these 2 derivations will be built:
  /nix/store/d49aqvrzmlk2ij2283s8x194fm3yjb8k-nix-grpc-store-0.1.0.drv
  /nix/store/xmyf060k21crfhjwmzl5423iqs2rgaq2-nix-grpc-store-dispatcher.drv