Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/queens/build-openstack-sphinx-docs/792b36c/ : RETRY_LIMIT in 3m 34s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/queens/openstack-tox-py27/54637fc/ : SUCCESS in 5m 50s