this derivation will be built:
  /nix/store/f5yqah4xssimy8kfajlapx6f3q3qna0d-treefmt-check.drv
building '/nix/store/f5yqah4xssimy8kfajlapx6f3q3qna0d-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 930 files
treefmt-check> emitted 225 files for processing
treefmt-check> formatted 225 files (0 changed) in 655ms