Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/pike/build-openstack-sphinx-docs/9f2f7ee/ : FAILURE in 4m 04s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/pike/openstack-tox-py27/bd7b06e/ : SUCCESS in 5m 10s