diff --git a/.cirrus.yml b/.cirrus.yml
index a0c8143..b967fac 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -1,10 +1,8 @@
-only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'master')
+only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'taiki-e/ci')
 auto_cancellation: $CIRRUS_BRANCH != 'master'
 env:
   CARGO_INCREMENTAL: '0'
-  CARGO_NET_GIT_FETCH_WITH_CLI: 'true'
   CARGO_NET_RETRY: '10'
-  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: 'sparse'
   CARGO_TERM_COLOR: always
   RUST_BACKTRACE: '1'
   RUSTDOCFLAGS: -D warnings
@@ -23,7 +21,6 @@ freebsd_task:
   setup_script:
     # https://github.com/cirruslabs/cirrus-ci-docs/issues/483
     - sudo sysctl net.inet.tcp.blackhole=0
-    - pkg install -y git
     - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable --target $TARGET
   test_script:
     - . $HOME/.cargo/env
@@ -39,7 +36,6 @@ netbsd_task:
   env:
     TARGET: x86_64-unknown-netbsd
   setup_script:
-    - pkgin -y install git
     - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable
   test_script:
     - . $HOME/.cargo/env
@@ -56,6 +52,7 @@ openbsd_task:
     TARGET: x86_64-unknown-openbsd
   setup_script:
     # OpenBSD is tier 3 target, so install rust from package manager instead of rustup
-    - pkg_add git rust
+    - pkg_add rust
+    - rustc -Vv
   test_script:
     - cargo test
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 069f965..c600c4f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
   push:
     branches:
-      - master
+      - taiki-e/ci
   schedule:
     - cron: '0 2 * * 0'
 
@@ -31,78 +31,55 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        target: ['']
         os: [ubuntu-latest, windows-latest, macos-latest]
         rust: [nightly, beta, stable]
+        include:
+          - os: windows-latest
+            rust: nightly-x86_64-pc-windows-gnu
+          - os: windows-latest
+            rust: nightly-i686-pc-windows-msvc
+          - os: windows-latest
+            rust: nightly-i686-pc-windows-gnu
+          - os: ubuntu-latest
+            rust: nightly
+            target: arm-linux-androideabi@21 # epoll_create1 requires API level 21+
+          - os: ubuntu-latest
+            rust: nightly
+            target: x86_64-pc-windows-gnu # Wine
     steps:
       - uses: actions/checkout@v3
       - 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 }}
+      - name: Install cargo-hack
+        uses: taiki-e/install-action@cargo-hack
+      - uses: taiki-e/setup-cross-toolchain-action@more
+        with:
+          target: ${{ matrix.target }}
+        if: matrix.target != ''
       - run: cargo build --all --all-features --all-targets
-      - name: Run cargo check (without dev-dependencies to catch missing feature flags)
-        if: startsWith(matrix.rust, 'nightly')
-        run: cargo check -Z features=dev_dep
       - run: cargo test
+      - run: cargo hack build --feature-powerset --no-dev-deps
 
-  # Copied from: https://github.com/rust-lang/stacker/pull/19/files
-  windows_gnu:
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        rust: [nightly]
-        target:
-          - x86_64-pc-windows-gnu
-    steps:
-      - uses: actions/checkout@v3
-      - 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: rustup target add ${{ matrix.target }}
-      # https://github.com/rust-lang/rust/issues/49078
-      - name: Fix windows-gnu rust-mingw
-        run : |
-          for i in crt2.o dllcrt2.o libmingwex.a libmsvcrt.a ; do
-            cp -f "/C/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/x86_64-w64-mingw32/lib/$i" "`rustc --print sysroot`/lib/rustlib/x86_64-pc-windows-gnu/lib"
-          done
-      - run: cargo build --target ${{ matrix.target }} --all --all-features --all-targets
-      - run: cargo test --target ${{ matrix.target }}
-
+  # Android and Windows are tested in test job.
+  # BSDs are tested in Cirrus CI.
   cross:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
     - name: Install Rust
       run: rustup update stable
-    - name: Install cross
-      uses: taiki-e/install-action@cross
-    # We don't test BSDs, since we already test them in Cirrus.
-    - name: Android
-      if: startsWith(matrix.os, 'ubuntu')
-      run: cross test --target arm-linux-androideabi
+    - name: Install Targets
+      run: rustup target add aarch64-apple-ios x86_64-unknown-linux-gnux32 x86_64-unknown-fuchsia x86_64-unknown-illumos
     - name: iOS
-      if: startsWith(matrix.os, 'macos')
-      run: |
-        rustup target add aarch64-apple-ios
-        cross build --target aarch64-apple-ios
+      run: cargo build --target aarch64-apple-ios
     - name: Linux x32
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-linux-gnux32
-        cross check --target x86_64-unknown-linux-gnux32
+      run: cargo build --target x86_64-unknown-linux-gnux32
     - name: Fuchsia
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-fuchsia
-        cargo build --target x86_64-unknown-fuchsia
+      run: cargo build --target x86_64-unknown-fuchsia
     - name: illumos
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-illumos
-        cargo build --target x86_64-unknown-illumos
+      run: cargo build --target x86_64-unknown-illumos
 
   msrv:
     runs-on: ${{ matrix.os }}
@@ -119,6 +96,13 @@ jobs:
         # --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
+        if: startsWith(matrix.os, 'ubuntu')
+      - run: cargo build --target x86_64-unknown-netbsd
+        if: startsWith(matrix.os, 'ubuntu')
 
   clippy:
     runs-on: ubuntu-latest