Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/77c156af40d04333bb047947212baba7 : RETRY_LIMIT in 6m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0920fe17531646bd8d22e55c4726d53c : FAILURE in 3m 44s