(Jin Qing's Column, Mar., 2022)
rustup-init.exe may fail if some anti-virus software is running with realtime protection.
The error message is like this after many retries:
error: could not rename component file from 'C:\.../rust/html' to 'C:\.../rust/html'
See: https://github.com/rust-lang/rustup/issues/1912
And it is not possible to stop the anti-virus for a corporate laptop.
There is a way to workaround this. Here are the steps:
rustup-init
rustup
rustup update
rustup update will report that rustc was not found:
C:\Users\jinqing01>rustup update info: syncing channel updates for 'stable-x86_64-pc-windows-msvc' ... info: removing previous version of component 'rustc' warning: during uninstall component rustc was not found ... info: installing component 'rustc' ... info: checking for self-updates stable-x86_64-pc-windows-msvc updated - rustc 1.59.0 (9d1b2106e 2022-02-23) (from (rustc does not exist)) info: cleaning up downloads & tmp directories
Rerun rustup-init to setup the toolchain:
C:\Users\jinqing01>cargo --version error: no override and no default toolchain set C:\Users\jinqing01>d: D:\>cd tool D:\Tool>rustup-init.exe Welcome to Rust! This will download and install the official compiler for the Rust programming language, and its package manager, Cargo. ... Rust is installed now. Great! Press the Enter key to continue. D:\Tool>cargo --version cargo 1.59.0 (49d8809dc 2022-02-10)
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