m1 build error
cd rustup && RUSTUP_INIT_SKIP_PATH_CHECK=yes
RUSTUP_HOME=/Users/vlc/contrib/bin/.rustup CARGO_HOME=/Users/vlc/contrib/bin/.cargo
./rustup-init.sh --no-modify-path -y --default-toolchain 1.47.0
rustup: unknown CPU type: arm64
make: *** [.cargo] Error 1
make: Target `all' not remade because of errors.
cd rustup && RUSTUP_INIT_SKIP_PATH_CHECK=yes
RUSTUP_HOME=/Users/vlc/contrib/bin/.rustup CARGO_HOME=/Users/vlc/contrib/bin/.cargo
./rustup-init.sh --no-modify-path -y --default-toolchain 1.47.0
rustup: unknown CPU type: arm64