diff --git a/.cirrus.yml b/.cirrus.yml
index f34e6ab..7628f40 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -14,7 +14,7 @@ env:
 freebsd_task:
   name: test ($TARGET)
   freebsd_instance:
-    image_family: freebsd-12-4
+    image_family: freebsd-13-2
   matrix:
     - env:
         TARGET: x86_64-unknown-freebsd
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 713f346..8e1407e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,9 +65,10 @@ jobs:
       - name: Add rust-src
         if: startsWith(matrix.rust, 'nightly')
         run: rustup component add rust-src
-      - name: Check selected Tier 3 targets
-        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
-        run: cargo check -Z build-std --target=riscv32imc-esp-espidf
+      # TODO: broken due to https://github.com/rust-lang/rust/pull/119026.
+      # - name: Check selected Tier 3 targets
+      #   if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
+      #   run: cargo check -Z build-std --target=riscv32imc-esp-espidf
       - name: Check haiku
         if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
         run: cargo check -Z build-std --target x86_64-unknown-haiku
@@ -127,21 +128,14 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        # When updating this, the reminder to update the minimum supported
-        # Rust version in Cargo.toml.
-        rust: ['1.63']
     steps:
       - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: cargo build
-      - name: Install Other Targets
-        if: startsWith(matrix.os, 'ubuntu')
-        run: rustup target add x86_64-unknown-freebsd x86_64-unknown-netbsd
-      - run: cargo build --target x86_64-unknown-freebsd
+      - name: Install cargo-hack
+        uses: taiki-e/install-action@cargo-hack
+      - run: cargo hack build --no-dev-deps --rust-version
+      - run: cargo hack build --no-dev-deps --rust-version --target x86_64-unknown-freebsd
         if: startsWith(matrix.os, 'ubuntu')
-      - run: cargo build --target x86_64-unknown-netbsd
+      - run: cargo hack build --no-dev-deps --rust-version --target x86_64-unknown-netbsd
         if: startsWith(matrix.os, 'ubuntu')
 
   clippy:
diff --git a/src/iocp/mod.rs b/src/iocp/mod.rs
index 16f9d6f..3800a2c 100644
--- a/src/iocp/mod.rs
+++ b/src/iocp/mod.rs
@@ -1152,7 +1152,7 @@ enum WaitableStatus {
     Idle,
 
     /// We are waiting on this handle to become signaled.
-    Waiting(WaitHandle),
+    Waiting(#[allow(dead_code)] WaitHandle),
 
     /// This handle has been cancelled.
     Cancelled,