$ /nix/store/rry6qingvsrqmc7ll7jgaqpybcbdgf5v-coreutils-9.7/bin/timeout --kill-after=15s 1800s /nix/store/mycbwkcm1jzjgsaiydvzib9phmzfz9vx-nix-2.31.1/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --extra-substituters https://cache.nix-ci.com --extra-trusted-public-keys nix-ci-staging:Q5+aawDG0LPCgu1fP9e+9hktvsfSyvu/Xe5PvzTLRVs= --netrc-file /tmp/nix-ci-worker-b2c520070889e5f5/nix-ci-cache-d60bb5ca92dd0ae4/netrc --allow-import-from-derivation --print-build-logs flake show git+https://x-access-token:<REDACTED:GITHUB_ACCESS_TOKEN>@github.com/sellout/unison?ref=updating-toolchain&rev=98a4240e51da2067cc1cac7faa748318fa655ded --json --system x86_64-linux --post-build-hook /tmp/nix-ci-worker-b2c520070889e5f5/build-hook-a7181d42f54e1ed7/nix-ci-nix-ci-upload.sh
evaluating ''...
evaluation warning: 'system' has been renamed to/replaced by 'stdenv.hostPlatform.system'
error: Cannot build '/nix/store/fslbwg4qbn6igzwmxgghi2l5nsnxp19l-aarch64-darwin-nix-tools-static.drv'.
       Reason: required system or feature not available
       Required system: 'aarch64-darwin' with features {}
       Current system: 'x86_64-linux' with features {benchmark, big-parallel, kvm, nixos-test}
error: Cannot build '/nix/store/jsvw93hy9pdr1vkmsiy4g0pd5ql6v5ai-nix-tools.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/6a3c0cc00k7b31mzzljkpj2fbak8g78v-nix-tools
error:
       … while evaluating the attribute 'apps'
         at /nix/store/k3zcn5c3a9hkq2xjkmc0l7fr5n43rj2b-source/flake.nix:77:9:
           76|
           77|         apps =
             |         ^
           78|           renameAttrs (name: "component-${name}") haskell-nix-flake.apps

       … in the left operand of the update (//) operator
         at /nix/store/k3zcn5c3a9hkq2xjkmc0l7fr5n43rj2b-source/flake.nix:79:11:
           78|           renameAttrs (name: "component-${name}") haskell-nix-flake.apps
           79|           // {default = self.apps."${system}"."component-unison-cli-main:exe:unison";};
             |           ^
           80|

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

       error: Cannot build '/nix/store/c8flpch0x6nm9mnc182z7cb65bxrs3bw-stack-repos.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/gm6ksf229ksc92a8621q315cii35dm4q-stack-repos