[INFO] fetching crate sharded_queue 2.0.1...
[INFO] building sharded_queue-2.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate sharded_queue 2.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sharded_queue 2.0.1
[INFO] finished tweaking crates.io crate sharded_queue 2.0.1
[INFO] tweaked toml for crates.io crate sharded_queue 2.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sharded_queue 2.0.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d039fa21378df0932c9c32eeb65ab339ae67b21f3b0afbe31b5703f678cbae4
[INFO] running `Command { std: "docker" "start" "-a" "2d039fa21378df0932c9c32eeb65ab339ae67b21f3b0afbe31b5703f678cbae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d039fa21378df0932c9c32eeb65ab339ae67b21f3b0afbe31b5703f678cbae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d039fa21378df0932c9c32eeb65ab339ae67b21f3b0afbe31b5703f678cbae4", kill_on_drop: false }`
[INFO] [stdout] 2d039fa21378df0932c9c32eeb65ab339ae67b21f3b0afbe31b5703f678cbae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f60e93abe2c088a41966004485f613c0d72caddc3f0fc82a66c06579da963b
[INFO] running `Command { std: "docker" "start" "-a" "46f60e93abe2c088a41966004485f613c0d72caddc3f0fc82a66c06579da963b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling sharded_queue v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 304 | |             /// because remainder of division can not be greater
[INFO] [stdout] 305 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 306 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 307 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         /// Note that since we already incremented `head_index`,
[INFO] [stdout] 311 | |         /// it is important to complete operation. If we tried
[INFO] [stdout] 312 | |         /// to implement `try_remove_first`, we would need to somehow
[INFO] [stdout] 313 | |         /// balance our `head_index`, complexifying logic and
[INFO] [stdout] 314 | |         /// introducing overhead, and even if we need it,
[INFO] [stdout] 315 | |         /// we can just check length outside before calling this method
[INFO] [stdout]     | |_______________________________________________________________________^
[INFO] [stdout] 316 |           let is_locked = &unsafe_queue_and_is_locked.1;
[INFO] [stdout]     |           ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 319 | |             /// because [std::sync::Mutex::lock] may block thread, which we want to avoid,
[INFO] [stdout] 320 | |             /// and queue operations under lock have complexity
[INFO] [stdout] 321 | |             /// amortized O(1), which is very fast and has little
[INFO] [stdout] ...   |
[INFO] [stdout] 325 | |             /// because replacing [std::sync::Mutex::try_lock]
[INFO] [stdout] 326 | |             /// with pure atomic gives ~2 times better performance
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 327 | /             if is_locked
[INFO] [stdout] 328 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 329 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 333 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 334 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 335 | |                     ///
[INFO] [stdout] 336 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 337 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 338 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 339 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 | /                 /// If we acquired lock after [ShardedQueue::push_back] and have [Item],
[INFO] [stdout] 343 | |                 /// we can return [Item], otherwise we should unlock and restart
[INFO] [stdout] 344 | |                 /// spinning, giving [ShardedQueue::push_back] chance to acquire lock
[INFO] [stdout]     | |_____________________________________________________________________________________^
[INFO] [stdout] 345 | /                 match queue.pop_front() {
[INFO] [stdout] 346 | |                     None => {
[INFO] [stdout] 347 | |                         is_locked.store(false, Ordering::Release);
[INFO] [stdout] ...   |
[INFO] [stdout] 353 | |                 }
[INFO] [stdout]     | |_________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 362 | |             /// because remainder of division can not be greater
[INFO] [stdout] 363 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 364 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 365 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 371 | |             /// because it may block thread, which we want to avoid,
[INFO] [stdout] 372 | |             /// and operation [VecDeque::push_back] under lock has complexity
[INFO] [stdout] 373 | |             /// amortized O(1), which is very fast
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |             /// because we achieved 2 times faster performance in benchmarks by using raw
[INFO] [stdout] 377 | |             /// [AtomicBool]
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 378 | /             if is_locked
[INFO] [stdout] 379 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 380 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 395 | |                 break;
[INFO] [stdout] 396 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 384 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 385 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 386 | |                     ///
[INFO] [stdout] 387 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 388 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 389 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 390 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShardedQueueSendSyncImplementationsDocTests` is never constructed
[INFO] [stdout]    --> src/lib.rs:486:8
[INFO] [stdout]     |
