this derivation will be built:
  /nix/store/5rba14y58y7ilhrrn6njz481nk2xhnpy-treefmt-check.drv
building '/nix/store/5rba14y58y7ilhrrn6njz481nk2xhnpy-treefmt-check.drv'
treefmt-check> traversed 521 files
treefmt-check> emitted 357 files for processing
treefmt-check> formatted 357 files (0 changed) in 2.589s

upload niks3: ok