INFO : 2019-03-08 02:15:54Z - Downloading https://proget.inedo.com/upack/AppVeyor/download/inedox/Git/1.1.1-CI.3 to Git.upack...
INFO : 2019-03-08 02:16:01Z - Server responded with status code 200 - OK
INFO : 2019-03-08 02:16:02Z - HTTP file download completed.
INFO : 2019-03-08 02:16:02Z - Changing "C:\ProgramData\BuildMaster\Temp\Service\_E884\_D0\Git.upack" package version to remove pre-release label...
INFO : 2019-03-08 02:16:13Z - New version: 1.1.1
INFO : 2019-03-08 02:16:18Z - Package version changed.
INFO : 2019-03-08 02:16:18Z - Pushing package  to ProGet...
ERROR: 2019-03-08 02:16:18Z - Unhandled exception: System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Inedo.Extensions.Operations.ProGet.ProGetClient.<PushPackageAsync>d__30.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service\_E591\Src\InedoCore\InedoExtension\Operations\ProGet\ProGetClient.cs:line 199
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.Extensions.Operations.ProGet.PushPackageOperation.<RemoteExecuteAsync>d__52.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service\_E591\Src\InedoCore\InedoExtension\Operations\ProGet\PushPackageOperation.cs:line 160
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.Extensibility.Operations.RemoteExecuteOperation.RemoteExecuteJob.<ExecuteAsync>d__16.MoveNext()
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at Inedo.BuildMaster.Extensibility.Agents.Local.LocalAgent.<>c__DisplayClass4_0.<Inedo.Agents.IRemoteJobExecuter.ExecuteJobAsync>b__0()
   at System.Threading.Tasks.Task`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.Extensibility.Operations.RemoteExecuteOperation.<ExecuteAsync>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.BuildMaster.Windows.ServiceApplication.Executions.PlanExecuter.BuildMasterExecuter.<ExecuteActionAsync>d__41.MoveNext()
---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object.
   at Inedo.Extensions.Operations.ProGet.ProGetClient.<PushPackageAsync>d__30.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service\_E591\Src\InedoCore\InedoExtension\Operations\ProGet\ProGetClient.cs:line 199
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.Extensions.Operations.ProGet.PushPackageOperation.<RemoteExecuteAsync>d__52.MoveNext() in C:\ProgramData\BuildMaster\Temp\Service\_E591\Src\InedoCore\InedoExtension\Operations\ProGet\PushPackageOperation.cs:line 160
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Inedo.Extensibility.Operations.RemoteExecuteOperation.RemoteExecuteJob.<ExecuteAsync>d__16.MoveNext()<---