error: casting to the same type is unnecessary (`usize` -> `usize`)
   --> chitchat/src/serialize.rs:430:29
    |
430 |                 buf.advance(len as usize);
    |                             ^^^^^^^^^^^^ help: try: `len`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast

error: casting to the same type is unnecessary (`usize` -> `usize`)
   --> chitchat/src/serialize.rs:420:29
    |
420 |                 buf.advance(len as usize);
    |                             ^^^^^^^^^^^^ help: try: `len`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
    = note: `-D clippy::unnecessary-cast` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_cast)]`

error: casting to the same type is unnecessary (`usize` -> `usize`)
   --> chitchat/src/serialize.rs:430:29
    |
430 |                 buf.advance(len as usize);
    |                             ^^^^^^^^^^^^ help: try: `len`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast

error: casting to the same type is unnecessary (`usize` -> `usize`)
   --> chitchat/src/serialize.rs:420:29
    |
420 |                 buf.advance(len as usize);
    |                             ^^^^^^^^^^^^ help: try: `len`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
    = note: `-D clippy::unnecessary-cast` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::unnecessary_cast)]`

error: needlessly taken reference of both operands
   --> chitchat/src/delta.rs:259:34
    |
259 |             .find(|node_delta| { &node_delta.chitchat_id == &chitchat_id })
    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
    = note: `-D clippy::op-ref` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::op_ref)]`
help: use the values directly
    |
259 |             .find(|node_delta| { node_delta.chitchat_id == chitchat_id })
    |                                  ~~~~~~~~~~~~~~~~~~~~~~    ~~~~~~~~~~~

error: called `is_none()` after searching an `Iterator` with `find`
   --> chitchat/src/delta.rs:256:17
    |
256 |           assert!(self
    |  _________________^
257 | |             .node_deltas
258 | |             .iter()
259 | |             .find(|node_delta| { &node_delta.chitchat_id == &chitchat_id })
260 | |             .is_none());
    | |______________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
    = note: `-D clippy::search-is-some` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::search_is_some)]`
help: use `!_.any()` instead
    |
256 ~         assert!(!self
257 +             .node_deltas
258 ~             .iter().any(|node_delta| { &node_delta.chitchat_id == &chitchat_id }));
    |

error: redundant closure
  --> chitchat/src/delta.rs:32:18
   |
32 |             .map(|node_to_reset| DeltaOpRef::NodeToReset(node_to_reset));
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `DeltaOpRef::NodeToReset`
   |
   = 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: the following explicit lifetimes could be elided: 'a
  --> chitchat/src/delta.rs:28:23
   |
28 |     fn get_operations<'a>(&'a self) -> impl Iterator<Item = DeltaOpRef<'a>> {
   |                       ^^   ^^                                          ^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
   = note: `-D clippy::needless-lifetimes` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::needless_lifetimes)]`
help: elide the lifetimes
   |
28 -     fn get_operations<'a>(&'a self) -> impl Iterator<Item = DeltaOpRef<'a>> {
28 +     fn get_operations(&self) -> impl Iterator<Item = DeltaOpRef<'_>> {
   |

error: redundant closure
  --> chitchat/src/delta.rs:32:18
   |
32 |             .map(|node_to_reset| DeltaOpRef::NodeToReset(node_to_reset));
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `DeltaOpRef::NodeToReset`
   |
   = 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: the following explicit lifetimes could be elided: 'a
  --> chitchat/src/delta.rs:28:23
   |
28 |     fn get_operations<'a>(&'a self) -> impl Iterator<Item = DeltaOpRef<'a>> {
   |                       ^^   ^^                                          ^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
   = note: `-D clippy::needless-lifetimes` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::needless_lifetimes)]`
help: elide the lifetimes
   |
28 -     fn get_operations<'a>(&'a self) -> impl Iterator<Item = DeltaOpRef<'a>> {
28 +     fn get_operations(&self) -> impl Iterator<Item = DeltaOpRef<'_>> {
   |