--- newtype_derive-0.1.6/Cargo.toml	2016-04-22T07:46:11+02:00
+++ newtype_derive-0.1.6/Cargo.toml	2018-11-02T20:04:35.087838+01:00
@@ -17,7 +17,7 @@
 std-unstable = []
 
 [build-dependencies]
-rustc_version = "0.1.7"
+rustc_version = "0.2"
 
 [dev-dependencies]
 custom_derive = "0.1.1"