Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/queens/build-openstack-sphinx-docs/6f4cb5a/ : RETRY_LIMIT in 3m 50s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.db/stable/queens/openstack-tox-py27/221445b/ : SUCCESS in 5m 04s