extern crate log;
#[macro_use]
extern crate rustc;
-#[macro_use]
-extern crate syntax;
use rustc::dep_graph::WorkProduct;
-use rustc::hir::def_id::CrateNum;
use rustc::middle::cstore::{CrateSource, LibSource, NativeLibrary};
use rustc::middle::dependency_format::Dependencies;
use rustc::middle::lang_items::LangItem;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::svh::Svh;
use rustc_data_structures::sync::Lrc;
+use rustc_hir::def_id::CrateNum;
+use rustc_span::symbol::Symbol;
use std::path::{Path, PathBuf};
-use syntax_pos::symbol::Symbol;
pub mod back;
pub mod base;