remove duplicated adding to the cache
remove duplicated adding to the cache

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