these 2 derivations will be built:
  /nix/store/a9a4bxlllwyfdbdf0r8s93krwx8v25hn-amp-linux-x64.drv
  /nix/store/sim6jdd8jqnxkfr2kqadlr1wb3h16a0h-amp-0.0.1786838506-ge65dd2.drv