Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/ceilometer/stable/pike/build-openstack-sphinx-docs/7d2425a/html/ : SUCCESS in 6m 10s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/ceilometer/stable/pike/openstack-tox-py27/d471557/ : FAILURE in 6m 15s