message: TryFrom is already pre-included in edition 2021
diff: @@ -64,7 +64,7 @@ impl ProxyHttpStream {
  use byte_string::ByteStr;
  use log::warn;
  use once_cell::sync::Lazy;
  - use std::{convert::TryFrom, sync::Arc};
  + use std::sync::Arc;
  use tokio_rustls::{
  rustls::{Certificate, ClientConfig, OwnedTrustAnchor, RootCertStore, ServerName},
  TlsConnector,
  