this derivation will be built:
  /nix/store/3d2f3lvif77ndf2h4y72n8i3cc0n6gfn-treefmt-check.drv
building '/nix/store/3d2f3lvif77ndf2h4y72n8i3cc0n6gfn-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1648 files
treefmt-check> emitted 424 files for processing
treefmt-check> formatted 424 files (0 changed) in 3.618s

upload niks3: ok