Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/a77c84835ac44cf7b3684c4e341e78ad : RETRY_LIMIT in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6faf941b7b694f92abcf16fee189a486 : FAILURE in 4m 01s