this derivation will be built:
  /nix/store/nd3v9pbx7jj4f0hn3f4rsgisd667n4kq-treefmt-check.drv
bld4: building nd3v9pbx7jj4f0hn3f4rsgisd667n4kq-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 8.237s