this derivation will be built:
  /nix/store/5l8h5jdq2744xmy2d3jc66dgr60zqikl-treefmt-check.drv
building '/nix/store/5l8h5jdq2744xmy2d3jc66dgr60zqikl-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 67 files
treefmt-check> emitted 44 files for processing
treefmt-check> formatted 44 files (0 changed) in 111ms