<type 'exceptions.TypeError'>: 'NoneType' object does not support item assignment

/usr/lib/python2.5/site-packages/twisted/internet/defer.py, line 317 in _runCallbacks
315        kw = kw or {}
316        try:
317          self.result = callback(self.result, *args, **kw)
318          if isinstance(self.result, Deferred):
Self
result
twisted.python.failure.Failure instance @ 0x8a228cc <twisted.python.failure.Failure <type 'exceptions.TypeError'>>
Locals
kw
Dictionary instance @ 0x949c57c
callback
function <lambda> in file /usr/lib/python2.5/site-packages/buildbot/process/buildstep.py at line 934
self
twisted.internet.defer.Deferred instance @ 0x8b98f4c <Deferred at 0x8b98f4c current result: <twisted.python.failure.Failure <type 'exceptions.TypeError'>>>
args()
Globals
Deferred<class twisted.internet.defer.Deferred at 0xb7a0daac>
/usr/lib/python2.5/site-packages/buildbot/process/buildstep.py, line 934 in
932
933    d = self.runCommand(cmd) # might raise ConnectionLost
934    d.addCallback(lambda res: self.commandComplete(cmd))
935    d.addCallback(lambda res: self.createSummary(cmd.logs['stdio']))
Locals
res
buildbot.process.buildstep.RemoteShellCommand instance @ 0x925ff4c <RemoteShellCommand '['bash', 'admin/runtests']'>
self
__builtin__.RubyTest instance @ 0x926776c <__builtin__.RubyTest instance at 0x926776c>
cmd
buildbot.process.buildstep.RemoteShellCommand instance @ 0x925ff4c <RemoteShellCommand '['bash', 'admin/runtests']'>
/var/lib/buildbot/ruby-openid/master/master.cfg, line 96 in commandComplete
94    warnings = self.warning_re.findall(output)
95    if warnings:
96      self.testunit_results['ruby_warnings'] = warnings
97
Locals
warnings
List instance @ 0x948c02c
"warning: `*' interpreted as argument prefix\r"
output"/home/buildslave/ruby-1.9/lib/ruby/1.9.0/net/https.rb:127: warning: `*' interpreted as argument prefix\r\nLoaded suite .\r\nStarted\r\n......................"
self
__builtin__.RubyTest instance @ 0x926776c <__builtin__.RubyTest instance at 0x926776c>

<type 'exceptions.TypeError'>: 'NoneType' object does not support item assignment