Add test for if user ever decides to use both --index and --host
Add test for if user ever decides to use both --index and --host

tsurai/cargo,rustyhorde/cargo,rust-lang/cargo,tsurai/cargo,tshepang/cargo,achanda/cargo,rust-lang/cargo,vojtechkral/cargo,vojtechkral/cargo,tshepang/cargo,achanda/cargo,vojtechkral/cargo,eminence/cargo,rustyhorde/cargo,nipunn1313/cargo,rust-lang/cargo,tshepang/cargo,eminence/cargo,achanda/cargo,rustyhorde/cargo,nipunn1313/cargo,tsurai/cargo,tsurai/cargo,tshepang/cargo,nipunn1313/cargo,tsurai/cargo,rust-lang/cargo,rustyhorde/cargo,eminence/cargo,nipunn1313/cargo,vojtechkral/cargo,eminence/cargo,achanda/cargo