From 02fc16aece46abcd23d2ade2d969497f07fe26ab Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 7 Aug 2020 12:50:25 -0700
Subject: [PATCH] Fix jobserver_exists test on single-cpu systems

Closes #8595
---
 tests/testsuite/jobserver.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/testsuite/jobserver.rs b/tests/testsuite/jobserver.rs
index 9e91c956cd75..16518ee2c614 100644
--- a/tests/testsuite/jobserver.rs
+++ b/tests/testsuite/jobserver.rs
@@ -51,7 +51,10 @@ fn jobserver_exists() {
         .file("src/lib.rs", "")
         .build();
 
-    p.cargo("build").run();
+    // Explicitly use `-j2` to ensure that there's eventually going to be a
+    // token to read from `valdiate` above, since running the build script
+    // itself consumes a token.
+    p.cargo("build -j2").run();
 }
 
 #[cargo_test]
-- 
2.26.2