these 2 derivations will be built:
  /nix/store/wpnw0lhgpx5i1sag5pk9c336sakn4jbw-cargo-vendor-dir.drv
  /nix/store/mzp3zmy17l6dqf0mb9m77l8565v7jlv8-subportal-desktop-0.1.0.drv