From 5be00bcd1835145ff71ec3539c2bf849da0e37ed Mon Sep 17 00:00:00 2001
From: Fraser Hutchison <fraser.hutchison@maidsafe.net>
Date: Thu, 21 Jun 2018 05:20:14 +0100
Subject: [PATCH] Ensure a non-zero value is returned by clippy if compilation
 fails

---
 src/driver.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/driver.rs b/src/driver.rs
index 830c89856..419f61f86 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -13,7 +13,7 @@ extern crate rustc_plugin;
 extern crate syntax;
 
 use rustc_driver::{driver::CompileController, Compilation};
-use std::process::Command;
+use std::process::{exit, Command};
 
 #[allow(print_stdout)]
 fn show_version() {
@@ -133,5 +133,10 @@ pub fn main() {
     }
     controller.compilation_done.stop = Compilation::Stop;
 
-    rustc_driver::run_compiler(&args, Box::new(controller), None, None);
+    if rustc_driver::run_compiler(&args, Box::new(controller), None, None)
+        .0
+        .is_err()
+    {
+        exit(101);
+    }
 }