these 2 derivations will be built:
  /nix/store/bjp2yfy7nh112x75h8jjy1zwpkdgxnr4-nix-grpc-store-0.2.3.drv
  /nix/store/gqgm4adwzqpvc7lbgidzxpvk6jdigvkw-nix-grpc-store-dispatcher.drv