message: [gh actions] Cache target dir for specific rustc version
diff: @@ -22,6 +22,12 @@ jobs:
  path: ~/.cargo/bin
  key: cargo-installed-crates-${{ matrix.os }}
  + - name: Cache target dir
  + uses: actions/cache@v1.1.2
  + with:
  + path: target
  + key: target-dir-${{ matrix.os }}-${{ hashFiles('rust-toolchain') }}
  +
  - name: Prepare dependencies
  run: |
  git config --global user.email "user@example.com"
  