this derivation will be built:
  /nix/store/509kg77z34yqq60a8f88g6l1v97md2gs-treefmt-check.drv
building '/nix/store/509kg77z34yqq60a8f88g6l1v97md2gs-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 3.248s

upload niks3: ok