Do not write to stdout in Electron when running on win32 CI machine

This makes Electron crash on CI machine somehow.

script/cibuild

@@ -39,7 +39,6 @@ def main():
   if os.environ.has_key('TARGET_ARCH'):
     target_arch = os.environ['TARGET_ARCH']
 
-  is_appveyor = (os.getenv('APPVEYOR') == 'True')
   is_travis = (os.getenv('TRAVIS') == 'true')
   if is_travis and PLATFORM == 'linux':
     print 'Setup travis CI'
@@ -76,8 +75,10 @@ def main():
     run_script('create-dist.py')
     run_script('upload.py')
   else:
+    if PLATFORM == 'win32':
+      os.environ['OUTPUT_TO_FILE'] = 'output.log'
     run_script('build.py', ['-c', 'D'])
-    if not is_appveyor and target_arch == 'x64':
+    if target_arch == 'x64':
       run_script('test.py', ['--ci'])
 
 

script/test.py

@@ -32,6 +32,11 @@ def main():
 
   subprocess.check_call([atom_shell, 'spec'] + sys.argv[1:])
 
+  if os.environ.has_key('OUTPUT_TO_FILE'):
+    output_to_file = os.environ['OUTPUT_TO_FILE']
+    with open(output_to_file, 'r') as f:
+      print f.read()
+
 
 if __name__ == '__main__':
   sys.exit(main())