this derivation will be built:
  /nix/store/s6x9n28f46rf33j7q3dyk3r8s5zp0i3i-treefmt-check.drv
building '/nix/store/s6x9n28f46rf33j7q3dyk3r8s5zp0i3i-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 2313 files
treefmt-check> emitted 547 files for processing
treefmt-check> formatted 547 files (0 changed) in 4.209s

upload niks3: ok