this derivation will be built:
  /nix/store/sb51vl878fwr0gpvslzhd7bf76w7vq6r-treefmt-check.drv
building '/nix/store/sb51vl878fwr0gpvslzhd7bf76w7vq6r-treefmt-check.drv'
treefmt-check> traversed 544 files
treefmt-check> emitted 369 files for processing
treefmt-check> formatted 369 files (0 changed) in 2.922s

upload niks3: ok