these 2 derivations will be built:
  /nix/store/w3q0hsccmp1af0q8qf3rp2b4dpl7bqcp-amp-linux-arm64.drv
  /nix/store/l81kbykp9dax01wdyxxqimrf59hql53b-amp-0.0.1786651704-g574433.drv