Gitlab CI Support
These patches makes Arti build on Gitlab CI with rust:latest and rust:nighty, but with the latter being allowed to fail.
GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.
These patches makes Arti build on Gitlab CI with rust:latest and rust:nighty, but with the latter being allowed to fail.