anchor.diff:      with
       | exn -> traceWarnfn "Could not fix timestamps in %s. Error: %s" fileName exn.Message
   
  +let fixArchive fileName =
  +    if isMonoRuntime then fixDatesInArchive fileName
  +
   let findLocalPackage directory (packageName:PackageName) (version:SemVerInfo) = 
       let v1 = FileInfo(Path.Combine(directory, sprintf "%O.%O.nupkg" packageName version))
       if v1.Exists then v1 else
  
positive.code:         let di = getDirectoryInfo localNugetPath root
          let nupkg = findLocalPackage di.FullName packageName version
          
          fixDatesInArchive nupkg.FullName
          use zipToCreate = new FileStream(nupkg.FullName, FileMode.Open)
          use zip = new ZipArchive(zipToCreate,ZipArchiveMode.Read)
          
  
negative.code:             raise exn
              return! getDetailsFromNuGetViaOData auth nugetURL packageName version
      } 
  
  let fixDatesInArchive fileName =
      try
          use zipToOpen = new FileStream(fileName, FileMode.Open)
  