anchor.diff:          /// <param name="workflow">Workflow to be executed.</param>
           /// <param name="cancellationToken">Cancellation token for computation.</param>
           /// <param name="faultPolicy">Fault policy. Defaults to infinite retries.</param>
  -    member __.RunAsync(workflow : Cloud<'T>, ?cancellationToken : ICloudCancellationToken, ?faultPolicy) = async {
  +        member __.RunAsync(workflow : Cloud<'T>, ?cancellationToken : ICloudCancellationToken, ?faultPolicy) = async {
               let! p = __.CreateProcessAsync(workflow, ?cancellationToken = cancellationToken, ?faultPolicy = faultPolicy)
               try
                   return p.AwaitResult()
  
positive.code:         /// <param name="logger">Optional logger to use.</param>
          /// <param name="cancellationToken">Optional cancellation token.</param>
          /// <param name="faultPolicy">Optional fault policy.</param>
      member __.RunLocalAsync(workflow : Cloud<'T>, ?logger : ICloudLogger, ?cancellationToken : CancellationToken, ?faultPolicy : FaultPolicy) : Async<'T> =
              async {
                  let runtimeProvider = ThreadPoolRuntime.Create(?logger = logger, ?faultPolicy = faultPolicy)
              let rsc = resource { yield! resources; yield runtimeProvider :> IDistributionProvider }
                  let! ct = 
                      match cancellationToken with
                      | Some ct -> async { return ct }
                      | None -> Async.CancellationToken
              return! Cloud.ToAsync(workflow, rsc, new InMemoryCancellationToken(ct))
              }
  
          /// <summary>
  
negative.code:     open MBrace.Azure.Runtime
      open MBrace.Azure.Runtime.Info
      open MBrace.Azure.Runtime.Utilities
      open MBrace.Azure.Runtime.Arguments
      open MBrace.Continuation
      open MBrace.Runtime
      open MBrace.Runtime.InMemory
      open MBrace.Store
  
      open System
      open System.Diagnostics
      open System.IO
      open System.Threading
  
      /// <summary>
  