remove redundant imports (clippy::single_component_path_imports)

src/librustdoc/clean/utils.rs

@@ -16,7 +16,6 @@ use rustc_data_structures::fx::FxHashSet;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LOCAL_CRATE};
-use rustc_span;
 use rustc_span::symbol::{kw, sym, Symbol};
 use std::mem;
 

src/librustdoc/config.rs

@@ -3,7 +3,6 @@ use std::ffi::OsStr;
 use std::fmt;
 use std::path::PathBuf;
 
-use getopts;
 use rustc::lint::Level;
 use rustc::session;
 use rustc::session::config::{
@@ -13,7 +12,6 @@ use rustc::session::config::{
 use rustc::session::config::{parse_crate_types_from_list, parse_externs, CrateType};
 use rustc::session::config::{CodegenOptions, DebuggingOptions, ErrorOutputType, Externs};
 use rustc::session::search_paths::SearchPath;
-use rustc_driver;
 use rustc_span::edition::{Edition, DEFAULT_EDITION};
 use rustc_target::spec::TargetTriple;
 

src/librustdoc/core.rs

@@ -11,7 +11,6 @@ use rustc_hir::def::Namespace::TypeNS;
 use rustc_hir::def_id::{CrateNum, DefId, DefIndex, LOCAL_CRATE};
 use rustc_hir::HirId;
 use rustc_interface::interface;
-use rustc_lint;
 use rustc_resolve as resolve;
 use rustc_session::lint;
 

src/librustdoc/html/render.rs

@@ -73,8 +73,6 @@ use crate::html::markdown::{self, ErrorCodes, IdMap, Markdown, MarkdownHtml, Mar
 use crate::html::sources;
 use crate::html::{highlight, layout, static_files};
 
-use minifier;
-
 #[cfg(test)]
 mod tests;
 

src/librustdoc/markdown.rs

@@ -5,7 +5,6 @@ use std::path::PathBuf;
 use rustc_feature::UnstableFeatures;
 use rustc_span::edition::Edition;
 use rustc_span::source_map::DUMMY_SP;
-use testing;
 
 use crate::config::{Options, RenderOptions};
 use crate::externalfiles::{load_string, LoadStringError};

src/librustdoc/passes/collect_intra_doc_links.rs

@@ -13,7 +13,6 @@ use rustc_hir::def_id::DefId;
 use rustc_resolve::ParentScope;
 use rustc_span::symbol::Symbol;
 use rustc_span::DUMMY_SP;
-use syntax;
 use syntax::ast::{self, Ident};
 
 use std::ops::Range;

src/librustdoc/test.rs

@@ -20,7 +20,6 @@ use std::str;
 use syntax::ast;
 use syntax::with_globals;
 use tempfile::Builder as TempFileBuilder;
-use testing;
 
 use crate::clean::Attributes;
 use crate::config::Options;