these 2 derivations will be built:
  /nix/store/yjznhwn4fncl77wxww4x6zj9wb6b8q41-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/gbgnvxp75rclzdlly7zfr3dkwinjz9c4-nix-grpc-store-exit-stress.drv