Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/nova/stable/pike/build-openstack-sphinx-docs/f0891f5/ : POST_FAILURE in 35m 50s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/nova/stable/pike/openstack-tox-py27/c0dd9df/ : SUCCESS in 11m 53s