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Rust CLI Troubleshooting: rustup, Toolchains, Components, and Targets/List installed and available components

See whether rustfmt, clippy, or docs are installed.

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Section: Components and targets

List installed and available components

bash
bash
rustup component list
Explanation

Useful when `cargo fmt` or `cargo clippy` fails because the component is missing.

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Same sheet · prioritizing Components and targets
Install Clippy
Add the Clippy lint component to the active toolchain.
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Install rustfmt
Add the formatter component to the active toolchain.
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List installed targets
Show available target triples already added locally.
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Install a target triple
Add support for a cross-compilation target.
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Build for a specific target
Compile using an installed target triple.
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Show active toolchain details
Display installed toolchains and the active default.
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