these 2 derivations will be built:
  /nix/store/ij25pv7zj0a8435fzacvqi8ssbh5pvpw-amp-linux-x64.drv
  /nix/store/5kc0kyqnqxzx8axhzhigfwvyn4ar3v6b-amp-0.0.1787241916-g56aafe.drv