these 2 derivations will be built:
  /nix/store/mfpmmnfk109vqwqrncgxc4a8v67w63rj-amp-linux-x64.drv
  /nix/store/bbz4c39md6brhlh3fc6xpzbiqx59k6jk-amp-0.0.1786291588-g1c260a.drv