this derivation will be built:
  /nix/store/ki8sz4vp7jkm1z7x8hwr13vd344wjjsz-treefmt-check.drv
bld4: building ki8sz4vp7jkm1z7x8hwr13vd344wjjsz-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 7.784s