Auto merge of #24043 - servo:rustup, r=jdm

Upgrade to rustc 1.39.0-nightly (9eae1fc0e 2019-08-23)

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components/script_layout_interface/wrapper_traits.rs

@@ -170,9 +170,8 @@ pub trait ThreadSafeLayoutNode:
     type ConcreteNode: LayoutNode<ConcreteThreadSafeLayoutNode = Self>;
     type ConcreteElement: TElement;
 
-    type ConcreteThreadSafeLayoutElement: ThreadSafeLayoutElement<
-            ConcreteThreadSafeLayoutNode = Self,
-        > + ::selectors::Element<Impl = SelectorImpl>;
+    type ConcreteThreadSafeLayoutElement: ThreadSafeLayoutElement<ConcreteThreadSafeLayoutNode = Self>
+        + ::selectors::Element<Impl = SelectorImpl>;
     type ChildrenIterator: Iterator<Item = Self> + Sized;
 
     /// Converts self into an `OpaqueNode`.

components/script_plugins/lib.rs

@@ -21,17 +21,12 @@
 #[cfg(feature = "unrooted_must_root_lint")]
 #[macro_use]
 extern crate rustc;
-
-// Work around TLS failure: https://github.com/rust-lang/rust/issues/62717#issuecomment-511876555
-#[allow(unused)]
 extern crate rustc_driver;
-
-extern crate rustc_plugin;
 extern crate syntax;
 
 extern crate weedle;
 
-use rustc_plugin::Registry;
+use rustc_driver::plugin::Registry;
 use syntax::feature_gate::AttributeType::Whitelisted;
 use syntax::symbol::Symbol;
 

components/script_plugins/utils.rs

@@ -30,13 +30,9 @@ pub fn match_def_path(cx: &LateContext, def_id: DefId, path: &[Symbol]) -> bool
 }
 
 pub fn in_derive_expn(span: Span) -> bool {
-    if let Some(i) = span.ctxt().outer_expn().expn_info() {
-        if let ExpnKind::Macro(MacroKind::Attr, n) = i.kind {
+    if let ExpnKind::Macro(MacroKind::Attr, n) = span.ctxt().outer_expn_data().kind {
         n.as_str().contains("derive")
     } else {
         false
     }
-    } else {
-        false
-    }
 }

rust-toolchain

@@ -1 +1 @@
-nightly-2019-08-16
+nightly-2019-08-24