this derivation will be built:
  /nix/store/wkic13h8wg4f1qqdk57ylvy9p9rdpx7j-treefmt-check.drv
building '/nix/store/wkic13h8wg4f1qqdk57ylvy9p9rdpx7j-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 471 files
treefmt-check> emitted 310 files for processing
treefmt-check> formatted 310 files (0 changed) in 862ms