async Main gotchas

gistfile1.txt

public class Program
    {
        //Not Awaited
        //public static void Main(string[] args) => AsyncMain(args);

        //Awaited #1
        //public static void Main(string[] args) => AsyncMain(args).GetAwaiter().GetResult();

        //Awaited #2
        public static void Main(string[] args) => AsyncMain(args).Wait();

        public static async Task AsyncMain(string[] args)
        {
            var content = await new HttpClient()
                .GetStringAsync("https://github.com");

            Console.WriteLine(content);
        }
    }