this derivation will be built:
  /nix/store/l7kva5gscz9l5j63yd9v59f6pdp4kgbz-treefmt-check.drv
building '/nix/store/l7kva5gscz9l5j63yd9v59f6pdp4kgbz-treefmt-check.drv'
treefmt-check> traversed 519 files
treefmt-check> emitted 355 files for processing
treefmt-check> formatted 355 files (0 changed) in 21.534s

upload niks3: ok