Update Rust nightly, stable.

15 files changed, 83 insertions, 111 deletions

diff --git a/embassy-executor/build_common.rs b/embassy-executor/build_common.rs
index b15a8369f..4f24e6d37 100644
--- a/embassy-executor/build_common.rs
+++ b/embassy-executor/build_common.rs
@@ -92,35 +92,3 @@ pub fn set_target_cfgs(cfgs: &mut CfgSet) {
 
     cfgs.set("has_fpu", target.ends_with("-eabihf"));
 }
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
-pub struct CompilerDate {
-    year: u16,
-    month: u8,
-    day: u8,
-}
-
-impl CompilerDate {
-    fn parse(date: &str) -> Option<Self> {
-        let mut parts = date.split('-');
-        let year = parts.next()?.parse().ok()?;
-        let month = parts.next()?.parse().ok()?;
-        let day = parts.next()?.parse().ok()?;
-        Some(Self { year, month, day })
-    }
-}
-
-impl PartialEq<&str> for CompilerDate {
-    fn eq(&self, other: &&str) -> bool {
-        let Some(other) = Self::parse(other) else {
-            return false;
-        };
-        self.eq(&other)
-    }
-}
-
-impl PartialOrd<&str> for CompilerDate {
-    fn partial_cmp(&self, other: &&str) -> Option<std::cmp::Ordering> {
-        Self::parse(other).map(|other| self.cmp(&other))
-    }
-}
diff --git a/embassy-executor/tests/ui/bad_return_impl_future.stderr b/embassy-executor/tests/ui/bad_return_impl_future.stderr
index 2980fd18b..57f147714 100644
--- a/embassy-executor/tests/ui/bad_return_impl_future.stderr
+++ b/embassy-executor/tests/ui/bad_return_impl_future.stderr
@@ -77,6 +77,22 @@ error[E0277]: task futures must resolve to `()` or `!`
   |    ^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Future<Output = u32> {__task_task}`
   |
   = note: use `async fn` or change the return type to `impl Future<Output = ()>`
+note: required by a bound in `__task_pool_get`
+ --> tests/ui/bad_return_impl_future.rs:4:1
+  |
+4 | #[embassy_executor::task]
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `__task_pool_get`
+  = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: task futures must resolve to `()` or `!`
+ --> tests/ui/bad_return_impl_future.rs:5:4
+  |
+4 | #[embassy_executor::task]
+  | ------------------------- required by a bound introduced by this call
+5 | fn task() -> impl Future<Output = u32> {
+  |    ^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Future<Output = u32> {__task_task}`
+  |
+  = note: use `async fn` or change the return type to `impl Future<Output = ()>`
 note: required by a bound in `task_pool_new`
  --> src/lib.rs
   |
@@ -102,19 +118,3 @@ note: required by a bound in `task_pool_new`
   |         F: TaskFn<Args, Fut = Fut>,
   |            ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `task_pool_new`
   = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
-
-error[E0277]: task futures must resolve to `()` or `!`
- --> tests/ui/bad_return_impl_future.rs:5:4
-  |
-4 | #[embassy_executor::task]
-  | ------------------------- required by a bound introduced by this call
-5 | fn task() -> impl Future<Output = u32> {
-  |    ^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Future<Output = u32> {__task_task}`
-  |
-  = note: use `async fn` or change the return type to `impl Future<Output = ()>`
-note: required by a bound in `__task_pool_get`
- --> tests/ui/bad_return_impl_future.rs:4:1
-  |
-4 | #[embassy_executor::task]
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `__task_pool_get`
-  = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/embassy-executor/tests/ui/return_impl_send.stderr b/embassy-executor/tests/ui/return_impl_send.stderr
index 7e3e468b8..cd693af2b 100644
--- a/embassy-executor/tests/ui/return_impl_send.stderr
+++ b/embassy-executor/tests/ui/return_impl_send.stderr
@@ -77,30 +77,28 @@ error[E0277]: task futures must resolve to `()` or `!`
   |    ^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Send {__task_task}`
   |
   = note: use `async fn` or change the return type to `impl Future<Output = ()>`
-note: required by a bound in `task_pool_new`
- --> src/lib.rs
+note: required by a bound in `__task_pool_get`
+ --> tests/ui/return_impl_send.rs:3:1
   |
-  |     pub const fn task_pool_new<F, Args, Fut, const POOL_SIZE: usize>(_: F) -> TaskPool<Fut, POOL_SIZE>
-  |                  ------------- required by a bound in this function
-  |     where
-  |         F: TaskFn<Args, Fut = Fut>,
-  |                         ^^^^^^^^^ required by this bound in `task_pool_new`
+3 | #[embassy_executor::task]
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `__task_pool_get`
+  = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error[E0277]: task futures must resolve to `()` or `!`
+error[E0277]: `impl Send` is not a future
  --> tests/ui/return_impl_send.rs:3:1
   |
 3 | #[embassy_executor::task]
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Send {__task_task}`
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Send` is not a future
   |
-  = note: use `async fn` or change the return type to `impl Future<Output = ()>`
-note: required by a bound in `task_pool_new`
- --> src/lib.rs
+  = help: the trait `Future` is not implemented for `impl Send`
+note: required by a bound in `TaskPool::<F, N>::_spawn_async_fn`
+ --> src/raw/mod.rs
   |
-  |     pub const fn task_pool_new<F, Args, Fut, const POOL_SIZE: usize>(_: F) -> TaskPool<Fut, POOL_SIZE>
-  |                  ------------- required by a bound in this function
-  |     where
-  |         F: TaskFn<Args, Fut = Fut>,
-  |            ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `task_pool_new`
+  | impl<F: Future + 'static, const N: usize> TaskPool<F, N> {
+  |         ^^^^^^ required by this bound in `TaskPool::<F, N>::_spawn_async_fn`
+...
+  |     pub unsafe fn _spawn_async_fn<FutFn>(&'static self, future: FutFn) -> SpawnToken<impl Sized>
+  |                   --------------- required by a bound in this associated function
   = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: task futures must resolve to `()` or `!`
@@ -112,26 +110,28 @@ error[E0277]: task futures must resolve to `()` or `!`
   |    ^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Send {__task_task}`
   |
   = note: use `async fn` or change the return type to `impl Future<Output = ()>`
-note: required by a bound in `__task_pool_get`
- --> tests/ui/return_impl_send.rs:3:1
+note: required by a bound in `task_pool_new`
+ --> src/lib.rs
   |
-3 | #[embassy_executor::task]
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `__task_pool_get`
-  = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
+  |     pub const fn task_pool_new<F, Args, Fut, const POOL_SIZE: usize>(_: F) -> TaskPool<Fut, POOL_SIZE>
+  |                  ------------- required by a bound in this function
+  |     where
+  |         F: TaskFn<Args, Fut = Fut>,
+  |                         ^^^^^^^^^ required by this bound in `task_pool_new`
 
