[INFO] cloning repository https://github.com/hpmv/penguin-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hpmv/penguin-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpmv%2Fpenguin-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpmv%2Fpenguin-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2206d6319a37b4d516a6f87fb323d4c17d35fc2
[INFO] testing hpmv/penguin-chess against 1.85.0 for beta-1.86-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpmv%2Fpenguin-chess" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hpmv/penguin-chess on toolchain 1.85.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.85.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hpmv/penguin-chess
[INFO] finished tweaking git repo https://github.com/hpmv/penguin-chess
[INFO] tweaked toml for git repo https://github.com/hpmv/penguin-chess written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hpmv/penguin-chess 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" "+1.85.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.37
[INFO] [stderr]   Downloaded serde_derive v1.0.169
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded scoped-tls v1.0.1
[INFO] [stderr]   Downloaded itertools v0.11.0
[INFO] [stderr]   Downloaded serde v1.0.169
[INFO] [stderr]   Downloaded syn v2.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d88796692e4bbf0f96bf24c9f3173d93ba0c0487f332ffd573fc17990f33ce70
[INFO] running `Command { std: "docker" "start" "-a" "d88796692e4bbf0f96bf24c9f3173d93ba0c0487f332ffd573fc17990f33ce70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88796692e4bbf0f96bf24c9f3173d93ba0c0487f332ffd573fc17990f33ce70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88796692e4bbf0f96bf24c9f3173d93ba0c0487f332ffd573fc17990f33ce70", kill_on_drop: false }`
[INFO] [stdout] d88796692e4bbf0f96bf24c9f3173d93ba0c0487f332ffd573fc17990f33ce70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea5138475e15eef584d657761b1c2c53724566ba93917b620c94bb5a85f0014
[INFO] running `Command { std: "docker" "start" "-a" "dea5138475e15eef584d657761b1c2c53724566ba93917b620c94bb5a85f0014", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.169
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.24
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling serde_derive v1.0.169
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling js-sys v0.3.64
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.37
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.37
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling penguin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/board2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::Display,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, and `Ordering`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         atomic::{AtomicBool, Ordering},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 15 |         Arc,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/lib.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | use std::thread;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]    --> src/lib.rs:332:7
[INFO] [stdout]     |
[INFO] [stdout] 332 | const STACK_SIZE: usize = 400 * 1024 * 1024;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:310:7
[INFO] [stdout]     |
[INFO] [stdout] 310 | const x: u8 = 0xff;
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `z` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:311:7
[INFO] [stdout]     |
[INFO] [stdout] 311 | const z: [u8; 4] = [0xff; 4];
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `Z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `nil2` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:312:7
[INFO] [stdout]     |
[INFO] [stdout] 312 | const nil2: [[u8; 4]; 8] = [[0xff; 4]; 8];
[INFO] [stdout]     |       ^^^^ help: convert the identifier to upper case: `NIL2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "dea5138475e15eef584d657761b1c2c53724566ba93917b620c94bb5a85f0014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea5138475e15eef584d657761b1c2c53724566ba93917b620c94bb5a85f0014", kill_on_drop: false }`
[INFO] [stdout] dea5138475e15eef584d657761b1c2c53724566ba93917b620c94bb5a85f0014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be6c6c8446abb79b27d102b750d86e35ceca687181fcda5ed70f5b32d916aca4
[INFO] running `Command { std: "docker" "start" "-a" "be6c6c8446abb79b27d102b750d86e35ceca687181fcda5ed70f5b32d916aca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling penguin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/board2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::Display,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, and `Ordering`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         atomic::{AtomicBool, Ordering},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 15 |         Arc,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/lib.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | use std::thread;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/board.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]    --> src/lib.rs:332:7
[INFO] [stdout]     |
[INFO] [stdout] 332 | const STACK_SIZE: usize = 400 * 1024 * 1024;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:310:7
[INFO] [stdout]     |
[INFO] [stdout] 310 | const x: u8 = 0xff;
