diff --git a/src/why-rust/compile-time.md b/src/why-rust/compile-time.md
index f195cbdd..75f20941 100644
--- a/src/why-rust/compile-time.md
+++ b/src/why-rust/compile-time.md
@@ -22,6 +22,8 @@ are:
   a value (meaning the destructor is never run).
 * You can also accidentally create a [reference cycle] with `Rc` or
   `Arc`.
+* In fact, some will consider infinitely populating a collection a memory
+  leak and Rust does not protect from those.
 
 For the purpose of this course, "No memory leaks" should be understood
 as "Pretty much no *accidental* memory leaks".