this derivation will be built:
  /nix/store/48vcxixcvwhx4sd2c48wszj6c7cl6xhg-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 217 files
treefmt-check> emitted 169 files for processing
treefmt-check> formatted 169 files (0 changed) in 486ms