this derivation will be built:
  /nix/store/7qp78rwwg7vdf0r4i97c3vp5d1xp9a4d-treefmt-check.drv
building '/nix/store/7qp78rwwg7vdf0r4i97c3vp5d1xp9a4d-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 19.774s

upload niks3: ok