diff --git a/components/script_plugins/unrooted_must_root.rs b/components/script_plugins/unrooted_must_root.rs
index 58700e5d6b6e..dc38054720cf 100644
--- a/components/script_plugins/unrooted_must_root.rs
+++ b/components/script_plugins/unrooted_must_root.rs
@@ -7,7 +7,7 @@ use rustc::hir::intravisit as visit;
 use rustc::hir::{self, ExprKind};
 use rustc::lint::{LateContext, LateLintPass, LintArray, LintContext, LintPass};
 use rustc::ty;
-use syntax::{ast, source_map, symbol::Ident};
+use syntax::{ast, source_map};
 
 declare_lint!(
     UNROOTED_MUST_ROOT,
@@ -168,8 +168,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnrootedPass {
         id: ast::NodeId,
     ) {
         let in_new_function = match kind {
-            visit::FnKind::ItemFn(n, _, _, _, _) |
-            visit::FnKind::Method(Ident { name: n, .. }, _, _, _) => {
+            visit::FnKind::ItemFn(n, _, _, _, _) | visit::FnKind::Method(n, _, _, _) => {
                 &*n.as_str() == "new" || n.as_str().starts_with("new_")
             },
             visit::FnKind::Closure(_) => return,
diff --git a/rust-toolchain b/rust-toolchain
index b3ce0a23f6ea..3bd0575c2408 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2019-01-04
+nightly-2019-01-15