Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/queens/build-openstack-sphinx-docs/d5d174c/ : RETRY_LIMIT in 3m 44s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/taskflow/stable/queens/openstack-tox-py27/e463423/ : SUCCESS in 6m 14s