$ /nix/store/61685rbaxmpigwi3z23i33sv3jyfl70q-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/autodocodec?ref=master&rev=0019aa11b9a2887bd9d603e30bed3e8caa701c8a --system x86_64-linux
fatal: unable to access 'https://gitlab.horizon-haskell.net/nix/ghc-common-hadrian/': The requested URL returned error: 504
{"attrPath":["checks","x86_64-linux","forwardCompatibility"],"error":"error:\n       … while evaluating the attribute 'horizon-advance.result'\n         at «flakes-internal»/call-flake.nix:94:7:\n           93|     {\n           94|       result =\n             |       ^\n           95|         if node.flake or true then\n\n       … in the left operand of the update (//) operator\n         at «flakes-internal»/call-flake.nix:75:9:\n           74|       result =\n           75|         outputs\n             |         ^\n           76|         # We add the sourceInfo attribute for its metadata, as they are\n\n       (stack trace truncated; use '--show-trace' to show the full, detailed trace)\n\n       error: Failed to fetch git repository 'https://gitlab.horizon-haskell.net/nix/ghc-common-hadrian'","type":"error"}

Attribute checks.x86_64-linux.forwardCompatibility failed to evaluate:
error:
       … while evaluating the attribute 'horizon-advance.result'
         at «flakes-internal»/call-flake.nix:94:7:
           93|     {
           94|       result =
             |       ^
           95|         if node.flake or true then

       … in the left operand of the update (//) operator
         at «flakes-internal»/call-flake.nix:75:9:
           74|       result =
           75|         outputs
             |         ^
           76|         # We add the sourceInfo attribute for its metadata, as they are

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Failed to fetch git repository 'https://gitlab.horizon-haskell.net/nix/ghc-common-hadrian'
Job discovery failed.