//@ run-pass //@ check-run-results //@ edition:2021 //@ exec-env:RUST_BACKTRACE=0 //@ needs-threads //@ needs-unwind use std::thread; const PANIC_MESSAGE: &str = "oops oh no woe is me"; fn entry() { panic!("{PANIC_MESSAGE}") } fn main() { let (a, b) = (thread::spawn(entry), thread::spawn(entry)); assert_eq!(&**a.join().unwrap_err().downcast::().unwrap(), PANIC_MESSAGE); assert_eq!(&**b.join().unwrap_err().downcast::().unwrap(), PANIC_MESSAGE); }