these 2 derivations will be built:
  /nix/store/g9np7zsnsq1dxzz6mballm8fyjhlfp84-amp-linux-x64.drv
  /nix/store/xy89w54cilbdcra6gl67h4alxmlrywf7-amp-0.0.1789790452-gad4023.drv