these 2 derivations will be built:
  /nix/store/32ad2svvjy44j1g3mnqy2dnjniarmakz-nix-grpc-store-0.1.0.drv
  /nix/store/sciwra92dnvyw0mdf1in1by8k1jdqhx8-nix-grpc-store-exit-stress.drv