ci: fix msrv checks

.github/workflows/ci.yml

@@ -58,24 +58,17 @@ jobs:
         with:
           toolchain: ${{ matrix.version.version }}
 
-      - name: Install cargo-hack and cargo-ci-cache-clean
+      - name: Install just, cargo-hack, cargo-ci-cache-clean
         uses: taiki-e/install-action@v2.28.1
         with:
-          tool: cargo-hack,cargo-ci-cache-clean
+          tool: just,cargo-hack,cargo-ci-cache-clean
 
       - name: Generate Cargo.lock
         run: cargo generate-lockfile
 
       - name: workaround MSRV issues
         if: matrix.version.name == 'msrv'
-        run: |
+        run: just downgrade-msrv
-          cargo update -p=ahash --precise=0.8.7
-          cargo update -p=ciborium --precise=0.2.1
-          cargo update -p=ciborium-ll --precise=0.2.1
-          cargo update -p=time --precise=0.3.16
-          cargo update -p=clap --precise=4.3.24
-          cargo update -p=clap_lex --precise=0.5.0
-          cargo update -p=anstyle --precise=1.0.2
 
       - name: check lib
         if: >

Cargo.toml

@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "actix-codec",
   "actix-macros",
@@ -12,7 +13,6 @@ members = [
   "local-channel",
   "local-waker",
 ]
-resolver = "2"
 
 [workspace.package]
 license = "MIT OR Apache-2.0"

justfile

@@ -1,6 +1,18 @@
 _list:
     @just --list
 
+# Downgrade dev-dependencies necessary to run MSRV checks/tests.
+[private]
+downgrade-msrv:
+    cargo update -p=ahash --precise=0.8.7
+    cargo update -p=ciborium --precise=0.2.1
+    cargo update -p=ciborium-ll --precise=0.2.1
+    cargo update -p=time --precise=0.3.16
+    cargo update -p=clap --precise=4.3.24
+    cargo update -p=clap_lex --precise=0.5.0
+    cargo update -p=anstyle --precise=1.0.2
+    cargo update -p=trybuild --precise=1.0.89
+
 # Document crates in workspace.
 doc:
     RUSTDOCFLAGS="--cfg=docsrs" cargo +nightly doc --no-deps --workspace --features=rustls,openssl