this derivation will be built:
  /nix/store/4b2cw5a2s3mc8g88fhv9z4ljd3znfyfa-treefmt-check.drv
building '/nix/store/4b2cw5a2s3mc8g88fhv9z4ljd3znfyfa-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 929 files
treefmt-check> emitted 233 files for processing
treefmt-check> formatted 233 files (0 changed) in 575ms