$ timeout --kill-after=15s 1800s nix --extra-experimental-features nix-command --extra-experimental-features flakes --extra-substituters ssh-ng://worker.nix-ci.com?ssh-key=/tmp/nix-ci-worker-f4b7f8735d13bf4a/ssh-key-1fa4c49a44fd794f/ssh.key&remote-store=/cache/nix-ci/&base64-ssh-public-host-key=c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSU9EQXdicHlRaVYwb2lyakhxbHIwbitnWDNNVjQwbDBKTmlKdVNDZHdoZ1o= --extra-trusted-public-keys nix-ci-staging:Q5+aawDG0LPCgu1fP9e+9hktvsfSyvu/Xe5PvzTLRVs= --allow-import-from-derivation --print-build-logs flake show git+https://x-access-token:<REDACTED:GITHUB_ACCESS_TOKEN>@github.com/sellout/kilns-haskell?ref=renovate%2Flock-file-maintenance&rev=62acf04ba07c0786d7f01c167420323e36ed3fd2 --json --system x86_64-linux --post-build-hook /tmp/nix-ci-worker-f4b7f8735d13bf4a/build-hook-afd8646528b7d0b0/nix-ci-cache-upload.sh
evaluating ''...
error:
       … while evaluating the attribute 'root.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:81:9:
           80|         # This is shadowed in the next //
           81|         // sourceInfo
             |         ^
           82|         // {

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

       error: attribute 'defaultSystems' missing
       at /nix/store/yq13y1lvkbwv5hrchgrpfmms7jw6k41y-source/flake.nix:41:24:
           40|
           41|     supportedSystems = flaky.lib.defaultSystems;
             |                        ^
           42|