Update rust toolchain

app/src/main/rust/Cargo.toml

@@ -16,7 +16,7 @@ regex-lite = "0.1"
 jni = { version = "0.21", optional = true }
 jni_fn = { version = "0.1", optional = true }
 chrono = { version = "0.4", default-features = false, features = ["std"] }
-quick-xml = { default-features = false, version = "0.40" }
+quick-xml = { default-features = false, version = "0.41" }
 tl = { git = "https://github.com/FooIbar/tl.git", features = ["simd"] }
 log = "0.4"
 android_logger = { default-features = false, version = "0.15" }

app/src/main/rust/src/img/qr_code.rs

@@ -9,20 +9,20 @@ use std::f32::consts::FRAC_1_SQRT_2;
 
 fn image_buffer_to_luma8<P: CustomPixel>(
     src: &ImageBuffer<P, &[P::Subpixel]>,
-) -> Luma8LuminanceSource {
+) -> Result<Luma8LuminanceSource> {
     let (w, h) = src.dimensions();
     let mut dst = GrayImage::new(w, h);
     for (to, from) in dst.pixels_mut().zip(src.pixels()) {
         *to = from.to_luma8();
     }
-    Luma8LuminanceSource::new(dst.into_raw(), w, h)
+    Ok(Luma8LuminanceSource::new(dst.into_raw(), w, h)?)
 }
 
 pub struct QrCode;
 
 impl ImageConsumer<bool> for QrCode {
     fn apply<P: CustomPixel>(self, image: &ImageBuffer<P, &[P::Subpixel]>) -> Result<bool> {
-        let source = image_buffer_to_luma8(image);
+        let source = image_buffer_to_luma8(image)?;
         let image = BinaryBitmap::new(HybridBinarizer::new(source));
         match FinderPatternFinder::new(image.get_black_matrix()).find(&DecodeHints::default()) {
             Ok(info) => {

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2026-05-15"
+channel = "nightly-2026-08-22"
 components = ["rustfmt", "clippy", "rust-src"]
 targets = ["aarch64-linux-android", "x86_64-linux-android"]
 profile = "minimal"