// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // error-pattern:overflow when use std::time::{Instant, Duration}; fn main() { let now = Instant::now(); let _ = now + Duration::from_secs(u64::max_value()); }