[INFO] crate noders 0.0.2 is already in cache
[INFO] extracting crate noders 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/noders/0.0.2
[INFO] extracting crate noders 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/noders/0.0.2
[INFO] validating manifest of noders-0.0.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of noders-0.0.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing noders-0.0.2
[INFO] finished frobbing noders-0.0.2
[INFO] frobbed toml for noders-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/noders/0.0.2/Cargo.toml
[INFO] started frobbing noders-0.0.2
[INFO] finished frobbing noders-0.0.2
[INFO] frobbed toml for noders-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/noders/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting noders-0.0.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/noders/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c10bd9a2944a1261ecaf2b867841a152991c2875d94f454770239b7a5221718
[INFO] running `"docker" "start" "-a" "0c10bd9a2944a1261ecaf2b867841a152991c2875d94f454770239b7a5221718"`
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking noders v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/node.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let tcb = TimerCb { cb: cb, interval, millis, id: id.clone() };
[INFO] [stderr]     |                             ^^^^^^ help: replace it with: `cb`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/node.rs:430:13
[INFO] [stderr]     |
[INFO] [stderr] 430 |             poll: poll,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `poll`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/callback.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             dispatch: dispatch::<W,X,F>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dispatch`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/node.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let tcb = TimerCb { cb: cb, interval, millis, id: id.clone() };
[INFO] [stderr]     |                             ^^^^^^ help: replace it with: `cb`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/node.rs:430:13
[INFO] [stderr]     |
[INFO] [stderr] 430 |             poll: poll,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `poll`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/callback.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             dispatch: dispatch::<W,X,F>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `dispatch`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/node.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     return true;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/node.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     return true;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/node.rs:82:32
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     dur = Some(time.clone() - self.now);
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: try dereferencing it: `*time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `x`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/node.rs:89:23
[INFO] [stderr]    |
[INFO] [stderr] 89 |             for xx in x {
[INFO] [stderr]    |                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for xx in x` with `if let Some(xx) = x`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 | /         match {match self.next_timeouts.get_mut(&when) {
[INFO] [stderr] 104 | |             Some(x) => { x.push(t); None },
[INFO] [stderr] 105 | |             None => Some(t)
[INFO] [stderr] 106 | |         }} {
[INFO] [stderr] 107 | |             Some(x) => { self.next_timeouts.insert(when, vec![x]); }
[INFO] [stderr] 108 | |             None => ()
[INFO] [stderr] 109 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 103 |         if let Some(x) = {match self.next_timeouts.get_mut(&when) {
[INFO] [stderr] 104 |             Some(x) => { x.push(t); None },
[INFO] [stderr] 105 |             None => Some(t)
[INFO] [stderr] 106 |         }} { self.next_timeouts.insert(when, vec![x]); }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/node.rs:131:43
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn deregister_event(&mut self, token: &Token) -> io::Result<bool> {
[INFO] [stderr]     |                                           ^^^^^^ help: consider passing by value instead: `Token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:146:21
[INFO] [stderr]     |
[INFO] [stderr] 146 | /                     match {
[INFO] [stderr] 147 | |                         match tos.iter().enumerate().find(|&x| x.1.id == *token) {
[INFO] [stderr] 148 | |                             Some((i, _elem)) => Some(i),
[INFO] [stderr] 149 | |                             None => None
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |                         None => ()
[INFO] [stderr] 158 | |                     };
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     if let Some(i) = {
[INFO] [stderr] 147 |                         match tos.iter().enumerate().find(|&x| x.1.id == *token) {
[INFO] [stderr] 148 |                             Some((i, _elem)) => Some(i),
[INFO] [stderr] 149 |                             None => None
[INFO] [stderr] 150 |                         }
[INFO] [stderr] 151 |                     } {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/node.rs:154:68
[INFO] [stderr]     |
[INFO] [stderr] 154 |                             if tos.is_empty() { remove_time = Some(time.clone()); }
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^ help: try dereferencing it: `*time`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/node.rs:174:59
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let tcb = TimerCb { cb: cb, interval, millis, id: id.clone() };
[INFO] [stderr]     |                                                           ^^^^^^^^^^ help: try removing the `clone` call: `id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/node.rs:208:43
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn deregister_event(&self, token: &Token) -> io::Result<bool> {
[INFO] [stderr]     |                                           ^^^^^^ help: consider passing by value instead: `Token`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 | /         match w.handlers.get(&Token::from(ev.token())) {
[INFO] [stderr] 341 | |             Some(eh) => { eh.handler.call(()); }
[INFO] [stderr] 342 | |             None => ()
[INFO] [stderr] 343 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(eh) = w.handlers.get(&Token::from(ev.token())) { eh.handler.call(()); }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/node.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 | /     loop {
