message: travis: do not install cargo from master
diff: @@ -35,7 +35,7 @@ before_script:
  - export PATH=$HOME/.cargo/bin:$PATH
  # Install "master" toolchain
  - cargo install rustup-toolchain-install-master || echo "rustup-toolchain-install-master already installed"
  -- travis_retry rustup-toolchain-install-master -f -n master $RUSTC_HASH -c cargo -c rust-src
  +- travis_retry rustup-toolchain-install-master -f -n master $RUSTC_HASH -c rust-src
  - rustup default master
  - rustc --version
  