use fmt_macros as parse;
-use errors::pluralize;
-use errors::Applicability;
-use errors::DiagnosticBuilder;
-
+use rustc_data_structures::fx::{FxHashMap, FxHashSet};
+use rustc_errors::{pluralize, Applicability, DiagnosticBuilder};
use rustc_expand::base::{self, *};
use rustc_span::symbol::{sym, Symbol};
use rustc_span::{MultiSpan, Span};
use syntax::token;
use syntax::tokenstream::TokenStream;
-use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use std::borrow::Cow;
use std::collections::hash_map::Entry;