message: use curl on windows
diff: @@ -4,12 +4,8 @@ steps:
  if command -v rustup; then
  echo `command -v rustup` `rustup -V` already installed
  rustup self update
  - elif [ "$AGENT_OS" = "Windows_NT" ]; then
  - curl -sSf -o rustup-init.exe https://win.rustup.rs
  - rustup-init.exe -y --default-toolchain $TOOLCHAIN --profile=minimal
  - echo "##vso[task.prependpath]$USERPROFILE/.cargo/bin"
  else
  - curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $TOOLCHAIN --profile=minimal
  + curl -sSL https://sh.rustup.rs | sh -s -- -y --default-toolchain="$TOOLCHAIN" --profile=minimal
  echo "##vso[task.prependpath]$HOME/.cargo/bin"
  fi
  displayName: Install rustup
  