[INFO] [stdout] 486 | struct ShardedQueueSendSyncImplementationsDocTests {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "46f60e93abe2c088a41966004485f613c0d72caddc3f0fc82a66c06579da963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f60e93abe2c088a41966004485f613c0d72caddc3f0fc82a66c06579da963b", kill_on_drop: false }`
[INFO] [stdout] 46f60e93abe2c088a41966004485f613c0d72caddc3f0fc82a66c06579da963b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b6d4a951a1fa457c4dbb050f0dea0a1217c542bd0140423ca9e4b0dc8b92fa3
[INFO] running `Command { std: "docker" "start" "-a" "8b6d4a951a1fa457c4dbb050f0dea0a1217c542bd0140423ca9e4b0dc8b92fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nameof v1.3.0
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 304 | |             /// because remainder of division can not be greater
[INFO] [stdout] 305 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 306 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 307 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         /// Note that since we already incremented `head_index`,
[INFO] [stdout] 311 | |         /// it is important to complete operation. If we tried
[INFO] [stdout] 312 | |         /// to implement `try_remove_first`, we would need to somehow
[INFO] [stdout] 313 | |         /// balance our `head_index`, complexifying logic and
[INFO] [stdout] 314 | |         /// introducing overhead, and even if we need it,
[INFO] [stdout] 315 | |         /// we can just check length outside before calling this method
[INFO] [stdout]     | |_______________________________________________________________________^
[INFO] [stdout] 316 |           let is_locked = &unsafe_queue_and_is_locked.1;
[INFO] [stdout]     |           ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 319 | |             /// because [std::sync::Mutex::lock] may block thread, which we want to avoid,
[INFO] [stdout] 320 | |             /// and queue operations under lock have complexity
[INFO] [stdout] 321 | |             /// amortized O(1), which is very fast and has little
[INFO] [stdout] ...   |
[INFO] [stdout] 325 | |             /// because replacing [std::sync::Mutex::try_lock]
[INFO] [stdout] 326 | |             /// with pure atomic gives ~2 times better performance
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 327 | /             if is_locked
[INFO] [stdout] 328 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 329 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 333 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 334 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 335 | |                     ///
[INFO] [stdout] 336 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 337 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 338 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 339 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 | /                 /// If we acquired lock after [ShardedQueue::push_back] and have [Item],
[INFO] [stdout] 343 | |                 /// we can return [Item], otherwise we should unlock and restart
[INFO] [stdout] 344 | |                 /// spinning, giving [ShardedQueue::push_back] chance to acquire lock
[INFO] [stdout]     | |_____________________________________________________________________________________^
[INFO] [stdout] 345 | /                 match queue.pop_front() {
[INFO] [stdout] 346 | |                     None => {
[INFO] [stdout] 347 | |                         is_locked.store(false, Ordering::Release);
[INFO] [stdout] ...   |
[INFO] [stdout] 353 | |                 }
[INFO] [stdout]     | |_________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 362 | |             /// because remainder of division can not be greater
[INFO] [stdout] 363 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 364 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 365 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 371 | |             /// because it may block thread, which we want to avoid,
[INFO] [stdout] 372 | |             /// and operation [VecDeque::push_back] under lock has complexity
[INFO] [stdout] 373 | |             /// amortized O(1), which is very fast
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |             /// because we achieved 2 times faster performance in benchmarks by using raw
[INFO] [stdout] 377 | |             /// [AtomicBool]
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 378 | /             if is_locked
[INFO] [stdout] 379 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 380 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 395 | |                 break;
[INFO] [stdout] 396 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 384 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 385 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 386 | |                     ///
[INFO] [stdout] 387 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 388 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 389 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 390 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShardedQueueSendSyncImplementationsDocTests` is never constructed
[INFO] [stdout]    --> src/lib.rs:486:8
[INFO] [stdout]     |
[INFO] [stdout] 486 | struct ShardedQueueSendSyncImplementationsDocTests {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling sharded_queue v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 304 | |             /// because remainder of division can not be greater
[INFO] [stdout] 305 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 306 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 307 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:310:9
[INFO] [stdout]     |
[INFO] [stdout] 310 | /         /// Note that since we already incremented `head_index`,
