Fix clone bound

diff --git a/src/cargo/core/resolver/types.rs b/src/cargo/core/resolver/types.rs
index d0b8c9d963b45b4306c7ef329c5e5c3f3d25b890..0d1dcf1f2ccef59eb8f76a16208025decf00ecd2 100644 (file)
--- a/src/cargo/core/resolver/types.rs
+++ b/src/cargo/core/resolver/types.rs
@@ -347,7 +347,7 @@ where
     }
 }
 
-impl<T> ExactSizeIterator for RcVecIter<T> {}
+impl<T: Clone> ExactSizeIterator for RcVecIter<T> {}
 
 pub struct RcList<T> {
     pub head: Option<Rc<(T, RcList<T>)>>,