[GitLab] Unable to get the output even with perfect URL

[nihalxkumar]

Because of the #438 issue I had to import the repository from the source(organization/project/subproject) to my account (username/repo)

Url: https://gitlab.com/nihalxkumar/aarti

Error: Please check that your repository exists and is public. Valid formats are

[mvanhorn]

Related fix posted as #522 (preserves the full path in the repo cache key so subgroup URLs don't collide). Tracking your specific reproduction as a follow-up in the PR body.