use rustc_resolve as resolve;
use rustc_session::lint;
+use rustc_ast::ast::CRATE_NODE_ID;
use rustc_attr as attr;
use rustc_errors::emitter::{Emitter, EmitterWriter};
use rustc_errors::json::JsonEmitter;
use rustc_span::source_map;
use rustc_span::symbol::sym;
use rustc_span::DUMMY_SP;
-use syntax::ast::CRATE_NODE_ID;
use rustc_data_structures::sync::{self, Lrc};
use std::cell::RefCell;