diff --git a/.github/workflows/rust-problem-matcher.json b/.github/workflows/rust-problem-matcher.json
deleted file mode 100644
index 9117966b..00000000
--- a/.github/workflows/rust-problem-matcher.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-    "problemMatcher": [
-        {
-            "owner": "rust",
-            "pattern": [
-                {
-                    "regexp": "^(?:\\x1b\\[[\\d;]+m)*(warning|warn|error)(?:\\x1b\\[[\\d;]+m)*(\\[(.*)\\])?(?:\\x1b\\[[\\d;]+m)*:(?:\\x1b\\[[\\d;]+m)* ([^\\x1b]*)(?:\\x1b\\[[\\d;]+m)*$",
-                    "severity": 1,
-                    "message": 4,
-                    "code": 3
-                },
-                {
-                    "regexp": "^(?:\\x1b\\[[\\d;]+m)*\\s*(?:\\x1b\\[[\\d;]+m)*\\s*--> (?:\\x1b\\[[\\d;]+m)*(.*):(\\d*):(\\d*)(?:\\x1b\\[[\\d;]+m)*$",
-                    "file": 1,
-                    "line": 2,
-                    "column": 3
-                }
-            ]
-        }
-    ]
-}
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a5caec7a..4633703f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: rustfmt
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
-      - run: cargo fmt --all -- --check
+      - name: Rustfmt Check
+        uses: actions-rust-lang/rustfmt@v1
 
   # Run clippy on stable only
   clippy:
@@ -22,10 +22,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           components: clippy
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
+          rustflags: ""
       - run: cargo clippy --all-features
 
   test-all:
@@ -41,10 +41,9 @@ jobs:
           - nightly
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
       - run: cargo build
       - run: cargo test -q
 
@@ -59,10 +58,9 @@ jobs:
           - 1.74.1
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
       - run: cargo test -q
 
   test-macos:
@@ -76,10 +74,9 @@ jobs:
           - 1.74.1
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
       - run: cargo test -q
 
   test-old:
@@ -94,9 +91,8 @@ jobs:
           - 1.61.0
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
-      - run: echo "::add-matcher::.github/workflows/rust-problem-matcher.json"
       - run: sed -i 's/"rsass-cli",/# \0/' Cargo.toml
       - run: cargo test --package rsass-macros -q
diff --git a/rsass/src/value/number.rs b/rsass/src/value/number.rs
index e722d768..085f22dd 100644
--- a/rsass/src/value/number.rs
+++ b/rsass/src/value/number.rs
@@ -247,7 +247,7 @@ impl<'a> fmt::Display for Formatted<'a, Number> {
             if frac != 0. {
                 let max_decimals = 16 - whole.log10().ceil() as usize;
                 for _ in 1..max_decimals.min(self.format.precision) {
-                    frac *= 10.;
+                    frac = frac * 10.;
                     write!(dec, "{}", (frac as i8).abs())?;
                     frac = frac.fract();
                     if frac == 0. {