Rustlang “no override and no default toolchain set”

Rustlang “No Override and no default Toolchain set

Error: rustc –version error: rustc –version

no override and no default toolchain set
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Cause of error, Rust is not installed correctly, we can do the following operations:

1. Install stable versions through Rustup

$ rustup install stable
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2. Set stable to the default version

$ rustup default stable
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