Prepare for 2024 edition

Signed-off-by: eternal-flame-AD <yume@yumechi.jp>

src/lib.rs

@@ -843,6 +843,7 @@ pub fn register_cancel_handler() {
             }
         }
         unsafe extern "C" fn cancel_handler(_: libc::c_int) {
+            unsafe {
                 let strikes = STRIKES.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
                 log::error!(
                     "Thread blocked for too long, force pthread_exit() (strikes: {}/{})",
@@ -855,6 +856,7 @@ pub fn register_cancel_handler() {
                 }
                 libc::pthread_exit(&sandbox::EXIT_TIMEOUT as *const _ as *mut _);
             }
+        }
 
         if libc::signal(libc::SIGUSR1, cancel_handler as usize) == libc::SIG_ERR {
             log::error!(
@@ -874,7 +876,10 @@ impl<C: UpstreamClient + 'static, S: Sandboxing + Send + Sync + 'static> App<C,
     #[cfg_attr(feature = "cf-worker", worker::send)]
     pub async fn index(State(state): State<Arc<AppState<Upstream, S>>>) -> Response {
         match &state.clone().config.index_redirect {
-            IndexConfig::Redirect { permanent, ref url } => {
+            &IndexConfig::Redirect {
+                ref permanent,
+                ref url,
+            } => {
                 if *permanent {
                     Redirect::permanent(url).into_response()
                 } else {

src/main.rs

@@ -58,8 +58,9 @@ fn interrupt() -> mpsc::Receiver<()> {
 }
 
 fn main() {
+    #[allow(unsafe_code)]
     if std::env::var("RUST_LOG").is_err() {
-        std::env::set_var("RUST_LOG", "info,usvg=error");
+        unsafe { std::env::set_var("RUST_LOG", "info,usvg=error") };
     }
     env_logger::init();
 

src/timing.rs

@@ -10,13 +10,15 @@ pub struct Instant(std::time::Instant);
 impl Instant {
     /// Create a new `Instant` from the current time
     #[cfg(not(target_arch = "wasm32"))]
-    #[must_use] pub fn now() -> Self {
+    #[must_use]
+    pub fn now() -> Self {
         Self(std::time::Instant::now())
     }
 
     /// Get the elapsed time since the instant was created
     #[cfg(not(target_arch = "wasm32"))]
-    #[must_use] pub fn elapsed(&self) -> std::time::Duration {
+    #[must_use]
+    pub fn elapsed(&self) -> std::time::Duration {
         self.0.elapsed()
     }
 }