test cases/rust/20 rust and cpp/test.json

{
  "matrix": {
    "options": {
      "b_vscrt": [
        { "val": "none" },
        { "val": "mdd" },
        { "val": "md" },
        { "val": "mtd" },
        { "val": "mt" },
        { "val": "from_buildtype" },
        { "val": "static_from_buildtype" }
      ]
    }
  }
}