message: drive-by rust update
diff: @@ -7,7 +7,7 @@ extern crate rustc_driver;
  extern crate env_logger;
  extern crate log_settings;
  extern crate syntax;
  -#[macro_use] extern crate log;
  +extern crate log;
  use rustc::session::Session;
  use rustc_driver::{Compilation, CompilerCalls};
  