this derivation will be built:
  /nix/store/aqvwgq57vp4yscqhch1cxrf7a7x1bvlm-treefmt-check.drv
bld4: building aqvwgq57vp4yscqhch1cxrf7a7x1bvlm-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 5.485s