如何将Rust更新到最新版


Rust每隔一段时间就会有新的版本,若要将已安装的Rust更新到最新版,并不用先卸载旧的版本,只需要使用 rustup 工具;

查看Rust版本

rustc -V
PS C:\Users\hocn> rustc -V
rustc 1.54.0 (a178d0322 2021-07-26)

更新Rust

rustup update

看到以下信息表示更新完成;

PS C:\Users\hocn> rustup update
info: syncing channel updates for 'stable-x86_64-pc-windows-msvc'
info: latest update on 2022-04-07, rust version 1.60.0 (7737e0b5c 2022-04-04)
info: downloading component 'cargo'
  3.9 MiB /   3.9 MiB (100 %) 778.2 KiB/s in  5s ETA:  0s
info: downloading component 'clippy'
  1.7 MiB /   1.7 MiB (100 %) 516.6 KiB/s in  3s ETA:  0s
info: downloading component 'rust-docs'
 19.6 MiB /  19.6 MiB (100 %) 459.4 KiB/s in 35s ETA:  0s
info: downloading component 'rust-std'
 24.0 MiB /  24.0 MiB (100 %) 630.8 KiB/s in 41s ETA:  0s
info: downloading component 'rustc'
 56.7 MiB /  56.7 MiB (100 %) 742.1 KiB/s in  2m 49s ETA:  0s
info: downloading component 'rustfmt'
  2.2 MiB /   2.2 MiB (100 %) 630.8 KiB/s in  3s ETA:  0s
info: removing previous version of component 'cargo'
info: removing previous version of component 'clippy'
info: removing previous version of component 'rust-docs'
info: removing previous version of component 'rust-std'
info: removing previous version of component 'rustc'
info: removing previous version of component 'rustfmt'
info: installing component 'cargo'
info: installing component 'clippy'
info: installing component 'rust-docs'
 19.6 MiB /  19.6 MiB (100 %)   1.7 MiB/s in  9s ETA:  0s
info: installing component 'rust-std'
 24.0 MiB /  24.0 MiB (100 %)   8.0 MiB/s in  2s ETA:  0s
info: installing component 'rustc'
 56.7 MiB /  56.7 MiB (100 %)   9.3 MiB/s in  6s ETA:  0s
info: installing component 'rustfmt'
info: checking for self-updates

  stable-x86_64-pc-windows-msvc updated - rustc 1.60.0 (7737e0b5c 2022-04-04) (from rustc 1.54.0 (a178d0322 2021-07-26))

info: cleaning up downloads & tmp directories

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