these 2 derivations will be built:
  /nix/store/v3ahgybcvq6mikkd5ayjc4vmnki2r7y6-nix-grpc-store-0.1.0.drv
  /nix/store/7q1r55cy4f6cp8ipdpyj94s6f1cm6j9p-nix-grpc-store-dispatcher.drv