[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/12f85a2feb9b48a487a9cd8f8d0509... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e75ea62696814403ab594f7a04b77a9b : TIMED_OUT in 30m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/c0873350c5644801b79052f6be061682 : SUCCESS in 2m 53s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/529a53d673a14ea89a2ffbe4bc7538ae : TIMED_OUT in 40m 42s