this derivation will be built:
  /nix/store/smxya1qsbgp28x7qqb7h2b2g8835vdy1-treefmt-check.drv
building '/nix/store/smxya1qsbgp28x7qqb7h2b2g8835vdy1-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 6.251s

upload niks3: ok