these 2 derivations will be built:
  /nix/store/lvwl2y5xx19j1grpdr64n4mva5vbk9pp-nix-grpc-store-0.1.0.drv
  /nix/store/kjdahi9xjwpn4rc4xhphd2h2nazdwyy2-nix-grpc-store-exit-stress.drv