this derivation will be built:
  /nix/store/iih9zamnzdbisg8k6rxy9kb0r30ldwkj-treefmt-check.drv
building '/nix/store/iih9zamnzdbisg8k6rxy9kb0r30ldwkj-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 122ms