Show active toolchain details

bash

rustup show

Explanation

A first step when builds behave differently than expected across machines or CI.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Toolchain selection

Choose the global channel to use by default.

Open In sheetbashsame section

Set a local override for the current project.

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Show the actual executable path selected by rustup.

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Use a channel explicitly for one command.

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See whether rustfmt, clippy, or docs are installed.

Open In sheetbash1 tag match

Add the Clippy lint component to the active toolchain.

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