Traceback (most recent call last):
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 421, in errback
    self._startRunCallbacks(fail)
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 488, in _startRunCallbacks
    self._runCallbacks()
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 575, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 1126, in gotResult
    _inlineCallbacks(r, g, deferred)
--- <exception caught here> ---
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 1068, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/opt/csw/lib/python2.7/site-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/opt/csw/lib/python2.7/site-packages/buildbot/steps/source/git.py", line 205, in full
    yield self.fresh()
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 1068, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/opt/csw/lib/python2.7/site-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/opt/csw/lib/python2.7/site-packages/buildbot/steps/source/git.py", line 249, in fresh
    yield self._doClobber()
  File "/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py", line 1068, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/opt/csw/lib/python2.7/site-packages/twisted/spread/pb.py", line 470, in throwExceptionIntoGenerator
    return g.throw(RemoteError(self.type, self.value, self.traceback))
  File "/opt/csw/lib/python2.7/site-packages/buildbot/process/buildstep.py", line 578, in runCommand
    res = yield command.run(self, self.remote)
twisted.spread.pb.RemoteError: SIGKILL failed to kill process