Weaving fails: "Process must exit before requested information can be determined."

[dittodhole]

1> Fody/SemVer.Svn: Starting search for repository in ProjectDir: W:\work\ImtechCommon\trunk\packages\src\cargonet.Broadcast\trunk\cargonet.Broadcast.Net40
1> Fody/SemVer.Svn: Patching version using: W:\work\ImtechCommon\trunk\packages\src\cargonet.Broadcast\trunk\Packages\SemVer.Svn.Fody.1.0.0-alpha10\verpatch.exe "W:\work\ImtechCommon\trunk\packages\src\cargonet.Broadcast\trunk\cargonet.Broadcast.Net40\obj\Debug\cargonet.Broadcast.Net40.dll" /high 0.0.0.0
1>MSBUILD : error : Fody: An unhandled exception occurred:
1>MSBUILD : error : Exception:
1>MSBUILD : error : Process must exit before requested information can be determined.
1>MSBUILD : error : StackTrace:
1>MSBUILD : error : at System.Diagnostics.Process.EnsureState(State state)
1>MSBUILD : error : at System.Diagnostics.Process.get_ExitCode()
1>MSBUILD : error : at SemVer.Fody.ModuleWeaver.PatchVersionOfAssembly(String assemblyFullFileName, Version assemblyVersion, String addinDirectoryPath)
1>MSBUILD : error : at SemVer.Fody.ModuleWeaver.PatchVersionOfAssemblyTheSemVerWay(XElement config, String assemblyFullFileName, String addinDirectoryPath, String solutionPath, String projectPath)
1>MSBUILD : error : at SemVer.Fody.ModuleWeaver.AfterWeaving()
1>MSBUILD : error : at lambda_method(Closure , Object )
1>MSBUILD : error : at InnerWeaver.ExecuteAfterWeavers() in C:\projects\fody\FodyIsolated\InnerWeaver.cs:line 187
1>MSBUILD : error : at InnerWeaver.Execute() in C:\projects\fody\FodyIsolated\InnerWeaver.cs:line 86
1>MSBUILD : error : Source:
1>MSBUILD : error : System
1>MSBUILD : error : TargetSite:
1>MSBUILD : error : Void EnsureState(State)
1>MSBUILD : error :
1> Fody: Finished Fody 37ms.