this derivation will be built:
  /nix/store/jlgqpi3cr86sblvip3lqwvwz15na8m4j-cargo-fmt-check.drv
building '/nix/store/jlgqpi3cr86sblvip3lqwvwz15na8m4j-cargo-fmt-check.drv'

upload niks3: ok