$ /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://sellout.cachix.org --extra-trusted-public-keys sellout.cachix.org-1:v37cTpWBEycnYxSPAgSQ57Wiqd3wjljni2aC0Xry1DE= --netrc-file /tmp/nix-ci-worker-bdb3e0657249b1e3/cachix-897b9e1bfc6a21b4/netrc --extra-substituters ssh-ng://worker.nix-ci.com?ssh-key=/tmp/nix-ci-worker-bdb3e0657249b1e3/ssh-key-ef8d844530570bc9/ssh.key&remote-store=/cache/nix-ci/&base64-ssh-public-host-key=c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSU9EQXdicHlRaVYwb2lyakhxbHIwbitnWDNNVjQwbDBKTmlKdVNDZHdoZ1o= --extra-trusted-public-keys nix-ci-staging:Q5+aawDG0LPCgu1fP9e+9hktvsfSyvu/Xe5PvzTLRVs= --print-build-logs build --no-link git+https://x-access-token:<REDACTED:GITHUB_ACCESS_TOKEN>@github.com/sellout/hall?ref=typed-hpack&rev=6e39814cadeb837ac037220a07de1efe0cd7d0eb#checks.x86_64-linux.formatter --post-build-hook /tmp/nix-ci-worker-bdb3e0657249b1e3/nix-ci-cache-upload.sh
warning: ignoring untrusted flake configuration setting 'extra-experimental-features'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'sandbox'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'use-registries'.
Pass '--accept-flake-config' to trust it
this derivation will be built:
  /nix/store/qzkgfamarbg33q28wcvvr9qym6qn0rbv-treefmt-check.drv
building '/nix/store/qzkgfamarbg33q28wcvvr9qym6qn0rbv-treefmt-check.drv'...
treefmt-check> treefmt v2.3.1traversed 88 files
treefmt-check> emitted 68 files for processing
treefmt-check> formatted 68 files (1 changed) in 157ms
treefmt-check>  M dhall/hpack/Conditional/ifGhcImpl
treefmt-check> diff --git a/dhall/hpack/Conditional/ifGhcImpl b/dhall/hpack/Conditional/ifGhcImpl
treefmt-check> index b2cd1e1..8d43ed9 100644
treefmt-check> --- a/dhall/hpack/Conditional/ifGhcImpl
treefmt-check> +++ b/dhall/hpack/Conditional/ifGhcImpl
treefmt-check> @@ -3,8 +3,6 @@ Generates a conditional expression in Cabal.
treefmt-check>  -}
treefmt-check>  let Pvp = ../../PVP/package.dhall
treefmt-check>  
treefmt-check> -let Conditional = ./Type
treefmt-check> -
treefmt-check>  in  λ(a : Type) →
treefmt-check>      λ(comparator : Text) →
treefmt-check>      λ(ghcVersion : Pvp.Version) →
error: Cannot build '/nix/store/qzkgfamarbg33q28wcvvr9qym6qn0rbv-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/yy7j43pvpdswv5m854vzycz302jbh6hl-treefmt-check