Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/ocata/build-openstack-sphinx-docs/02d9284/ : RETRY_LIMIT in 3m 45s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.serialization/stable/ocata/openstack-tox-py27/ce806ce/ : SUCCESS in 5m 09s