Update no_atomic.rs and CI config (#124)

Co-authored-by: Taiki Endo <[email protected]>

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update stable
       - run: cargo test --all-features --workspace
@@ -28,11 +28,9 @@ jobs:
   minrust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: ${{ env.minrust }}
-          override: true
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        run: rustup update ${{ env.minrust }} && rustup default ${{ env.minrust }}
       - run: cargo check --workspace --all-features
 
   no-std:
@@ -48,7 +46,7 @@ jobs:
           - riscv32i-unknown-none-elf
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update stable
       - name: Install cargo-hack
@@ -62,7 +60,7 @@ jobs:
   features:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update stable
       - name: Install cargo-hack
@@ -73,9 +71,9 @@ jobs:
   codegen:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
-        run: rustup update nightly && rustup default nightly
+        run: rustup update stable
       - run: ci/no_atomic.sh
       - run: git add -N . && git diff --exit-code
         if: github.repository_owner != 'tokio-rs' || github.event_name != 'schedule'
@@ -105,15 +103,15 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update stable
       - run: cargo fmt --all -- --check
 
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update nightly && rustup default nightly
       - run: cargo doc --no-deps --all-features

ci/no_atomic.sh

@@ -13,8 +13,9 @@ file="valuable/no_atomic.rs"
 no_atomic_cas=()
 no_atomic_64=()
 no_atomic=()
-for target in $(rustc --print target-list); do
-    target_spec=$(rustc --print target-spec-json -Z unstable-options --target "${target}")
+for target_spec in $(RUSTC_BOOTSTRAP=1 rustc +stable -Z unstable-options --print all-target-specs-json | jq -c '. | to_entries | .[]'); do
+    target=$(jq <<<"${target_spec}" -r '.key')
+    target_spec=$(jq <<<"${target_spec}" -c '.value')
     res=$(jq <<<"${target_spec}" -r 'select(."atomic-cas" == false)')
     [[ -z "${res}" ]] || no_atomic_cas+=("${target}")
     max_atomic_width=$(jq <<<"${target_spec}" -r '."max-atomic-width"')