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Add instructions on how to upgrade to a newer Rust version (#17928)

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Micha Reiser 2025-05-07 20:11:58 +02:00 committed by GitHub
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CONTRIBUTING.md
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@ -366,6 +366,15 @@ uvx --from ./python/ruff-ecosystem ruff-ecosystem format ruff "./target/debug/ru
See the [ruff-ecosystem package](https://github.com/astral-sh/ruff/tree/main/python/ruff-ecosystem) for more details.
## Upgrading Rust
1. Change the `channel` in `./rust-toolchain.toml` to the new Rust version (`<latest>`)
1. Change the `rust-version` in the `./Cargo.toml` to `<latest> - 2` (e.g. 1.84 if the latest is 1.86)
1. Run `cargo clippy --fix --allow-dirty --allow-staged` to fix new clippy warnings
1. Create and merge the PR
1. Bump the Rust version in Ruff's conda forge recipe. See [this PR](https://github.com/conda-forge/ruff-feedstock/pull/266) for an example.
1. Enjoy the new Rust version!
## Benchmarking and Profiling
We have several ways of benchmarking and profiling Ruff: