these 2 derivations will be built:
  /nix/store/i8jzq92jxygi98yrfmm4p5c4y89crq4j-nix-grpc-store-0.1.0.drv
  /nix/store/ihcffiyqky3w6776171fnw1n07licxfy-nix-grpc-store-exit-stress.drv