diff --git a/virtualizationmanager/src/crosvm.rs b/virtualizationmanager/src/crosvm.rs
index d5e2e67..9b0ec5f 100644
--- a/virtualizationmanager/src/crosvm.rs
+++ b/virtualizationmanager/src/crosvm.rs
@@ -440,6 +440,7 @@
 
     /// Waits until payload is started, or timeout expires. When timeout occurs, kill
     /// the VM to prevent indefinite hangup and update the payload_state accordingly.
+    #[allow(let_underscore_lock)]
     fn monitor_payload_hangup(&self, child: Arc<SharedChild>) {
         debug!("Starting to monitor hangup for Microdroid({})", child.id());
         let (_, result) = self