From 9876f6bd9c2927633e6df21889a585469dc5fce6 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Sat, 4 Jan 2020 00:28:15 +0100
Subject: [PATCH] Fix error code failure check in rustdoc test

---
 src/librustdoc/test.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/librustdoc/test.rs b/src/librustdoc/test.rs
index db66b7530b29..ca5c09edfbb2 100644
--- a/src/librustdoc/test.rs
+++ b/src/librustdoc/test.rs
@@ -299,7 +299,6 @@ fn run_test(
             eprint!("{}", self.0);
         }
     }
-
     let out = str::from_utf8(&output.stderr).unwrap();
     let _bomb = Bomb(&out);
     match (output.status.success(), compile_fail) {
@@ -309,7 +308,7 @@ fn run_test(
         (true, false) => {}
         (false, true) => {
             if !error_codes.is_empty() {
-                error_codes.retain(|err| !out.contains(err));
+                error_codes.retain(|err| !out.contains(&format!("error[{}]: ", err)));
 
                 if !error_codes.is_empty() {
                     return Err(TestFailure::MissingErrorCodes(error_codes));