stabilize `#[must_use]` for functions and must-use operators

[rust.git] / src / liballoc / tests / slice.rs

diff --git a/src/liballoc/tests/slice.rs b/src/liballoc/tests/slice.rs
index 99d9c51efc75790c2e552c89d6490423445a2292..6fd0b33f02a60a9632249c6be29dac951d248ea7 100644 (file)
--- a/src/liballoc/tests/slice.rs
+++ b/src/liballoc/tests/slice.rs
@@ -1282,6 +1282,7 @@ fn test_box_slice_clone() {
 }
 
 #[test]
+#[allow(unused_must_use)] // here, we care about the side effects of `.clone()`
 #[cfg_attr(target_os = "emscripten", ignore)]
 fn test_box_slice_clone_panics() {
     use std::sync::Arc;