suppress_panic.rs

use std::thread::{Thread, JoinGuard};
use std::io::stdio::set_stderr;
use std::io::util::NullWriter;
fn main() {
    let _tg: JoinGuard<()> = Thread::spawn(move || {
        set_stderr(box NullWriter);
        panic!("Test");
    });
    println!("Done");
}