- 2013-09-28 03:18:41+0000 [-] while polling for changes
 - Traceback (most recent call last):
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 380, in callback
 - self._startRunCallbacks(result)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 488, in _startRunCallbacks
 - self._runCallbacks()
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 575, in _runCallbacks
 - current.result = callback(current.result, *args, **kw)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1126, in gotResult
 - _inlineCallbacks(r, g, deferred)
 - --- <exception caught here> ---
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1068, in _inlineCallbacks
 - result = result.throwExceptionIntoGenerator(g)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
 - return g.throw(self.type, self.value, self.tb)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/buildbot/changes/gitpoller.py", line 109, in poll
 - [self.repourl] + refspecs, path=self.workdir)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 575, in _runCallbacks
 - current.result = callback(current.result, *args, **kw)
 - File "/home/builder/.virtualenvs/buildbot/local/lib/python2.7/site-packages/buildbot/changes/gitpoller.py", line 238, in _convert_nonzero_to_failure
 - % (code, stderr))
 - exceptions.EnvironmentError: command failed with exit code 128: fatal: The remote end hung up unexpectedly