buildbot/buildbot — pull request #270 by jhford (2011-10-19 15:15:58+00:00)
Title: More useful error message for unknown builders

The error message for unknown builders on a schedule is not as helpful as it could be. This pull request prints the scheduler name in addition to its class and address as well as printing all builders on the scheduler that are unknown

The new format would be
AssertionError: (jaegermonkey) uses unknown builders: unknown-builder1, unknown-builder2