Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/ocata/build-openstack-sphinx-docs/ea938ef/html/ : SUCCESS in 9m 30s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/ocata/openstack-tox-py27/8abe1af/ : RETRY_LIMIT in 2m 15s