Fix logging for rustdoc

diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 002c5f967105d2a6fa8d2bafd6ae04d6a69387f3..4f08452767a877011e96822de62b2ead67cf4272 100644 (file)
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -43,7 +43,7 @@
 extern crate rustc_typeck;
 extern crate test as testing;
 #[macro_use]
-extern crate log;
+extern crate tracing as log;
 
 use std::default::Default;
 use std::env;