this derivation will be built:
  /nix/store/pj65ynkskjnci586gyf4063c7nv9avvz-treefmt-check.drv
building '/nix/store/pj65ynkskjnci586gyf4063c7nv9avvz-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 73 files
treefmt-check> emitted 50 files for processing
treefmt-check> formatted 50 files (0 changed) in 132ms