Run mingw dist on CI

Author: mati865

src/ci/azure-pipelines/try.yml

@@ -15,8 +15,19 @@ jobs:
   strategy:
     matrix:
       dist-x86_64-linux: {}
-      dist-x86_64-linux-alt:
-        IMAGE: dist-x86_64-linux
+- job: Windows
+  timeoutInMinutes: 600
+  pool:
+    vmImage: 'vs2017-win2016'
+  steps:
+  - template: steps/run.yml
+  strategy:
+    matrix:
+      dist-x86_64-mingw:
+        SCRIPT: python x.py dist
+        RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-gnu --enable-full-tools --enable-profiler
+        CUSTOM_MINGW: 1
+        DIST_REQUIRE_ALL_TOOLS: 1
 
 # The macOS and Windows builds here are currently disabled due to them not being
 # overly necessary on `try` builds. We also don't actually have anything that