these 2 derivations will be built:
  /nix/store/aa4x1w8sxnkyka5svpvmhwkzly1771c3-nix-grpc-store-0.1.0.drv
  /nix/store/0qv7vszyg8sxn16g81fl0k4wy9xip5hl-nix-grpc-store-dispatcher.drv