these 2 derivations will be built:
  /nix/store/dpwxbddwnnwbardzcpjgwda4mafyhr7y-amp-linux-x64.drv
  /nix/store/8xxiq4ab90gcap97m2wsg55c5v1y62g7-amp-0.0.1786205170-g724a7d.drv