use rustc::middle::privacy::AccessLevels;
use rustc::middle::stability;
+use rustc_ast::ast;
use rustc_ast_pretty::pprust;
use rustc_data_structures::flock;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_span::symbol::{sym, Symbol};
use serde::ser::SerializeSeq;
use serde::{Serialize, Serializer};
-use syntax::ast;
use crate::clean::{self, AttributesExt, Deprecation, GetDefId, SelfTy};
use crate::config::RenderOptions;