these 2 derivations will be built:
  /nix/store/czibffnrqf0dlv2qr56qds9b9bd59kaq-nix-grpc-store-0.2.3.drv
  /nix/store/2kpi1q9gdd77q5ld4pgjld5dq6yissw9-nix-grpc-store-exit-stress.drv