From 959628ed83cc3785b068be9c839347ced8e5bf2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Sun, 5 May 2019 13:29:14 +0200
Subject: [PATCH] Bug 1549301 - Fix some warnings.

---
 servo/components/derive_common/lib.rs           | 1 -
 servo/components/style/error_reporting.rs       | 1 -
 servo/components/style/servo/selector_parser.rs | 1 -
 servo/components/style_derive/animate.rs        | 2 +-
 4 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/servo/components/derive_common/lib.rs b/servo/components/derive_common/lib.rs
index 1e8d20aa32de..14415351449b 100644
--- a/servo/components/derive_common/lib.rs
+++ b/servo/components/derive_common/lib.rs
@@ -3,7 +3,6 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
 extern crate darling;
-extern crate proc_macro;
 extern crate proc_macro2;
 #[macro_use]
 extern crate quote;
diff --git a/servo/components/style/error_reporting.rs b/servo/components/style/error_reporting.rs
index 04677c260411..6e63b0ad68a3 100644
--- a/servo/components/style/error_reporting.rs
+++ b/servo/components/style/error_reporting.rs
@@ -245,7 +245,6 @@ impl ParseErrorReporter for RustLogReporter {
         location: SourceLocation,
         error: ContextualParseError,
     ) {
-        use log;
         if log_enabled!(log::Level::Info) {
             info!(
                 "Url:\t{}\n{}:{} {}",
diff --git a/servo/components/style/servo/selector_parser.rs b/servo/components/style/servo/selector_parser.rs
index a67f97025b76..9d94c467b583 100644
--- a/servo/components/style/servo/selector_parser.rs
+++ b/servo/components/style/servo/selector_parser.rs
@@ -345,7 +345,6 @@ impl NonTSPseudoClass {
     /// selector matching, and it's set from the DOM.
     pub fn state_flag(&self) -> ElementState {
         use self::NonTSPseudoClass::*;
-        use crate::element_state::ElementState;
         match *self {
             Active => ElementState::IN_ACTIVE_STATE,
             Focus => ElementState::IN_FOCUS_STATE,
diff --git a/servo/components/style_derive/animate.rs b/servo/components/style_derive/animate.rs
index ccccdf9d0df8..16c3ee122722 100644
--- a/servo/components/style_derive/animate.rs
+++ b/servo/components/style_derive/animate.rs
@@ -25,7 +25,7 @@ pub fn derive(mut input: DeriveInput) -> TokenStream {
         let s = Structure::new(&input);
         let mut append_error_clause = s.variants().len() > 1;
 
-        let mut match_body = s.variants().iter().fold(quote!(), |body, variant| {
+        let match_body = s.variants().iter().fold(quote!(), |body, variant| {
             let arm = match derive_variant_arm(variant, &mut where_clause) {
                 Ok(arm) => arm,
                 Err(()) => {