not working for IL2CPP Builds?

[UncleJey]

> Failed running E:\Program Files\Unity\Editor\Data\Tools/UnusedByteCodeStripper2/UnusedBytecodeStripper2.exe -out "E:\work2\winTest\wintest\Temp\StagingArea\Data\Managed\tempStrip" -l none -c link -b False -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Core.xml" -f "E:\Program Files\Unity\Editor\Data\il2cpp\LinkerDescriptors" -x "E:\work2\winTest\wintest/Temp\StagingArea\Data/methods_pointedto_by_uievents.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\AI.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Animation.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Audio.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\CloudWebServices.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Core.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\IMGUI.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\JSONSerialize.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\ParticlesLegacy.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\ParticleSystem.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Physics.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Physics2D.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Terrain.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\TerrainPhysics.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\TextRendering.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UI.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UNET.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UnityAds.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UnityAnalytics.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UnityConnect.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\UnityWebRequest.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\VR.xml" -x "E:\Program Files\Unity\Editor\Data\PlaybackEngines\MetroSupport\Whitelists\Web.xml" -d "E:\work2\winTest\wintest\Temp\StagingArea\Data\Managed" -a  "E:\work2\winTest\wintest\Temp\StagingArea\Data\Managed\Assembly-CSharp.dll" -a  "E:\work2\winTest\wintest\Temp\StagingArea\Data\Managed\UnityEngine.UI.dll"
> 
> stdout:
> Fatal error in Mono CIL Linker
> System.Exception: Error while processing references of 'Microsoft.UnityPlugins.Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' ---> Mono.Cecil.AssemblyResolutionException: Failed to resolve assembly: 'Windows.Foundation.UniversalApiContract, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'
>    at Mono.Linker.LinkContext.Resolve(IMetadataScope scope)
>    at Mono.Linker.Steps.LoadReferencesStep.ProcessReferences(AssemblyDefinition assembly)
>    --- End of inner exception stack trace ---
>    at Mono.Linker.Steps.LoadReferencesStep.ProcessReferences(AssemblyDefinition assembly)
>    at Mono.Linker.Steps.BaseStep.Process(LinkContext context)
>    at Mono.Linker.Pipeline.Process(LinkContext context)
>    at Mono.Linker.Driver.RunDriver(Driver driver)
> stderr:
> 
> UnityEngine.Debug:LogError(Object)
> UnityEditorInternal.Runner:RunManagedProgram(String, String, String, CompilerOutputParserBase) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:94)
> UnityEditorInternal.AssemblyStripper:RunAssemblyLinker(IEnumerable`1, String&, String&, String, String) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:107)
> UnityEditorInternal.AssemblyStripper:StripAssembliesTo(String[], String[], String, String, String&, String&, String, IIl2CppPlatformProvider, IEnumerable`1, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:100)
> UnityEditorInternal.AssemblyStripper:RunAssemblyStripper(String, IEnumerable, String, String[], String[], String, IIl2CppPlatformProvider, RuntimeClassRegistry, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:201)
> UnityEditorInternal.AssemblyStripper:StripAssemblies(String, IIl2CppPlatformProvider, RuntimeClassRegistry, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:131)
> UnityEditorInternal.IL2CPPBuilder:Run() (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:201)
> UnityEditorInternal.IL2CPPUtils:RunIl2Cpp(String, String, IIl2CppPlatformProvider, Action`1, RuntimeClassRegistry, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:128)
> PostProcessUAPIl2Cpp:RunIL2CPP() (at C:/buildslave/unity/build/PlatformDependent/MetroPlayer/Extensions/Managed/PostProcessUAPIl2Cpp.cs:92)
> PostProcessWinRT:Process() (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:131)
> UnityEditor.HostView:OnGUI()
> 

Exception: E:\Program Files\Unity\Editor\Data\Tools/UnusedByteCodeStripper2/UnusedBytecodeStripper2.exe did not run properly!
UnityEditorInternal.Runner.RunManagedProgram (System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:96)
UnityEditorInternal.AssemblyStripper.RunAssemblyLinker (IEnumerable`1 args, System.String& out, System.String& err, System.String linkerPath, System.String workingDirectory) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:107)
UnityEditorInternal.AssemblyStripper.StripAssembliesTo (System.String[] assemblies, System.String[] searchDirs, System.String outputFolder, System.String workingDirectory, System.String& output, System.String& error, System.String linkerPath, IIl2CppPlatformProvider platformProvider, IEnumerable`1 additionalBlacklist, Boolean developmentBuild) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:100)
UnityEditorInternal.AssemblyStripper.RunAssemblyStripper (System.String stagingAreaData, IEnumerable assemblies, System.String managedAssemblyFolderPath, System.String[] assembliesToStrip, System.String[] searchDirs, System.String monoLinkerPath, IIl2CppPlatformProvider platformProvider, UnityEditor.RuntimeClassRegistry rcr, Boolean developmentBuild) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:201)
UnityEditorInternal.AssemblyStripper.StripAssemblies (System.String stagingAreaData, IIl2CppPlatformProvider platformProvider, UnityEditor.RuntimeClassRegistry rcr, Boolean developmentBuild) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:131)
UnityEditorInternal.IL2CPPBuilder.Run () (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:201)
UnityEditorInternal.IL2CPPUtils.RunIl2Cpp (System.String tempFolder, System.String stagingAreaData, IIl2CppPlatformProvider platformProvider, System.Action`1 modifyOutputBeforeCompile, UnityEditor.RuntimeClassRegistry runtimeClassRegistry, Boolean developmentBuild) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:128)
PostProcessUAPIl2Cpp.RunIL2CPP () (at C:/buildslave/unity/build/PlatformDependent/MetroPlayer/Extensions/Managed/PostProcessUAPIl2Cpp.cs:92)
PostProcessWinRT.Process () (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:131)
UnityEditor.Metro.BuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at C:/buildslave/unity/build/PlatformDependent/MetroPlayer/Extensions/Managed/ExtensionModule.cs:133)
UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, System.String downloadWebplayerUrl, System.String manualDownloadWebplayerUrl, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:316)
UnityEditor.HostView:OnGUI()

``