this derivation will be built:
  /nix/store/gbsn7py1zf3mwg01dwi99137c4xgcagh-treefmt-check.drv
building '/nix/store/gbsn7py1zf3mwg01dwi99137c4xgcagh-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1851 files
treefmt-check> emitted 453 files for processing
treefmt-check> formatted 453 files (0 changed) in 3.513s

upload niks3: ok