Use Rust 1.81+

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,28 @@
+## The Problem
+
+[ What are you trying to solve? Why are you trying to solve it? ]
+
+## The Solution
+
+[ How are you fixing the problem? High-level explanation. ]
+
+### Changes
+
+[ A more detailed explanation of the solution to guide reviewers. Point out tricky or magic areas. ]
+
+### Planned version bump
+
+- Which: [ `MAJOR`, `MINOR`, `PATCH` ]
+- Why: [ non-breaking bug fix, doc change, test coverage, formatting, debugging, profiling, security fix, internal change, experimental change, non-breaking new functionality, breaking change, etc ]
+
+### Links
+
+* [ Any important other PRs, Issues, PRs, etc? ]
+
+## Notes
+
+[ @mentions for anyone who should be alerted to this PR ]
+
+[ **Please assign reviewers if you want someone specific to review this** ]
+
+[ **Please do not forget to add labels specific to this PR** ]

.github/workflows/tests.yml

@@ -4,40 +4,33 @@ on:
   push:
   pull_request:
   workflow_dispatch:
-    # used when called manually.
-  workflow_call:
-    # used when called by _another_ workflow (not when called on this repo!)
 
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust-toolchain:
+          - "1.81" # minimum for this crate
+          - "stable"
+          - "nightly"
     steps:
-      - uses: actions/checkout@v4 # not pinning to commit since this is a GitHub action, which we trust
-      - id: cache-cargo
-        name: Cache Cargo toolchain
-        uses: actions/cache@v4 # not pinning to commit since this is a GitHub action, which we trust
+      - uses: actions/checkout@v4 # not pinning to commit hash since this is a GitHub action, which we trust
+      - uses: actions-rust-lang/setup-rust-toolchain@9d7e65c320fdb52dcd45ffaa68deb6c02c8754d9 # v1.12.0
         with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-release
-      - if: ${{ steps.cache-cargo.outputs.cache-hit != 'true' }}
-        name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1 # not pinning to commit since this is an archived GitHub action, which we trust
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          toolchain: ${{ matrix.rust-toolchain }}
+          components: rustfmt, clippy
+      - name: Check
+        run: cargo check
       - name: Architecture check
         run: cargo run arch-check
       - name: Architecture check (Optimized)
         run: cargo run --features=optimize_crc32_auto arch-check
-      - name: Format
+      - if: ${{ matrix.rust-toolchain != 'nightly' }}
+        name: Format
         run: cargo fmt -- --check
-      - name: Clippy
+      - if: ${{ matrix.rust-toolchain != 'nightly' }}
+        name: Clippy
         run: cargo clippy
       - name: Test
         run: cargo test