this derivation will be built:
  /nix/store/g9faqiwifa1mzvnc9pikk8ib7v9470wj-treefmt-check.drv
building '/nix/store/g9faqiwifa1mzvnc9pikk8ib7v9470wj-treefmt-check.drv'
treefmt-check> traversed 557 files
treefmt-check> emitted 375 files for processing
treefmt-check> formatted 375 files (0 changed) in 18.305s

upload niks3: ok