this derivation will be built:
  /nix/store/8bjl84xq7lmgqlms6h2r9drhz0i0q7d7-treefmt-check.drv
building '/nix/store/8bjl84xq7lmgqlms6h2r9drhz0i0q7d7-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 932 files
treefmt-check> emitted 234 files for processing
treefmt-check> formatted 234 files (0 changed) in 584ms