diff --git a/components/script_plugins/lib.rs b/components/script_plugins/lib.rs
index 211b6117781..926c5a04b03 100644
--- a/components/script_plugins/lib.rs
+++ b/components/script_plugins/lib.rs
@@ -210,7 +210,8 @@ impl<'tcx> LateLintPass<'tcx> for UnrootedPass {
     /// All structs containing #[unrooted_must_root_lint::must_root] types
     /// must be #[unrooted_must_root_lint::must_root] themselves
     fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item) {
-        if has_lint_attr(&self.symbols, &item.attrs, self.symbols.must_root) {
+        let attrs = cx.tcx.hir().attrs(item.hir_id());
+        if has_lint_attr(&self.symbols, &attrs, self.symbols.must_root) {
             return;
         }
         if let hir::ItemKind::Struct(def, ..) = &item.kind {
@@ -235,7 +236,8 @@ impl<'tcx> LateLintPass<'tcx> for UnrootedPass {
     fn check_variant(&mut self, cx: &LateContext, var: &hir::Variant) {
         let ref map = cx.tcx.hir();
         let parent_item = map.expect_item(map.get_parent_item(var.id));
-        if !has_lint_attr(&self.symbols, &parent_item.attrs, self.symbols.must_root) {
+        let attrs = cx.tcx.hir().attrs(parent_item.hir_id());
+        if !has_lint_attr(&self.symbols, &attrs, self.symbols.must_root) {
             match var.data {
                 hir::VariantData::Tuple(fields, ..) => {
                     for field in fields {
@@ -268,10 +270,10 @@ impl<'tcx> LateLintPass<'tcx> for UnrootedPass {
         id: HirId,
     ) {
         let in_new_function = match kind {
-            visit::FnKind::ItemFn(n, _, _, _, _) | visit::FnKind::Method(n, _, _, _) => {
+            visit::FnKind::ItemFn(n, _, _, _) | visit::FnKind::Method(n, _, _) => {
                 &*n.as_str() == "new" || n.as_str().starts_with("new_")
             },
-            visit::FnKind::Closure(_) => return,
+            visit::FnKind::Closure => return,
         };
 
         if !in_derive_expn(span) {
diff --git a/rust-toolchain b/rust-toolchain
index d6ee05dcfce..02c828fea2f 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2021-02-25
+nightly-2021-03-12
diff --git a/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini b/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini
index 23792568fa4..5c8f5d9135b 100644
--- a/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini
+++ b/tests/wpt/metadata/webaudio/the-audio-api/the-audioparam-interface/event-insertion.html.ini
@@ -1,4 +1,34 @@
 [event-insertion.html]
+  [< [Insert same event at same time\] 1 out of 15 assertions were failed.]
+    expected: FAIL
+
+  [X Linear+Expo: At time 0.01556396484375 (frame 255) output is not close to 1.99609375 within a relative error of 0 (RelErr=0.4964742940465998). Got 2.98710298538208.]
+    expected: FAIL
+
+  [X Expo+Linear: At time 0.01556396484375 (frame 255) output is not close to 2.9871532226369792 within a relative error of 0.0000042533 (RelErr=0.3317790074896618). Got 1.9960784912109375.]
+    expected: FAIL
+
+  [< [Linear + Expo\] 1 out of 6 assertions were failed.]
+    expected: FAIL
+
+  [< [Expo + Linear\] 1 out of 6 assertions were failed.]
+    expected: FAIL
+
+  [X Linear+SetTarget: At time 0.015625 (frame 256) output is not equal to 100. Got NaN.]
+    expected: FAIL
+
+  [X Multiple linear ramps: Output at frame 63 is not close to 1.984375 within a relative error of 0 (RelErr=3.9673788716473917). Got 9.857142448425293.]
+    expected: FAIL
+
+  [X Multiple exponential ramps: Output at frame 63 is not close to 1.978456026387951 within a relative error of 5.3924e-7 (RelErr=3.873046650665318). Got 9.641108512878418.]
+    expected: FAIL
+
+  [< [Multiple linear ramps at the same time\] 1 out of 6 assertions were failed.]
+    expected: FAIL
+
+  [< [Multiple exponential ramps at the same time\] 1 out of 6 assertions were failed.]
+    expected: FAIL
+
   [X Output at frame 512 (time 0.03125) is not equal to 4. Got 3.]
     expected: FAIL