diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index dd64ec1..6b0f839 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-12-17"
+channel = "nightly-2024-11-26"
 components = [ "rustfmt", "clippy" ]
diff --git a/src/aoc2021/day3.rs b/src/aoc2021/day3.rs
index dcc874a..dff767d 100644
--- a/src/aoc2021/day3.rs
+++ b/src/aoc2021/day3.rs
@@ -94,7 +94,7 @@ pub struct MaskedBits<'b> {
     pub line_mask: Vec<bool>,
 }
 
-impl<'b> Deref for MaskedBits<'b> {
+impl Deref for MaskedBits<'_> {
     type Target = OptimizedBits;
 
     fn deref(&self) -> &OptimizedBits {
diff --git a/src/aoc2022/day17.rs b/src/aoc2022/day17.rs
index c171596..84b74c6 100644
--- a/src/aoc2022/day17.rs
+++ b/src/aoc2022/day17.rs
@@ -85,7 +85,7 @@ fn dbg_state(state: &Vec<Vec<bool>>) {
 
 #[inline]
 fn solve(input: &[i32], steps: usize) -> usize {
-    let blocks = vec![
+    let blocks = [
         vec![
             [true, false, false, false],
             [true, false, false, false],
diff --git a/src/aoc2022/day18.rs b/src/aoc2022/day18.rs
index 4489db1..983e0a5 100644
--- a/src/aoc2022/day18.rs
+++ b/src/aoc2022/day18.rs
@@ -83,26 +83,29 @@ fn neighbors(
     z: usize,
     width: usize,
 ) -> impl Iterator<Item = (usize, usize, usize)> {
-    std::iter::from_coroutine(move || {
-        if x > 0 {
-            yield (x - 1, y, z);
-        }
-        if x + 1 < width {
-            yield (x + 1, y, z);
-        }
-        if y > 0 {
-            yield (x, y - 1, z);
-        }
-        if y + 1 < width {
-            yield (x, y + 1, z);
-        }
-        if z > 0 {
-            yield (x, y, z - 1);
-        }
-        if z + 1 < width {
-            yield (x, y, z + 1);
-        }
-    })
+    std::iter::from_coroutine(
+        #[coroutine]
+        move || {
+            if x > 0 {
+                yield (x - 1, y, z);
+            }
+            if x + 1 < width {
+                yield (x + 1, y, z);
+            }
+            if y > 0 {
+                yield (x, y - 1, z);
+            }
+            if y + 1 < width {
+                yield (x, y + 1, z);
+            }
+            if z > 0 {
+                yield (x, y, z - 1);
+            }
+            if z + 1 < width {
+                yield (x, y, z + 1);
+            }
+        },
+    )
 }
 
 struct Cube3D {
diff --git a/src/aoc2022/day19.rs b/src/aoc2022/day19.rs
index d53f336..4562cb3 100644
--- a/src/aoc2022/day19.rs
+++ b/src/aoc2022/day19.rs
@@ -234,37 +234,40 @@ impl State {
         let min_use = bp.min_use;
         let max_use = bp.max_use;
 
-        std::iter::from_coroutine(move || {
-            // not buying
-            let mut ns = self;
-            ns.collect();
-            ns.move_ahead::<STEPS>(min_use);
-            yield ns;
-
-            // buying
-            if let Some(mut next) = self.can_buy(geode_bot) {
-                // directly add all geodes instead of creating a robot
-                next.key.geode += (STEPS - ns.step) as u16;
-                yield next;
-            }
-            if self.key.bot.obsidian < max_use.obsidian {
-                if let Some(mut next) = self.can_buy(obs_bot) {
-                    next.key.bot.obsidian += 1;
+        std::iter::from_coroutine(
+            #[coroutine]
+            move || {
+                // not buying
+                let mut ns = self;
+                ns.collect();
+                ns.move_ahead::<STEPS>(min_use);
+                yield ns;
+
+                // buying
+                if let Some(mut next) = self.can_buy(geode_bot) {
+                    // directly add all geodes instead of creating a robot
+                    next.key.geode += (STEPS - ns.step) as u16;
                     yield next;
                 }
-            }
-            if self.key.bot.clay < max_use.clay {
-                if let Some(mut next) = self.can_buy(clay_bot) {
-                    next.key.bot.clay += 1;
-                    yield next;
+                if self.key.bot.obsidian < max_use.obsidian {
+                    if let Some(mut next) = self.can_buy(obs_bot) {
+                        next.key.bot.obsidian += 1;
+                        yield next;
+                    }
                 }
-            }
-            if self.key.bot.ore < max_use.ore {
-                if let Some(mut next) = self.can_buy(ore_bot) {
-                    next.key.bot.ore += 1;
-                    yield next;
+                if self.key.bot.clay < max_use.clay {
+                    if let Some(mut next) = self.can_buy(clay_bot) {
+                        next.key.bot.clay += 1;
+                        yield next;
+                    }
                 }
-            }
-        })
+                if self.key.bot.ore < max_use.ore {
+                    if let Some(mut next) = self.can_buy(ore_bot) {
+                        next.key.bot.ore += 1;
+                        yield next;
+                    }
+                }
+            },
+        )
     }
 }
diff --git a/src/aoc2023/day3.rs b/src/aoc2023/day3.rs
index f254c58..a37d052 100644
--- a/src/aoc2023/day3.rs
+++ b/src/aoc2023/day3.rs
@@ -36,63 +36,69 @@ impl Entry {
         &'a self,
         grid: &'b Grid<u8>,
     ) -> impl Iterator<Item = (usize, usize)> + 'b {
-        std::iter::from_coroutine(move || {
-            let x = self.x as i32;
-            let y = self.y as i32;
-            let len = self.len as i32;
-
-            maybe_yield!(grid, x - 1, y - 1);
-            for dx in 0..len {
-                maybe_yield!(grid, x + dx, y - 1);
-            }
-            maybe_yield!(grid, x + len, y - 1);
+        std::iter::from_coroutine(
+            #[coroutine]
+            move || {
+                let x = self.x as i32;
+                let y = self.y as i32;
+                let len = self.len as i32;
+
+                maybe_yield!(grid, x - 1, y - 1);
+                for dx in 0..len {
+                    maybe_yield!(grid, x + dx, y - 1);
+                }
+                maybe_yield!(grid, x + len, y - 1);
 
