From d0541401172f0f17fe7fd088db09c21ae2e59a64 Mon Sep 17 00:00:00 2001
From: Matt Ickstadt <mattico8@gmail.com>
Date: Mon, 30 Jul 2018 18:37:45 -0500
Subject: [PATCH] Fix rust playground execute API

---
 src/theme/book.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/theme/book.js b/src/theme/book.js
index aea7eda7..afbf23fe 100644
--- a/src/theme/book.js
+++ b/src/theme/book.js
@@ -101,7 +101,8 @@ function playpen_text(playpen) {
             crateType: "bin",
             tests: false,
             code: text,
-        }
+            backtrace: false,
+        };
 
         if (text.indexOf("#![feature") !== -1) {
             params.channel = "nightly";