I tried some older versions to do some testing and then uninstall it.
rustup install <old_version> rustup default <old_version>

When I uninstall the toolchain using rustup uninstall <old_version> and then view the list using rustup toolchain list, it automatically starts downloading and installing the toolchain I just uninstalled.

Is it normal behavior that the rustup toolchain list command will download and install toolchains^[1]? I think it's better to ask first than to start the download automatically.

1. If the default corresponding toolchain is not installed ↩︎

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