[wip] switch bors integration to use GH Actions

.github/workflows/ci.yml

@@ -1,8 +1,9 @@
 on: pull_request
 
+name: test
 jobs:
-  build_and_test:
-    name: Build and test on ${{ matrix.os }}
+  check_src:
+    name: nightly on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -35,8 +36,8 @@ jobs:
         command: test
         args: --all --doc --features unstable
 
-  check_fmt_and_docs:
-    name: Checking fmt and docs
+  check_docs:
+    name: rustdoc
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
@@ -53,15 +54,12 @@ jobs:
 
     - name: setup
       run: |
-        rustup component add rustfmt
         test -x $HOME/.cargo/bin/mdbook || ./ci/install-mdbook.sh
         rustc --version
 
     - name: mdbook
       run: |
         mdbook build docs
-    - name: fmt
-      run: cargo fmt --all -- --check
 
     - name: Docs
       run: cargo doc --features docs,unstable

.github/workflows/clippy.yml → .github/workflows/style.yml

@@ -1,8 +1,9 @@
 on: pull_request
 
-name: Clippy check
+name: style
 jobs:
-  clippy_check:
+  clippy:
+    name: clippy
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
@@ -18,3 +19,21 @@ jobs:
       - uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+
+  fmt:
+    name: rustfmt
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - id: component
+      uses: actions-rs/components-nightly@v1
+      with:
+        component: rustfmt
+    - uses: actions-rs/toolchain@v1
+      with:
+          toolchain: ${{ steps.component.outputs.toolchain }}
+          override: true
+    - name: setup
+      run: rustup component add rustfmt
+    - name: fmt
+      run: cargo fmt --all -- --check

bors.toml

@@ -1 +1,10 @@
-status = ["continuous-integration/travis-ci/push"]
+status = [
+    "test (stable)",
+    "test (beta)",
+    "test (nightly)",
+    "test (macos)",
+    "style (clippy)",
+    "style (rustfmt)",
+    "style (rustdoc)",
+]
+delete_merged_branches = true