these 2 derivations will be built:
  /nix/store/4yw2fx329yw5b13dih348g8k0zyga6ww-nix-grpc-store-0.2.3.drv
  /nix/store/v53x89rnv9fq2y0da3xlb2cvvynq903q-nix-grpc-store-dispatcher.drv