these 2 derivations will be built:
  /nix/store/ynlk8y5bn1k60f8p3s8j1h6p0qrvwlx1-amp-linux-x64.drv
  /nix/store/21v60gcnv1hdq8j942dz5xqwp9qzvqd3-amp-0.0.1786219538-g8a5763.drv