Includes error in panic in initial accounts hash verification (#30725)

runtime/src/verify_accounts_hash_in_background.rs

@@ -67,7 +67,7 @@ impl VerifyAccountsHashInBackground {
         }
         let result = lock.take().unwrap().join().unwrap();
         if !result {
-            panic!("initial hash verification failed");
+            panic!("initial hash verification failed: {result:?}");
         }
         // we never have to check again
         self.verification_complete();