{"ast_node_type":"other","tokens":[{"end":111,"kind":"keyword","start":0,"text":"///"}]}
    ///    where $CARGO_HOME defaults to ~/.cargo (see <https://doc.rust-lang.org/cargo/guide/cargo-home.html>)
    /// 3) `$CARGO_HOME/bin/<executable_name>`
    ///    example: for cargo, this tries $CARGO_HOME/bin/cargo, or ~/.cargo/bin/cargo if $CARGO_HOME is unset.