The Rust Programming Language
by Rust Project
The official book — the best starting point for learning Rust from scratch.
Rustlings
by Rust Project
Small exercises to get you used to reading and writing Rust code.
Related resources
Rust by Example
by Rust Project
Learn Rust through annotated examples covering core concepts and the standard library.
The Rust Lang Book (YouTube Playlist)
by Let's Get Rusty
Let's Get Rusty walks through The Rust Programming Language book chapter by chapter.