error: linker `link.exe` not found

rust初学编译报错：

error: linker `link.exe` not found
  |
  = note: program not found

note: the msvc targets depend on the msvc linker but `link.exe` was not found

note: please ensure that Visual Studio 2017 or later, or Build Tools for Visual Studio were installed with the Visual C++ option.

note: VS Code is a different product, and is not sufficient.

错误信息很明显：依赖于微软的 微软MS VC++编译环境的链接程序 linker.exe。网上各种都是说要安装vs或者cpp build工具，设备比较落后，禁不起vs的体量，就使用window-gnu的方法解决。

输入命令：

rustup toolchain install stable-x86_64-pc-windows-gnu
rustup default stable-x86_64-pc-windows-gnu

就可以搞定。

不过需要注意的是，下载速度太慢了，可能需要设置cargo的国内镜像。