Job Failed #74830430 - Error response from daemon: Conflict.

Job #74830430 failed for 94b0563a:

Running with gitlab-runner 10.8.0-rc3 (5470b911)
  on docker-auto-scale 72989761
Using Docker executor with image registry.gitlab.com/gitlab-org/gitlab-runner/ci:1.8.7-0 ...
Pulling docker image registry.gitlab.com/gitlab-org/gitlab-runner/ci:1.8.7-0 ...
Using docker image sha256:e04a22ede88d35b514bbdc50de3a5aad24756703c4df5a6ca8d114eff85b82a5 for registry.gitlab.com/gitlab-org/gitlab-runner/ci:1.8.7-0 ...
ERROR: Job failed (system failure): Error response from daemon: Conflict. The name "/runner-72989761-project-250833-concurrent-0-predefined-0" is already in use by container be8ebd81d2dff60a1b8589e705202b4143d22068e690ec06516bc838f8d8ee27. You have to remove (or rename) that container to be able to reuse that name.

/cc @ayufan @tmaczukin