Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/56b4ba0ab3804017aa0f6b921d2fd715 : RETRY_LIMIT in 6m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/57160c6eb3f842ddbddb2e4478af47f8 : FAILURE in 3m 52s