message: Bump appveyor rust stable version from 1.27.1 -> 1.43.0.
diff: @@ -2,11 +2,11 @@ environment:
  RUST_TEST_THREADS: 1
  matrix:
  - TARGET: x86_64-pc-windows-msvc
  - RUST_CHANNEL: 1.27.1
  + RUST_CHANNEL: 1.43.0
  WPD_LIB_PATH: "C:/dl/wpdpack/WpdPack/Lib/x64/Packet.lib"
  VCVARS: "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\amd64\\vcvars64.bat"
  - TARGET: i686-pc-windows-msvc
  - RUST_CHANNEL: 1.27.1
  + RUST_CHANNEL: 1.43.0
  WPD_LIB_PATH: "C:/dl/wpdpack/WpdPack/Lib/Packet.lib"
  VCVARS: "C:\\Program Files (x86)\\Microsoft Visual Studio 14.0\\VC\\bin\\vcvars32.bat"
  - TARGET: x86_64-pc-windows-msvc
  