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Remove extern crate.

This commit is contained in:
Camille GILLOT 2019-11-16 11:53:44 +01:00
parent 5b4dad7ad2
commit 3d97a91e7f
4 changed files with 3 additions and 2 deletions

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@ -37,6 +37,7 @@ use rustc_data_structures::sync::Lrc;
use rustc_data_structures::thin_vec::ThinVec;
use rustc_index::vec::Idx;
use rustc_serialize::{self, Decoder, Encoder};
use rustc_macros::HashStable_Generic;
use std::fmt;