this derivation will be built:
  /nix/store/d9a377ayqxa0gm01dg0lrb6z1px608sf-treefmt-check.drv
building '/nix/store/d9a377ayqxa0gm01dg0lrb6z1px608sf-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 72 files
treefmt-check> emitted 49 files for processing
treefmt-check> formatted 49 files (0 changed) in 301ms