these 2 derivations will be built:
  /nix/store/1zxnpgc0mi37qzmbx2rai93qm2p7zynk-amp-linux-x64.drv
  /nix/store/salpyi32m14n6im8rcbifrrk5cgdm10i-amp-0.0.1788134497-gb6ce09.drv