message: Add temporary fix for rustup on windows in CI.
diff: @@ -54,6 +54,10 @@ jobs:
  other: i686-pc-windows-gnu
  steps:
  - uses: actions/checkout@v2
  + - name: Update Rustup (temporary workaround)
  + run: rustup self update
  + shell: bash
  + if: startsWith(matrix.os, 'windows')
  - run: rustup update --no-self-update ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
  - run: rustup target add ${{ matrix.other }}
  - run: rustup component add rustc-dev llvm-tools-preview rust-docs
  