-error[E0277]: `impl Send` is not a future
+error[E0277]: task futures must resolve to `()` or `!`
  --> tests/ui/return_impl_send.rs:3:1
   |
 3 | #[embassy_executor::task]
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Send` is not a future
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `TaskFn<_>` is not implemented for fn item `fn() -> impl Send {__task_task}`
   |
-  = help: the trait `Future` is not implemented for `impl Send`
-note: required by a bound in `TaskPool::<F, N>::_spawn_async_fn`
- --> src/raw/mod.rs
+  = note: use `async fn` or change the return type to `impl Future<Output = ()>`
+note: required by a bound in `task_pool_new`
+ --> src/lib.rs
   |
-  | impl<F: Future + 'static, const N: usize> TaskPool<F, N> {
-  |         ^^^^^^ required by this bound in `TaskPool::<F, N>::_spawn_async_fn`
-...
-  |     pub unsafe fn _spawn_async_fn<FutFn>(&'static self, future: FutFn) -> SpawnToken<impl Sized>
-  |                   --------------- required by a bound in this associated function
+  |     pub const fn task_pool_new<F, Args, Fut, const POOL_SIZE: usize>(_: F) -> TaskPool<Fut, POOL_SIZE>
+  |                  ------------- required by a bound in this function
+  |     where
+  |         F: TaskFn<Args, Fut = Fut>,
+  |            ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `task_pool_new`
   = note: this error originates in the attribute macro `embassy_executor::task` (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/embassy-nrf/src/uarte.rs b/embassy-nrf/src/uarte.rs
index f377df49e..927a0ac08 100644
--- a/embassy-nrf/src/uarte.rs
+++ b/embassy-nrf/src/uarte.rs
@@ -245,7 +245,7 @@ impl<'d, T: Instance> Uarte<'d, T> {
     }
 
