13 curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.5/mdbook-v0.4.5-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=$HOME/.cargo/bin
15 rustup toolchain update nightly -c rust-docs
21 curl -sSLo linkcheck.sh \
22 https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/linkcheck.sh
23 sh linkcheck.sh --all rust-by-example