this derivation will be built:
  /nix/store/swbkiqwb3xwa9w65j2cmn2bv13cy1yr0-treefmt-check.drv
building '/nix/store/swbkiqwb3xwa9w65j2cmn2bv13cy1yr0-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 543 files
treefmt-check> emitted 341 files for processing
treefmt-check> formatted 341 files (0 changed) in 844ms

upload niks3: ok