Merge pull request #32793 from jaredpar/fix-toolset

Move toolset to the dev16.0p2 compiler

eng/Versions.props

@@ -73,10 +73,10 @@
     <MicrosoftInternalVisualStudioShellInterop140DesignTimeVersion>14.3.25407-alpha</MicrosoftInternalVisualStudioShellInterop140DesignTimeVersion>
     <MicrosoftMetadataVisualizerVersion>1.0.0-beta1-63011-01</MicrosoftMetadataVisualizerVersion>
     <MicrosoftMSXMLVersion>8.0.0.0-alpha</MicrosoftMSXMLVersion>
-    <MicrosoftNetCompilersVersion>2.9.0-beta7-63018-03</MicrosoftNetCompilersVersion>
+    <MicrosoftNetCompilersVersion>3.0.0-beta2-19068-12</MicrosoftNetCompilersVersion>
     <MicrosoftNetCoreAnalyzersVersion>$(RoslynDiagnosticsNugetPackageVersion)</MicrosoftNetCoreAnalyzersVersion>
     <MicrosoftNetCoreILAsmVersion>2.0.0</MicrosoftNetCoreILAsmVersion>
-    <MicrosoftNETCoreCompilersVersion>2.9.0-beta7-63018-03</MicrosoftNETCoreCompilersVersion>
+    <MicrosoftNETCoreCompilersVersion>3.0.0-beta2-19068-12</MicrosoftNETCoreCompilersVersion>
     <MicrosoftNETCorePlatformsVersion>2.1.0</MicrosoftNETCorePlatformsVersion>
     <MicrosoftNETCoreRuntimeCoreCLRVersion>2.0.0</MicrosoftNETCoreRuntimeCoreCLRVersion>
      <!-- Using a private build of Microsoft.Net.Test.SDK to work around issue https://github.com/Microsoft/vstest/issues/1764 -->	

src/Compilers/CSharp/Test/Symbol/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.csproj

@@ -9,6 +9,11 @@
     <RoslynProjectType>UnitTestPortable</RoslynProjectType>
     <RuntimeIdentifiers>$(RoslynPortableRuntimeIdentifiers)</RuntimeIdentifiers>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <!-- 
+      Mono serialization errors breaking tests that have traits
+      https://github.com/mono/mono/issues/10945
+    -->
+    <SkipTests Condition="'$(TestRuntime)' == 'Mono'">true</SkipTests>
   </PropertyGroup>
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\..\..\..\Test\Utilities\Portable\Roslyn.Test.Utilities.csproj" />