this derivation will be built:
  /nix/store/4ig20pwgvfmz3jzy7iw8sgqlxy1c0i17-treefmt-check.drv
building '/nix/store/4ig20pwgvfmz3jzy7iw8sgqlxy1c0i17-treefmt-check.drv'
treefmt-check> traversed 532 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 3.77s

upload niks3: ok