these 2 derivations will be built:
  /nix/store/9hgp6bdi6yv0z19l0izrlqzw2q54rqg9-amp-linux-x64.drv
  /nix/store/nigf2a49f50sx7a4x5d2ly4f81s0xipa-amp-0.0.1787888254-g2bce74.drv