381d6da0a1a7d8c3f7a918"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.667s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-07-02 04:17:40,551 autosynth [ERROR] > Synthesis failed
2020-07-02 04:17:40,552 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at 13767ef deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 (#18)
2020-07-02 04:17:40,559 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-07-02 04:17:40,566 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7bcbe8d2a1c0dc9778a84768883a73e16e091aba53381d6da0a1a7d8c3f7a918"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.775s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-07-02 17:06:22,515 autosynth [ERROR] > Synthesis failed
2020-07-02 17:06:22,516 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at 13767ef deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 (#18)
2020-07-02 17:06:22,520 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-07-02 17:06:22,525 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7bcbe8d2a1c0dc9778a84768883a73e16e091aba53381d6da0a1a7d8c3f7a918"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.587s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-07-03 04:03:36,468 autosynth [ERROR] > Synthesis failed
2020-07-03 04:03:36,468 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at 13767ef deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 (#18)
2020-07-03 04:03:36,473 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-07-03 04:03:36,477 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main
    commit_count = synthesize_loop(x, multiple_prs, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 375, in synthesize_loop
    synthesize_loop_single_pr(toolbox, change_pusher, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 401, in synthesize_loop_single_pr
    synthesize_inner_loop(toolbox, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

Google internal developers can see the full log here.

Autosynth is still having trouble generating java-iam. :sob:
Here's the output from running synth.py:
' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "4f0ad3557539a3d6edfad1693a92bd21acd3a6c3d610faa4714d64ad1d0a8072"
DEBUG: Call stack for the definition of repository 'com_github_grpc_grpc' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:113:1
DEBUG: Rule 'com_google_api_gax_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "ccd7b629d26cfa51a12dbcb061264e2418ee9c7a29a018123d603394d4914e5d"
DEBUG: Call stack for the definition of repository 'com_google_api_gax_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:145:1
DEBUG: Rule 'io_grpc_grpc_java' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "aff70994303c0055697a8ab00d8b30737d055b1ff42006278a5bda075a1dad4b"
DEBUG: Call stack for the definition of repository 'io_grpc_grpc_java' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:122:5
 - /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/com_google_api_gax_java/repositories.bzl:60:5
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:160:1
DEBUG: Rule 'com_google_api_codegen' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "7bcbe8d2a1c0dc9778a84768883a73e16e091aba53381d6da0a1a7d8c3f7a918"
DEBUG: Call stack for the definition of repository 'com_google_api_codegen' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:77:1
DEBUG: Rule 'com_google_protoc_java_resource_names_plugin' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "f7460232b34618bbfdb3336f847de70b9b199d6a5e39cf0d58b9d461191c4908"
DEBUG: Call stack for the definition of repository 'com_google_protoc_java_resource_names_plugin' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:177:1
DEBUG: Rule 'gapic_generator_python' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "dbc740e8d8d18ddd20fd8fdfbcee120b446ef0e92c8b7d84053a65fd8c0154a1"
DEBUG: Call stack for the definition of repository 'gapic_generator_python' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:224:1
DEBUG: Rule 'gapic_generator_typescript' indicated that a canonical reproducible form can be obtained by modifying arguments sha256 = "67e6e8323386c68a6d26a665394b85cf420d519941bcd12844316a69b229d11a"
DEBUG: Call stack for the definition of repository 'gapic_generator_typescript' which is a http_archive (rule definition at /home/kbuilder/.cache/bazel/_bazel_kbuilder/a732f932c2cbeb7e37e1543f189a2a73/external/bazel_tools/tools/build_defs/repo/http.bzl:296:16):
 - <builtin>
 - /home/kbuilder/.cache/synthtool/googleapis/WORKSPACE:280:1
ERROR: Skipping '//google/iam/v1:google-iam-v1-java': no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
WARNING: Target pattern parsing failed.
ERROR: no such target '//google/iam/v1:google-iam-v1-java': target 'google-iam-v1-java' not declared in package 'google/iam/v1' defined by /home/kbuilder/.cache/synthtool/googleapis/google/iam/v1/BUILD.bazel
INFO: Elapsed time: 1.608s
INFO: 0 processes.

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/github/synthtool/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/__main__.py", line 94, in main
    spec.loader.exec_module(synth_module)  # type: ignore
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/kbuilder/.cache/synthtool/java-iam/synth.py", line 31, in <module>
    bazel_target=f'//google/iam/{version}:google-iam-{version}-java',
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 61, in java_library
    return self._generate_code(service, version, "java", **kwargs)
  File "/tmpfs/src/github/synthtool/synthtool/gcp/gapic_bazel.py", line 180, in _generate_code
    shell.run(bazel_run_args)
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 39, in run
    raise exc
  File "/tmpfs/src/github/synthtool/synthtool/shell.py", line 33, in run
    encoding="utf-8",
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['bazel', '--max_idle_secs=60', 'build', '//google/iam/v1:google-iam-v1-java']' returned non-zero exit status 1.
2020-07-03 17:04:29,960 autosynth [ERROR] > Synthesis failed
2020-07-03 17:04:29,960 autosynth [DEBUG] > Running: git reset --hard HEAD
HEAD is now at 13767ef deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 (#18)
2020-07-03 17:04:29,966 autosynth [DEBUG] > Running: git checkout autosynth
Switched to branch 'autosynth'
2020-07-03 17:04:29,972 autosynth [DEBUG] > Running: git clean -fdx
Removing __pycache__/
Traceback (most recent call last):
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 367, in synthesize_loop
    synthesize_inner_loop(fork, synthesizer)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 411, in synthesize_inner_loop
    synthesizer, len(toolbox.versions) - 1
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 266, in synthesize_version_in_new_branch
    synthesizer.synthesize(synth_log_path, self.environ)
  File "/tmpfs/src/github/synthtool/autosynth/synthesizer.py", line 120, in synthesize
    synth_proc.check_returncode()  # Raise an exception.
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/subprocess.py", line 389, in check_returncode
    self.stderr)
subprocess.CalledProcessError: Command '['/tmpfs/src/github/synthtool/env/bin/python3', '-m', 'synthtool', '--metadata', 'synth.metadata', 'synth.py', '--']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.9/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 657, in <module>
    main()
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 506, in main
    return _inner_main(temp_dir)
  File "/tmpfs/src/github/synthtool/autosynth/synth.py", line 637, in _inner_main