docs: fix rustup cmd for adding rust-analyzer #18605
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Nov 11, 2025
| - `rustup update stable` DataFusion generally uses the latest stable release of Rust, though it may lag when new Rust toolchains release | ||
| - See which toolchain is currently pinned in the [`rust-toolchain.toml`](https://github.com/apache/datafusion/blob/main/rust-toolchain.toml) file | ||
| - This can cause issues such as not having the rust-analyzer component installed for the specified toolchain, in which case just install it manually, e.g. `rustup component add --toolchain 1.88 rust-analyzer` | ||
| - This can cause issues such as not having the rust-analyzer component installed for the specified toolchain, in which case just install it manually, e.g. `rustup component add --toolchain 1.88.0 rust-analyzer` |
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Is it also worth mentioning that the number must match exactly? Or maybe that will now be implied given the example
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Important to specify the patch version so rust-analyzer component is picked up correctly by tools like helix