[INFO] cloning repository https://github.com/ray-pH/tekiteki-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ray-pH/tekiteki-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb4120c8694d6dca2b2a7a6746e34a8b729252e4
[INFO] testing ray-pH/tekiteki-engine against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fray-pH%2Ftekiteki-engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ray-pH/tekiteki-engine
[INFO] finished tweaking git repo https://github.com/ray-pH/tekiteki-engine
[INFO] tweaked toml for git repo https://github.com/ray-pH/tekiteki-engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ray-pH/tekiteki-engine 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] crate git repo https://github.com/ray-pH/tekiteki-engine 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8feec85a53ad3c87e35c0d9ff8c2225c75ce71e1e053ed30ff26e597af2fea05
[INFO] running `Command { std: "docker" "start" "-a" "8feec85a53ad3c87e35c0d9ff8c2225c75ce71e1e053ed30ff26e597af2fea05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8feec85a53ad3c87e35c0d9ff8c2225c75ce71e1e053ed30ff26e597af2fea05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feec85a53ad3c87e35c0d9ff8c2225c75ce71e1e053ed30ff26e597af2fea05", kill_on_drop: false }`
[INFO] [stdout] 8feec85a53ad3c87e35c0d9ff8c2225c75ce71e1e053ed30ff26e597af2fea05
[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=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] 5605595258eb6b518e0b1dcd3cc42bc29d1aaac0417eb051a3c17139a43421e4
[INFO] running `Command { std: "docker" "start" "-a" "5605595258eb6b518e0b1dcd3cc42bc29d1aaac0417eb051a3c17139a43421e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tekiteki_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[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 6.10s
[INFO] running `Command { std: "docker" "inspect" "5605595258eb6b518e0b1dcd3cc42bc29d1aaac0417eb051a3c17139a43421e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5605595258eb6b518e0b1dcd3cc42bc29d1aaac0417eb051a3c17139a43421e4", kill_on_drop: false }`
[INFO] [stdout] 5605595258eb6b518e0b1dcd3cc42bc29d1aaac0417eb051a3c17139a43421e4
[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=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] d6403d22a4be31a5f5412bece51f8442596a761828d948ff88fc37a16ddd67ba
[INFO] running `Command { std: "docker" "start" "-a" "d6403d22a4be31a5f5412bece51f8442596a761828d948ff88fc37a16ddd67ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling tekiteki_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_island_or_number` is never used
[INFO] [stdout]   --> src/nurikabe.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl CellState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 17 |     fn is_island_or_number(&self) -> bool {
[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 0.75s
[INFO] running `Command { std: "docker" "inspect" "d6403d22a4be31a5f5412bece51f8442596a761828d948ff88fc37a16ddd67ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6403d22a4be31a5f5412bece51f8442596a761828d948ff88fc37a16ddd67ba", kill_on_drop: false }`
[INFO] [stdout] d6403d22a4be31a5f5412bece51f8442596a761828d948ff88fc37a16ddd67ba
[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=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] 28207bfe2057adf9f2a0bbb8a1b3592790ae7821e45bf0430b020d5f718c2ee0
[INFO] running `Command { std: "docker" "start" "-a" "28207bfe2057adf9f2a0bbb8a1b3592790ae7821e45bf0430b020d5f718c2ee0", kill_on_drop: false }`
[INFO] [stderr] warning: method `is_island_or_number` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> src/nurikabe.rs:17:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 16 | impl CellState {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stdout] 
[INFO] [stderr] 17 |     fn is_island_or_number(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tekiteki_engine` (lib) generated 1 warning
[INFO] [stderr] warning: `tekiteki_engine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tekiteki_engine-b726f89bcfbd9f51)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tekiteki_engine-3d76596c15fe9b5b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tekiteki_engine
[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] [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] running `Command { std: "docker" "inspect" "28207bfe2057adf9f2a0bbb8a1b3592790ae7821e45bf0430b020d5f718c2ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28207bfe2057adf9f2a0bbb8a1b3592790ae7821e45bf0430b020d5f718c2ee0", kill_on_drop: false }`
[INFO] [stdout] 28207bfe2057adf9f2a0bbb8a1b3592790ae7821e45bf0430b020d5f718c2ee0