self.images_to_check.par_iter_mut().map(|file_entry| {
            let image = match image::open(file_entry.path.clone()) {
                Ok(t) => t,
                Err(_) => return, // Something is wrong with image
            };
            let dimensions = image.dimensions();

            file_entry.dimensions = format!("{}x{}", dimensions.0, dimensions.1);
            let hasher = HasherConfig::with_bytes_type::<[u8; 8]>().to_hasher();

            let hash = hasher.hash_image(&image);
            let mut buf = [0u8; 8];
            buf.copy_from_slice(&hash.as_bytes());

            self.bktree.add(buf);
            self.image_hashes.entry(buf).or_insert_with(Vec::<FileEntry>::new);
            self.image_hashes.get_mut(&buf).unwrap().push(file_entry.clone());
        });