these 2 derivations will be built:
  /nix/store/zjps5p1aazwzpcmm9d76bkdx6zmsa5bb-nix-grpc-store-0.2.2.drv
  /nix/store/5g7iax6pm96j6790x2rl8lih4i9r11bg-nix-grpc-store-exit-stress.drv