this derivation will be built:
  /nix/store/a8jp5i2gs98bc3wqv68wmgijv4mi9zg2-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 226 files
treefmt-check> emitted 177 files for processing
treefmt-check> formatted 177 files (0 changed) in 1.495s