this derivation will be built:
  /nix/store/mi6zvvwz12kv7vv17nx752pgpanghmi7-treefmt-check.drv
bld3: building mi6zvvwz12kv7vv17nx752pgpanghmi7-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 7.822s