     /// Return the endtx event for use with PPI
-    pub fn event_endtx(&self) -> Event {
+    pub fn event_endtx(&self) -> Event<'_> {
         let r = T::regs();
         Event::from_reg(r.events_endtx())
     }
diff --git a/embassy-rp/src/flash.rs b/embassy-rp/src/flash.rs
index ef1cd9212..8c809090e 100644
--- a/embassy-rp/src/flash.rs
+++ b/embassy-rp/src/flash.rs
@@ -482,7 +482,11 @@ mod ram_helpers {
     /// # Safety
     ///
     /// `boot2` must contain a valid 2nd stage boot loader which can be called to re-initialize XIP mode
-    unsafe fn flash_function_pointers_with_boot2(erase: bool, write: bool, boot2: &[u32; 64]) -> FlashFunctionPointers {
+    unsafe fn flash_function_pointers_with_boot2(
+        erase: bool,
+        write: bool,
+        boot2: &[u32; 64],
+    ) -> FlashFunctionPointers<'_> {
         let boot2_fn_ptr = (boot2 as *const u32 as *const u8).offset(1);
         let boot2_fn: unsafe extern "C" fn() -> () = core::mem::transmute(boot2_fn_ptr);
         FlashFunctionPointers {
diff --git a/embassy-rp/src/relocate.rs b/embassy-rp/src/relocate.rs
index 34487819f..6ff40ddd7 100644
--- a/embassy-rp/src/relocate.rs
+++ b/embassy-rp/src/relocate.rs
@@ -39,7 +39,7 @@ pub struct RelocatedProgram<'a, const PROGRAM_SIZE: usize> {
 }
 
 impl<'a, const PROGRAM_SIZE: usize> RelocatedProgram<'a, PROGRAM_SIZE> {
-    pub fn new_with_origin(program: &Program<PROGRAM_SIZE>, origin: u8) -> RelocatedProgram<PROGRAM_SIZE> {
+    pub fn new_with_origin(program: &Program<PROGRAM_SIZE>, origin: u8) -> RelocatedProgram<'_, PROGRAM_SIZE> {
         RelocatedProgram { program, origin }
     }
 
