After almost an hour an a half, a Windows build failed with this exception:
remoteFailed: [Failure instance: Traceback: <type 'exceptions.AttributeError'>: ChunkConsumer instance has no attribute 'producing'
/srv/bb-master/Projects/Twisted/trunk/twisted/spread/pb.py:514:expressionReceived
/srv/bb-master/Projects/Twisted/trunk/twisted/spread/pb.py:826:proto_message
/srv/bb-master/Projects/Twisted/trunk/twisted/spread/pb.py:840:_recvMessage
/srv/bb-master/Projects/Twisted/trunk/twisted/spread/flavors.py:114:remoteMessageReceived
--- <exception caught here> ---
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/process/buildstep.py:162:remote_update
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/process/buildstep.py:343:remoteUpdate
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/process/buildstep.py:315:addStdout
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/status/builder.py:487:addStdout
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/status/builder.py:483:addEntry
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/status/builder.py:192:logChunk
/srv/bb-master/.local/lib/python2.5/site-packages/buildbot-0.8.2-py2.5.egg/buildbot/status/web/logs.py:31:writeChunk
]
Logs at http://buildbot.twistedmatrix.com/builders/windows7-64-py2.7/builds/1637
I suspect this is some sort of race condition. We'll see if it show up again with the new version of buildbot.