Using Rust/Hyper to do a HTTP Post with JSON

eapi.rs

extern crate hyper;
extern crate core;

use std::io::Read;

use hyper::Client;
use hyper::header::Connection;
use hyper::header::Basic;
use hyper::header::Headers;
use core::str::FromStr;

fn main() {
        // Create a client.
        let mut client = Client::new();
        let auth = Basic::from_str("admin:admin").unwrap();
            let mut res = client.post("https://admin:admin@bleaf1/command-api")
                        // set a header
                        .header(auth)
                        .body(r#"{
                                 "jsonrpc": "2.0",
                                    "method": "runCmds",
                                       "params": {
                                                 "version": 1,
                                                       "cmds": [
                                     "show version"
                                  ],
                                        "format": "json",
                                              },
                                  "id": "1"
                                  }"#)
                                // let 'er go!
                                .send().unwrap();

                // Read the Response.
                let mut body = String::new();
                    res.read_to_string(&mut body).unwrap();

                        println!("Response: {}", body);
}