build遇错

[luckypoem]

hi，

yudeMacBook-Air:reflow-by-net-reflow brite$ ls
Cargo.lock README.md src
Cargo.toml asocks5 test
yudeMacBook-Air:reflow-by-net-reflow brite$ cargo build --release
warning: unused manifest key: package.edition
warning: unused manifest key: dependencies.futures01.package
warning: unused manifest key: package.edition
Updating registry https://github.com/rust-lang/crates.io-index
error: no matching package named futures_01 found (required by futures-util-preview)
location searched: registry https://github.com/rust-lang/crates.io-index
version required: ^0.1.25
yudeMacBook-Air:reflow-by-net-reflow brite$

怎么解决？