this derivation will be built:
  /nix/store/8c02swi8fybrwwi2pzrf5j8frp29qhsa-treefmt-check.drv
building '/nix/store/8c02swi8fybrwwi2pzrf5j8frp29qhsa-treefmt-check.drv'
treefmt-check> traversed 555 files
treefmt-check> emitted 375 files for processing
treefmt-check> formatted 375 files (0 changed) in 3.309s

upload niks3: ok