this derivation will be built:
  /nix/store/kp6jsjrx4vqsik6bhnnj5pnwp0wh1y3g-treefmt-check.drv
building '/nix/store/kp6jsjrx4vqsik6bhnnj5pnwp0wh1y3g-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 14.781s

upload niks3: ok