this derivation will be built:
  /nix/store/6nhsbc1xqb78bnrvpk070c4bl0p9q3ry-treefmt-check.drv
building '/nix/store/6nhsbc1xqb78bnrvpk070c4bl0p9q3ry-treefmt-check.drv'
treefmt-check> traversed 523 files
treefmt-check> emitted 357 files for processing
treefmt-check> formatted 357 files (0 changed) in 18.054s

upload niks3: ok