Cloning into 'working_repo'...
Switched to branch 'autosynth'
Running synthtool
['/tmpfs/src/git/autosynth/env/bin/python3', '-m', 'synthtool', 'synth.py', '--']
synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
On branch autosynth
nothing to commit, working tree clean
HEAD detached at FETCH_HEAD
nothing to commit, working tree clean
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:6aec9c34db0e4be221cdaf6faba27bdc07cfea846808b3d3b964dfce3a9a0f9b
Status: Image is up to date for googleapis/artman:latest
synthtool > Wrote metadata to synth.metadata.
Traceback (most recent call last):
  File "/home/kbuilder/.pyenv/versions/3.6.1/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/home/kbuilder/.pyenv/versions/3.6.1/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/synthtool/__main__.py", line 102, in <module>
    main()
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/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 205, in _call_with_frames_removed
  File "/tmpfs/src/git/autosynth/working_repo/synth.py", line 24, in <module>
    templates = common_templates.java_library()
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/synthtool/gcp/common.py", line 75, in java_library
    return self._generic_library("java_library", **kwargs)
  File "/tmpfs/src/git/autosynth/env/lib/python3.6/site-packages/synthtool/gcp/common.py", line 43, in _generic_library
    if not kwargs["metadata"]["samples"]:
KeyError: 'samples'

Synthesis failed