[INFO] fetching crate multi_stack_queue 0.3.0...
[INFO] testing multi_stack_queue-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multi_stack_queue 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] finished tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] tweaked toml for crates.io crate multi_stack_queue 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi_stack_queue 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bab0f6e053c10676189d8fdb8a828d03b43f857277c66f8ef4dca8ceb6e77296
[INFO] running `Command { std: "docker" "start" "-a" "bab0f6e053c10676189d8fdb8a828d03b43f857277c66f8ef4dca8ceb6e77296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab0f6e053c10676189d8fdb8a828d03b43f857277c66f8ef4dca8ceb6e77296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab0f6e053c10676189d8fdb8a828d03b43f857277c66f8ef4dca8ceb6e77296", kill_on_drop: false }`
[INFO] [stdout] bab0f6e053c10676189d8fdb8a828d03b43f857277c66f8ef4dca8ceb6e77296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e0b5b962d208d28d1a066fb4858b85d36f84e8b17f8e21e81dc3ff52df7f6e
[INFO] running `Command { std: "docker" "start" "-a" "a2e0b5b962d208d28d1a066fb4858b85d36f84e8b17f8e21e81dc3ff52df7f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_stack_queue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "a2e0b5b962d208d28d1a066fb4858b85d36f84e8b17f8e21e81dc3ff52df7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e0b5b962d208d28d1a066fb4858b85d36f84e8b17f8e21e81dc3ff52df7f6e", kill_on_drop: false }`
[INFO] [stdout] a2e0b5b962d208d28d1a066fb4858b85d36f84e8b17f8e21e81dc3ff52df7f6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f55e9d77bc7b12f41fe2487c9dffb91d375ab3077fd0134ba47b4e8a48863a0
[INFO] running `Command { std: "docker" "start" "-a" "5f55e9d77bc7b12f41fe2487c9dffb91d375ab3077fd0134ba47b4e8a48863a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_stack_queue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let a: MultiStackQueue<TestStruct, 16, 32> = MultiStackQueue::new();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "5f55e9d77bc7b12f41fe2487c9dffb91d375ab3077fd0134ba47b4e8a48863a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55e9d77bc7b12f41fe2487c9dffb91d375ab3077fd0134ba47b4e8a48863a0", kill_on_drop: false }`
[INFO] [stdout] 5f55e9d77bc7b12f41fe2487c9dffb91d375ab3077fd0134ba47b4e8a48863a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 943082edce684e65645f2a8aea1a641641d21d66aed763fc01a3b08eb1d18c1b
[INFO] running `Command { std: "docker" "start" "-a" "943082edce684e65645f2a8aea1a641641d21d66aed763fc01a3b08eb1d18c1b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lib.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |         let a: MultiStackQueue<TestStruct, 16, 32> = MultiStackQueue::new();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_stack_queue` (lib test) generated 1 warning (run `cargo fix --lib -p multi_stack_queue --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_stack_queue-2eba81c033aaaf3d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::fifo ... ok
[INFO] [stdout] test tests::creation ... ok
[INFO] [stdout] test tests::fill ... ok
[INFO] [stdout] test tests::push_and_pop_once ... ok
[INFO] [stdout] test tests::push_once ... ok
[INFO] [stdout] test tests::fill_overflow - should panic ... ok
[INFO] [stdout] test tests::pop_empty - should panic ... ok
[INFO] [stdout] test tests::push_and_pop_twice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multi_stack_queue
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - MultiStackQueue (line 39) ... ignored
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::is_full (line 195) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::pop (line 155) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::push (line 117) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::is_empty (line 213) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::new (line 88) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "943082edce684e65645f2a8aea1a641641d21d66aed763fc01a3b08eb1d18c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943082edce684e65645f2a8aea1a641641d21d66aed763fc01a3b08eb1d18c1b", kill_on_drop: false }`
[INFO] [stdout] 943082edce684e65645f2a8aea1a641641d21d66aed763fc01a3b08eb1d18c1b