Unhandled Exception:
System.DllNotFoundException: version.dll
  at (wrapper managed-to-native) Microsoft.Win32.UnsafeNativeMethods:GetFileVersionInfoSize (string,int&)
  at System.Diagnostics.FileVersionInfo.GetVersionInfo (System.String fileName) <0xb5565260 + 0x000b3> in <filename unknown>:0 
  at Roslyn.Utilities.PortableShim+Misc.GetFileVersion (System.String path) <0xb55651f8 + 0x0001c> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.GetAssemblyFileVersion () <0xb5564f28 + 0x000ff> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CSharpCompiler.PrintLogo (System.IO.TextWriter consoleOutput) <0xb5562e00 + 0x0007f> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.RunCore (System.IO.TextWriter consoleOutput, Microsoft.CodeAnalysis.ErrorLogger errorLogger, CancellationToken cancellationToken) <0xb5561840 + 0x000f7> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.Run (System.IO.TextWriter consoleOutput, CancellationToken cancellationToken) <0xb5560dd8 + 0x000c3> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc+<>c__DisplayClass1_0.<Run>b__0 (System.IO.TextWriter textWriterOut, System.IO.TextWriter _) <0xb5560da8 + 0x00028> in <filename unknown>:0 
  at Roslyn.Utilities.ConsoleUtil.RunWithOutput[T] (Boolean utf8Encoding, System.Func`3 func) <0xb5560138 + 0x00032> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc.Run (System.String clientDirectory, System.String sdkDirectory, System.String[] args, IAnalyzerAssemblyLoader analyzerLoader) <0xb749a970 + 0x00193> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.BuildTasks.BuildClient.RunWithConsoleOutput (System.String[] args, System.String clientDir, System.String workingDir, System.String sdkDir, IAnalyzerAssemblyLoader analyzerLoader, RequestLanguage language, System.Func`5 fallbackCompiler) <0xb7499318 + 0x00216> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Program.Main (System.String[] args) <0xb7496ee0 + 0x000b7> in <filename unknown>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: System.DllNotFoundException: version.dll
  at (wrapper managed-to-native) Microsoft.Win32.UnsafeNativeMethods:GetFileVersionInfoSize (string,int&)
  at System.Diagnostics.FileVersionInfo.GetVersionInfo (System.String fileName) <0xb5565260 + 0x000b3> in <filename unknown>:0 
  at Roslyn.Utilities.PortableShim+Misc.GetFileVersion (System.String path) <0xb55651f8 + 0x0001c> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.GetAssemblyFileVersion () <0xb5564f28 + 0x000ff> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CSharpCompiler.PrintLogo (System.IO.TextWriter consoleOutput) <0xb5562e00 + 0x0007f> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.RunCore (System.IO.TextWriter consoleOutput, Microsoft.CodeAnalysis.ErrorLogger errorLogger, CancellationToken cancellationToken) <0xb5561840 + 0x000f7> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.Run (System.IO.TextWriter consoleOutput, CancellationToken cancellationToken) <0xb5560dd8 + 0x000c3> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc+<>c__DisplayClass1_0.<Run>b__0 (System.IO.TextWriter textWriterOut, System.IO.TextWriter _) <0xb5560da8 + 0x00028> in <filename unknown>:0 
  at Roslyn.Utilities.ConsoleUtil.RunWithOutput[T] (Boolean utf8Encoding, System.Func`3 func) <0xb5560138 + 0x00032> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc.Run (System.String clientDirectory, System.String sdkDirectory, System.String[] args, IAnalyzerAssemblyLoader analyzerLoader) <0xb749a970 + 0x00193> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.BuildTasks.BuildClient.RunWithConsoleOutput (System.String[] args, System.String clientDir, System.String workingDir, System.String sdkDir, IAnalyzerAssemblyLoader analyzerLoader, RequestLanguage language, System.Func`5 fallbackCompiler) <0xb7499318 + 0x00216> in <filename unknown>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Program.Main (System.String[] args) <0xb7496ee0 + 0x000b7> in <filename unknown>:0