Switch from Azure Pipelines to Github Actions. (#93)

* Switch from Azure Pipelines to Github Actions.

* Move the CI config to the right folder.

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10

.github/workflows/ci.yml

@@ -0,0 +1,52 @@
+name: Rust
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  fmt:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install Rust Nightly
+      uses: actions-rs/toolchain@v1
+      with:
+          toolchain: nightly
+          override: true
+          components: rustfmt, clippy
+    - name: Check Formatting
+      run: cargo fmt --all -- --check
+  test:
+    name: Test ${{ matrix.rust_version }}/${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        rust_version: ['1.36.0', 'stable', 'nightly']
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install Rust ${{ matrix.rust_version }}
+      uses: actions-rs/toolchain@v1
+      with:
+          toolchain: ${{ matrix.rust_version }}
+          override: true
+    - name: Run Tests
+      run: cargo test
+  bench:
+    name: Bench ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+    steps:
+    - uses: actions/checkout@v1
+    - name: Install Rust Stable
+      uses: actions-rs/toolchain@v1
+      with:
+          toolchain: 'stable'
+          override: true
+    - name: Run Benchmarks
+      run: cargo bench

ci/azure-install-rust.yml

@@ -1,27 +0,0 @@
-steps:
-  # Linux and macOS.
-  - script: |
-      set -e
-      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
-      echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
-    env:
-      RUSTUP_TOOLCHAIN: ${{parameters.rust_version}}
-    displayName: "Install rust (*nix)"
-    condition: not(eq(variables['Agent.OS'], 'Windows_NT'))
-
-  # Windows.
-  - script: |
-      curl -sSf -o rustup-init.exe https://win.rustup.rs
-      rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
-      set PATH=%PATH%;%USERPROFILE%\.cargo\bin
-      echo "##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin"
-    env:
-      RUSTUP_TOOLCHAIN: ${{parameters.rust_version}}
-    displayName: "Install rust (windows)"
-    condition: eq(variables['Agent.OS'], 'Windows_NT')
-
-  # All platforms.
-  - script: |
-        rustc -Vv
-        cargo -V
-    displayName: Query rust and cargo versions

ci/azure-rustfmt.yml

@@ -1,16 +0,0 @@
-jobs:
-# Check formatting
-- job: rustfmt
-  displayName: Check rustfmt
-  pool:
-    vmImage: ubuntu-16.04
-  steps:
-    - template: azure-install-rust.yml
-      parameters:
-        rust_version: nightly
-    - script: |
-        rustup component add rustfmt
-      displayName: Install rustfmt
-    - script: |
-        cargo fmt --all -- --check
-      displayName: Check formatting

ci/azure-test-minimum.yaml

@@ -1,20 +0,0 @@
-jobs:
-- job: test_metrics_minimum
-  displayName: Test Metrics Minimum
-  strategy:
-    matrix:
-      Linux:
-        vmImage: ubuntu-16.04
-      MacOS:
-        vmImage: macOS-10.14
-      Windows:
-        vmImage: vs2017-win2016
-  pool:
-    vmImage: $(vmImage)
-
-  steps:
-  - template: azure-install-rust.yml
-    parameters:
-      rust_version: 1.40.0
-  - script: cargo test
-    displayName: cargo test

ci/azure-test-nightly.yml

@@ -1,22 +0,0 @@
-jobs:
-- job: test_metrics_nightly
-  displayName: Test Metrics Nightly
-  strategy:
-    matrix:
-      Linux:
-        vmImage: ubuntu-16.04
-      MacOS:
-        vmImage: macOS-10.14
-      Windows:
-        vmImage: vs2017-win2016
-  pool:
-    vmImage: $(vmImage)
-
-  steps:
-  - template: azure-install-rust.yml
-    parameters:
-      rust_version: nightly
-  - script: cargo test
-    displayName: cargo test
-  - script: cargo bench
-    displayName: cargo bench

ci/azure-test-stable.yml

@@ -1,20 +0,0 @@
-jobs:
-- job: test_metrics_stable
-  displayName: Test Metrics Stable
-  strategy:
-    matrix:
-      Linux:
-        vmImage: ubuntu-16.04
-      MacOS:
-        vmImage: macOS-10.14
-      Windows:
-        vmImage: vs2017-win2016
-  pool:
-    vmImage: $(vmImage)
-
-  steps:
-  - template: azure-install-rust.yml
-    parameters:
-      rust_version: stable
-  - script: cargo test
-    displayName: cargo test