Revert "DO NOT MERGE: enable windows try builder"

src/ci/azure-pipelines/try.yml

@@ -6,19 +6,68 @@ variables:
 - group: prod-credentials
 
 jobs:
-- job: Windows
+- job: Linux
   timeoutInMinutes: 600
   pool:
-    vmImage: 'vs2017-win2016'
+    vmImage: ubuntu-16.04
   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
+      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
+# consumes the artifacts currently. Perhaps one day we can reenable, but for now
+# it helps free up capacity on Azure.
+# - job: macOS
+#   timeoutInMinutes: 600
+#   pool:
+#     vmImage: macos-10.13
+#   steps:
+#   - template: steps/run.yml
+#   strategy:
+#     matrix:
+#       dist-x86_64-apple:
+#         SCRIPT: ./x.py dist
+#         RUST_CONFIGURE_ARGS: --target=aarch64-apple-ios,armv7-apple-ios,armv7s-apple-ios,i386-apple-ios,x86_64-apple-ios --enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc
+#         DEPLOY: 1
+#         RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
+#         MACOSX_DEPLOYMENT_TARGET: 10.7
+#         NO_LLVM_ASSERTIONS: 1
+#         NO_DEBUG_ASSERTIONS: 1
+#         DIST_REQUIRE_ALL_TOOLS: 1
+#
+#       dist-x86_64-apple-alt:
+#         SCRIPT: ./x.py dist
+#         RUST_CONFIGURE_ARGS: --enable-extended --enable-profiler --set rust.jemalloc
+#         DEPLOY_ALT: 1
+#         RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
+#         MACOSX_DEPLOYMENT_TARGET: 10.7
+#         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