AutoMapper ProjectTo error repro

Program.cs

using AutoMapper;
using Microsoft.EntityFrameworkCore;

namespace MapRepro
{
    internal class Program
    {
        static void Main(string[] args)
        {
            var config = new MapperConfiguration(cfg =>
            {
                cfg.AddProfile(new TestProfile());
            });
            config.AssertConfigurationIsValid();
            var mapper = config.CreateMapper();
            var context = new ClientContext(new DbContextOptionsBuilder<ClientContext>().UseInMemoryDatabase("Test").Options);
            SeedContext(context);

            // Bar -> Baz -> Widgets.FirstOrDefault()  
            // OKAY
            var resultOkay = mapper.ProjectTo<Models.BarModel>(context.Bars);
            System.Diagnostics.Debug.Assert(resultOkay.First().MyBaz.FirstWidget.Id == 50);

            // Foo -> Bar -> Baz -> Widgets.FirstOrDefault()
            // System.ArgumentException: 'Property 'MapRepro.Entities.Bar Bar' is not defined for type 'MapRepro.Entities.Bar' (Parameter 'property')'
            var resultNotOkay = mapper.ProjectTo<Models.FooModel>(context.Foos);
            System.Diagnostics.Debug.Assert(resultNotOkay.First().MyBar.MyBaz.FirstWidget.Id == 50);

        }

        static void SeedContext(ClientContext context)
        {
            var testBaz = new Entities.Baz() { Id = 1 };
            testBaz.Widgets.Add(new Entities.Widget() { Id = 50 });
            testBaz.Widgets.Add(new Entities.Widget() { Id = 60 });
            var testBar = new Entities.Bar() { Id = 100 };
            testBar.Foos.Add(new Entities.Foo() { Id = 200 });
            testBaz.Bars.Add(testBar);
            context.Bazs.Add(testBaz);
            context.SaveChanges();
        }

    }

    class TestProfile : Profile
    {
        public TestProfile()
        {
            CreateMap<Entities.Foo, Models.FooModel>()
                .ForMember(f => f.MyBar, opts => opts.MapFrom(src => src.Bar))
            ;
            CreateMap<Entities.Bar, Models.BarModel>()
                .ForMember(f => f.MyBaz, opts => opts.MapFrom(src => src.Baz))
            ;
            CreateMap<Entities.Baz, Models.BazModel>()
                .ForMember(f => f.FirstWidget, opts => opts.MapFrom(src => src.Widgets.FirstOrDefault()))
            ;
            CreateMap<Entities.Widget, Models.WidgetModel>();
        }
    }

    class ClientContext : DbContext
    {
        public ClientContext()
        {
        }

        public ClientContext(DbContextOptions<ClientContext> options)
            : base(options)
        {
        }

        public virtual DbSet<Entities.Foo> Foos { get; set; }
        public virtual DbSet<Entities.Bar> Bars { get; set; }
        public virtual DbSet<Entities.Baz> Bazs { get; set; }
        public virtual DbSet<Entities.Widget> Widgets { get; set; }
    }

}

namespace MapRepro.Entities
{

    public class Foo
    {
        public int Id { get; set; }
        public int BarId { get; set; }

        public virtual Bar Bar { get; set; }
    }

    public class Bar
    {
        public Bar()
        {
            Foos = new HashSet<Foo>();
        }

        public int Id { get; set; }
        public int BazId { get; set; }

        public virtual Baz Baz { get; set; }
        public virtual ICollection<Foo> Foos { get; set; }
    }

    public class Baz
    {
        public Baz()
        {
            Bars = new HashSet<Bar>();
            Widgets = new HashSet<Widget>();
        }

        public int Id { get; set; }

        public virtual ICollection<Bar> Bars { get; set; }
        public virtual ICollection<Widget> Widgets { get; set; }
    }
    public partial class Widget
    {
        public int Id { get; set; }
        public int BazId { get; set; }

        public virtual Baz Baz { get; set; }
    }

}

namespace MapRepro.Models
{

    public class FooModel
    {
        public int Id { get; set; }
        public int BarId { get; set; }
        public BarModel MyBar { get; set; }
    }

    public class BarModel
    {
        public int Id { get; set; }
        public int BazId { get; set; }
        public BazModel MyBaz { get; set; }
    }

    public class BazModel
    {
        public int Id { get; set; }
        public WidgetModel FirstWidget { get; set; }
    }

    public class WidgetModel
    {
        public int Id { get; set; }
        public int BazId { get; set; }
    }

}