these 2 derivations will be built:
  /nix/store/zj7143n5b18zvbhqgi2q92j1ry6fqsyy-jscpd-5.0.16-vendor.drv
  /nix/store/ayyc4cb4fqil9b5kp2syfrsl7i1y2wws-jscpd-5.0.16.drv