this derivation will be built:
  /nix/store/ls9ylgpa6vhsb1qfycwd7xvbnbkzbh5f-treefmt-check.drv
building '/nix/store/ls9ylgpa6vhsb1qfycwd7xvbnbkzbh5f-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1742 files
treefmt-check> emitted 440 files for processing
treefmt-check> formatted 440 files (0 changed) in 3.598s

upload niks3: ok