this derivation will be built:
  /nix/store/h4zf25s3ksg6vz3nn49i4f2iz4xkyc3v-treefmt-check.drv
building '/nix/store/h4zf25s3ksg6vz3nn49i4f2iz4xkyc3v-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 936 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 580ms