gistfile1.txt

          File "/home/buildbot/buildbot/venv/local/lib/python2.7/site-packages/buildbot/steps/source/git.py", line 185, in full
            yield self.copy()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
            result = result.throwExceptionIntoGenerator(g)
          File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
            return g.throw(self.type, self.value, self.tb)
          File "/home/buildbot/buildbot/venv/local/lib/python2.7/site-packages/buildbot/steps/source/git.py", line 204, in incremental
            action = yield self._sourcedirIsUpdatable()
          File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
            current.result = callback(current.result, *args, **kw)
          File "/home/buildbot/buildbot/venv/local/lib/python2.7/site-packages/buildbot/steps/source/git.py", line 594, in checkWithListdir
            files = cmd.updates['files'][0]
        exceptions.KeyError: 'files'