V language comparison task in Rust

top_hn.rs

extern crate crossbeam;
extern crate reqwest;
extern crate serde;
extern crate serde_json;

use crossbeam::atomic::AtomicCell;
use crossbeam::thread::scope;
use reqwest::Client;
use serde::Deserialize;

#[derive(Deserialize)]
struct Story {
    title: String,
}

fn main() {
    let client = Client::new();

    let body = client.get("https://hacker-news.firebaseio.com/v0/topstories.json")
        .send().unwrap()
        .text().unwrap();
    let ids: Vec<i32> = serde_json::from_str(&body).unwrap();

    let cursor = AtomicCell::new(0usize);
    scope(|s| {
        for _ in 0..8 {
            s.spawn(|_| {
                while let Some(id) = ids.get(cursor.fetch_add(1)) {
                    let url = format!("https://hacker-news.firebaseio.com/v0/item/{}.json", id);
                    let body = client.get(&url)
                        .send().unwrap()
                        .text().unwrap();
                    let story: Story = serde_json::from_str(&body).unwrap();
                    println!("{}", story.title);
                }
            });
        }
    }).unwrap();
}