Trying to load image from within a zip file with bevy 0.12-dev -- seems i cannot

gistfile1.txt

/*
Trying to load an image from within a zip file with bevy 0.12-dev -- seems i cannot 
*/

impl AssetLoader for TerrainPackLoader {
    type Asset = TerrainPack;
    type Settings = (); 
            
            
    fn load<'a>(  
         &'a self,
        reader: &'a mut Reader,
        _settings: &'a (),
        load_context: &'a mut LoadContext,
    ) ->  BoxedFuture<'a, Result<TerrainPack, anyhow::Error>> {   
        Box::pin(async move {
            
          
            
            let mut bytes = Vec::new();
            reader.read_to_end(&mut bytes).await?; 
                        
            let cursor = Cursor::new(bytes);
            
            let archive =  ZipArchive::new(cursor).unwrap();
             
              
             
             let color_texture_reader = archive.by_name("color_texture.png")?;
             let height_texture_reader = archive.by_name("height_texture.png")?;
             let albedo_texture_reader = archive.by_name("albedo_texture.png")?;
             
             //THIS IS AN ERROR BECAUSE LOAD ONLY TAKES A STRING NOT A READER SADLY 
             let mut color_texture = load_context.load( color_texture_reader );
             
             
            let terrain_pack = TerrainPack{
                color_texture,
                height_texture ,
                albedo_texture , 
                
                
            };
            
          
            
            Ok(terrain_pack)
            
        })
    }
    
    //MAKE SURE THIS IS RIGHT 
    fn extensions(&self) -> &[&str] {
        &["mappack"]
    }
}