this derivation will be built:
  /nix/store/9dnlji2j5k2bfngq5a75wra3mbll9nsn-treefmt-check.drv
building '/nix/store/9dnlji2j5k2bfngq5a75wra3mbll9nsn-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 3.486s

upload niks3: ok