Set up CI with Azure Pipelines

[skip ci]

azure-pipelines.yml

@@ -0,0 +1,45 @@
+# Starter pipeline
+# Start with a minimal pipeline that you can customize to build and deploy your code.
+# Add steps that build, run tests, deploy, and more:
+# https://aka.ms/yaml
+
+trigger:
+- master
+
+strategy:
+  matrix:
+    windows-stable:
+      imageName: 'vs2017-win2016'
+      rustup_toolchain: stable
+    mac-stable:
+      imageName: 'macos-10.13'
+      rustup_toolchain: stable
+    linux-stable:
+      imageName: 'ubuntu-16.04'
+      rustup_toolchain: stable
+    linux-beta:
+      imageName: 'ubuntu-16.04'
+      rustup_toolchain: beta
+    linux-nightly:
+      imageName: 'ubuntu-16.04'
+      rustup_toolchain: nightly
+
+pool:
+  vmImage: $(imageName)
+
+steps:
+  - script: |
+      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
+      echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
+    displayName: Install rust
+    condition: ne( variables['Agent.OS'], 'Windows_NT' )
+  - script: |
+      curl -sSf -o rustup-init.exe https://win.rustup.rs
+      rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
+      echo "##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin"
+    displayName: Windows install rust
+    condition: eq( variables['Agent.OS'], 'Windows_NT' )
+  - script: cargo build --all
+    displayName: Cargo build
+  - script: cargo test --all
+    displayName: Cargo test