this derivation will be built:
  /nix/store/8llcs0aw9490m76p9qnki7b9xw3kyms4-treefmt-check.drv
building '/nix/store/8llcs0aw9490m76p9qnki7b9xw3kyms4-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 928 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 617ms