//@run-rustfix #![warn(clippy::unchecked_duration_subtraction)] use std::time::{Duration, Instant}; fn main() { let _first = Instant::now(); let second = Duration::from_secs(3); let _ = _first - second; let _ = Instant::now() - Duration::from_secs(5); let _ = _first - Duration::from_secs(5); let _ = Instant::now() - second; }