this derivation will be built:
  /nix/store/x1ppc8bckr5lvvf062846parkhw2ngz8-treefmt-check.drv
building '/nix/store/x1ppc8bckr5lvvf062846parkhw2ngz8-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 864 files
treefmt-check> emitted 215 files for processing
treefmt-check> formatted 215 files (0 changed) in 622ms