ci: move to github actions

Author: roblabla

.github/workflows/ci.yml

@@ -0,0 +1,57 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+env:
+  RUST_BACKTRACE: 1
+
+jobs:
+  build:
+    name: ${{ matrix.name }}
+    runs-on: ubuntu-latest
+
+    # The build matrix does not yet support 'allow failures' at job level.
+    # See `jobs.nightly` for the active nightly job definition.
+    strategy:
+      matrix:
+        rust:
+          - 1.36.0
+          - stable
+          - nightly
+        include:
+          - rust: nightly
+            args: --all-features
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Install rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust || 'stable' }}
+          profile: minimal
+          override: true
+
+      - name: Build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --verbose ${{ matrix.args }}
+
+      - name: Test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --verbose ${{ matrix.args }}
+
+      - name: Bench
+        uses: actions-rs/cargo@v1
+        with:
+          command: bench
+          args: --verbose --no-run ${{ matrix.args }}
+        if: matrix.rust == 'nightly'