this derivation will be built:
  /nix/store/pa2q4rcqhrlybm7ai5ga9xx7y5axk10p-treefmt-check.drv
building '/nix/store/pa2q4rcqhrlybm7ai5ga9xx7y5axk10p-treefmt-check.drv'
treefmt-check> traversed 543 files
treefmt-check> emitted 369 files for processing
treefmt-check> formatted 369 files (0 changed) in 13.617s

upload niks3: ok