these 2 derivations will be built:
  /nix/store/7w79av6b0q2n056dv4ad4wggijx1ibpn-amp-linux-x64.drv
  /nix/store/lq1gwfzbinky5z6lm94g6aswpy2cwpwn-amp-0.0.1789948881-g0115d6.drv