Build failed. - build-openstack-sphinx-docs http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/pike/build-openstack-sphinx-docs/75392f5/ : RETRY_LIMIT in 4m 43s - openstack-tox-py27 http://logs.openstack.org/periodic-stable/git.openstack.org/openstack/oslo.cache/stable/pike/openstack-tox-py27/82c2872/ : SUCCESS in 4m 06s