Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.service/stable/ocata/build-openstack-sphinx-docs/2713123/ : RETRY_LIMIT in 2m 53s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.service/stable/ocata/openstack-tox-py27/f2fd967/ : SUCCESS in 5m 21s