this derivation will be built:
  /nix/store/2s963bd2wh7x4dca9wnxpzm1sz3pr2p9-treefmt-check.drv
building '/nix/store/2s963bd2wh7x4dca9wnxpzm1sz3pr2p9-treefmt-check.drv'
treefmt-check> traversed 540 files
treefmt-check> emitted 367 files for processing
treefmt-check> formatted 367 files (0 changed) in 3.399s

upload niks3: ok