this derivation will be built:
  /nix/store/v82jjq08h080ya1863zzrp525149fh3q-treefmt-check.drv
bld4: building v82jjq08h080ya1863zzrp525149fh3q-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 12.749s