these 2 derivations will be built:
  /nix/store/fkyg68h4g63gpqcn9q0v1fzslpbcfpmf-nix-grpc-store-0.2.3.drv
  /nix/store/ardr4ada0hf723vfrvsnm43wns94mj1r-nix-grpc-store-exit-stress.drv