I intended on pasting the logs here for historical reasons and failed. Here they are:

2015-04-22 15:27:20.570 | Captured stderr:
2015-04-22 15:27:20.570 | ~~~~~~~~~~~~~~~~
2015-04-22 15:27:20.571 |     Traceback (most recent call last):
2015-04-22 15:27:20.571 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 457, in fire_timers
2015-04-22 15:27:20.571 |         timer()
2015-04-22 15:27:20.571 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/eventlet/hubs/timer.py", line 58, in __call__
2015-04-22 15:27:20.571 |         cb(*args, **kw)
2015-04-22 15:27:20.571 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/eventlet/greenthread.py", line 214, in main
2015-04-22 15:27:20.571 |         result = function(*args, **kwargs)
2015-04-22 15:27:20.571 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.571 |         return f(*args, **kwargs)
2015-04-22 15:27:20.571 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.572 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.572 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.572 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.572 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.572 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.572 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.573 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.573 |         return f(*args, **kwargs)
2015-04-22 15:27:20.574 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.574 |         return f(*args, **kwargs)
2015-04-22 15:27:20.574 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.574 |         return f(*args, **kwargs)
2015-04-22 15:27:20.574 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.574 |         return f(*args, **kwargs)
2015-04-22 15:27:20.574 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.574 |         return f(*args, **kwargs)
2015-04-22 15:27:20.574 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-22 15:27:20.574 |         return f(*args, **kwargs)
2015-04-22 15:27:20.575 |       File "cinder/volume/manager.py", line 470, in create_volume
2015-04-22 15:27:20.575 |         _run_flow_locked()
2015-04-22 15:27:20.575 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 445, in inner
2015-04-22 15:27:20.575 |         return f(*args, **kwargs)
2015-04-22 15:27:20.575 |       File "cinder/volume/manager.py", line 460, in _run_flow_locked
2015-04-22 15:27:20.575 |         _run_flow()
2015-04-22 15:27:20.575 |       File "cinder/volume/manager.py", line 456, in _run_flow
2015-04-22 15:27:20.575 |         flow_engine.run()
2015-04-22 15:27:20.575 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/taskflow/engines/action_engine/engine.py", line 96, in run
2015-04-22 15:27:20.576 |         for _state in self.run_iter():
2015-04-22 15:27:20.576 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/taskflow/engines/action_engine/engine.py", line 153, in run_iter
2015-04-22 15:27:20.576 |         failure.Failure.reraise_if_any(failures.values())
2015-04-22 15:27:20.576 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/taskflow/types/failure.py", line 244, in reraise_if_any
2015-04-22 15:27:20.576 |         failures[0].reraise()
2015-04-22 15:27:20.576 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/taskflow/types/failure.py", line 251, in reraise
2015-04-22 15:27:20.576 |         six.reraise(*self._exc_info)
2015-04-22 15:27:20.576 |       File "/home/jenkins/workspace/gate-cinder-python27/.tox/py27/local/lib/python2.7/site-packages/taskflow/engines/action_engine/executor.py", line 67, in _execute_task
2015-04-22 15:27:20.576 |         result = task.execute(**arguments)
2015-04-22 15:27:20.576 |       File "cinder/volume/flows/manager/create_volume.py", line 643, in execute
2015-04-22 15:27:20.576 |         **volume_spec)
2015-04-22 15:27:20.577 |       File "cinder/volume/flows/manager/create_volume.py", line 419, in _create_from_snapshot
2015-04-22 15:27:20.577 |         snapshot = objects.Snapshot.get_by_id(context, snapshot_id)
2015-04-22 15:27:20.577 |       File "cinder/objects/base.py", line 157, in wrapper
2015-04-22 15:27:20.577 |         result = fn(cls, context, *args, **kwargs)
2015-04-22 15:27:20.577 |       File "cinder/objects/snapshot.py", line 127, in get_by_id
2015-04-22 15:27:20.577 |         db_snapshot = db.snapshot_get(context, id)
2015-04-22 15:27:20.577 |       File "cinder/db/api.py", line 285, in snapshot_get
2015-04-22 15:27:20.577 |         return IMPL.snapshot_get(context, snapshot_id)
2015-04-22 15:27:20.577 |       File "cinder/db/sqlalchemy/api.py", line 181, in wrapper
2015-04-22 15:27:20.577 |         return f(*args, **kwargs)
2015-04-22 15:27:20.578 |       File "cinder/db/sqlalchemy/api.py", line 1953, in snapshot_get
2015-04-22 15:27:20.578 |         return _snapshot_get(context, snapshot_id)
2015-04-22 15:27:20.578 |       File "cinder/db/sqlalchemy/api.py", line 181, in wrapper
2015-04-22 15:27:20.578 |         return f(*args, **kwargs)
2015-04-22 15:27:20.578 |       File "cinder/db/sqlalchemy/api.py", line 1946, in _snapshot_get
2015-04-22 15:27:20.578 |         raise exception.SnapshotNotFound(snapshot_id=snapshot_id)
2015-04-22 15:27:20.578 |     SnapshotNotFound: Snapshot 5010a4a2-c907-4d9a-8a33-a1c3c1df848c could not be found.
2015-04-22 15:27:20.578 |