diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 17635f45f09..09f78681041 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -990,7 +990,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.2"
-source = "git+https://github.com/servo/rust-mozjs#d88f289340ff32f0aa118e4621e250c0fa2f71e0"
+source = "git+https://github.com/servo/rust-mozjs#a815f57fdfa66d2490c37ebcb5d0ea067256ec21"
 dependencies = [
  "heapsize 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index b854818cb81..012e61b5d72 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -909,7 +909,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.2"
-source = "git+https://github.com/servo/rust-mozjs#d88f289340ff32f0aa118e4621e250c0fa2f71e0"
+source = "git+https://github.com/servo/rust-mozjs#a815f57fdfa66d2490c37ebcb5d0ea067256ec21"
 dependencies = [
  "heapsize 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/cef/lib.rs b/ports/cef/lib.rs
index 640045505a0..8f1f67dadda 100644
--- a/ports/cef/lib.rs
+++ b/ports/cef/lib.rs
@@ -4,7 +4,6 @@
 
 #![feature(borrow_state)]
 #![feature(box_syntax)]
-#![feature(convert)]
 #![feature(core_intrinsics)]
 #![feature(filling_drop)]
 #![feature(iter_arith)]
diff --git a/ports/cef/stubs.rs b/ports/cef/stubs.rs
index 84b299f1bf4..8f4a9b73820 100644
--- a/ports/cef/stubs.rs
+++ b/ports/cef/stubs.rs
@@ -9,6 +9,7 @@
 macro_rules! stub(
     ($name:ident) => (
         #[no_mangle]
+        #[allow(non_snake_case)]
         pub extern "C" fn $name() {
             println!("CEF stub function called: {}", stringify!($name));
             unsafe {
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index a9dd905e6ec..23265f6aa36 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -891,7 +891,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.2"
-source = "git+https://github.com/servo/rust-mozjs#d88f289340ff32f0aa118e4621e250c0fa2f71e0"
+source = "git+https://github.com/servo/rust-mozjs#a815f57fdfa66d2490c37ebcb5d0ea067256ec21"
 dependencies = [
  "heapsize 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",