This was problem in the past. Since we use Docker we have fairly good separation of builds. You are not able to fetch someone other source unless you find or us

This was problem in the past. Since we use Docker we have fairly good separation of builds. You are not able to fetch someone other source unless you find or use linux kernel exploit. This will get improved further with upcoming upgrades to shared runners offering: https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/1722 https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/.... Most likely we will run the builds only once on the VM.