diff --git a/components/macros/lib.rs b/components/macros/lib.rs
index 5b9aa64a52d..c2af641f165 100644
--- a/components/macros/lib.rs
+++ b/components/macros/lib.rs
@@ -62,6 +62,12 @@ impl LintPass for TransmutePass {
 }
 
 fn lint_unrooted_ty(cx: &Context, ty: &ast::Ty, warning: &str) {
+        let ty = match ty.node {
+            ast::TyBox(ref t) | ast::TyUniq(ref t) |
+            ast::TyVec(ref t) | ast::TyFixedLengthVec(ref t, _) |
+            ast::TyPtr(ast::MutTy { ty: ref t, ..}) | ast::TyRptr(_, ast::MutTy { ty: ref t, ..}) => &**t,
+            _ => ty
+        };
         match ty.node {
             ast::TyPath(_, _, id) => {
                 match cx.tcx.def_map.borrow().get_copy(&id) {
diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index c77ae3cba17..7754adce672 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -113,6 +113,7 @@ pub struct JS<T> {
 }
 
 impl<T> PartialEq for JS<T> {
+    #[allow(unrooted_must_root)]
     fn eq(&self, other: &JS<T>) -> bool {
         self.ptr == other.ptr
     }
@@ -373,6 +374,7 @@ impl RootCollection {
     }
 
     /// Create a new stack-bounded root that will not outlive this collection
+    #[allow(unrooted_must_root)]
     fn new_root<'a, 'b, T: Reflectable>(&'a self, unrooted: &JS<T>) -> Root<'a, 'b, T> {
         Root::new(self, unrooted)
     }
diff --git a/components/script/dom/htmlserializer.rs b/components/script/dom/htmlserializer.rs
index 624ede52bb7..3737b498bb1 100644
--- a/components/script/dom/htmlserializer.rs
+++ b/components/script/dom/htmlserializer.rs
@@ -21,6 +21,7 @@ use dom::text::Text;
 use servo_util::atom::Atom;
 use servo_util::namespace;
 
+#[allow(unrooted_must_root)]
 pub fn serialize(iterator: &mut NodeIterator) -> String {
     let mut html = String::new();
     let mut open_elements: Vec<String> = vec!();