these 2 derivations will be built:
  /nix/store/xmm7410gfmvgyv8libq6cfky29jl8il5-nix-grpc-store-0.1.0-beta.4.drv
  /nix/store/l0xnh0xna9swl6inkbrlzmr62gzqxvlw-nix-grpc-store-dispatcher.drv