Pin to an older version of rustup temporarily
Pin to an older version of rustup temporarily

cc #3394

durka/cargo,rustyhorde/cargo,nipunn1313/cargo,nipunn1313/cargo,rustyhorde/cargo,sbeckeriv/cargo,durka/cargo,achanda/cargo,rust-lang/cargo,tsurai/cargo,rust-lang/cargo,tshepang/cargo,tsurai/cargo,tshepang/cargo,sbeckeriv/cargo,tshepang/cargo,sbeckeriv/cargo,durka/cargo,vojtechkral/cargo,tsurai/cargo,rustyhorde/cargo,tshepang/cargo,achanda/cargo,vojtechkral/cargo,sbeckeriv/cargo,tsurai/cargo,achanda/cargo,eminence/cargo,vojtechkral/cargo,rust-lang/cargo,eminence/cargo,rustyhorde/cargo,rust-lang/cargo,achanda/cargo,nipunn1313/cargo,eminence/cargo,vojtechkral/cargo,durka/cargo,eminence/cargo,nipunn1313/cargo,tsurai/cargo