these 2 derivations will be built:
  /nix/store/idhv8h6fdxynlkkxs00f4bjn4011fhv2-nix-grpc-store-0.2.3.drv
  /nix/store/r13rx7xw2pmj6cj3g9h11x3yf0y25rb4-nix-grpc-store-exit-stress.drv