this derivation will be built:
  /nix/store/6lhhy7x205q7622b6ii0np1g6hnqh4dg-treefmt-check.drv
building '/nix/store/6lhhy7x205q7622b6ii0np1g6hnqh4dg-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2202 files
treefmt-check> emitted 586 files for processing
treefmt-check> formatted 586 files (0 changed) in 3.836s

upload niks3: ok