warning: this argument is a mutable reference, but not used mutably
   --> src/router.rs:311:17
    |
311 | fn settle(link: &mut ReceiverLink, id: DeliveryNumber, state: DeliveryState) {
    |                 ^^^^^^^^^^^^^^^^^ help: consider changing to: `&ReceiverLink`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_ref_mut

warning: this argument is a mutable reference, but not used mutably
   --> src/rcvlink.rs:161:13
    |
161 |         cx: &mut Context<'_>,
    |             ^^^^^^^^^^^^^^^^ help: consider changing to: `&Context<'_>`
    |
    = warning: changing this function will impact semver compatibility
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_ref_mut
    = note: `#[warn(clippy::needless_pass_by_ref_mut)]` on by default

warning: casting to the same type is unnecessary (`u32` -> `u32`)
   --> src/session.rs:501:33
    |
501 |                         handle: id as u32,
    |                                 ^^^^^^^^^ help: try: `id`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast

warning: casting to the same type is unnecessary (`u32` -> `u32`)
   --> src/session.rs:491:33
    |
491 |                         handle: id as u32,
    |                                 ^^^^^^^^^ help: try: `id`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast

warning: non-binding `let` on a future
   --> src/router.rs:238:33
    |
238 | / ...                   let _ = this.link.close_with_error(
239 | | ...                       LinkError::force_detach()
240 | | ...                           .description("delivery_id MUST be set"),
241 | | ...                   );
    | |________________________^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/router.rs:227:33
    |
227 | / ...                   let _ = this.link.close_with_error(
228 | | ...                       LinkError::force_detach().description(format!("error: {}", e)),
229 | | ...                   );
    | |________________________^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/rcvlink.rs:380:21
    |
380 |                     let _ = self.close(Some(err));
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/rcvlink.rs:369:25
    |
369 |                         let _ = self.close(Some(err));
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/rcvlink.rs:340:25
    |
340 |                         let _ = self.close(Some(err));
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/rcvlink.rs:327:25
    |
327 |                         let _ = self.close(Some(err));
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/rcvlink.rs:309:13
    |
309 |             let _ = self.close(Some(err));
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: casting to the same type is unnecessary (`u32` -> `u32`)
   --> src/rcvlink.rs:293:28
    |
293 |             .rcv_link_flow(self.handle as u32, self.delivery_count, credit);
    |                            ^^^^^^^^^^^^^^^^^^ help: try: `self.handle`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
    = note: `#[warn(clippy::unnecessary_cast)]` on by default

warning: non-binding `let` on a future
   --> src/dispatcher.rs:417:13
    |
417 |             let _ = this.link.close_with_error(e);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:358:25
    |
358 |                         let _ = self.service.call(types::Message::DetachedAll(receivers));
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:344:25
    |
344 |                         let _ = self.service.call(types::Message::Detached(link));
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:234:13
    |
234 |             let _ = self.sink.close_with_error(err);
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:149:21
    |
149 |                     let _ = link.close_with_error(err);
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:145:21
    |
145 |                     let _ = link.close_with_error(err);
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:142:21
    |
142 |                     let _ = link.close_with_error(err);
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
   --> src/dispatcher.rs:133:21
    |
133 |                     let _ = link.close_with_error(err);
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future

warning: non-binding `let` on a future
  --> src/dispatcher.rs:79:13
   |
79 |             let _ = self.sink.close_with_error(err);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_future
   = note: `#[warn(clippy::let_underscore_future)]` on by default

warning: redundant field names in struct initialization
   --> src/session.rs:685:29
    |
685 | ...                   source: source,
    |                       ^^^^^^^^^^^^^^ help: replace it with: `source`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
    = note: `#[warn(clippy::redundant_field_names)]` on by default

warning: this `if` statement can be collapsed
   --> src/dispatcher.rs:240:9
    |
240 | /         if !self.ctl_queue.pending.borrow().is_empty() {
241 | |             if ctl_service_poll.is_ready() {
242 | |                 while let Some(frame) = self.ctl_queue.pending.borrow_mut().pop_front() {
243 | |                     let detached_receiver = match frame.kind() {
...   |
259 | |             }
260 | |         }
    | |_________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
    = note: `#[warn(clippy::collapsible_if)]` on by default
help: collapse nested if block
    |
240 ~         if !self.ctl_queue.pending.borrow().is_empty() && ctl_service_poll.is_ready() {
241 +             while let Some(frame) = self.ctl_queue.pending.borrow_mut().pop_front() {
242 +                 let detached_receiver = match frame.kind() {
243 +                     ControlFrameKind::LocalDetachReceiver(_, ref link) => Some(link.clone()),
244 +                     _ => None,
245 +                 };
246 +                 self.call_control_service(frame);
247 + 
248 +                 if let Some(link) = detached_receiver {
249 +                     self.service.call(types::Message::Detached(link));
250 +                 }
251 + 
252 +                 ctl_service_poll = self.poll_control_service_readiness(cx)?;
253 +                 if ctl_service_poll.is_pending() {
254 +                     break;
255 +                 }
256 +             }
257 +             control_fut_pending = true;
258 +         }
    |

warning: deref on an immutable reference
   --> codec/src/types/mod.rs:195:54
    |
195 |             Str::ByteStr(s) => write!(f, "B:\"{}\"", &*s),
    |                                                      ^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
help: if you would like to reborrow, try removing `&*`
    |
195 |             Str::ByteStr(s) => write!(f, "B:\"{}\"", s),
    |                                                      ~
help: if you would like to deref, try using `&**`
    |
195 |             Str::ByteStr(s) => write!(f, "B:\"{}\"", &**s),
    |                                                      ~~~~

warning: deref on an immutable reference
   --> codec/src/types/mod.rs:183:31
    |
183 |                 let t: &str = &*s;
    |                               ^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_deref_ref
help: if you would like to reborrow, try removing `&*`
    |
183 |                 let t: &str = s;
    |                               ~
help: if you would like to deref, try using `&**`
    |
183 |                 let t: &str = &**s;
    |                               ~~~~