diff --git a/scripts/run.sh b/scripts/run.sh
index c36fc0c..ae5933c 100755
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -2,6 +2,7 @@
 set -eu
 
 T=5
+export RUST_BACKTRACE=1
 while :
 do
 	cargo fmt