diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3dca52497..04aa0e8ad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.79.0
+      - uses: dtolnay/rust-toolchain@1.80.0
       - uses: Swatinem/rust-cache@v2
       - run: cargo test --workspace --no-run
       - run: cargo test --workspace --no-fail-fast
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.79.0
+      - uses: dtolnay/rust-toolchain@1.80.0
         with:
           components: clippy, rustfmt
       - uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 51a27ea91..9add995b6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: dtolnay/rust-toolchain@1.79.0
+    - uses: dtolnay/rust-toolchain@1.80.0
       with:
         target: ${{ matrix.target }}
 
diff --git a/Cargo.toml b/Cargo.toml
index 773544ebb..bfd3b1401 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -140,5 +140,6 @@ codegen-units = 1
 strip = true
 
 [workspace.lints.clippy]
-uninlined_format_args = "warn"
 blocks_in_conditions = "allow"
+mutable_key_type = "allow"
+uninlined_format_args = "warn"
diff --git a/crates/typst-pdf/src/color_font.rs b/crates/typst-pdf/src/color_font.rs
index 4889d9151..6f435d43b 100644
--- a/crates/typst-pdf/src/color_font.rs
+++ b/crates/typst-pdf/src/color_font.rs
@@ -305,7 +305,7 @@ impl<'a, R> Iterator for ColorFontMapIter<'a, R> {
 
 /// A set of at most 256 glyphs (a limit imposed on Type3 fonts by the PDF
 /// specification) that represents a part of a TTF font.
-#[derive(PartialEq, Eq, Hash, Debug, Clone)]
+#[derive(Debug, Clone, Eq, PartialEq, Hash)]
 pub struct ColorFontSlice {
     /// The original TTF font.
     pub font: Font,
diff --git a/crates/typst/src/layout/grid/cells.rs b/crates/typst/src/layout/grid/cells.rs
index 201bf1086..e45d58d41 100644
--- a/crates/typst/src/layout/grid/cells.rs
+++ b/crates/typst/src/layout/grid/cells.rs
@@ -1223,7 +1223,7 @@ impl<'a> CellGrid<'a> {
     /// position. It is guaranteed to have a non-gutter, non-merged cell at
     /// the returned position, due to how the grid is built.
     /// - If the entry at the given position is a cell, returns the given
-    /// position.
+    ///   position.
     /// - If it is a merged cell, returns the parent cell's position.
     /// - If it is a gutter cell, returns None.
     #[track_caller]