update ci yml

switch back to swatinem cache
switch rustc back to stable

.github/workflows/ci.yml

@@ -71,7 +71,6 @@ jobs:
           args: --all -- --check
       - name: Run Cargo clippy
         uses: actions-rs/cargo@v1
-        # continue-on-error: true
         with:
           command: clippy
           args: -- -D warnings
@@ -88,16 +87,8 @@ jobs:
           toolchain: stable
           target: ${{ matrix.target }}
           override: true
-      - uses: actions/cache@v2
+      - name: Rust Cache
-        with:
+        uses: Swatinem/rust-cache@v1.2.0
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates2.json
-            ~/.cargo/.crates.toml
-            target
-          key: ${{ runner.os }}-aarch64-unknown-linux-gnu-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Compile
         uses: actions-rs/cargo@v1
         with:
@@ -108,7 +99,6 @@ jobs:
   build-ppc:
     name: Build PowerPC Binaries
     if: github.event_name != 'pull_request' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v'))
-    continue-on-error: true
     runs-on: ubuntu-18.04
     needs: [check, test, lints]
     steps:
@@ -118,16 +108,8 @@ jobs:
           toolchain: stable
           target: powerpc64-unknown-linux-gnu
           override: true
-      - uses: actions/cache@v2
+      - name: Rust Cache
-        with:
+        uses: Swatinem/rust-cache@v1.2.0
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            ~/.cargo/.crates2.json
-            ~/.cargo/.crates.toml
-            target
-          key: ${{ runner.os }}-powerpc64-unknown-linux-gnu-cargo-${{ hashFiles('**/Cargo.lock') }}
       - name: Install PowerPC gcc
         run: |
           sudo apt-get install -y gcc-powerpc64-linux-gnu
@@ -149,7 +131,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.50.0
+          toolchain: stable
           target: x86_64-unknown-linux-gnu
           override: true
       - name: Rust Cache