[Cake.Frosting] has exit code -1 for any kind of error

[juwens]

Prerequisites

• [X] I have written a descriptive issue title
• [X] I have searched issues to ensure it has not already been reported

Cake runner

Cake Frosting, Cake runner for .NET Core

Cake version

2.0.0

Operating system

Linux, Windows

Operating system architecture

64-Bit

CI Server

gitlab

What are you seeing?

exit code is -1

What is expected?

exit code is > 0 for errors

Steps to Reproduce

simple frosting project

public static class Program
{
    class MyCtx : FrostingContext
    {
        public MyCtx(ICakeContext context) : base(context)
        {
        }
    }
    public static int Main(string[] args)
    {
        return new CakeHost()
            .UseContext<MyCtx>()
            .Run(args);
    }
}

• call with dotnet run -- --target foobar
• exit code is -1

Output log

No response