diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5d6115cf..34d2a00b3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,47 +24,29 @@ jobs:
     name: test
     env:
       RUST_VERSION: ${{ matrix.rust }}
+      TARGET: ${{ matrix.target }}
     strategy:
       matrix:
-        crates:
-          - crossbeam
-          - crossbeam-channel
-          - crossbeam-deque
-          - crossbeam-epoch
-          - crossbeam-queue
-          - crossbeam-skiplist
-          - crossbeam-utils
-        rust:
-          - 1.36.0
-          - nightly
-        os:
-         - ubuntu-latest
-         - windows-latest
-    runs-on: ${{ matrix.os }}
+        include:
+          - rust: 1.36.0
+          - rust: nightly
+          # TODO: https://github.com/crossbeam-rs/crossbeam/pull/518#issuecomment-633342606
+          # - rust: nightly
+          #   os: macos-latest
+          - rust: nightly
+            os: windows-latest
+          - rust: nightly
+            target: i686-unknown-linux-gnu
+          - rust: nightly
+            target: aarch64-unknown-linux-gnu
+    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v2
       - 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 ${{ matrix.rust }}
       - name: Test
-        run: ./ci/${{ matrix.crates }}.sh
-
-  # Test crates on non x86_64 architectures.
-  cross:
-    env:
-      TARGET: ${{ matrix.target }}
-    strategy:
-      matrix:
-        target:
-          - i686-unknown-linux-gnu
-          - aarch64-unknown-linux-gnu
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install Rust
-        run: rustup update stable && rustup default stable
-      - name: Test
-        run: ./ci/cross.sh
+        run: ./ci/test.sh
 
   # Check all feature combinations works properly.
   features:
diff --git a/ci/cross.sh b/ci/cross.sh
deleted file mode 100755
index 7034c8661..000000000
--- a/ci/cross.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/..
-set -ex
-
-cargo install cross
-
-cross test --target "$TARGET" --all --exclude benchmarks
diff --git a/ci/crossbeam-channel.sh b/ci/crossbeam-channel.sh
deleted file mode 100755
index 3482365d0..000000000
--- a/ci/crossbeam-channel.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-channel
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test -- --test-threads=1
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    cd benchmarks
-    cargo check --bins
-    cd ..
-
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/crossbeam-deque.sh b/ci/crossbeam-deque.sh
deleted file mode 100755
index fb53ab88c..000000000
--- a/ci/crossbeam-deque.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-deque
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/crossbeam-epoch.sh b/ci/crossbeam-epoch.sh
deleted file mode 100755
index 995f81c0d..000000000
--- a/ci/crossbeam-epoch.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-epoch
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    cargo test --features nightly
-
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-
-    if [[ "$OSTYPE" == "linux"* ]]; then
-        ASAN_OPTIONS="detect_odr_violation=0 detect_leaks=0" \
-        RUSTFLAGS="-Z sanitizer=address" \
-        cargo run \
-            --release \
-            --target x86_64-unknown-linux-gnu \
-            --features sanitize,nightly \
-            --example sanitize
-    fi
-fi
diff --git a/ci/crossbeam-queue.sh b/ci/crossbeam-queue.sh
deleted file mode 100755
index b15303b5b..000000000
--- a/ci/crossbeam-queue.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-queue
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/crossbeam-skiplist.sh b/ci/crossbeam-skiplist.sh
deleted file mode 100755
index 3928d42e4..000000000
--- a/ci/crossbeam-skiplist.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-skiplist
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    cargo test --features nightly
-
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/crossbeam-utils.sh b/ci/crossbeam-utils.sh
deleted file mode 100755
index 4879687de..000000000
--- a/ci/crossbeam-utils.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/../crossbeam-utils
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    cargo test --features nightly
-
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/crossbeam.sh b/ci/crossbeam.sh
deleted file mode 100755
index 99d4483bd..000000000
--- a/ci/crossbeam.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-cd "$(dirname "$0")"/..
-set -ex
-
-export RUSTFLAGS="-D warnings"
-
-cargo check --bins --examples --tests
-cargo test
-
-if [[ "$RUST_VERSION" == "nightly"* ]]; then
-    cargo test --features nightly
-
-    RUSTDOCFLAGS=-Dwarnings cargo doc --no-deps --all-features
-fi
diff --git a/ci/test.sh b/ci/test.sh
new file mode 100755
index 000000000..8a5650dab
--- /dev/null
+++ b/ci/test.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+cd "$(dirname "$0")"/..
+set -ex
+
+export RUSTFLAGS="-D warnings"
+
+if [[ -n "$TARGET" ]]; then
+    # If TARGET is specified, use cross for testing.
+    cargo install cross
+    cross test --all --target "$TARGET" --exclude benchmarks
+
+    # For now, the non-host target only runs tests.
+    exit 0
+fi
+
+# Otherwise, run tests and checks with the host target.
+cargo check --all --bins --examples --tests --exclude benchmarks
+cargo test --all --exclude benchmarks -- --test-threads=1
+
+if [[ "$RUST_VERSION" == "nightly"* ]]; then
+    # Some crates have `nightly` feature, so run tests with --all-features.
+    cargo test --all --all-features --exclude benchmarks -- --test-threads=1
+
+    # Make sure if documents can be generated without warning
+    RUSTDOCFLAGS="-D warnings" cargo doc --no-deps --all --all-features
+
+    # Benchmarks are only checked on nightly because depending on unstable features.
+    cargo check --all --benches
+    cd crossbeam-channel/benchmarks
+    cargo check --bins
+    cd ..
+
+    # Run address sanitizer on crossbeam-epoch
+    # Note: this will be significantly rewritten by https://github.com/crossbeam-rs/crossbeam/pull/591.
+    if [[ "$OSTYPE" == "linux"* ]]; then
+        cd crossbeam-epoch
+        cargo clean
+
+        ASAN_OPTIONS="detect_odr_violation=0 detect_leaks=0" \
+        RUSTFLAGS="-Z sanitizer=address" \
+        cargo run \
+            --release \
+            --target x86_64-unknown-linux-gnu \
+            --features sanitize,nightly \
+            --example sanitize
+
+        cd ..
+    fi
+fi