this derivation will be built:
  /nix/store/wvzv8b206d6zv6bbckr6llv4c7m0y787-treefmt-check.drv
building '/nix/store/wvzv8b206d6zv6bbckr6llv4c7m0y787-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 937 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 612ms