download: fix "Downloaded 1 crates" message (crates -> crate)
download: fix "Downloaded 1 crates" message (crates -> crate)

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