ci: switch to github actions

.github/workflows/rust.yml

@@ -0,0 +1,39 @@
+name: Rust
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Run rustfmt
+        run: cargo fmt -- --check
+
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          override: true
+
+      - name: Cache target/
+        uses: actions/cache@v1
+        with:
+          path: target
+          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Run Test
+        run: cargo test --all-features