this derivation will be built:
  /nix/store/3zpvlkqfmz4a6dpyrzp4ah15ldr2iimf-treefmt-check.drv
building '/nix/store/3zpvlkqfmz4a6dpyrzp4ah15ldr2iimf-treefmt-check.drv'
treefmt-check> traversed 540 files
treefmt-check> emitted 368 files for processing
treefmt-check> formatted 368 files (0 changed) in 2.327s

upload niks3: ok