Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/c4fd0ecfbc7544c0ba1950bdb8c1520c : RETRY_LIMIT in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8bac86fd5778422fb67f940a35193da8 : FAILURE in 4m 40s