Make use of RefCell::try_borrow_unguarded

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{}:{} {}",

components/style/servo/selector_parser.rs

@@ -354,7 +354,6 @@ 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,