rust安装nightly build版本

一、安装stable版

$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

二、安装nightly版

$ rustc --version
$ rustup toolchain install nightly
$ rustup default nightly
info: using existing install for 'nightly-x86_64-apple-darwin'
info: default toolchain set to 'nightly-x86_64-apple-darwin'

  nightly-x86_64-apple-darwin unchanged - rustc 1.53.0-nightly (16bf626a3 2021-04-14)
  
$ rustc --version
rustc 1.53.0-nightly (16bf626a3 2021-04-14)

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来源： https://blog.csdn.net/ViewViewer/article/details/115724893