Debug with fewer jobs in the matrix

Author: nealrichardson

appveyor.yml

@@ -62,45 +62,45 @@ environment:
       GENERATOR: Ninja
       CONFIGURATION: "Release"
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-    - JOB: "Toolchain"
-      GENERATOR: Visual Studio 14 2015 Win64
-      CONFIGURATION: "Release"
-      ARROW_BUILD_FLIGHT: "ON"
-      ARROW_BUILD_GANDIVA: "ON"
-    # NOTE: Since ARROW-5403 we have disabled the static CRT build
-    # - JOB: "Static_Crt_Build"
+    # - JOB: "Toolchain"
+    #   GENERATOR: Visual Studio 14 2015 Win64
+    #   CONFIGURATION: "Release"
+    #   ARROW_BUILD_FLIGHT: "ON"
+    #   ARROW_BUILD_GANDIVA: "ON"
+    # # NOTE: Since ARROW-5403 we have disabled the static CRT build
+    # # - JOB: "Static_Crt_Build"
+    # #   GENERATOR: Ninja
+    # - JOB: "Build_Debug"
     #   GENERATOR: Ninja
-    - JOB: "Build_Debug"
-      GENERATOR: Ninja
-      CONFIGURATION: "Debug"
-    - JOB: "MinGW32"
-      MINGW_ARCH: i686
-      MINGW_PACKAGE_PREFIX: mingw-w64-i686
-      MINGW_PREFIX: c:\msys64\mingw32
-      MSYSTEM: MINGW32
-      USE_CLCACHE: false
-    - JOB: "MinGW64"
-      MINGW_ARCH: x86_64
-      MINGW_PACKAGE_PREFIX: mingw-w64-x86_64
-      MINGW_PREFIX: c:\msys64\mingw64
-      MSYSTEM: MINGW64
-      USE_CLCACHE: false
-    - JOB: "Rust"
-      TARGET: x86_64-pc-windows-msvc
-      USE_CLCACHE: false
-    - JOB: "C#"
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      USE_CLCACHE: false
-    - JOB: "Go"
-      MINGW_PACKAGE_PREFIX: mingw-w64-x86_64
-      MINGW_PREFIX: c:\msys64\mingw64
-      MSYSTEM: MINGW64
-      USE_CLCACHE: false
-      GOROOT: 'c:\go112'
-      GOPATH: c:\gopath
-      GO111MODULE: on
-      GOTOOLDIR: '%GOROOT%\pkg\tool\windows_amd64'
-      PATH: '%GOPATH%\bin;%GOROOT%\bin;%PATH%'
+    #   CONFIGURATION: "Debug"
+    # - JOB: "MinGW32"
+    #   MINGW_ARCH: i686
+    #   MINGW_PACKAGE_PREFIX: mingw-w64-i686
+    #   MINGW_PREFIX: c:\msys64\mingw32
+    #   MSYSTEM: MINGW32
+    #   USE_CLCACHE: false
+    # - JOB: "MinGW64"
+    #   MINGW_ARCH: x86_64
+    #   MINGW_PACKAGE_PREFIX: mingw-w64-x86_64
+    #   MINGW_PREFIX: c:\msys64\mingw64
+    #   MSYSTEM: MINGW64
+    #   USE_CLCACHE: false
+    # - JOB: "Rust"
+    #   TARGET: x86_64-pc-windows-msvc
+    #   USE_CLCACHE: false
+    # - JOB: "C#"
+    #   APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+    #   USE_CLCACHE: false
+    # - JOB: "Go"
+    #   MINGW_PACKAGE_PREFIX: mingw-w64-x86_64
+    #   MINGW_PREFIX: c:\msys64\mingw64
+    #   MSYSTEM: MINGW64
+    #   USE_CLCACHE: false
+    #   GOROOT: 'c:\go112'
+    #   GOPATH: c:\gopath
+    #   GO111MODULE: on
+    #   GOTOOLDIR: '%GOROOT%\pkg\tool\windows_amd64'
+    #   PATH: '%GOPATH%\bin;%GOROOT%\bin;%PATH%'
     - JOB: "R"
       MINGW_ARCH: x86_64
       MINGW_PACKAGE_PREFIX: mingw-w64-x86_64