[INFO] fetching crate ultimate-ttt 0.1.0...
[INFO] testing ultimate-ttt-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate ultimate-ttt 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ultimate-ttt 0.1.0
[INFO] finished tweaking crates.io crate ultimate-ttt 0.1.0
[INFO] tweaked toml for crates.io crate ultimate-ttt 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ultimate-ttt 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 738e4c13e18271e63230af2e0d805d667d6c790f45f086a37768296a264f894e
[INFO] running `Command { std: "docker" "start" "-a" "738e4c13e18271e63230af2e0d805d667d6c790f45f086a37768296a264f894e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738e4c13e18271e63230af2e0d805d667d6c790f45f086a37768296a264f894e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738e4c13e18271e63230af2e0d805d667d6c790f45f086a37768296a264f894e", kill_on_drop: false }`
[INFO] [stdout] 738e4c13e18271e63230af2e0d805d667d6c790f45f086a37768296a264f894e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eee5f2e3e712d63c318a1b66bfb16ce9c1cb823015b5c72719f80e3a601a1f31
[INFO] running `Command { std: "docker" "start" "-a" "eee5f2e3e712d63c318a1b66bfb16ce9c1cb823015b5c72719f80e3a601a1f31", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling ultimate-ttt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stdout]   --> src/ttt/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TicTacToe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/ttt/mod.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn new(size: u8) -> tic_tac_toe {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ME` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPPONENT` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_WIN` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_LOSE` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player`, `sub_board_index`, and `main_index` are never read
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 |     pub struct Cell {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `winner` is never read
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "eee5f2e3e712d63c318a1b66bfb16ce9c1cb823015b5c72719f80e3a601a1f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee5f2e3e712d63c318a1b66bfb16ce9c1cb823015b5c72719f80e3a601a1f31", kill_on_drop: false }`
[INFO] [stdout] eee5f2e3e712d63c318a1b66bfb16ce9c1cb823015b5c72719f80e3a601a1f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 369252257aa21e26c25042114bd26588c5ae42024cd5233afd78e76b0ee4e3cb
[INFO] running `Command { std: "docker" "start" "-a" "369252257aa21e26c25042114bd26588c5ae42024cd5233afd78e76b0ee4e3cb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stdout]   --> src/ttt/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TicTacToe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/ttt/mod.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn new(size: u8) -> tic_tac_toe {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ME` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPPONENT` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_WIN` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_LOSE` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ultimate-ttt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `player`, `sub_board_index`, and `main_index` are never read
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 |     pub struct Cell {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `winner` is never read
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stdout]   --> src/ttt/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TicTacToe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/ttt/mod.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn new(size: u8) -> tic_tac_toe {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ME` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPPONENT` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_WIN` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESULT_LOSE` is never used
[INFO] [stdout]  --> src/ttt/mod.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `player`, `sub_board_index`, and `main_index` are never read
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 |     pub struct Cell {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `winner` is never read
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct tic_tac_toe {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "369252257aa21e26c25042114bd26588c5ae42024cd5233afd78e76b0ee4e3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369252257aa21e26c25042114bd26588c5ae42024cd5233afd78e76b0ee4e3cb", kill_on_drop: false }`
[INFO] [stdout] 369252257aa21e26c25042114bd26588c5ae42024cd5233afd78e76b0ee4e3cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f02428880265c298d3fb9b8694c052ade183ff32e92e244ae7ea43a89cd0cfc
[INFO] running `Command { std: "docker" "start" "-a" "8f02428880265c298d3fb9b8694c052ade183ff32e92e244ae7ea43a89cd0cfc", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stderr]   --> src/ttt/mod.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub struct tic_tac_toe {
[INFO] [stderr]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TicTacToe`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/ttt/mod.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |         pub fn new(size: u8) -> tic_tac_toe {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ME` is never used
[INFO] [stderr]  --> src/ttt/mod.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 |     const ME: u8 = 0;
[INFO] [stderr]   |           ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `OPPONENT` is never used
[INFO] [stderr]  --> src/ttt/mod.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const OPPONENT: u8 = 1;
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RESULT_WIN` is never used
[INFO] [stderr]  --> src/ttt/mod.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RESULT_LOSE` is never used
[INFO] [stderr]  --> src/ttt/mod.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `player`, `sub_board_index`, and `main_index` are never read
[INFO] [stderr]   --> src/ttt/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  9 |     pub struct Cell {
[INFO] [stderr]    |                ---- fields in this struct
[INFO] [stderr] 10 |         player: u8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 11 |         sub_board_index: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |         main_index: u32
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `winner` is never read
[INFO] [stderr]   --> src/ttt/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub struct tic_tac_toe {
[INFO] [stderr]    |                ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |         winner: i8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ultimate-ttt` (lib) generated 8 warnings (run `cargo fix --lib -p ultimate-ttt` to apply 1 suggestion)
[INFO] [stderr] warning: `ultimate-ttt` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ultimate_ttt-1ec5d729e1df1975)
[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]    Doc-tests ultimate_ttt
[INFO] [stderr] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stderr]   --> src/ttt/mod.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub struct tic_tac_toe {
[INFO] [stderr]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `TicTacToe`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "8f02428880265c298d3fb9b8694c052ade183ff32e92e244ae7ea43a89cd0cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f02428880265c298d3fb9b8694c052ade183ff32e92e244ae7ea43a89cd0cfc", kill_on_drop: false }`
[INFO] [stdout] 8f02428880265c298d3fb9b8694c052ade183ff32e92e244ae7ea43a89cd0cfc
