Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/queens/build-openstack-sphinx-docs/f65c5f3/html/ : SUCCESS in 5m 47s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/opendev.org/openstack/heat/stable/queens/openstack-tox-py27/354c9a6/ : RETRY_LIMIT in 4m 17s