[INFO] [stderr] 347 | |         match w.callback_receiver.try_recv() {
[INFO] [stderr] 348 | |             Ok(cb) => { calls.push(cb) }
[INFO] [stderr] 349 | |             _ => break,
[INFO] [stderr] 350 | |         }
[INFO] [stderr] 351 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Ok(cb) = w.callback_receiver.try_recv() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/node.rs:352:8
[INFO] [stderr]     |
[INFO] [stderr] 352 |     if calls.len() > 0 { return true; }
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!calls.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/node.rs:354:45
[INFO] [stderr]     |
[INFO] [stderr] 354 |     if 0 == w.event_count && dur == None && 0 == callback_by_id.len() { return false; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `callback_by_id.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/dgram.rs:97:69
[INFO] [stderr]    |
[INFO] [stderr] 97 |                             cb.call(Message { buf: buf.clone(), sa: sa.clone() });
[INFO] [stderr]    |                                                                     ^^^^^^^^^^ help: try removing the `clone` call: `sa`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/node.rs:82:32
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     dur = Some(time.clone() - self.now);
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: try dereferencing it: `*time`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `x`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/node.rs:89:23
[INFO] [stderr]    |
[INFO] [stderr] 89 |             for xx in x {
[INFO] [stderr]    |                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for xx in x` with `if let Some(xx) = x`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 | /         match {match self.next_timeouts.get_mut(&when) {
[INFO] [stderr] 104 | |             Some(x) => { x.push(t); None },
[INFO] [stderr] 105 | |             None => Some(t)
[INFO] [stderr] 106 | |         }} {
[INFO] [stderr] 107 | |             Some(x) => { self.next_timeouts.insert(when, vec![x]); }
[INFO] [stderr] 108 | |             None => ()
[INFO] [stderr] 109 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 103 |         if let Some(x) = {match self.next_timeouts.get_mut(&when) {
[INFO] [stderr] 104 |             Some(x) => { x.push(t); None },
[INFO] [stderr] 105 |             None => Some(t)
[INFO] [stderr] 106 |         }} { self.next_timeouts.insert(when, vec![x]); }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/node.rs:131:43
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn deregister_event(&mut self, token: &Token) -> io::Result<bool> {
[INFO] [stderr]     |                                           ^^^^^^ help: consider passing by value instead: `Token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:146:21
[INFO] [stderr]     |
[INFO] [stderr] 146 | /                     match {
[INFO] [stderr] 147 | |                         match tos.iter().enumerate().find(|&x| x.1.id == *token) {
[INFO] [stderr] 148 | |                             Some((i, _elem)) => Some(i),
[INFO] [stderr] 149 | |                             None => None
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |                         None => ()
[INFO] [stderr] 158 | |                     };
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     if let Some(i) = {
[INFO] [stderr] 147 |                         match tos.iter().enumerate().find(|&x| x.1.id == *token) {
[INFO] [stderr] 148 |                             Some((i, _elem)) => Some(i),
[INFO] [stderr] 149 |                             None => None
[INFO] [stderr] 150 |                         }
[INFO] [stderr] 151 |                     } {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/node.rs:154:68
[INFO] [stderr]     |
[INFO] [stderr] 154 |                             if tos.is_empty() { remove_time = Some(time.clone()); }
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^ help: try dereferencing it: `*time`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/node.rs:174:59
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let tcb = TimerCb { cb: cb, interval, millis, id: id.clone() };
[INFO] [stderr]     |                                                           ^^^^^^^^^^ help: try removing the `clone` call: `id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/node.rs:208:43
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub fn deregister_event(&self, token: &Token) -> io::Result<bool> {
[INFO] [stderr]     |                                           ^^^^^^ help: consider passing by value instead: `Token`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/node.rs:340:9
[INFO] [stderr]     |
[INFO] [stderr] 340 | /         match w.handlers.get(&Token::from(ev.token())) {
[INFO] [stderr] 341 | |             Some(eh) => { eh.handler.call(()); }
[INFO] [stderr] 342 | |             None => ()
[INFO] [stderr] 343 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Some(eh) = w.handlers.get(&Token::from(ev.token())) { eh.handler.call(()); }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `noders`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/node.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 | /     loop {
[INFO] [stderr] 347 | |         match w.callback_receiver.try_recv() {
[INFO] [stderr] 348 | |             Ok(cb) => { calls.push(cb) }
[INFO] [stderr] 349 | |             _ => break,
[INFO] [stderr] 350 | |         }
[INFO] [stderr] 351 | |     }
[INFO] [stderr]     | |_____^ help: try: `while let Ok(cb) = w.callback_receiver.try_recv() { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/node.rs:352:8
[INFO] [stderr]     |
[INFO] [stderr] 352 |     if calls.len() > 0 { return true; }
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!calls.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/node.rs:354:45
[INFO] [stderr]     |
[INFO] [stderr] 354 |     if 0 == w.event_count && dur == None && 0 == callback_by_id.len() { return false; }
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `callback_by_id.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/dgram.rs:97:69
[INFO] [stderr]    |
[INFO] [stderr] 97 |                             cb.call(Message { buf: buf.clone(), sa: sa.clone() });
[INFO] [stderr]    |                                                                     ^^^^^^^^^^ help: try removing the `clone` call: `sa`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `noders`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0c10bd9a2944a1261ecaf2b867841a152991c2875d94f454770239b7a5221718"`
[INFO] running `"docker" "rm" "-f" "0c10bd9a2944a1261ecaf2b867841a152991c2875d94f454770239b7a5221718"`
[INFO] [stdout] 0c10bd9a2944a1261ecaf2b867841a152991c2875d94f454770239b7a5221718