these 2 derivations will be built:
  /nix/store/4awvayws2s64mg4snixc1s7hb20zx9j7-amp-linux-x64.drv
  /nix/store/05q5x643yzwp0ci6s41jc8hncswrp5s0-amp-0.0.1787256233-gf9b5cc.drv