From 1adf93aa5492edcf5e4e4b7b9747bd50229e6f4d Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Fri, 5 Jun 2020 10:18:17 +0900
Subject: Stop Rake multitasking on Windows-VC for the time being.

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8bfbe0e8a..256394af7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -111,7 +111,7 @@ jobs:
       shell: cmd
       run: |
         call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-        rake -E "STDOUT.sync=true" -m -j4 test
+        rake -E "STDOUT.sync=true" test
       env:
         MRUBY_TARGET: appveyor
         # TODO(take-cheeze): Re-enable /O2
-- 
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