Panicking in spawned Rayon tasks will abort the process by default.

src/core/executor.rs

@@ -203,12 +203,12 @@ mod tests {
             let rx_clone2 = rx.clone();
             let fut = executor.spawn_blocking(move || {
                 counter_clone.fetch_add(1, Ordering::SeqCst);
-                let () = rx_clone.recv().unwrap();
+                let _ = rx_clone.recv();
             });
             futures.push(fut);
             let other_fut = executor.spawn_blocking(move || {
                 other_counter_clone.fetch_add(1, Ordering::SeqCst);
-                let () = rx_clone2.recv().unwrap();
+                let _ = rx_clone2.recv();
             });
             other_futures.push(other_fut);
         }