renovate/docs/usage/rust.md

title	description
Rust crates	Rust crates support in Renovate

Automated Dependency Updates for Rust crates

Renovate supports upgrading dependencies in Cargo.toml files and their accompanying Cargo.lock checksums.

How it works

1. Renovate searches in each repository for any Cargo.toml files
2. Renovate extracts existing dependencies from [dependencies], [dev-dependencies] and [build-dependencies]
3. Renovate attempts to find and parse a .cargo/config.toml file to discover index URLs for private registries
4. Renovate resolves the dependency's version using the crates.io API or by cloning the index URL
5. If Renovate finds an update, Renovate will use cargo update to update both Cargo.toml and Cargo.lock

Enabling Rust Modules Updating

Renovate updates Rust crates by default.

Private crate registries and private Git dependencies

If any dependencies are hosted in private Git repositories, Git Authentication for cargo must be set up.

If any dependencies are hosted on private crate registries (ie., not on crates.io), then credentials should be set up in such a way that the Git command-line is able to clone the registry index. Third-party crate registries usually provide instructions to achieve this.

Both of these are currently only possible when running Renovate self-hosted.