Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/queens/build-openstack-sphinx-docs/ff3fb2d/ : RETRY_LIMIT in 3m 27s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/queens/openstack-tox-py27/e439f0c/ : SUCCESS in 4m 12s