[INFO] crate qutex 0.2.1 is already in cache
[INFO] extracting crate qutex 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/qutex/0.2.1
[INFO] extracting crate qutex 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qutex/0.2.1
[INFO] validating manifest of qutex-0.2.1 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 qutex-0.2.1 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 qutex-0.2.1
[INFO] finished frobbing qutex-0.2.1
[INFO] frobbed toml for qutex-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/qutex/0.2.1/Cargo.toml
[INFO] started frobbing qutex-0.2.1
[INFO] finished frobbing qutex-0.2.1
[INFO] frobbed toml for qutex-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qutex/0.2.1/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 qutex-0.2.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/qutex/0.2.1:/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 -Dclippy::into_iter_on_array" "-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] 78d1d282da5d291d84f877d01d997ed44bedee00bdfa0d61928af449f123608c
[INFO] running `"docker" "start" "-a" "78d1d282da5d291d84f877d01d997ed44bedee00bdfa0d61928af449f123608c"`
[INFO] [stderr]     Checking qutex v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/qutex.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             rx: rx,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `rx`
[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/qutex.rs:135:19
[INFO] [stderr]     |
[INFO] [stderr] 135 |         Request { tx: tx }
[INFO] [stderr]     |                   ^^^^^^ help: replace it with: `tx`
[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/qrw_lock.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:418:13
[INFO] [stderr]     |
[INFO] [stderr] 418 |             tx: tx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `tx`
[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/qrw_lock.rs:419:13
[INFO] [stderr]     |
[INFO] [stderr] 419 |             kind: kind,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `kind`
[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/qutex.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             rx: rx,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `rx`
[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/qutex.rs:135:19
[INFO] [stderr]     |
[INFO] [stderr] 135 |         Request { tx: tx }
[INFO] [stderr]     |                   ^^^^^^ help: replace it with: `tx`
[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/qrw_lock.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:347:13
[INFO] [stderr]     |
[INFO] [stderr] 347 |             rx: rx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `rx`
[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/qrw_lock.rs:418:13
[INFO] [stderr]     |
[INFO] [stderr] 418 |             tx: tx,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `tx`
[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/qrw_lock.rs:419:13
[INFO] [stderr]     |
[INFO] [stderr] 419 |             kind: kind,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `kind`
[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: long literal lacking separators
[INFO] [stderr]   --> src/qrw_lock.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 | const READ_COUNT_MASK: usize = 0x00FFFFFF;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: consider: `0x00FF_FFFF`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/qrw_lock.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 | const READ_COUNT_MASK: usize = 0x00FFFFFF;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: consider: `0x00FF_FFFF`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/qutex.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 Err(e) => Err(e.into()),
[INFO] [stderr]    |                               ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[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/qutex.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 | /             match self.rx.poll() {
[INFO] [stderr] 111 | |                 Ok(status) => {
[INFO] [stderr] 112 | |                     match status {
[INFO] [stderr] 113 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                 Err(_) => (),
[INFO] [stderr] 120 | |             }
[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] 110 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 111 |     match status {
[INFO] [stderr] 112 |         Async::Ready(_) => {
[INFO] [stderr] 113 |             unsafe { qutex.direct_unlock(); }
[INFO] [stderr] 114 |         },
[INFO] [stderr] 115 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 249 | /                     match rx.poll() {
[INFO] [stderr] 250 | |                         Ok(status) => {
[INFO] [stderr] 251 | |                             match status {
[INFO] [stderr] 252 | |                                 Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |                         Err(_) => (),
[INFO] [stderr] 259 | |                     }
[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] 249 |                     if let Ok(status) = rx.poll() {
[INFO] [stderr] 250 |     match status {
[INFO] [stderr] 251 |         Async::Ready(_) => {
[INFO] [stderr] 252 |             unsafe { lock.release_write_lock() }
[INFO] [stderr] 253 |         },
[INFO] [stderr] 254 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 | /             match self.rx.poll() {
[INFO] [stderr] 319 | |                 Ok(status) => {
[INFO] [stderr] 320 | |                     match status {
[INFO] [stderr] 321 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 327 | |                 Err(_) => (),
[INFO] [stderr] 328 | |             }
[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] 318 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 319 |     match status {
[INFO] [stderr] 320 |         Async::Ready(_) => {
