Build failed. - build-openstack-sphinx-docs https://zuul.opendev.org/t/openstack/build/569709322be54304a8db368da7550e87 : RETRY_LIMIT in 4m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5f59e25063b645eba71e72506b9501f3 : FAILURE in 4m 21s