anchor.diff:  
       let runTest project =
           DotNet.exec (DotNet.Options.withDotNetCliPath dotnetExePath)
  -             (sprintf "%s/bin/%O/netcoreapp2.1/%s.dll" project configuration project)
  -             "--summary"
  +          (sprintf "%s/bin/%O/netcoreapp2.1/%s.dll" project configuration project)
  +          "--summary"
           |> fun r -> if r.ExitCode<>0 then project+".dll failed" |> failwith
           let exeName = sprintf "%s/bin/%O/net461/%s.exe" project configuration project
           let filename, arguments =
  
positive.code: let copyright = "Copyright 2019"
  let mutable dotnetExePath = "dotnet"
  
  let envRequired k =
    let v = Environment.GetEnvironmentVariable k
    if isNull v then failwithf "Missing environment key '%s'." k
    v
  
  BuildServer.install [
    Travis.Installer
  
negative.code:     { p with
          ToolPath = Path.GetFullPath "./.paket/paket"
          WorkingDir = pkgPath
          ApiKey = nugetToken.Value }
    // for f in *.nupkg; do ../.paket/paket push  --api-key $NUGET_TOKEN $f; done
    Paket.push setParams
  
  Target.create "CheckEnv" <| fun _ ->
    ignore nugetToken.Value
    ignore githubToken.Value
  
  Target.create "Release" (fun _ ->
      let gitOwner = "haf"
  