1 files changed, 1 insertions, 0 deletions
diff --git a/dhall/src/lib.rs b/dhall/src/lib.rs
index 9dbd3a6..7cc96e1 100644
--- a/dhall/src/lib.rs
+++ b/dhall/src/lib.rs
@@ -1,4 +1,5 @@
 #![feature(box_patterns)]
+#![feature(trace_macros)]
 
 pub mod context;
 mod core;