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brew reinstall rustup

==>Fetching downloads for:rustup

✔︎ Bottle rustup (1.28.2) [Downloaded 4.9MB/ 4.9MB]

==>Reinstallingrustup

==>Pouring rustup-1.28.2.arm64_sequoia.bottle.tar.gz

==>Caveats

To initialize `rustup`, set a default toolchain:

rustup default stable

If you have `rust` installed, ensure you have "$(brew --prefix rustup)/bin"

before "$(brew --prefix)/bin" in your $PATH:

https://rust-lang.github.io/rustup/installation/already-installed-rust.html

rustup is keg-only, which means it was not symlinked into /opt/homebrew,

because it conflicts with rust.

If you need to have rustup first in your PATH, run:

echo 'export PATH="/opt/homebrew/opt/rustup/bin:$PATH"' >> ~/.zshrc

==>Summary

🍺 /opt/homebrew/Cellar/rustup/1.28.2: 27 files, 11.5MB

==>Running `brew cleanup rustup`...

Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`.

Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`).

==>Caveats

zsh completions have been installed to:

/opt/homebrew/opt/rustup/share/zsh/site-functions

https://formulae.brew.sh/formula/rustup#default

安装的 https://rust-lang.github.io/rustup/

brew install rustup

brew install rustup

✔︎ JSON API formula.jws.json [Downloaded 31.7MB/ 31.7MB]

✔︎ JSON API cask.jws.json [Downloaded 15.1MB/ 15.1MB]

==>Fetching downloads for:rustup

✔︎ Bottle rustup (1.28.2) [Downloaded 4.9MB/ 4.9MB]

==>Pouring rustup-1.28.2.arm64_sequoia.bottle.tar.gz

==>Caveats

To initialize `rustup`, set a default toolchain:

rustup default stable

If you have `rust` installed, ensure you have "$(brew --prefix rustup)/bin"

before "$(brew --prefix)/bin" in your $PATH:

https://rust-lang.github.io/rustup/installation/already-installed-rust.html

rustup is keg-only, which means it was not symlinked into /opt/homebrew,

because it conflicts with rust.

If you need to have rustup first in your PATH, run:

echo 'export PATH="/opt/homebrew/opt/rustup/bin:$PATH"' >> ~/.zshrc

==>Summary

🍺 /opt/homebrew/Cellar/rustup/1.28.2: 27 files, 11.5MB

==>Running `brew cleanup rustup`...

Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`.

Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`).

==>Caveats

zsh completions have been installed to:

/opt/homebrew/opt/rustup/share/zsh/site-functions

rustup default stable

info:syncing channel updates for 'stable-aarch64-apple-darwin'

1009.5 KiB / 1009.5 KiB (100 %) 27.1 KiB/s in 43s

info:latest update on 2025-11-10, rust version 1.91.1 (ed61e7d7e 2025-11-07)

info:downloading component 'cargo'

info:downloading component 'clippy'

info:downloading component 'rust-docs'

info:downloading component 'rust-std'

info:downloading component 'rustc'

2.4 MiB / 60.9 MiB ( 4 %) 5.0 KiB/s in 3m 45s ETA: 3h 21m 0s

info: retrying download for 'https://static.rust-lang.org/dist/2025-11-10/rustc-1.91.1-aarch64-apple-darwin.tar.xz' （网络原因会被主动切别的站点）

1.7 MiB / 60.9 MiB ( 3 %) 14.7 KiB/s in 2m 15s ETA: 1h 8m 37s

这是 官方关于 rust 第一次创建项目的两个基本项 安装

https://www.jetbrains.com/help/rust/rust-toolchain.html#install-rust-on-your-own

https://rust-lang.github.io/rustup/installation/already-installed-rust.html