Rustup to rustc 1.42.0-nightly (a9dd56ff9 2019-12-30)

diff --git a/src/lib.rs b/src/lib.rs
index 9337d07ffc798346a75be07e6c14e20e8f0628ec..b01659eeb36edf2a312a1635cbe8a621bfcd2609 100644 (file)
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,7 +14,6 @@
 extern crate rustc_mir;
 extern crate rustc_target;
 extern crate syntax;
-extern crate syntax_expand;
 
 use std::any::Any;