Migrate CI to GitHub Actions

.github/workflows/build-and-test.yaml

@@ -0,0 +1,36 @@
+name: Build and test
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build_and_test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        rust: [nightly, beta, stable]
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install latest ${{ matrix.rust }}
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: ${{ matrix.rust }}
+            profile: minimal
+            override: true
+
+      - name: Run cargo check
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --all --benches --bins --examples --tests --all-features
+
+      - name: Run cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test

.github/workflows/lint.yaml

@@ -0,0 +1,23 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          components: clippy
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features -- -W clippy::all

.github/workflows/security.yaml

@@ -0,0 +1,17 @@
+name: Security audit
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  security_audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions-rs/audit-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.travis.yml

@@ -1,10 +0,0 @@
-language: rust
-
-rust:
-  - stable
-  - beta
-  - nightly
-
-matrix:
-  allow_failures:
-    - rust: nightly