-            maybe_yield!(grid, x - 1, y);
-            maybe_yield!(grid, x + len, y);
+                maybe_yield!(grid, x - 1, y);
+                maybe_yield!(grid, x + len, y);
 
-            maybe_yield!(grid, x - 1, y + 1);
-            for dx in 0..len {
-                maybe_yield!(grid, x + dx, y + 1);
-            }
-            maybe_yield!(grid, x + len, y + 1);
-        })
+                maybe_yield!(grid, x - 1, y + 1);
+                for dx in 0..len {
+                    maybe_yield!(grid, x + dx, y + 1);
+                }
+                maybe_yield!(grid, x + len, y + 1);
+            },
+        )
     }
 }
 
 #[inline]
 fn get_entries(input: &Grid<u8>) -> impl Iterator<Item = Entry> + '_ {
-    std::iter::from_coroutine(move || {
-        let mut current = None;
-        for y in 0..input.height {
-            for x in 0..input.width {
-                let c = *input.get(x, y);
-                if c.is_ascii_digit() {
-                    let digit = (c - b'0') as u32;
-
-                    current = match current {
-                        Some(Entry { x, y, len, value }) => Some(Entry {
-                            x,
-                            y,
-                            len: len + 1,
-                            value: value * 10 + digit,
-                        }),
-                        None => Some(Entry {
-                            x,
-                            y,
-                            len: 1,
-                            value: digit,
-                        }),
+    std::iter::from_coroutine(
+        #[coroutine]
+        move || {
+            let mut current = None;
+            for y in 0..input.height {
+                for x in 0..input.width {
+                    let c = *input.get(x, y);
+                    if c.is_ascii_digit() {
+                        let digit = (c - b'0') as u32;
+
+                        current = match current {
+                            Some(Entry { x, y, len, value }) => Some(Entry {
+                                x,
+                                y,
+                                len: len + 1,
+                                value: value * 10 + digit,
+                            }),
+                            None => Some(Entry {
+                                x,
+                                y,
+                                len: 1,
+                                value: digit,
+                            }),
+                        }
+                    } else if let Some(entry) = current.take() {
+                        yield entry;
                     }
-                } else if let Some(entry) = current.take() {
-                    yield entry;
                 }
             }
-        }
 
-        if let Some(entry) = current {
-            yield entry;
-        }
-    })
+            if let Some(entry) = current {
+                yield entry;
+            }
+        },
+    )
 }
 
 #[derive(Debug, Clone)]
diff --git a/src/grid.rs b/src/grid.rs
index a9a3ea2..5c5117d 100644
--- a/src/grid.rs
+++ b/src/grid.rs
@@ -73,20 +73,23 @@ impl<T> Grid<T> {
     ) -> impl Iterator<Item = (Direction, usize, usize)> {
         let width = self.width;
         let height = self.height;
-        std::iter::from_coroutine(move || {
-            if x != 0 {
-                yield (Direction::West, x - 1, y);
-            }
-            if y != 0 {
-                yield (Direction::North, x, y - 1);
-            }
-            if x != width - 1 {
-                yield (Direction::East, x + 1, y);
-            }
-            if y != height - 1 {
-                yield (Direction::South, x, y + 1);
-            }
-        })
+        std::iter::from_coroutine(
+            #[coroutine]
+            move || {
+                if x != 0 {
+                    yield (Direction::West, x - 1, y);
+                }
+                if y != 0 {
+                    yield (Direction::North, x, y - 1);
+                }
+                if x != width - 1 {
+                    yield (Direction::East, x + 1, y);
+                }
+                if y != height - 1 {
+                    yield (Direction::South, x, y + 1);
+                }
+            },
+        )
     }
 }
 
diff --git a/src/helpers.rs b/src/helpers.rs
index c59c5dd..91d4823 100644
--- a/src/helpers.rs
+++ b/src/helpers.rs
@@ -76,6 +76,7 @@ macro_rules! inner_run {
 }
 
 pub struct TimingData {
+    #[allow(dead_code)]
     pub parsing: Duration,
     pub part1: Duration,
     pub part2: Duration,
diff --git a/src/main.rs b/src/main.rs
index 7afc803..9aebb26 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,7 +3,6 @@
 #![feature(get_many_mut)]
 #![feature(coroutines)]
 #![feature(iter_from_coroutine)]
-#![feature(is_sorted)]
 
 use std::time::Duration;