these 2 derivations will be built:
  /nix/store/bn7akfrxqmkp7cyj82gxnjz63lf6hpg7-nix-grpc-store-0.2.2.drv
  /nix/store/52jcsvj0ky2vdijhdcy4siz6sblnrkpq-nix-grpc-store-exit-stress.drv