From 44eec0884d198020e72f2f28b522bcfa16a1830a Mon Sep 17 00:00:00 2001
From: Philipp Hansch <dev@phansch.net>
Date: Wed, 9 Oct 2019 20:51:45 +0200
Subject: [PATCH] Feed the dog

---
 src/driver.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/driver.rs b/src/driver.rs
index ffa9b663ec4..fda304afcbe 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -277,7 +277,7 @@ fn report_clippy_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) {
     }
 
     // If backtraces are enabled, also print the query stack
-    let backtrace = std::env::var_os("RUST_BACKTRACE").map(|x| &x != "0").unwrap_or(false);
+    let backtrace = std::env::var_os("RUST_BACKTRACE").map_or(false, |x| &x != "0");
 
     if backtrace {
         TyCtxt::try_print_query_stack(&handler);