Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/build-openstack-sphinx-docs/a615006/ : RETRY_LIMIT in 3m 34s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/castellan/stable/pike/openstack-tox-py27/3a1371e/ : SUCCESS in 4m 49s