these 2 derivations will be built:
  /nix/store/yh72vydkfkajvv2f4l1g1rl1mv5ls44x-jscpd-5.1.0-vendor.drv
  /nix/store/31jzgrlycv2knf5fmkw6rzgsj28l5vwx-jscpd-5.1.0.drv