$ /nix/store/bhv6xyvqw6gjs3j488gi1z6wdv18bdpa-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/6f7ai6jmdrlg1r5viixgpysdxa5yg9y9-nix-ci-eval-0.0.0/bin/nix-ci-eval --flake git+https://github.com/NorfairKing/validity?ref=fix-rational-json-roundtrip&rev=456dfd9e4ef7906d33ce70f3f5fdf204a12cce8e --system x86_64-linux
remote: GitLab is not responding
fatal: unable to access 'https://gitlab.horizon-haskell.net/package-sets/horizon-advance.git/': The requested URL returned error: 502
nix-ci-eval: failed to evaluate flake: error:
       … while updating the lock file of flake 'git+https://github.com/NorfairKing/validity?ref=fix-rational-json-roundtrip&rev=456dfd9e4ef7906d33ce70f3f5fdf204a12cce8e&shallow=1'

       … while updating the flake input 'horizon-advance'

       … while fetching the input 'git+https://gitlab.horizon-haskell.net/package-sets/horizon-advance.git?ref=refs/heads/lts/ghc-9.12.x&rev=bdd9fa1756a56e90feef395afa71d1fa0ff317af'

       error: Failed to fetch git repository 'https://gitlab.horizon-haskell.net/package-sets/horizon-advance.git'
Job discovery failed.