this derivation will be built:
  /nix/store/6nvn39h3mrrkgk6wqiks3jm6126qbi0q-treefmt-check.drv
building '/nix/store/6nvn39h3mrrkgk6wqiks3jm6126qbi0q-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 930 files
treefmt-check> emitted 231 files for processing
treefmt-check> formatted 231 files (0 changed) in 570ms