diff --git a/rust b/rust
index ae116a1..fbb1fd1 160000
--- a/rust
+++ b/rust
@@ -1 +1 @@
-Subproject commit ae116a10e422ffba392791f9241c4132205e3689
+Subproject commit fbb1fd15d7c3ef511d785c7718899eddde095ccc
diff --git a/rust-toolchain b/rust-toolchain
index 2cb5702..a47068b 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2018-04-27
+nightly-2018-06-19