This error message happens because chuchi (the old CI runner) has been disabled. the issue is already fixed on the new repository [1]. It is just awaiting deployment.
Cheers, [1]: https://salsa.debian.org/go-team/infra/pkg-go-tools -- Aloïs Micard <creekor...@debian.org> GPG: DA4A A436 9BFA E299 67CD E85B F733 E871 0859 FCD2