diff --git a/boring-sys/src/lib.rs b/boring-sys/src/lib.rs
index 8463fe1f..6f027919 100644
--- a/boring-sys/src/lib.rs
+++ b/boring-sys/src/lib.rs
@@ -20,6 +20,7 @@ use std::os::raw::{c_char, c_int, c_uint, c_ulong};
     clippy::useless_transmute,
     clippy::derive_partial_eq_without_eq,
     clippy::ptr_offset_with_cast,
+    unpredictable_function_pointer_comparisons, // TODO: remove Eq/PartialEq in v5
     dead_code
 )]
 mod generated {
diff --git a/boring/src/stack.rs b/boring/src/stack.rs
index 67958e15..5a95d98c 100644
--- a/boring/src/stack.rs
+++ b/boring/src/stack.rs
@@ -192,14 +192,14 @@ impl<T: Stackable> StackRef<T> {
     }
 
     #[must_use]
-    pub fn iter(&self) -> Iter<T> {
+    pub fn iter(&self) -> Iter<'_, T> {
         Iter {
             stack: self,
             idxs: 0..self.len(),
         }
     }
 
-    pub fn iter_mut(&mut self) -> IterMut<T> {
+    pub fn iter_mut(&mut self) -> IterMut<'_, T> {
         IterMut {
             idxs: 0..self.len(),
             stack: self,