this derivation will be built:
  /nix/store/9fjklijg252f0mwf1lf7h35wqxfvxhlr-treefmt-check.drv
bld3: building 9fjklijg252f0mwf1lf7h35wqxfvxhlr-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 10.11s