The service threw an unhandled exception: System.UnhandledExceptionEventArgs

[KillyMXI]

This is exactly what I got in my console:

The service threw an unhandled exception: System.UnhandledExceptionEventArgs

e.ToString() haven't done what was expected in this case. From my understanding of the situation, UnhandledExceptionEventArgs can be tricky.
Either it is e.Exception.ToString() that should be written there, or some manually constructed message (I often find it useful to log InnerException right away, if available.)

DotNetCore.WindowsService/Source/PeterKottas.DotNetCore.WindowsService/ConsoleServiceHost.cs

Line 126 in 4c0052b

Console.WriteLine("The service threw an unhandled exception: {0}", e.ToString());

[PeterKottas]

Yep you're totally right, I'll fix this once we accumulate a few more issues.