[Openstack-stable-maint] Stable check of openstack/oslo.cache for ref refs/heads/stable/wallaby failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/3986fa3d334c4a65ba3a001a6b7a3d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b3d6506c3f324dca9afa5000ccd49fba : TIMED_OUT in 30m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4b4b3a74db074e8885d51ff69e14e1cd : SUCCESS in 4m 15s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/18b2eb392a454779ac30ce8a7320c8bb : TIMED_OUT in 40m 49s