diff --git a/rust/src/verify.rs b/rust/src/verify.rs
index aedcf41..f9df71f 100644
--- a/rust/src/verify.rs
+++ b/rust/src/verify.rs
@@ -487,10 +487,12 @@ mod tests {
         let mut depth_limited_spec = api::iavl_spec();
         depth_limited_spec.min_depth = 2;
         depth_limited_spec.max_depth = 4;
-
         
         let mut max_prefix_length_too_large_spec = api::iavl_spec();
-        let inner_spec = max_prefix_length_too_large_spec.inner_spec.as_mut().unwrap();
+        let inner_spec = max_prefix_length_too_large_spec
+            .inner_spec
+            .as_mut()
+            .unwrap();
         inner_spec.max_prefix_length = 100;
 
         let cases: HashMap<&'static str, ExistenceCase> = [