with_additional_fail_matcher is not going to work due to lifetimes with the new forced borrow.

src/parser/nom_context.rs

@@ -98,6 +98,15 @@ impl<'r> ContextTree<'r, dyn OrgModeContext<'r>> {
             ErrorKind::ManyTill,
         )));
     }
+
+    pub fn with_additional_fail_matcher(
+        &'r self,
+        fail_matcher: &'r Matcher,
+    ) -> OrgModeContextTree<'r> {
+        self.with_additional_node(FailMatcherNode {
+            fail_matcher: ChainBehavior::AndParent(Some(fail_matcher)),
+        })
+    }
 }
 
 impl<'r> OrgModeContext<'r> for FailMatcherNode<'r> {