these 2 derivations will be built:
  /nix/store/3m8wzg7wyxnaqy7m806gsfmg0zpgflrz-amp-linux-x64.drv
  /nix/store/zsyx8spgyllfsqmm19m7jrvc98i1gcpa-amp-0.0.1787601851-gbc9885.drv