lru - https://crates.io/crates/lru - MIT License
reqwest - https://crates.io/crates/reqwest - Apache 2.0
openssl - https://crates.io/crates/openssl - Apache 2.0
serde - https://crates.io/crates/serde - MIT/Apache 2.0
thiserror - https://crates.io/crates/thiserror - MIT/Apache 2.0
md5 - https://crates.io/crates/md5 - MIT/Apache 2.0
hyper - https://crates.io/crates/hyper - MIT license
tokio - https://crates.io/crates/tokio - MIT license