Auto merge of #53 - sagudev:cii, r=mrobinson

Move all CI to GitHub Actions

Build on Linux and Mac are back to stable, Windows is currently not working on stable, but it is still working on Rust 1.45, so I leave it there.

Author: bors-servo

.github/workflows/rust.yml

@@ -2,23 +2,30 @@ name: Rust
 
 on:
   push:
-    branches: [ master ]
   pull_request:
-    branches: [ master ]
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
   build:
-    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["windows-latest", "ubuntu-latest", "macos-latest"]
+    runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
-    - name: Install latest nightly
-      uses: actions-rs/toolchain@v1
-      with:
-        toolchain: 1.45.0
-        default: true
+    - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@1.45.0
+      if: contains(matrix.os, 'windows')
     - name: Run tests
+      if: contains(matrix.os, 'windows')
       run: cargo test --verbose --features "egl build_dlls"
+    - uses: dtolnay/rust-toolchain@stable
+      if: ${{ !contains(matrix.os, 'windows') }}
+    - name: Run test (POSIX)
+      if: ${{ !contains(matrix.os, 'windows') }}
+      run: |
+        cargo test --verbose
+        cargo test --verbose --features egl