this derivation will be built:
  /nix/store/642j6hbs0kg16jmzn5rrgkmhc2wwwh35-treefmt-check.drv
building '/nix/store/642j6hbs0kg16jmzn5rrgkmhc2wwwh35-treefmt-check.drv'
treefmt-check> traversed 531 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 2.55s

upload niks3: ok