723598b803
This implements the HTTP index [RFC](https://rust-lang.github.io/rfcs/2789-sparse-index.html) for Cargo registries. Currently this is a preview feature and you need to use the nightly of `cargo`: `cargo +nightly -Z sparse-registry update` See https://github.com/rust-lang/cargo/issues/9069 for more information. --------- Co-authored-by: Giteabot <teabot@gitea.io>