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-rw-r--r--src/tools/miri/tests/pass/packed_struct.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/miri/tests/pass/packed_struct.rs b/src/tools/miri/tests/pass/packed_struct.rs
index b86235e0c67..039eb5adef0 100644
--- a/src/tools/miri/tests/pass/packed_struct.rs
+++ b/src/tools/miri/tests/pass/packed_struct.rs
@@ -138,7 +138,7 @@ fn test_derive() {
     assert_eq!(x.partial_cmp(&y).unwrap(), x.cmp(&y));
     x.hash(&mut DefaultHasher::new());
     P::default();
-    format!("{:?}", x);
+    let _ = format!("{:?}", x);
 }
 
 fn main() {