this derivation will be built:
  /nix/store/9n0w8qs4vs011mik1wzwn7dszhyshjwq-treefmt-check.drv
building '/nix/store/9n0w8qs4vs011mik1wzwn7dszhyshjwq-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 574ms