this derivation will be built:
  /nix/store/80virrxvyyr5jxm9kw4r5da7qgmmi7a3-cargo-fmt-check.drv
building '/nix/store/80virrxvyyr5jxm9kw4r5da7qgmmi7a3-cargo-fmt-check.drv'

upload niks3: ok