this derivation will be built:
  /nix/store/4843mzwcnm2s8y9rvf5bjr382rllrgcg-treefmt-check.drv
building '/nix/store/4843mzwcnm2s8y9rvf5bjr382rllrgcg-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 944 files
treefmt-check> emitted 239 files for processing
treefmt-check> formatted 239 files (0 changed) in 632ms