Edited for grammar and format
Read the 'Rust Book' as others suggested. Make small programs.
- Result and Option ( if let, match etc)
- understand references / mutable references
- ownership and borrowing.
- traits.
- learn generics
- Box, RC, Refcell,
- threads with Arc/ Mutexes.
- std::sync - channels(tx, rx)
- tokio (if you want to get better at an async runtime)
- take up an open source project and do it rust