Removed old packages, fixed clippy warnings

Cargo.lock

@@ -806,12 +806,10 @@ name = "image-placeholder-generator"
 version = "0.1.0"
 dependencies = [
  "axum",
- "bytes",
  "image",
  "serde",
  "text-to-png",
  "tokio",
- "tokio-util",
  "tower-http",
  "tracing-subscriber",
  "zip",

Cargo.toml

@@ -5,12 +5,10 @@ edition = "2024"
 
 [dependencies]
 axum = "0.8.4"
-bytes = "1"
 image = "0.25.8"
 serde = { version = "1.0.227", features = ["derive"] }
 text-to-png = "0.2.0"
 tokio = { version = "1.47.1", features = ["fs", "rt-multi-thread"] }
-tokio-util = { version = "0.7.16", features = ["io"] }
 tower-http = { version = "0.6.6", features = ["fs", "trace"] }
 tracing-subscriber = "0.3.20"
 zip = "5.1.1"

src/main.rs

@@ -4,7 +4,7 @@ use axum::{
     http::{Response, StatusCode, header},
     routing::post,
 };
-use image::{GenericImage, GenericImageView};
+use image::GenericImage;
 use serde::Deserialize;
 use std::io::{Cursor, Write};
 use tower_http::services::ServeFile;
@@ -78,7 +78,7 @@ fn get_files(options: GenerateOptions) -> Vec<(String, Vec<u8>)> {
 
     for f in options.filenames {
         let mut imgbuf = image::ImageBuffer::new(options.width, options.height);
-        for (x, y, pixel) in imgbuf.enumerate_pixels_mut() {
+        for (_x, _y, pixel) in imgbuf.enumerate_pixels_mut() {
             *pixel = image::Rgba([190, 190, 190, 255]);
         }
 
@@ -103,10 +103,7 @@ fn get_files(options: GenerateOptions) -> Vec<(String, Vec<u8>)> {
         let mut buf = Cursor::new(Vec::new());
         imgbuf.write_to(&mut buf, image::ImageFormat::Png).unwrap();
 
-        files.push((
-            String::from(format!("{}.{}", f, image_file_ending)),
-            buf.into_inner(),
-        ));
+        files.push((format!("{}.{}", f, image_file_ending), buf.into_inner()));
     }
 
     files