these 2 derivations will be built:
  /nix/store/phlajfhbi1pv08f5sc8wgxwfz8g3i9wg-cargo-vendor-dir.drv
  /nix/store/dh3bm7gpp8lgz5x2353mbffynzyardwc-subportal-desktop-0.2.0.drv