Build failed. https://zuul.opendev.org/t/openstack/buildset/7143c1189b2546e785f259f66823109f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2ed053621cf74519889be4d74eabf3d6 : SUCCESS in 5m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/02c8b81594324fc9bf6938bb87c81541 : RETRY_LIMIT in 3s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/268669319df84d87a869531b82984f32 : RETRY_LIMIT in 3s