Make truly random string
Make truly random string

nodakai/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,inejge/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,rust-lang/rustup,inejge/rustup.rs,inejge/rustup.rs,nodakai/rustup.rs,rust-lang/rustup,inejge/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs,rust-lang/rustup