[DO NOT MERGE] enable mingw builders on try

Author: Mark-Simulacrum

src/ci/azure-pipelines/try.yml

@@ -6,17 +6,17 @@ variables:
 - group: prod-credentials
 
 jobs:
-- job: Linux
-  timeoutInMinutes: 600
-  pool:
-    vmImage: ubuntu-16.04
-  steps:
-  - template: steps/run.yml
-  strategy:
-    matrix:
-      dist-x86_64-linux: {}
-      dist-x86_64-linux-alt:
-        IMAGE: dist-x86_64-linux
+    # - job: Linux
+    #   timeoutInMinutes: 600
+    #   pool:
+    #     vmImage: ubuntu-16.04
+    #   steps:
+    #   - template: steps/run.yml
+    #   strategy:
+    #     matrix:
+    #       dist-x86_64-linux: {}
+    #       dist-x86_64-linux-alt:
+    #         IMAGE: dist-x86_64-linux
 
 # 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
@@ -49,25 +49,38 @@ jobs:
 #         NO_LLVM_ASSERTIONS: 1
 #         NO_DEBUG_ASSERTIONS: 1
 #
-# - job: Windows
-#   timeoutInMinutes: 600
-#   pool:
-#     vmImage: 'vs2017-win2016'
-#   steps:
-#   - template: steps/run.yml
-#   strategy:
-#     matrix:
-#       dist-x86_64-msvc:
-#         RUST_CONFIGURE_ARGS: >
-#           --build=x86_64-pc-windows-msvc
-#           --target=x86_64-pc-windows-msvc,aarch64-pc-windows-msvc
-#           --enable-full-tools
-#           --enable-profiler
-#         SCRIPT: python x.py dist
-#         DIST_REQUIRE_ALL_TOOLS: 1
-#         DEPLOY: 1
-#
-#       dist-x86_64-msvc-alt:
-#         RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended --enable-profiler
-#         SCRIPT: python x.py dist
-#         DEPLOY_ALT: 1
+- job: Windows
+  timeoutInMinutes: 600
+  pool:
+    vmImage: 'vs2017-win2016'
+  steps:
+  - template: steps/run.yml
+  strategy:
+    matrix:
+      x86_64-mingw-1:
+        SCRIPT: make ci-mingw-subset-1
+        RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-gnu
+        CUSTOM_MINGW: 1
+        # FIXME(#59637)
+        NO_DEBUG_ASSERTIONS: 1
+        NO_LLVM_ASSERTIONS: 1
+#     x86_64-mingw-2:
+#       SCRIPT: make ci-mingw-subset-2
+#       RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-gnu
+#       CUSTOM_MINGW: 1
+#     i686-mingw-1:
+#       RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu
+#       SCRIPT: make ci-mingw-subset-1
+#       CUSTOM_MINGW: 1
+#       # FIXME(#59637)
+#       NO_DEBUG_ASSERTIONS: 1
+#       NO_LLVM_ASSERTIONS: 1
+      i686-mingw-2:
+        RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu
+        SCRIPT: make ci-mingw-subset-2
+        CUSTOM_MINGW: 1
+#      dist-i686-mingw:
+#        RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu --enable-full-tools --enable-profiler
+#        SCRIPT: python x.py dist
+#        CUSTOM_MINGW: 1
+#        DIST_REQUIRE_ALL_TOOLS: 1