Last CQ run betty-paladin failed to patch in CLs:

https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8924250482472607568


08:36:32: INFO: Attempting to apply change chromiumos/overlays/chromiumos-overlay:refs/changes/22/1409822/1:ce95aa7a "Revert "bluetooth: Install newblued upstart script""

08:36:32: ERROR: <class 'chromite.lib.cros_build_lib.RunCommandError'>: return code: 128; command: git checkout -b patch_branch -t refs/remotes/cros/master
fatal: 'refs/remotes/cros/master' is not a commit and a branch 'patch_branch' cannot be created from it

cmd=['git', 'checkout', '-b', 'patch_branch', '-t', u'refs/remotes/cros/master'], cwd=/b/swarming/w/ir/cache/cbuild/repository/src/third_party/chromiumos-overlay
Traceback (most recent call last):
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/lib/failures_lib.py", line 230, in wrapped_functor
    return functor(*args, **kwargs)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/cbuildbot/stages/sync_stages.py", line 789, in PerformStage
    self.ManifestCheckout(new_manifest)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/cbuildbot/stages/sync_stages.py", line 1119, in ManifestCheckout
    self.pool.ApplyPoolIntoRepo()
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/cbuildbot/validation_pool.py", line 870, in ApplyPoolIntoRepo
    self.applied_patches.ApplyChange(change, manifest=manifest)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/cbuildbot/patch_series.py", line 305, in f
    return functor(self, *args, **kwargs)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/cbuildbot/patch_series.py", line 341, in ApplyChange
    return change.ApplyAgainstManifest(self.manifest, trivial=False)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/lib/patch.py", line 1293, in ApplyAgainstManifest
    trivial=trivial)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/lib/patch.py", line 1165, in Apply
    ['checkout', '-b', constants.PATCH_BRANCH, '-t', upstream])
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/lib/git.py", line 785, in RunGit
    return cros_build_lib.RunCommand(['git'] + cmd, **kwargs)
  File "/b/swarming/w/ir/cache/cbuild/repository/chromite/lib/cros_build_lib.py", line 646, in RunCommand
    raise RunCommandError(msg, cmd_result)
RunCommandError: return code: 128; command: git checkout -b patch_branch -t refs/remotes/cros/master
fatal: 'refs/remotes/cros/master' is not a commit and a branch 'patch_branch' cannot be created from it