Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/pike/build-openstack-sphinx-docs/92c2861/ : RETRY_LIMIT in 3m 11s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/pike/openstack-tox-py27/ccc777a/ : SUCCESS in 7m 23s