Build Rust from Source

[dellelce]

Refs:

• https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
• https://github.com/rust-lang/rust/blob/master/INSTALL.md#dependencies

Requirements:

• Python is needed because of "x" build tool.

Knowledge and Better build:

• What does "x" do and how can we automate it.
• How is rust built by Alpine and Arch Linux