Upgrade to rustc 1.27.0-nightly (056f589fb 2018-04-07)

components/dom_struct/lib.rs

@@ -7,7 +7,6 @@
 extern crate proc_macro;
 
 use proc_macro::{TokenStream, quote};
-use std::iter;
 
 #[proc_macro_attribute]
 pub fn dom_struct(args: TokenStream, input: TokenStream) -> TokenStream {
@@ -21,7 +20,7 @@ pub fn dom_struct(args: TokenStream, input: TokenStream) -> TokenStream {
     };
 
     // Work around https://github.com/rust-lang/rust/issues/46489
-    let attributes = attributes.to_string().parse().unwrap();
+    let attributes: TokenStream = attributes.to_string().parse().unwrap();
 
-    iter::once(attributes).chain(iter::once(input)).collect()
+    attributes.into_iter().chain(input.into_iter()).collect()
 }

components/script/dom/bindings/str.rs

@@ -208,7 +208,7 @@ impl DOMString {
         let first_non_whitespace = self.0.find(|ref c| !char::is_ascii_whitespace(c)).unwrap();
 
         self.0.truncate(last_non_whitespace);
-        let _ = self.0.splice(0..first_non_whitespace, "");
+        let _ = self.0.replace_range(0..first_non_whitespace, "");
     }
 
     /// Validates this `DOMString` is a time string according to

components/script/lib.rs

@@ -4,13 +4,10 @@
 
 #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
 #![cfg_attr(feature = "unstable", feature(on_unimplemented))]
-#![feature(ascii_ctype)]
-#![feature(conservative_impl_trait)]
 #![feature(const_fn)]
 #![feature(mpsc_select)]
 #![feature(plugin)]
 #![feature(proc_macro)]
-#![feature(splice)]
 #![feature(string_retain)]
 
 #![deny(unsafe_code)]

rust-toolchain

@@ -1 +1 @@
-nightly-2018-01-27
+nightly-2018-04-08