1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs
index d443057eb..a41a749ee 100644
--- a/compiler/rustc_interface/src/lib.rs
+++ b/compiler/rustc_interface/src/lib.rs
@@ -1,12 +1,17 @@
 #![feature(box_patterns)]
-#![feature(let_else)]
 #![feature(internal_output_capture)]
 #![feature(thread_spawn_unchecked)]
 #![feature(once_cell)]
 #![recursion_limit = "256"]
 #![allow(rustc::potential_query_instability)]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
+
+#[macro_use]
+extern crate tracing;
 
 mod callbacks;
+mod errors;
 pub mod interface;
 mod passes;
 mod proc_macro_decls;