Image resizing increases TotalUndisposedAllocationCount #2100

using SixLabors.ImageSharp;
using SixLabors.ImageSharp.Processing;
using SixLabors.ImageSharp.Diagnostics;

var photos = Directory.EnumerateFiles(Environment.GetFolderPath(Environment.SpecialFolder.MyPictures), "*.png", SearchOption.AllDirectories).Take(5);

foreach (var photo in photos)
{
    Console.WriteLine($"Number of undisposed ImageSharp buffers: {MemoryDiagnostics.TotalUndisposedAllocationCount}");

    using (var outputStream = new MemoryStream())
    using (var imageStream = File.OpenRead(photo))
    {
        var (image, format) = await Image.LoadWithFormatAsync(stream: imageStream);

        image
            .Mutate(x =>
                x.Resize(image.Width/2, 0, KnownResamplers.Lanczos3));

        await image.SaveAsync(outputStream, format);

        outputStream.Position = 0;

        Console.WriteLine($"Number of undisposed ImageSharp buffers: {MemoryDiagnostics.TotalUndisposedAllocationCount}");
    }
}