error: unneeded `return` statement
  --> doh/src/remote/helper.rs:65:5
   |
65 |     return Ok(fragment_connection);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
   |
65 -     return Ok(fragment_connection);
65 +     Ok(fragment_connection)
   |

error: unneeded `return` statement
  --> doh/src/remote/helper.rs:56:5
   |
56 |     return Ok(dial_result.stream);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
   |
56 -     return Ok(dial_result.stream);
56 +     Ok(dial_result.stream)
   |

error: unneeded `return` statement
   --> doh/src/remote/fragment.rs:177:5
    |
177 |     return rng.gen_range(min..=max) as usize;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
177 -     return rng.gen_range(min..=max) as usize;
177 +     rng.gen_range(min..=max) as usize
    |

error: unneeded `return` statement
   --> doh/src/handler.rs:137:13
    |
137 |             return get_response(context, cache_question, response, id, addr).await;
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
    = note: `-D clippy::needless-return` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::needless_return)]`
help: remove `return`
    |
137 -             return get_response(context, cache_question, response, id, addr).await;
137 +             get_response(context, cache_question, response, id, addr).await
    |

error: redundant closure
  --> doh/src/context.rs:32:22
   |
32 |                 .map(|remote_session| Mutex::new(remote_session))
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `Mutex::new`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
   = note: `-D clippy::redundant-closure` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::redundant_closure)]`

error: field `addr` is never read
  --> doh/src/remote/mod.rs:46:5
   |
44 | struct DialResult {
   |        ---------- field in this struct
45 |     stream: TcpStream,
46 |     addr: SocketAddr,
   |     ^^^^
   |
   = note: `DialResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   = note: `-D dead-code` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(dead_code)]`

error: value assigned to `added` is never read
  --> doh/src/helper.rs:42:13
   |
42 |     let mut added = 0;
   |             ^^^^^
   |
   = help: maybe it is overwritten before being read?
   = note: `-D unused-assignments` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(unused_assignments)]`

error: unused import: `futures::TryFutureExt`
 --> doh/src/run.rs:6:5
  |
6 | use futures::TryFutureExt;
  |     ^^^^^^^^^^^^^^^^^^^^^
  |
  = note: `-D unused-imports` implied by `-D warnings`
  = help: to override `-D warnings` add `#[allow(unused_imports)]`

error: use of deprecated method `rustls::client::builder::<impl rustls::ConfigBuilder<rustls::ClientConfig, rustls::client::WantsTransparencyPolicyOrClientCert>>::with_single_cert`: Use `with_client_auth_cert` instead
  --> doh/src/config.rs:26:24
   |
26 |         config_builder.with_single_cert(cert_chain, key_der)?
   |                        ^^^^^^^^^^^^^^^^
   |
   = note: `-D deprecated` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(deprecated)]`