warning: module has the same name as its containing module
  --> src/plugins/location/remotehttp/mod.rs:16:1
   |
16 | pub mod remotehttp;
   | ^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception

warning: unneeded `return` statement
  --> src/plugins/location/local/local.rs:60:9
   |
60 |         return self.loc_cache.clone();
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
   |
60 -         return self.loc_cache.clone();
60 +         self.loc_cache.clone()
   |

warning: module has the same name as its containing module
  --> src/plugins/location/local/mod.rs:16:1
   |
16 | pub mod local;
   | ^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception

warning: returning the result of a `let` binding from a block
   --> src/plugins/loadbalance/roundrobin/roundrobin.rs:158:9
    |
154 | /         let cur_weight = self.cur_weight.fetch_add(
155 | |             self.weight.load(std::sync::atomic::Ordering::Relaxed),
156 | |             std::sync::atomic::Ordering::Relaxed,
157 | |         );
    | |__________- unnecessary `let` binding
158 |           cur_weight
    |           ^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
help: return the expression directly
    |
154 ~         
155 ~         self.cur_weight.fetch_add(
156 +             self.weight.load(std::sync::atomic::Ordering::Relaxed),
157 +             std::sync::atomic::Ordering::Relaxed,
158 +         )
    |

warning: you seem to use `.enumerate()` and immediately discard the index
  --> src/plugins/loadbalance/roundrobin/roundrobin.rs:96:25
   |
96 |         for (_, ins) in instances.instances.iter().enumerate() {
   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
help: remove the `.enumerate()` call
   |
96 |         for ins in instances.instances.iter() {
   |             ~~~    ~~~~~~~~~~~~~~~~~~~~~~~~~~

warning: casting to the same type is unnecessary (`u32` -> `u32`)
  --> src/plugins/loadbalance/roundrobin/roundrobin.rs:73:72
   |
73 | ...                   .or_insert_with(|| WeightedRoundRobin::new(instance.weight as u32));
   |                                                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try: `instance.weight`
   |
   = 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: module has the same name as its containing module
  --> src/plugins/loadbalance/roundrobin/mod.rs:16:1
   |
16 | pub mod roundrobin;
   | ^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception

warning: module has the same name as its containing module
  --> src/plugins/loadbalance/ringhash/mod.rs:16:1
   |
16 | pub mod ringhash;
   | ^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception

warning: module has the same name as its containing module
  --> src/plugins/loadbalance/random/mod.rs:16:1
   |
16 | pub mod random;
   | ^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception

warning: unneeded late initialization
   --> src/plugins/filter/configcrypto/crypto.rs:166:9
    |
166 |         let data_key: String;
    |         ^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
    = note: `#[warn(clippy::needless_late_init)]` on by default
help: move the declaration `data_key` here and remove the assignments from the `match` arms
    |
166 ~         
167 ~         let data_key: String = match encrypt_data_key {
168 |             Ok(key) => {
169 ~                 key
170 |             }
...
178 |                     .unwrap();
179 ~                 String::from_utf8(u8_slice).unwrap()
180 |             }
181 ~         };
    |

warning: very complex type used. Consider factoring parts into `type` definitions
   --> src/plugins/filter/configcrypto/crypto.rs:108:25
    |
108 |       pub fn builder() -> (
    |  _________________________^
109 | |         fn(serde_yaml::Value) -> Result<Box<dyn DiscoverFilter>, PolarisError>,
110 | |         String,
111 | |     ) {
    | |_____^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity

warning: you seem to use `.enumerate()` and immediately discard the index
  --> src/plugins/filter/configcrypto/crypto.rs:70:20
   |
70 |     for (_k, v) in conf.entries.iter().enumerate() {
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
help: remove the `.enumerate()` call
   |
70 |     for v in conf.entries.iter() {
   |         ~    ~~~~~~~~~~~~~~~~~~~

warning: unneeded `return` statement
   --> src/plugins/connector/grpc/connector.rs:789:9
    |
789 |         return Ok(());
    |         ^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
789 -         return Ok(());
789 +         Ok(())
    |

warning: unneeded `return` statement
   --> src/plugins/connector/grpc/connector.rs:731:9
    |
731 |         return Ok(());
    |         ^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
731 -         return Ok(());
731 +         Ok(())
    |

warning: you seem to use `.enumerate()` and immediately discard the index
   --> src/plugins/connector/grpc/connector.rs:350:29
    |
350 |         for (_i, filter) in filters.iter().enumerate() {
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
help: remove the `.enumerate()` call
    |
350 |         for filter in filters.iter() {
    |             ~~~~~~    ~~~~~~~~~~~~~~

warning: you seem to use `.enumerate()` and immediately discard the index
   --> src/plugins/connector/grpc/connector.rs:318:29
    |
318 |         for (_i, filter) in filters.iter().enumerate() {
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_enumerate_index
help: remove the `.enumerate()` call
    |
318 |         for filter in filters.iter() {
    |             ~~~~~~    ~~~~~~~~~~~~~~

warning: unneeded `return` statement
   --> src/plugins/connector/grpc/connector.rs:214:9
    |
214 |         return (new_connector, "grpc".to_string());
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
214 -         return (new_connector, "grpc".to_string());
214 +         (new_connector, "grpc".to_string())
    |

warning: very complex type used. Consider factoring parts into `type` definitions
   --> src/plugins/connector/grpc/connector.rs:213:25
    |
213 |     pub fn builder() -> (fn(opt: InitConnectorOption) -> Box<dyn Connector>, String) {
    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity

warning: using `clone` on type `Duration` which implements the `Copy` trait
   --> src/plugins/connector/grpc/connector.rs:185:30
    |
185 |             .connect_timeout(connect_timeout.clone())
    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `connect_timeout`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: using `clone` on type `Duration` which implements the `Copy` trait
   --> src/plugins/connector/grpc/connector.rs:180:30
    |
180 |             .connect_timeout(connect_timeout.clone())
    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `connect_timeout`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy

warning: `to_string` applied to a type that implements `Display` in `format!` args
   --> src/plugins/connector/grpc/connector.rs:164:52
    |
164 |                 ele.trim_start_matches("config://").to_string()
    |                                                    ^^^^^^^^^^^^ help: remove this
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args

warning: `to_string` applied to a type that implements `Display` in `format!` args
   --> src/plugins/connector/grpc/connector.rs:159:54
    |
159 |                 ele.trim_start_matches("discover://").to_string()
    |                                                      ^^^^^^^^^^^^ help: remove this
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
    = note: `#[warn(clippy::to_string_in_format_args)]` on by default

warning: called `unwrap` on `discover_request` after checking its variant with `is_some`
   --> src/plugins/connector/grpc/connector.rs:137:61
    |
136 |                     if discover_request.is_some() {
    |                     ----------------------------- help: try: `if let Some(..) = discover_request`
137 |                         send_c.send_naming_discover_request(discover_request.unwrap());
    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default

warning: redundant closure
   --> src/plugins/cache/memory/memory.rs:742:66
    |
742 |         let listeners = safe_map.entry(watch_key).or_insert_with(|| Vec::new());
    |                                                                  ^^^^^^^^^^^^^ help: replace the closure with the function itself: `Vec::new`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure

warning: returning the result of a `let` binding from a block
   --> src/plugins/cache/memory/memory.rs:717:13
    |
716 |             let waiter = cache_val.wait_initialize(filter.timeout).await;
    |             ------------------------------------------------------------- unnecessary `let` binding
717 |             waiter
    |             ^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
help: return the expression directly
    |
716 ~             
717 ~             cache_val.wait_initialize(filter.timeout).await
    |