these 2 derivations will be built:
  /nix/store/n7z5cwh4jfz4xg31hgyjpdpgfa24ykks-luvus-0.12.0-vendor.drv
  /nix/store/4k48p0lcrpmw5bjxa5chdsg5jksggk8n-luvus-0.12.0.drv