these 2 derivations will be built:
  /nix/store/nslxcpp9qm7ysmnv4qn6zwv2a1nxxvi6-nix-grpc-store-0.1.0.drv
  /nix/store/wkk325ggppp03myqraiw4myjila6ls97-nix-grpc-store-exit-stress.drv