these 2 derivations will be built:
  /nix/store/0sddwf695wpw1b85vlari2qh1ikjd9av-nix-grpc-store-0.1.0.drv
  /nix/store/avpqjc4kjfy2wlvw7nwhg02hqn50sa4s-nix-grpc-store-exit-stress.drv