Version 12.0.1+dfsg-1 of gitlab-ci-multi-runner is marked for autoremoval from testing on Tue 17 Sep 2019. It depends (transitively) on docker.io, affected by #933002. You should try to prevent the removal by fixing these RC bugs.
Last update: 2019-08-22
The package has not entered testing even though the delay is over
The package has not entered testing even though the 5-day delay is over.Check why.