Use GitHub Actions instead of Travis CI

Author: Seulgi Kim

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+on: [push, pull_request]
+
+name: ci
+
+jobs:
+  unit-test:
+    name: unit-test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macOS-latest, ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+      - run: cargo test --verbose --all
+  staic-analysis:
+    name: staic-analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly-2019-11-06
+          override: true
+          profile: minimal
+          components: clippy, rustfmt
+      - run: cargo fmt -- --check
+      - run: cargo clippy --all --all-targets -- -D warnings

.travis.yml

@@ -1 +1 @@
-1.38.0
+stable

rust-toolchain

@@ -34,7 +34,6 @@ reorder_modules = true
 # reorder_impl_items = false
 # report_todo = "Never"
 # report_fixme = "Never"
-# skip_children = false
 space_after_colon = true
 space_before_colon = false
 struct_field_align_threshold = 0