[INFO] cloning repository https://github.com/kingfree/readerwriterqueue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kingfree/readerwriterqueue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] defa33c455cff73c22b1d8928a0bc4a106859350
[INFO] testing kingfree/readerwriterqueue against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkingfree%2Freaderwriterqueue" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kingfree/readerwriterqueue on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kingfree/readerwriterqueue
[INFO] finished tweaking git repo https://github.com/kingfree/readerwriterqueue
[INFO] tweaked toml for git repo https://github.com/kingfree/readerwriterqueue written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kingfree/readerwriterqueue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9a9d7b15c8587dcd77cd01e33a56035f3a1d15b0be3e80f98fc5e4eafc0b59a
[INFO] running `Command { std: "docker" "start" "-a" "d9a9d7b15c8587dcd77cd01e33a56035f3a1d15b0be3e80f98fc5e4eafc0b59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9a9d7b15c8587dcd77cd01e33a56035f3a1d15b0be3e80f98fc5e4eafc0b59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a9d7b15c8587dcd77cd01e33a56035f3a1d15b0be3e80f98fc5e4eafc0b59a", kill_on_drop: false }`
[INFO] [stdout] d9a9d7b15c8587dcd77cd01e33a56035f3a1d15b0be3e80f98fc5e4eafc0b59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b51ac28c075d130ccd038fd24ec40cf2ca5e9df5b822ba9bab8b15b402d944da
[INFO] running `Command { std: "docker" "start" "-a" "b51ac28c075d130ccd038fd24ec40cf2ca5e9df5b822ba9bab8b15b402d944da", kill_on_drop: false }`
[INFO] [stderr]    Compiling readerwriterqueue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/queue.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem::{self, align_of, size_of};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe impl<T: Send> Sync for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | unsafe impl<T: Send> Send for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/queue.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             for i in 0..initial_block_count {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `front_block_`
[INFO] [stdout]    --> src/queue.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let front_block_ = self.front_block.load(Ordering::Relaxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/queue.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_alloc`
[INFO] [stdout]    --> src/queue.rs:301:41
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read
[INFO] [stdout]   --> src/queue.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::<AtomicPtr<Block>>()],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     dequeuing: AtomicBool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read
[INFO] [stdout]    --> src/queue.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | struct Block {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 350 |     cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     local_front: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 354 |     cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/queue.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn peek(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/queue.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn pop(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b51ac28c075d130ccd038fd24ec40cf2ca5e9df5b822ba9bab8b15b402d944da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51ac28c075d130ccd038fd24ec40cf2ca5e9df5b822ba9bab8b15b402d944da", kill_on_drop: false }`
[INFO] [stdout] b51ac28c075d130ccd038fd24ec40cf2ca5e9df5b822ba9bab8b15b402d944da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac03914ac631d1b21083bc9092657cb8f7ce896efe5b735e82b4f7ffabc841d7
[INFO] running `Command { std: "docker" "start" "-a" "ac03914ac631d1b21083bc9092657cb8f7ce896efe5b735e82b4f7ffabc841d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/queue.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem::{self, align_of, size_of};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe impl<T: Send> Sync for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | unsafe impl<T: Send> Send for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/queue.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             for i in 0..initial_block_count {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `front_block_`
[INFO] [stdout]    --> src/queue.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let front_block_ = self.front_block.load(Ordering::Relaxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/queue.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_alloc`
[INFO] [stdout]    --> src/queue.rs:301:41
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read
[INFO] [stdout]   --> src/queue.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::<AtomicPtr<Block>>()],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     dequeuing: AtomicBool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read
[INFO] [stdout]    --> src/queue.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | struct Block {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 350 |     cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     local_front: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 354 |     cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/queue.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn peek(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/queue.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn pop(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling readerwriterqueue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/queue.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::mem::{self, align_of, size_of};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]   --> tests/stabtest.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn unpredictable_delay(extra: usize) {}
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe impl<T: Send> Sync for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/queue.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | unsafe impl<T: Send> Send for ReaderWriterQueue<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout]    = note: `512` is not a generic parameter
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/queue.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/stabtest.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut q = ReaderWriterQueue::<usize>::with_size(n);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/queue.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             for i in 0..initial_block_count {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `front_block_`
