these 2 derivations will be built:
  /nix/store/g9x9kdcpdd0aqqcfwqq4860a2b68ivc0-nix-grpc-store-0.1.0-beta.3.drv
  /nix/store/jy8jvma98g3wph25lrz0vykd2g2dyc1a-nix-grpc-store-exit-stress.drv