diff --git a/embassy-stm32/src/can/fd/message_ram/extended_filter.rs b/embassy-stm32/src/can/fd/message_ram/extended_filter.rs
index 453e9056e..ac47901a8 100644
--- a/embassy-stm32/src/can/fd/message_ram/extended_filter.rs
+++ b/embassy-stm32/src/can/fd/message_ram/extended_filter.rs
@@ -115,22 +115,22 @@ impl R {
 impl W {
     #[doc = "Byte 0 - Bits 0:28 - EFID1"]
     #[inline(always)]
-    pub fn efid1(&mut self) -> EFID1_W {
+    pub fn efid1(&mut self) -> EFID1_W<'_> {
         EFID1_W { w: self }
     }
     #[doc = "Byte 0 - Bits 29:31 - EFEC"]
     #[inline(always)]
-    pub fn efec(&mut self) -> EFEC_W {
+    pub fn efec(&mut self) -> EFEC_W<'_> {
         EFEC_W { w: self }
     }
     #[doc = "Byte 1 - Bits 0:28 - EFID2"]
     #[inline(always)]
-    pub fn efid2(&mut self) -> EFID2_W {
+    pub fn efid2(&mut self) -> EFID2_W<'_> {
         EFID2_W { w: self }
     }
     #[doc = "Byte 1 - Bits 30:31 - EFT"]
     #[inline(always)]
-    pub fn eft(&mut self) -> EFT_W {
+    pub fn eft(&mut self) -> EFT_W<'_> {
         EFT_W { w: self }
     }
 }
diff --git a/embassy-stm32/src/can/fd/message_ram/standard_filter.rs b/embassy-stm32/src/can/fd/message_ram/standard_filter.rs
index 3a3bbcf12..f52646bfe 100644
--- a/embassy-stm32/src/can/fd/message_ram/standard_filter.rs
+++ b/embassy-stm32/src/can/fd/message_ram/standard_filter.rs
@@ -115,22 +115,22 @@ impl R {
 impl W {
     #[doc = "Bits 0:10 - SFID2"]
     #[inline(always)]
-    pub fn sfid2(&mut self) -> SFID2_W {
+    pub fn sfid2(&mut self) -> SFID2_W<'_> {
         SFID2_W { w: self }
     }
     #[doc = "Bits 16:26 - SFID1"]
     #[inline(always)]
-    pub fn sfid1(&mut self) -> SFID1_W {
+    pub fn sfid1(&mut self) -> SFID1_W<'_> {
         SFID1_W { w: self }
     }
     #[doc = "Bits 27:29 - SFEC"]
     #[inline(always)]
-    pub fn sfec(&mut self) -> SFEC_W {
+    pub fn sfec(&mut self) -> SFEC_W<'_> {
         SFEC_W { w: self }
     }
     #[doc = "Bits 30:31 - SFT"]
     #[inline(always)]
-    pub fn sft(&mut self) -> SFT_W {
+    pub fn sft(&mut self) -> SFT_W<'_> {
         SFT_W { w: self }
     }
 }
diff --git a/embassy-stm32/src/can/fd/message_ram/txbuffer_element.rs b/embassy-stm32/src/can/fd/message_ram/txbuffer_element.rs
index 455406a1c..6d65a86cb 100644
--- a/embassy-stm32/src/can/fd/message_ram/txbuffer_element.rs
+++ b/embassy-stm32/src/can/fd/message_ram/txbuffer_element.rs
@@ -376,47 +376,47 @@ impl R {
 impl W {
     #[doc = "Byte 0 - Bits 0:28 - ID"]
     #[inline(always)]
-    pub fn id(&mut self) -> ID_W {
+    pub fn id(&mut self) -> ID_W<'_> {
         ID_W { w: self }
     }
     #[doc = "Byte 0 - Bit 29 - RTR"]
     #[inline(always)]
-    pub fn rtr(&mut self) -> RTR_W {
+    pub fn rtr(&mut self) -> RTR_W<'_> {
         RTR_W { w: self }
     }
     #[doc = "Byte 0 - Bit 30 - XTD"]
     #[inline(always)]
-    pub fn xtd(&mut self) -> XTD_W {
+    pub fn xtd(&mut self) -> XTD_W<'_> {
         XTD_W { w: self }
     }
     #[doc = "Byte 0 - Bit 31 - ESI"]
     #[inline(always)]
-    pub fn esi(&mut self) -> ESI_W {
+    pub fn esi(&mut self) -> ESI_W<'_> {
         ESI_W { w: self }
     }
     #[doc = "Byte 1 - Bit 16:19 - DLC"]
     #[inline(always)]
-    pub fn dlc(&mut self) -> DLC_W {
+    pub fn dlc(&mut self) -> DLC_W<'_> {
         DLC_W { w: self }
     }
     #[doc = "Byte 1 - Bit 20 - BRS"]
     #[inline(always)]
-    pub fn brs(&mut self) -> BRS_W {
+    pub fn brs(&mut self) -> BRS_W<'_> {
         BRS_W { w: self }
     }
     #[doc = "Byte 1 - Bit 21 - FDF"]
     #[inline(always)]
-    pub fn fdf(&mut self) -> FDF_W {
+    pub fn fdf(&mut self) -> FDF_W<'_> {
         FDF_W { w: self }
     }
     #[doc = "Byte 1 - Bit 23 - EFC"]
     #[inline(always)]
-    pub fn efc(&mut self) -> EFC_W {
+    pub fn efc(&mut self) -> EFC_W<'_> {
         EFC_W { w: self }
     }
     #[doc = "Byte 1 - Bit 24:31 - MM"]
     #[inline(always)]
-    pub fn mm(&mut self) -> MM_W {
+    pub fn mm(&mut self) -> MM_W<'_> {
         MM_W { w: self }
     }
     #[doc = "Convenience function for setting the data length and frame format"]
diff --git a/embassy-stm32/src/cordic/utils.rs b/embassy-stm32/src/cordic/utils.rs
index 008f50270..9afa8ef53 100644
--- a/embassy-stm32/src/cordic/utils.rs
+++ b/embassy-stm32/src/cordic/utils.rs
@@ -5,7 +5,7 @@ macro_rules! floating_fixed_convert {
     ($f_to_q:ident, $q_to_f:ident, $unsigned_bin_typ:ty, $signed_bin_typ:ty, $float_ty:ty, $offset:literal, $min_positive:literal) => {
         /// convert float point to fixed point format
         pub fn $f_to_q(value: $float_ty) -> Result<$unsigned_bin_typ, NumberOutOfRange> {
-            const MIN_POSITIVE: $float_ty = unsafe { core::mem::transmute($min_positive) };
+            const MIN_POSITIVE: $float_ty = <$float_ty>::from_bits($min_positive);
 
