[INFO] fetching crate ultimate-ttt 0.1.0...
[INFO] testing ultimate-ttt-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate ultimate-ttt 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ultimate-ttt 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7859cb24153039e7781c3af9af7eec8f266e3b1696f15505e48f40881c8b05b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7859cb24153039e7781c3af9af7eec8f266e3b1696f15505e48f40881c8b05b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7859cb24153039e7781c3af9af7eec8f266e3b1696f15505e48f40881c8b05b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7859cb24153039e7781c3af9af7eec8f266e3b1696f15505e48f40881c8b05b9", kill_on_drop: false }`
[INFO] [stdout] 7859cb24153039e7781c3af9af7eec8f266e3b1696f15505e48f40881c8b05b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab2090a925e0ca28004c41a834c91e7ce141f610fcdf31e1bc929be6df12497
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ab2090a925e0ca28004c41a834c91e7ce141f610fcdf31e1bc929be6df12497", kill_on_drop: false }`
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ME`
[INFO] [stdout]  --> src/ttt/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPPONENT`
[INFO] [stdout]  --> src/ttt/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_WIN`
[INFO] [stdout]  --> src/ttt/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_LOSE`
[INFO] [stdout]  --> src/ttt/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `player`
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_board_index`
[INFO] [stdout]   --> src/ttt/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `main_index`
[INFO] [stdout]   --> src/ttt/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `winner`
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "6ab2090a925e0ca28004c41a834c91e7ce141f610fcdf31e1bc929be6df12497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab2090a925e0ca28004c41a834c91e7ce141f610fcdf31e1bc929be6df12497", kill_on_drop: false }`
[INFO] [stdout] 6ab2090a925e0ca28004c41a834c91e7ce141f610fcdf31e1bc929be6df12497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82d7b874bdd38e7112ec3272aa9258e71aed6ed81666358f9788bff104a6cb07
[INFO] running `Command { std: "docker" "start" "-a" "82d7b874bdd38e7112ec3272aa9258e71aed6ed81666358f9788bff104a6cb07", kill_on_drop: false }`
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ME`
[INFO] [stdout]  --> src/ttt/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPPONENT`
[INFO] [stdout]  --> src/ttt/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_WIN`
[INFO] [stdout]  --> src/ttt/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_LOSE`
[INFO] [stdout]  --> src/ttt/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `player`
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_board_index`
[INFO] [stdout]   --> src/ttt/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `main_index`
[INFO] [stdout]   --> src/ttt/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `winner`
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ME`
[INFO] [stdout]  --> src/ttt/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     const ME: u8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPPONENT`
[INFO] [stdout]  --> src/ttt/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     const OPPONENT: u8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_WIN`
[INFO] [stdout]  --> src/ttt/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESULT_LOSE`
[INFO] [stdout]  --> src/ttt/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `player`
[INFO] [stdout]   --> src/ttt/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         player: u8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_board_index`
[INFO] [stdout]   --> src/ttt/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         sub_board_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `main_index`
[INFO] [stdout]   --> src/ttt/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         main_index: u32
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `winner`
[INFO] [stdout]   --> src/ttt/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         winner: i8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "82d7b874bdd38e7112ec3272aa9258e71aed6ed81666358f9788bff104a6cb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d7b874bdd38e7112ec3272aa9258e71aed6ed81666358f9788bff104a6cb07", kill_on_drop: false }`
[INFO] [stdout] 82d7b874bdd38e7112ec3272aa9258e71aed6ed81666358f9788bff104a6cb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e852b71a9f68bedab509fc46bbfb5af6dfb93997a3599bd3b035de9a64cd2da
[INFO] running `Command { std: "docker" "start" "-a" "2e852b71a9f68bedab509fc46bbfb5af6dfb93997a3599bd3b035de9a64cd2da", kill_on_drop: false }`
[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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ME`
[INFO] [stderr]  --> src/ttt/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     const ME: u8 = 0;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `OPPONENT`
[INFO] [stderr]  --> src/ttt/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const OPPONENT: u8 = 1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RESULT_WIN`
[INFO] [stderr]  --> src/ttt/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RESULT_LOSE`
[INFO] [stderr]  --> src/ttt/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `player`
[INFO] [stderr]   --> src/ttt/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         player: u8,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sub_board_index`
[INFO] [stderr]   --> src/ttt/mod.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         sub_board_index: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `main_index`
[INFO] [stderr]   --> src/ttt/mod.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         main_index: u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `winner`
[INFO] [stderr]   --> src/ttt/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         winner: i8,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ME`
[INFO] [stderr]  --> src/ttt/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     const ME: u8 = 0;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `OPPONENT`
[INFO] [stderr]  --> src/ttt/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const OPPONENT: u8 = 1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RESULT_WIN`
[INFO] [stderr]  --> src/ttt/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     const RESULT_WIN: i8 = 0;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RESULT_LOSE`
[INFO] [stderr]  --> src/ttt/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     const RESULT_LOSE: i8 = 1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `player`
[INFO] [stderr]   --> src/ttt/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         player: u8,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sub_board_index`
[INFO] [stderr]   --> src/ttt/mod.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         sub_board_index: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `main_index`
[INFO] [stderr]   --> src/ttt/mod.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         main_index: u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `winner`
[INFO] [stderr]   --> src/ttt/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         winner: i8,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ultimate_ttt-684bbe0b842d8a83)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ultimate-ttt
[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] warning: type `tic_tac_toe` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/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)]` 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" "2e852b71a9f68bedab509fc46bbfb5af6dfb93997a3599bd3b035de9a64cd2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e852b71a9f68bedab509fc46bbfb5af6dfb93997a3599bd3b035de9a64cd2da", kill_on_drop: false }`
[INFO] [stdout] 2e852b71a9f68bedab509fc46bbfb5af6dfb93997a3599bd3b035de9a64cd2da