update ci to test code

.github/workflows/rust.yml

@@ -1,10 +1,39 @@
-name: rust
-
-# Trigger the workflow on push or pull request
 on: [push, pull_request]
 
+name: Continuous integration
+
 jobs:
-    rustfmt:
+  check:
+    name: check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: Swatinem/rust-cache@v1
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: Swatinem/rust-cache@v1
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+
+  fmt:
     name: rustfmt
     runs-on: ubuntu-latest
     steps:
@@ -12,25 +41,27 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-                toolchain: nightly
+          toolchain: stable
           override: true
-                components: rustfmt
+      - run: rustup component add rustfmt
+      - uses: Swatinem/rust-cache@v1
       - uses: actions-rs/cargo@v1
         with:
           command: fmt
           args: --all -- --check
 
-    clippy:
-        name: clippy
+  miri:
+    name: miri
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-            - uses: actions-rs/toolchain@v1
-              with:
-                profile: minimal
-                toolchain: nightly
-                override: true
-                components: clippy
-            - uses: actions-rs/cargo@v1
-              with:
-                command: clippy
+      - name: Install Miri
+        run: |
+          MIRI_NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)
+          echo "Installing latest nightly with Miri: $MIRI_NIGHTLY"
+          rustup set profile minimal
+          rustup default "$MIRI_NIGHTLY"
+          rustup component add miri
+      - uses: Swatinem/rust-cache@v1
+      - name: Run Tests
+        run: cargo miri test