Merge pull request #327 from cuviper/msrv-libc

Downgrade libc for CI

Author: cuviper

.github/workflows/ci.yaml

@@ -31,14 +31,16 @@ jobs:
   i686:
     name: Test (i686)
     runs-on: ubuntu-latest
+    env:
+      CARGO_BUILD_TARGET: i686-unknown-linux-gnu
     steps:
       - run: |
           sudo apt-get update
           sudo apt-get install gcc-multilib
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable-i686-unknown-linux-gnu
+          target: i686-unknown-linux-gnu
       - run: cargo build
       - run: ./ci/test_full.sh
 

ci/test_full.sh

@@ -37,6 +37,8 @@ fi
 # arbitrary 1.1.4 started using array::from_fn
 check_version 1.63.0 || cargo update -p arbitrary --precise 1.1.3
 
+check_version 1.63.0 || cargo update -p libc --precise 0.2.163
+
 set -x
 
 # test the default with std
@@ -81,9 +83,16 @@ case "${STD_FEATURES[*]}" in
       cd ci/big_serde
       cargo test
     ) ;;&
-  *rand*) cargo test --manifest-path ci/big_rand/Cargo.toml ;;&
+  *rand*) (
+      cd ci/big_rand
+      check_version 1.63.0 || cargo update -p libc --precise 0.2.163
+      check_version 1.61.0 || cargo update -p ppv-lite86 --precise 0.2.17
+      cargo test
+    ) ;;&
   *quickcheck*) (
       cd ci/big_quickcheck
+      check_version 1.63.0 || cargo update -p libc --precise 0.2.163
+      check_version 1.61.0 || cargo update -p syn --precise 2.0.67
       cargo test
     ) ;;&
 esac