Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.concurrency/stable/queens/build-openstack-sphinx-docs/a488688/html/ : SUCCESS in 6m 21s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.concurrency/stable/queens/openstack-tox-py27/8f73021/ : FAILURE in 4m 14s