linked lists in Rust

lists.rs

use std::collections::LinkedList;

fn main() {
    let mut list: LinkedList<u32> = LinkedList::new();
    list.push_back(2);
    list.push_back(3);
    list.push_back(5);
    list.push_back(7);
    list.push_back(11);

    let mut vec: Vec<u32> = Vec::new();
    for val in list.iter() {
        vec.push(val*3);
    }

    println!("{:?}", vec);
}