these 2 derivations will be built:
  /nix/store/glclcikbcmpr8m05fc9sdmzlrkzj505w-nix-grpc-store-0.1.0.drv
  /nix/store/zbni99a609yj91cj6x016zb91g9h844s-nix-grpc-store-exit-stress.drv