these 2 derivations will be built:
  /nix/store/1glypx2ihmgfxa1fz0fl9f23d3bkfmy4-nix-grpc-store-0.2.3.drv
  /nix/store/ffixnl48brybdxgg8qws248k3dp1c7cs-nix-grpc-store-dispatcher.drv