Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.concurrency/stable/pike/build-openstack-sphinx-docs/8276c76/ : RETRY_LIMIT in 3m 37s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.concurrency/stable/pike/openstack-tox-py27/d1595c2/ : SUCCESS in 6m 42s