[00:00:00] Build started [00:00:01] git clone -q --branch=master https://github.com/Petezah/AppVeyorUWPBuildTest.git C:\projects\appveyoruwpbuildtest [00:00:02] msbuild "TestApp\TestApp.sln" /verbosity:minimal /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" [00:00:03] Microsoft (R) Build Engine version 14.0.23107.0 [00:00:03] Copyright (C) Microsoft Corporation. All rights reserved. [00:00:03] [00:00:05] C:\projects\appveyoruwpbuildtest\TestApp\TestApp.csproj : XamlCompiler error WMC1006: Cannot resolve Assembly or Windows Metadata file 'System.Runtime.dll' [00:00:05] C:\Program Files (x86)\MSBuild\Microsoft\WindowsXaml\v14.0\8.2\Microsoft.Windows.UI.Xaml.Common.targets(263,5): Xaml Internal Error error WMC9999: Type universe cannot resolve assembly: System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5 [00:00:05] f7f11d50a3a. [C:\projects\appveyoruwpbuildtest\TestApp\TestApp.csproj] [00:00:05] Command exited with code 1