From 39b94b7deccadfae22be9d4dc8349a4e4692cce4 Mon Sep 17 00:00:00 2001
From: Joe Rickerby <joerick@mac.com>
Date: Sun, 1 Nov 2020 15:19:25 +0000
Subject: [PATCH] Tidy up log output

---
 cibuildwheel/linux.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cibuildwheel/linux.py b/cibuildwheel/linux.py
index dba5c38d..c28bd6b2 100644
--- a/cibuildwheel/linux.py
+++ b/cibuildwheel/linux.py
@@ -84,7 +84,7 @@ def get_python_configurations(build_selector: BuildSelector) -> List[PythonConfi
 
 def build(options: BuildOptions) -> None:
     try:
-        subprocess.check_call(['docker', '--version'])
+        subprocess.check_output(['docker', '--version'])
     except Exception:
         print('cibuildwheel: Docker not found. Docker is required to run Linux builds. '
               'If you\'re building on Travis CI, add `services: [docker]` to your .travis.yml.'