these 2 derivations will be built:
  /nix/store/n5cdl63kngiqya4v6z5p0g7yd16my4zx-nix-grpc-store-0.1.0.drv
  /nix/store/ld4cl6cnn5bz2djjrd4pm8sj0j9xaadb-nix-grpc-store-exit-stress.drv