diff --git a/crates/cust/src/memory/device/device_buffer.rs b/crates/cust/src/memory/device/device_buffer.rs
index 706b058c..eae9fb4b 100644
--- a/crates/cust/src/memory/device/device_buffer.rs
+++ b/crates/cust/src/memory/device/device_buffer.rs
@@ -320,7 +320,8 @@ impl<A: DeviceCopy + Pod> DeviceBuffer<A> {
     ///   - If either type is a ZST (but not both).
     #[cfg_attr(docsrs, doc(cfg(feature = "bytemuck")))]
     pub fn try_cast<B: Pod + DeviceCopy>(self) -> Result<DeviceBuffer<B>, PodCastError> {
-        if align_of::<B>() > align_of::<A>() && (self.buf.as_raw() as usize) % align_of::<B>() != 0
+        if align_of::<B>() > align_of::<A>()
+            && !(self.buf.as_raw() as usize).is_multiple_of(align_of::<B>())
         {
             Err(PodCastError::TargetAlignmentGreaterAndInputNotAligned)
         } else if size_of::<B>() == size_of::<A>() {
@@ -328,7 +329,7 @@ impl<A: DeviceCopy + Pod> DeviceBuffer<A> {
             Ok(unsafe { transmute::<DeviceBuffer<A>, DeviceBuffer<B>>(self) })
         } else if size_of::<A>() == 0 || size_of::<B>() == 0 {
             Err(PodCastError::SizeMismatch)
-        } else if (size_of::<A>() * self.len) % size_of::<B>() == 0 {
+        } else if (size_of::<A>() * self.len).is_multiple_of(size_of::<B>()) {
             let new_len = (size_of::<A>() * self.len) / size_of::<B>();
             let ret = Ok(DeviceBuffer {
                 buf: self.buf.cast(),
diff --git a/crates/rustc_codegen_nvvm/src/abi.rs b/crates/rustc_codegen_nvvm/src/abi.rs
index eca12b21..60147222 100644
--- a/crates/rustc_codegen_nvvm/src/abi.rs
+++ b/crates/rustc_codegen_nvvm/src/abi.rs
@@ -207,7 +207,12 @@ impl LlvmType for CastTarget {
                 "total size {:?} cannot be divided into units of zero size",
                 self.rest.total
             );
-            if self.rest.total.bytes() % self.rest.unit.size.bytes() != 0 {
+            if !self
+                .rest
+                .total
+                .bytes()
+                .is_multiple_of(self.rest.unit.size.bytes())
+            {
                 assert_eq!(
                     self.rest.unit.kind,
                     RegKind::Integer,
diff --git a/crates/rustc_codegen_nvvm/src/builder.rs b/crates/rustc_codegen_nvvm/src/builder.rs
index bee8d182..f0c402e1 100644
--- a/crates/rustc_codegen_nvvm/src/builder.rs
+++ b/crates/rustc_codegen_nvvm/src/builder.rs
@@ -1056,7 +1056,7 @@ impl<'ll, 'tcx, 'a> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
         todo!()
     }
 
-    fn filter_landing_pad(&mut self, _pers_fn: &'ll Value) -> (&'ll Value, &'ll Value) {
+    fn filter_landing_pad(&mut self, _pers_fn: &'ll Value) {
         todo!()
     }
 
diff --git a/crates/rustc_codegen_nvvm/src/int_replace.rs b/crates/rustc_codegen_nvvm/src/int_replace.rs
index 7b6288eb..dcb584b5 100644
--- a/crates/rustc_codegen_nvvm/src/int_replace.rs
+++ b/crates/rustc_codegen_nvvm/src/int_replace.rs
@@ -77,7 +77,7 @@ pub(crate) fn get_transformed_type<'ll>(
 // going from i64 down.
 pub(crate) fn target_vector_width_and_count(int_width: u32) -> (u32, u32) {
     for &i in WIDTH_CANDIDATES {
-        if int_width % i == 0 {
+        if int_width.is_multiple_of(i) {
             return (i, int_width / i);
         }
     }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 858caf73..fc048980 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2025-06-23"
-components = ["clippy", "llvm-tools-preview", "rust-src", "rustc-dev", "rustfmt", "rust-analyzer"]
\ No newline at end of file
+channel = "nightly-2025-06-30"
+components = ["clippy", "llvm-tools-preview", "rust-src", "rustc-dev", "rustfmt", "rust-analyzer"]