ci: use a fixed stable on 1.25.x (tokio-rs#5732)

.circleci/config.yml

@@ -6,7 +6,7 @@ jobs:
     resource_class: arm.medium
     environment:
       # Change to pin rust version
-      RUST_STABLE: stable
+      RUST_STABLE: 1.67.1
     steps:
       - checkout
       - run:

.cirrus.yml

@@ -1,7 +1,9 @@
+only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'master' || $CIRRUS_BRANCH =~ 'tokio-.*')
+auto_cancellation: $CIRRUS_BRANCH != 'master' && $CIRRUS_BRANCH !=~ 'tokio-.*'
 freebsd_instance:
-  image: freebsd-12-4-release-amd64
+  image_family: freebsd-13-1
 env:
-  RUST_STABLE: stable
+  RUST_STABLE: 1.67.1
   RUST_NIGHTLY: nightly-2022-10-25
   RUSTFLAGS: -D warnings
 
@@ -11,9 +13,8 @@ env:
 # the system's binaries, so the environment shouldn't matter.
 task:
   name: FreeBSD 64-bit
-  auto_cancellation: $CIRRUS_BRANCH != 'master' && $CIRRUS_BRANCH !=~ 'tokio-.*'
   setup_script:
-    - pkg install -y bash curl
+    - pkg install -y bash
     - curl https://sh.rustup.rs -sSf --output rustup.sh
     - sh rustup.sh -y --profile minimal --default-toolchain $RUST_STABLE
     - . $HOME/.cargo/env
@@ -26,12 +27,11 @@ task:
 
 task:
   name: FreeBSD docs
-  auto_cancellation: $CIRRUS_BRANCH != 'master' && $CIRRUS_BRANCH !=~ 'tokio-.*'
   env:
     RUSTFLAGS: --cfg docsrs --cfg tokio_unstable
     RUSTDOCFLAGS: --cfg docsrs --cfg tokio_unstable -Dwarnings
   setup_script:
-    - pkg install -y bash curl
+    - pkg install -y bash
     - curl https://sh.rustup.rs -sSf --output rustup.sh
     - sh rustup.sh -y --profile minimal --default-toolchain $RUST_NIGHTLY
     - . $HOME/.cargo/env
@@ -44,9 +44,8 @@ task:
 
 task:
   name: FreeBSD 32-bit
-  auto_cancellation: $CIRRUS_BRANCH != 'master' && $CIRRUS_BRANCH !=~ 'tokio-.*'
   setup_script:
-    - pkg install -y bash curl
+    - pkg install -y bash
     - curl https://sh.rustup.rs -sSf --output rustup.sh
     - sh rustup.sh -y --profile minimal --default-toolchain $RUST_STABLE
     - . $HOME/.cargo/env

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ env:
   RUSTFLAGS: -Dwarnings
   RUST_BACKTRACE: 1
   # Change to specific Rust release to pin
-  rust_stable: stable
+  rust_stable: 1.67.1
   rust_nightly: nightly-2022-11-03
   rust_clippy: 1.65.0
   # When updating this, also update:
@@ -349,19 +349,6 @@ jobs:
         with:
           toolchain: ${{ env.rust_min }}
       - uses: Swatinem/rust-cache@v2
-      # First compile just the main tokio crate with minrust and newest version
-      # of all dependencies, then pin once_cell and compile the rest of the
-      # crates with the pinned once_cell version.
-      #
-      # This is necessary because tokio-util transitively depends on once_cell,
-      # which is not compatible with the current minrust after the 1.15.0
-      # release.
-      - name: "check -p tokio --all-features"
-        run: cargo check -p tokio --all-features
-        env:
-          RUSTFLAGS: "" # remove -Dwarnings
-      - name: "pin once_cell version"
-        run: cargo update -p once_cell --precise 1.14.0
       - name: "check --workspace --all-features"
         run: cargo check --workspace --all-features
         env: