Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/ocata/build-openstack-sphinx-docs/60fbdb0/ : RETRY_LIMIT in 2m 57s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/ocata/openstack-tox-py27/05b950a/ : SUCCESS in 4m 14s