Auto merge of #4621 - JohnTitor:fix-windows, r=phansch

Use windows-sdk-10.1 to avoid installation failure

This fixes installation failure on Windows on Travis but we need to fix rustfmt issue first to pass the CI completely.

changelog: none

Author: bors

.travis.yml

@@ -30,7 +30,7 @@ install:
         npm install remark-cli remark-lint
       fi
       if [ "$TRAVIS_OS_NAME" == "windows" ]; then
-        choco install windows-sdk-10.0
+        choco install windows-sdk-10.1
       fi
     fi