[INFO] [stderr] 321 |             unsafe { lock.release_read_lock() }
[INFO] [stderr] 322 |         },
[INFO] [stderr] 323 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:383:13
[INFO] [stderr]     |
[INFO] [stderr] 383 | /             match self.rx.poll() {
[INFO] [stderr] 384 | |                 Ok(status) => {
[INFO] [stderr] 385 | |                     match status {
[INFO] [stderr] 386 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |                 Err(_) => (),
[INFO] [stderr] 393 | |             }
[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] 383 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 384 |     match status {
[INFO] [stderr] 385 |         Async::Ready(_) => {
[INFO] [stderr] 386 |             unsafe { lock.release_write_lock() }
[INFO] [stderr] 387 |         },
[INFO] [stderr] 388 |         Async::NotReady => (),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/qrw_lock.rs:652:9
[INFO] [stderr]     |
[INFO] [stderr] 652 | /         loop {
[INFO] [stderr] 653 | |             match self.inner.upgrade_queue.try_pop() {
[INFO] [stderr] 654 | |                 Some(tx) => {
[INFO] [stderr] 655 | |                     match tx.send(()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 669 | |             }
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Some(tx) = self.inner.upgrade_queue.try_pop() { .. }`
[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: identical conversion
[INFO] [stderr]   --> src/qutex.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 Err(e) => Err(e.into()),
[INFO] [stderr]    |                               ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[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/qutex.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 | /             match self.rx.poll() {
[INFO] [stderr] 111 | |                 Ok(status) => {
[INFO] [stderr] 112 | |                     match status {
[INFO] [stderr] 113 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                 Err(_) => (),
[INFO] [stderr] 120 | |             }
[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] 110 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 111 |     match status {
[INFO] [stderr] 112 |         Async::Ready(_) => {
[INFO] [stderr] 113 |             unsafe { qutex.direct_unlock(); }
[INFO] [stderr] 114 |         },
[INFO] [stderr] 115 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 249 | /                     match rx.poll() {
[INFO] [stderr] 250 | |                         Ok(status) => {
[INFO] [stderr] 251 | |                             match status {
[INFO] [stderr] 252 | |                                 Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |                         Err(_) => (),
[INFO] [stderr] 259 | |                     }
[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] 249 |                     if let Ok(status) = rx.poll() {
[INFO] [stderr] 250 |     match status {
[INFO] [stderr] 251 |         Async::Ready(_) => {
[INFO] [stderr] 252 |             unsafe { lock.release_write_lock() }
[INFO] [stderr] 253 |         },
[INFO] [stderr] 254 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 | /             match self.rx.poll() {
[INFO] [stderr] 319 | |                 Ok(status) => {
[INFO] [stderr] 320 | |                     match status {
[INFO] [stderr] 321 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 327 | |                 Err(_) => (),
[INFO] [stderr] 328 | |             }
[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] 318 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 319 |     match status {
[INFO] [stderr] 320 |         Async::Ready(_) => {
[INFO] [stderr] 321 |             unsafe { lock.release_read_lock() }
[INFO] [stderr] 322 |         },
[INFO] [stderr] 323 |         Async::NotReady => (),
[INFO] [stderr]   ...
[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/qrw_lock.rs:383:13
[INFO] [stderr]     |
[INFO] [stderr] 383 | /             match self.rx.poll() {
[INFO] [stderr] 384 | |                 Ok(status) => {
[INFO] [stderr] 385 | |                     match status {
[INFO] [stderr] 386 | |                         Async::Ready(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 392 | |                 Err(_) => (),
[INFO] [stderr] 393 | |             }
[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] 383 |             if let Ok(status) = self.rx.poll() {
[INFO] [stderr] 384 |     match status {
[INFO] [stderr] 385 |         Async::Ready(_) => {
[INFO] [stderr] 386 |             unsafe { lock.release_write_lock() }
[INFO] [stderr] 387 |         },
[INFO] [stderr] 388 |         Async::NotReady => (),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/qrw_lock.rs:652:9
[INFO] [stderr]     |
[INFO] [stderr] 652 | /         loop {
[INFO] [stderr] 653 | |             match self.inner.upgrade_queue.try_pop() {
[INFO] [stderr] 654 | |                 Some(tx) => {
[INFO] [stderr] 655 | |                     match tx.send(()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 669 | |             }
[INFO] [stderr] 670 | |         }
[INFO] [stderr]     | |_________^ help: try: `while let Some(tx) = self.inner.upgrade_queue.try_pop() { .. }`
[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: use of `expect` followed by a function call
[INFO] [stderr]     --> src/qrw_lock.rs:1092:27
[INFO] [stderr]      |
[INFO] [stderr] 1092 |             handle.join().expect(&format!("Error joining thread: {:?}", name));
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error joining thread: {:?}", name))`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "78d1d282da5d291d84f877d01d997ed44bedee00bdfa0d61928af449f123608c"`
[INFO] running `"docker" "rm" "-f" "78d1d282da5d291d84f877d01d997ed44bedee00bdfa0d61928af449f123608c"`
[INFO] [stdout] 78d1d282da5d291d84f877d01d997ed44bedee00bdfa0d61928af449f123608c