this derivation will be built:
  /nix/store/fm7v7sq6i6400jn37kwf96ffpcmryrp0-treefmt-check.drv
building '/nix/store/fm7v7sq6i6400jn37kwf96ffpcmryrp0-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 479 files
treefmt-check> emitted 315 files for processing
treefmt-check> formatted 315 files (0 changed) in 680ms