Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/rocky/build-openstack-sphinx-docs/c53b46c/html/ : SUCCESS in 7m 25s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/rocky/openstack-tox-py27/a6e32ee/ : RETRY_LIMIT in 3m 12s