these 2 derivations will be built:
  /nix/store/dwr05j8an2mx96iph3hnbcizskmn4xjj-nix-grpc-store-0.1.0-beta.2.drv
  /nix/store/i8r1ljc11mhfxnjqi1h6fxxjmvnmilyy-nix-grpc-store-exit-stress.drv