Rust solves cargo build too slowly

Replace the crates repository source

    Open or create a new er directory /.cargo/config f>to add the configuration

to the>

[source.crates-io]
registry = "https://github.com/rust-lang/crates.io-index"

replace-with = 'tuna'
[source.tuna]
registry = "https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"
    Save exit