             if value < -1.0 {
                 return Err(NumberOutOfRange::BelowLowerBound)
diff --git a/embassy-stm32/src/tsc/acquisition_banks.rs b/embassy-stm32/src/tsc/acquisition_banks.rs
index 6791ef6c1..7d6442b48 100644
--- a/embassy-stm32/src/tsc/acquisition_banks.rs
+++ b/embassy-stm32/src/tsc/acquisition_banks.rs
@@ -32,7 +32,7 @@ impl AcquisitionBankPins {
     /// Returns an iterator over the pins in this acquisition bank.
     ///
     /// This method allows for easy traversal of all configured pins in the bank.
-    pub fn iter(&self) -> AcquisitionBankPinsIterator {
+    pub fn iter(&self) -> AcquisitionBankPinsIterator<'_> {
         AcquisitionBankPinsIterator(AcquisitionBankIterator::new(self))
     }
 }
@@ -90,7 +90,7 @@ impl<'a> Iterator for AcquisitionBankPinsIterator<'a> {
 
 impl AcquisitionBankPins {
     /// Returns an iterator over the available pins in the bank
-    pub fn pins_iterator(&self) -> AcquisitionBankPinsIterator {
+    pub fn pins_iterator(&self) -> AcquisitionBankPinsIterator<'_> {
         AcquisitionBankPinsIterator(AcquisitionBankIterator::new(self))
     }
 }
@@ -107,7 +107,7 @@ pub struct AcquisitionBank {
 
 impl AcquisitionBank {
     /// Returns an iterator over the available pins in the bank.
-    pub fn pins_iterator(&self) -> AcquisitionBankPinsIterator {
+    pub fn pins_iterator(&self) -> AcquisitionBankPinsIterator<'_> {
         self.pins.pins_iterator()
     }
 
