this derivation will be built:
  /nix/store/v3hkh2knkmvgjcp5m9kg5v9ljlr6rh8p-treefmt-check.drv
building '/nix/store/v3hkh2knkmvgjcp5m9kg5v9ljlr6rh8p-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 8.074s

upload niks3: ok