Easy steps to install rustup-init package on Mac
Package Information:
Application Name – rustup-init
What is rustup-init – Not Available for rustup-init
Use of rustup-init – Rust toolchain installer
URL – https://github.com/rust-lang/rustup
Installation Steps:
- Open Terminal using Spotlight search by pressing  
<command+space>. Type terminal and hitEnterkey. - Now, run following command to install homebrew (brew)
 - Install rustup-init using brew
brew install rustup-init
 

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

rustup-init is ready to use now!