diff --git a/rust b/rust
index 134c4a0..8c4f2c6 160000
--- a/rust
+++ b/rust
@@ -1 +1 @@
-Subproject commit 134c4a0f08a3d1f55ea8968fbe728fa935c71698
+Subproject commit 8c4f2c64c6759a82f143e23964a46a65c67509c9