this derivation will be built:
  /nix/store/2a9h1rw9y2fjp4yn1z9ma3dg3h5r548y-treefmt-check.drv
building '/nix/store/2a9h1rw9y2fjp4yn1z9ma3dg3h5r548y-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 18.406s

upload niks3: ok