diff --git a/embassy-sync/src/pubsub/mod.rs b/embassy-sync/src/pubsub/mod.rs
index 606efff0a..9206b9383 100644
--- a/embassy-sync/src/pubsub/mod.rs
+++ b/embassy-sync/src/pubsub/mod.rs
@@ -88,7 +88,7 @@ impl<M: RawMutex, T: Clone, const CAP: usize, const SUBS: usize, const PUBS: usi
     /// Create a new subscriber. It will only receive messages that are published after its creation.
     ///
     /// If there are no subscriber slots left, an error will be returned.
-    pub fn subscriber(&self) -> Result<Subscriber<M, T, CAP, SUBS, PUBS>, Error> {
+    pub fn subscriber(&self) -> Result<Subscriber<'_, M, T, CAP, SUBS, PUBS>, Error> {
         self.inner.lock(|inner| {
             let mut s = inner.borrow_mut();
 
@@ -120,7 +120,7 @@ impl<M: RawMutex, T: Clone, const CAP: usize, const SUBS: usize, const PUBS: usi
     /// Create a new publisher
     ///
     /// If there are no publisher slots left, an error will be returned.
-    pub fn publisher(&self) -> Result<Publisher<M, T, CAP, SUBS, PUBS>, Error> {
+    pub fn publisher(&self) -> Result<Publisher<'_, M, T, CAP, SUBS, PUBS>, Error> {
         self.inner.lock(|inner| {
             let mut s = inner.borrow_mut();
 
@@ -151,13 +151,13 @@ impl<M: RawMutex, T: Clone, const CAP: usize, const SUBS: usize, const PUBS: usi
 
     /// Create a new publisher that can only send immediate messages.
     /// This kind of publisher does not take up a publisher slot.
-    pub fn immediate_publisher(&self) -> ImmediatePublisher<M, T, CAP, SUBS, PUBS> {
+    pub fn immediate_publisher(&self) -> ImmediatePublisher<'_, M, T, CAP, SUBS, PUBS> {
         ImmediatePublisher(ImmediatePub::new(self))
     }
 
     /// Create a new publisher that can only send immediate messages.
     /// This kind of publisher does not take up a publisher slot.
-    pub fn dyn_immediate_publisher(&self) -> DynImmediatePublisher<T> {
+    pub fn dyn_immediate_publisher(&self) -> DynImmediatePublisher<'_, T> {
         DynImmediatePublisher(ImmediatePub::new(self))
     }
 
diff --git a/embassy-usb/src/class/web_usb.rs b/embassy-usb/src/class/web_usb.rs
index 405944f14..154b219ca 100644
--- a/embassy-usb/src/class/web_usb.rs
+++ b/embassy-usb/src/class/web_usb.rs
@@ -84,7 +84,7 @@ impl<'d> Control<'d> {
 }
 
 impl<'d> Handler for Control<'d> {
-    fn control_in(&mut self, req: Request, _data: &mut [u8]) -> Option<InResponse> {
+    fn control_in(&mut self, req: Request, _data: &mut [u8]) -> Option<InResponse<'_>> {
         let landing_value = if self.landing_url.is_some() { 1 } else { 0 };
         if req.request_type == RequestType::Vendor
             && req.recipient == Recipient::Device
diff --git a/rust-toolchain-nightly.toml b/rust-toolchain-nightly.toml
index e75ea40cc..411cc6946 100644
--- a/rust-toolchain-nightly.toml
+++ b/rust-toolchain-nightly.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2025-03-12"
+channel = "nightly-2025-06-29"
 components = [ "rust-src", "rustfmt", "llvm-tools", "miri" ]
 targets = [
     "thumbv7em-none-eabi",
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 870904c3a..e24864037 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.85"
+channel = "1.88"
 components = [ "rust-src", "rustfmt", "llvm-tools" ]
 targets = [
     "thumbv7em-none-eabi",