these 2 derivations will be built:
  /nix/store/l4vr1cf9pdyv9xvbb897a26wg74lry67-nix-grpc-store-0.1.0.drv
  /nix/store/kb0qc9k3i1bfnqls0kmybxz3wcgps8hb-nix-grpc-store-exit-stress.drv