This Week in Rust – Static linking, Win64(cmr.github.io)

    fn main() {
        // we can't introduce synchronization for this example, so print repeatedly on the main task and check the output for ordering
        do spawn {
            fail!("child task failure");
        }
        for i in range(0u, 50) {
            println!("print line {}", i);
        }
    }

    fn main() {
        let mut builder = std::task::task();
        let future = builder.future_result();
        do builder.spawn() {
            fail!("child task failure");
        }
        // check for failure before each of our prints
        for i in range(0u, 50) {
            if future.peek() && future.recv().is_err() {
                fail!("parent task failing because of child failure");
            }
            println!("print line {}", i);
        }
        // and block on the result in the end
        if future.try_recv().map_default(false, |r| r.is_err()) {
            fail!("parent task failing because of child failure");
        }
    }