[INFO] [stdout] 311 | |         /// it is important to complete operation. If we tried
[INFO] [stdout] 312 | |         /// to implement `try_remove_first`, we would need to somehow
[INFO] [stdout] 313 | |         /// balance our `head_index`, complexifying logic and
[INFO] [stdout] 314 | |         /// introducing overhead, and even if we need it,
[INFO] [stdout] 315 | |         /// we can just check length outside before calling this method
[INFO] [stdout]     | |_______________________________________________________________________^
[INFO] [stdout] 316 |           let is_locked = &unsafe_queue_and_is_locked.1;
[INFO] [stdout]     |           ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 319 | |             /// because [std::sync::Mutex::lock] may block thread, which we want to avoid,
[INFO] [stdout] 320 | |             /// and queue operations under lock have complexity
[INFO] [stdout] 321 | |             /// amortized O(1), which is very fast and has little
[INFO] [stdout] ...   |
[INFO] [stdout] 325 | |             /// because replacing [std::sync::Mutex::try_lock]
[INFO] [stdout] 326 | |             /// with pure atomic gives ~2 times better performance
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 327 | /             if is_locked
[INFO] [stdout] 328 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 329 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 354 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:332:21
[INFO] [stdout]     |
[INFO] [stdout] 332 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 333 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 334 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 335 | |                     ///
[INFO] [stdout] 336 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 337 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 338 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 339 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:342:17
[INFO] [stdout]     |
[INFO] [stdout] 342 | /                 /// If we acquired lock after [ShardedQueue::push_back] and have [Item],
[INFO] [stdout] 343 | |                 /// we can return [Item], otherwise we should unlock and restart
[INFO] [stdout] 344 | |                 /// spinning, giving [ShardedQueue::push_back] chance to acquire lock
[INFO] [stdout]     | |_____________________________________________________________________________________^
[INFO] [stdout] 345 | /                 match queue.pop_front() {
[INFO] [stdout] 346 | |                     None => {
[INFO] [stdout] 347 | |                         is_locked.store(false, Ordering::Release);
[INFO] [stdout] ...   |
[INFO] [stdout] 353 | |                 }
[INFO] [stdout]     | |_________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 | /             /// SAFETY: [queue_index] can not be out of bounds,
[INFO] [stdout] 362 | |             /// because remainder of division can not be greater
[INFO] [stdout] 363 | |             /// than divided number
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout] 364 | /             self.unsafe_queue_and_is_locked_list
[INFO] [stdout] 365 | |                 .get_unchecked(queue_index)
[INFO] [stdout]     | |___________________________________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 | /             /// We don't use [std::sync::Mutex::lock],
[INFO] [stdout] 371 | |             /// because it may block thread, which we want to avoid,
[INFO] [stdout] 372 | |             /// and operation [VecDeque::push_back] under lock has complexity
[INFO] [stdout] 373 | |             /// amortized O(1), which is very fast
[INFO] [stdout] ...   |
[INFO] [stdout] 376 | |             /// because we achieved 2 times faster performance in benchmarks by using raw
[INFO] [stdout] 377 | |             /// [AtomicBool]
[INFO] [stdout]     | |____________________________^
[INFO] [stdout] 378 | /             if is_locked
[INFO] [stdout] 379 | |                 .compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
[INFO] [stdout] 380 | |                 .is_ok()
[INFO] [stdout] ...   |
[INFO] [stdout] 395 | |                 break;
[INFO] [stdout] 396 | |             }
[INFO] [stdout]     | |_____________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:383:21
[INFO] [stdout]     |
[INFO] [stdout] 383 | /                     /// SAFETY: We do operations on [unsafe_queue_and_is_locked] only between
[INFO] [stdout] 384 | |                     /// acquiring of [AtomicBool] with [Ordering::Acquire] and releasing with
[INFO] [stdout] 385 | |                     /// [Ordering::Release], so it is synchronized
[INFO] [stdout] 386 | |                     ///
[INFO] [stdout] 387 | |                     /// [ShardedQueue] is [Send] only when [Item] is [Send], so it is safe
[INFO] [stdout] 388 | |                     /// to send [Item] to other thread when [ShardedQueue] can be accessed
[INFO] [stdout] 389 | |                     /// from other thread
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] 390 |                       &mut *unsafe_queue_and_is_locked.0.get()
[INFO] [stdout]     |                       ---------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShardedQueueSendSyncImplementationsDocTests` is never constructed
[INFO] [stdout]    --> src/lib.rs:486:8
[INFO] [stdout]     |
[INFO] [stdout] 486 | struct ShardedQueueSendSyncImplementationsDocTests {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.66s
[INFO] running `Command { std: "docker" "inspect" "8b6d4a951a1fa457c4dbb050f0dea0a1217c542bd0140423ca9e4b0dc8b92fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6d4a951a1fa457c4dbb050f0dea0a1217c542bd0140423ca9e4b0dc8b92fa3", kill_on_drop: false }`
[INFO] [stdout] 8b6d4a951a1fa457c4dbb050f0dea0a1217c542bd0140423ca9e4b0dc8b92fa3
