Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/ocata/build-openstack-sphinx-docs/a4e6791/ : RETRY_LIMIT in 3m 30s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/ocata/openstack-tox-py27/1253c39/ : SUCCESS in 4m 16s