Install nightly

bash

rustup toolchain install nightly

Explanation

Nightly is commonly used for unstable features or tooling experiments.

Learn the surrounding workflow

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

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Display toolchains available on the machine.

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Add the beta channel toolchain.

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Change the global default toolchain.

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Create a directory override for the current folder.

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Stop forcing a local toolchain override.

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Check in a `rust-toolchain.toml` file.

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