Replace Travis CI with GitHub Actions

.github/workflows/rust.yaml

@@ -0,0 +1,49 @@
+name: rust
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          components: rustfmt, clippy
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.46.0
+          - stable
+          - beta
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test

README.md

@@ -1,6 +1,6 @@
 # crc
 
-[![Build Status](https://travis-ci.org/mrhooray/crc-rs.svg?branch=master)](https://travis-ci.org/mrhooray/crc-rs)
+[![rust](https://github.com/mrhooray/crc-rs/actions/workflows/rust.yaml/badge.svg)](https://github.com/mrhooray/crc-rs/actions/workflows/rust.yaml)
 [![Crate](https://img.shields.io/crates/v/crc.svg)](https://crates.io/crates/crc)
 [![Docs](https://docs.rs/crc/badge.svg)](https://docs.rs/crc)
 [![License](https://img.shields.io/crates/l/crc.svg?maxAge=2592000)](https://github.com/mrhooray/crc-rs#license)