ci: Move armhf test to Cirrus CI

.cirrus.yml

@@ -10,8 +10,8 @@ env:
   RUSTFLAGS: -D warnings
   RUSTUP_MAX_RETRIES: '10'
 
-linux_task:
-  name: test (aarch64-unknown-linux-gnu)
+aarch64_linux_task:
+  name: test ($TARGET)
   env:
     TARGET: aarch64-unknown-linux-gnu
   arm_container:
@@ -22,18 +22,33 @@ linux_task:
     - cargo test --all --all-features --exclude benchmarks -- --test-threads=1
     - cargo test --all --all-features --exclude benchmarks --release -- --test-threads=1
 
+arm_linux_task:
+  name: test ($TARGET)
+  env:
+    TARGET: armv7-unknown-linux-gnueabihf
+  arm_container:
+    image: rust:latest
+  setup_script:
+    - rustup toolchain add nightly --no-self-update --component rust-src && rustup default nightly
+    - rustup target add "$TARGET"
+    - dpkg --add-architecture armhf
+    - apt-get -o Acquire::Retries=10 -qq update && apt-get -o Acquire::Retries=10 -qq install -y --no-install-recommends gcc-arm-linux-gnueabihf libc6-dev-armhf-cross libc6:armhf
+  test_script:
+    - export CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc
+    - cargo test --all --all-features --exclude benchmarks --target "$TARGET" -Z doctest-xcompile -- --test-threads=1
+    - cargo test --all --all-features --exclude benchmarks --target "$TARGET" -Z doctest-xcompile --release -- --test-threads=1
+
 macos_task:
+  name: test ($TARGET)
   macos_instance:
     image: ghcr.io/cirruslabs/macos-ventura-xcode:latest
   matrix:
-    - name: test (aarch64-apple-darwin)
-      env:
+    - env:
         TARGET: aarch64-apple-darwin
-    - name: test (x86_64-apple-darwin)
-      env:
+    - env:
         TARGET: x86_64-apple-darwin
   setup_script:
-    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain nightly
+    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain none
     - source $HOME/.cargo/env
     - rustup toolchain add nightly-$TARGET && rustup default nightly-$TARGET
   test_script:

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # aarch64/x86_64 macOS and aarch64 linux are tested on Cirrus CI
+        # aarch64/x86_64 macOS and aarch64/arm linux are tested on Cirrus CI
         include:
           - rust: '1.38'
             os: ubuntu-latest
@@ -55,9 +55,6 @@ jobs:
           - rust: nightly
             os: ubuntu-latest
             target: i686-unknown-linux-gnu
-          - rust: nightly
-            os: ubuntu-latest
-            target: armv7-unknown-linux-gnueabihf
           # Test 32-bit target that does not have AtomicU64/AtomicI64.
           - rust: nightly
             os: ubuntu-latest