these 2 derivations will be built:
  /nix/store/pjg42paapxz7hlylg8vr4zn7hycvxbc6-nix-grpc-store-0.1.0.drv
  /nix/store/ky1wpz8c3jwrqs7j2zqvf2myhj1szmjx-nix-grpc-store-exit-stress.drv