I've just spent a few hours trying to figure out what's wrong with the cache in my GitLab CI job, running locally.
The short answer is: nothing. There is a difference between running a CI job via
git push to GitLab, and running it locally with
When run locally with
exec, the cache implementation isn't being mounted to my container as
You can work around this by passing this as an extra command-line argument:
sudo gitlab-runner exec docker --docker-volumes "/var/cache:/cache" test
This does mean that you now have two caches: whatever the GitLab CI pipeline uses when it normally runs, and the one you use manually on the command line.