[INFO] [stdout]    --> src/queue.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |             let front_block_ = self.front_block.load(Ordering::Relaxed);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element`
[INFO] [stdout]    --> src/queue.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_alloc`
[INFO] [stdout]    --> src/queue.rs:301:41
[INFO] [stdout]     |
[INFO] [stdout] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler` and `dequeuing` are never read
[INFO] [stdout]   --> src/queue.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::<AtomicPtr<Block>>()],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     dequeuing: AtomicBool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read
[INFO] [stdout]    --> src/queue.rs:350:5
[INFO] [stdout]     |
[INFO] [stdout] 347 | struct Block {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 350 |     cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     local_front: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 354 |     cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek` is never used
[INFO] [stdout]    --> src/queue.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn peek(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]    --> src/queue.rs:260:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn pop(&self) -> bool {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "ac03914ac631d1b21083bc9092657cb8f7ce896efe5b735e82b4f7ffabc841d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac03914ac631d1b21083bc9092657cb8f7ce896efe5b735e82b4f7ffabc841d7", kill_on_drop: false }`
[INFO] [stdout] ac03914ac631d1b21083bc9092657cb8f7ce896efe5b735e82b4f7ffabc841d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e91606d193d5f16c4ffe8abd86b765357053c506433feb87a99d818c5dad54a
[INFO] running `Command { std: "docker" "start" "-a" "1e91606d193d5f16c4ffe8abd86b765357053c506433feb87a99d818c5dad54a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/queue.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::mem::{self, align_of, size_of};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cross-crate traits with a default impl, like `Sync`, should not be specialized
[INFO] [stderr]   --> src/queue.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | unsafe impl<T: Send> Sync for ReaderWriterQueue<T> {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this will change its meaning in a future release!
[INFO] [stderr]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stderr]    = note: `512` is not a generic parameter
[INFO] [stderr] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stderr]   --> src/queue.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stderr]   --> src/queue.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | unsafe impl<T: Send> Send for ReaderWriterQueue<T> {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this will change its meaning in a future release!
[INFO] [stderr]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stderr]    = note: `512` is not a generic parameter
[INFO] [stderr] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stderr]   --> src/queue.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/queue.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             for i in 0..initial_block_count {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `front_block_`
[INFO] [stderr]    --> src/queue.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |             let front_block_ = self.front_block.load(Ordering::Relaxed);
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_front_block_`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element`
[INFO] [stderr]    --> src/queue.rs:301:29
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_alloc`
[INFO] [stderr]    --> src/queue.rs:301:41
[INFO] [stderr]     |
[INFO] [stderr] 301 |     fn inner_enqueue(&self, element: T, can_alloc: bool) -> bool {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_alloc`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cacheline_filler` and `dequeuing` are never read
[INFO] [stderr]   --> src/queue.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct ReaderWriterQueue<T, const MAX_BLOCK_SIZE: usize = 512> {
[INFO] [stderr]    |            ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 35 |     cacheline_filler: [u8; CACHE_LINE_SIZE - size_of::<AtomicPtr<Block>>()],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     dequeuing: AtomicBool,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cacheline_filler0`, `local_front`, and `cacheline_filler1` are never read
[INFO] [stderr]    --> src/queue.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 347 | struct Block {
[INFO] [stderr]     |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 350 |     cacheline_filler0: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 353 |     local_front: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 354 |     cacheline_filler1: [u8; CACHE_LINE_SIZE - size_of::<AtomicUsize>() - size_of::<usize>()],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `peek` is never used
[INFO] [stderr]    --> src/queue.rs:211:8
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn peek(&self) -> Option<&T> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `pop` is never used
[INFO] [stderr]    --> src/queue.rs:260:8
[INFO] [stderr]     |
[INFO] [stderr] 260 |     fn pop(&self) -> bool {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `readerwriterqueue` (lib) generated 11 warnings (run `cargo fix --lib -p readerwriterqueue` to apply 5 suggestions)
[INFO] [stderr] warning: `readerwriterqueue` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: unused variable: `extra`
[INFO] [stderr]   --> tests/stabtest.rs:29:24
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn unpredictable_delay(extra: usize) {}
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/stabtest.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut q = ReaderWriterQueue::<usize>::with_size(n);
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `readerwriterqueue` (test "stabtest") generated 2 warnings (run `cargo fix --test "stabtest"` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/readerwriterqueue-b2ff52c039bb099f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stabtest.rs (/opt/rustwide/target/debug/deps/stabtest-333e7874098a35ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1e91606d193d5f16c4ffe8abd86b765357053c506433feb87a99d818c5dad54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e91606d193d5f16c4ffe8abd86b765357053c506433feb87a99d818c5dad54a", kill_on_drop: false }`
[INFO] [stdout] 1e91606d193d5f16c4ffe8abd86b765357053c506433feb87a99d818c5dad54a