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `z` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:311:7
[INFO] [stdout]     |
[INFO] [stdout] 311 | const z: [u8; 4] = [0xff; 4];
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `Z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `nil2` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:312:7
[INFO] [stdout]     |
[INFO] [stdout] 312 | const nil2: [[u8; 4]; 8] = [[0xff; 4]; 8];
[INFO] [stdout]     |       ^^^^ help: convert the identifier to upper case: `NIL2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path::Display`
[INFO] [stdout]  --> src/board2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::Display,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, and `Ordering`
[INFO] [stdout]   --> src/lib.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         atomic::{AtomicBool, Ordering},
[INFO] [stdout]    |                  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 15 |         Arc,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/lib.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | use std::thread;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STACK_SIZE` is never used
[INFO] [stdout]    --> src/lib.rs:332:7
[INFO] [stdout]     |
[INFO] [stdout] 332 | const STACK_SIZE: usize = 400 * 1024 * 1024;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `x` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:310:7
[INFO] [stdout]     |
[INFO] [stdout] 310 | const x: u8 = 0xff;
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `z` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:311:7
[INFO] [stdout]     |
[INFO] [stdout] 311 | const z: [u8; 4] = [0xff; 4];
[INFO] [stdout]     |       ^ help: convert the identifier to upper case (notice the capitalization): `Z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `nil2` should have an upper case name
[INFO] [stdout]    --> src/board2.rs:312:7
[INFO] [stdout]     |
[INFO] [stdout] 312 | const nil2: [[u8; 4]; 8] = [[0xff; 4]; 8];
[INFO] [stdout]     |       ^^^^ help: convert the identifier to upper case: `NIL2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "be6c6c8446abb79b27d102b750d86e35ceca687181fcda5ed70f5b32d916aca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6c6c8446abb79b27d102b750d86e35ceca687181fcda5ed70f5b32d916aca4", kill_on_drop: false }`
[INFO] [stdout] be6c6c8446abb79b27d102b750d86e35ceca687181fcda5ed70f5b32d916aca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+1.85.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12b826f3e30a207d5ab665f82e49e0de5314ef67291b3401bebbdeb96f94e687
[INFO] running `Command { std: "docker" "start" "-a" "12b826f3e30a207d5ab665f82e49e0de5314ef67291b3401bebbdeb96f94e687", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `path::Display`
[INFO] [stderr]  --> src/board2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     path::Display,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `AtomicBool`, and `Ordering`
[INFO] [stderr]   --> src/lib.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         atomic::{AtomicBool, Ordering},
[INFO] [stderr]    |                  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 15 |         Arc,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]    --> src/lib.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 | use std::thread;
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/board.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `STACK_SIZE` is never used
[INFO] [stderr]    --> src/lib.rs:332:7
[INFO] [stderr]     |
[INFO] [stderr] 332 | const STACK_SIZE: usize = 400 * 1024 * 1024;
[INFO] [stderr]     |       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `x` should have an upper case name
[INFO] [stderr]    --> src/board2.rs:310:7
[INFO] [stderr]     |
[INFO] [stderr] 310 | const x: u8 = 0xff;
[INFO] [stderr]     |       ^ help: convert the identifier to upper case (notice the capitalization): `X`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `z` should have an upper case name
[INFO] [stderr]    --> src/board2.rs:311:7
[INFO] [stderr]     |
[INFO] [stderr] 311 | const z: [u8; 4] = [0xff; 4];
[INFO] [stderr]     |       ^ help: convert the identifier to upper case (notice the capitalization): `Z`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `nil2` should have an upper case name
[INFO] [stderr]    --> src/board2.rs:312:7
[INFO] [stderr]     |
[INFO] [stderr] 312 | const nil2: [[u8; 4]; 8] = [[0xff; 4]; 8];
[INFO] [stderr]     |       ^^^^ help: convert the identifier to upper case: `NIL2`
[INFO] [stderr] 
[INFO] [stderr] warning: `penguin` (lib) generated 8 warnings (run `cargo fix --lib -p penguin` to apply 3 suggestions)
[INFO] [stderr] warning: `penguin` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/penguin-41680c2697628015)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test board2::test_all_moves_when_almost_win ... ok
[INFO] [stdout] test board2::test_ended ... ok
[INFO] [stdout] test board::test_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests penguin
[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" "12b826f3e30a207d5ab665f82e49e0de5314ef67291b3401bebbdeb96f94e687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b826f3e30a207d5ab665f82e49e0de5314ef67291b3401bebbdeb96f94e687", kill_on_drop: false }`
[INFO] [stdout] 12b826f3e30a207d5ab665f82e49e0de5314ef67291b3401bebbdeb96f94e687
