Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/ocata/build-openstack-sphinx-docs/a4c8ceb/ : RETRY_LIMIT in 3m 30s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/ocata/openstack-tox-py27/dd35e8d/ : SUCCESS in 4m 22s