these 2 derivations will be built:
  /nix/store/azk9l4qg8sqsbblkvzkg6ry65dgm44cf-nix-grpc-store-0.1.0.drv
  /nix/store/kh3ganhnab1s3q2lv6bxa2zv5lp4s5kf-nix-grpc-store-exit-stress.drv