these 2 derivations will be built:
  /nix/store/hqnwnv7yahh2hfwp0rbqan1abcv8s81j-nix-grpc-store-0.2.3.drv
  /nix/store/6h4s13myxs2r5snqphvwxjf1qd0ng1ds-nix-grpc-store-dispatcher.drv