感谢 @rz 提供，编辑器配置完毕，编译测试已经通过，可以安心去鼓捣wasm了。
按以下配置可以成功编译：
Current installation options:
default host triple: x86_64-pc-windows-msvc
default toolchain: stable
profile: default
modify PATH variable: yes
1) Proceed with installation (default)
2) Customize installation
3) Cancel installation
>2
I'm going to ask you the value of each of these installation options.
You may simply press the Enter key to leave unchanged.
Default host triple?
x86_64-pc-windows-gnu
Default toolchain? (stable/beta/nightly/none)
stable
Profile (which tools and data to install)? (minimal/default/complete)
default
Modify PATH variable? (y/n)
y
