this derivation will be built:
  /nix/store/zmlh1vnad7yx1cga93gb4pn1w878dxlg-treefmt-check.drv
building '/nix/store/zmlh1vnad7yx1cga93gb4pn1w878dxlg-treefmt-check.drv'
treefmt-check> traversed 534 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 5.645s

upload niks3: ok