message: Update travis_intall.sh
diff: #!/bin/bash
  -curl -sL https://github.com/xd009642/tarpaulin/releases/download/0.6.9/cargo-tarpaulin-0.6.9-travis.tar.gz | tar xvz -C $HOME/.cargo/bin
  +curl -sL https://github.com/xd009642/tarpaulin/releases/download/0.6.10/cargo-tarpaulin-0.6.10-travis.tar.gz | tar xvz -C $HOME/.cargo/bin
  echo "WARNING This method is no longer recommended. Use docker or crates.io to install tarpaulin"
  