[INFO] fetching crate ultimate-ttt 0.1.0...
[INFO] testing ultimate-ttt-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ultimate-ttt 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ultimate-ttt 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686ed6338b2a21fa9e8a1ad37a6670ba559508ede22af2b4421a61ccf1c52601
[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" "686ed6338b2a21fa9e8a1ad37a6670ba559508ede22af2b4421a61ccf1c52601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686ed6338b2a21fa9e8a1ad37a6670ba559508ede22af2b4421a61ccf1c52601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686ed6338b2a21fa9e8a1ad37a6670ba559508ede22af2b4421a61ccf1c52601", kill_on_drop: false }`
[INFO] [stdout] 686ed6338b2a21fa9e8a1ad37a6670ba559508ede22af2b4421a61ccf1c52601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 716a2100eda112a66a74395b460da212e37fe0bd5092b854e55245f0944070d8
[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" "716a2100eda112a66a74395b460da212e37fe0bd5092b854e55245f0944070d8", 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 0.10s
[INFO] running `Command { std: "docker" "inspect" "716a2100eda112a66a74395b460da212e37fe0bd5092b854e55245f0944070d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716a2100eda112a66a74395b460da212e37fe0bd5092b854e55245f0944070d8", kill_on_drop: false }`
[INFO] [stdout] 716a2100eda112a66a74395b460da212e37fe0bd5092b854e55245f0944070d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d3281183ecc699b95ad3810ad235435cd5e126769d2d5828df8155d44ed2e60
[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" "0d3281183ecc699b95ad3810ad235435cd5e126769d2d5828df8155d44ed2e60", 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] [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 0.43s
[INFO] running `Command { std: "docker" "inspect" "0d3281183ecc699b95ad3810ad235435cd5e126769d2d5828df8155d44ed2e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3281183ecc699b95ad3810ad235435cd5e126769d2d5828df8155d44ed2e60", kill_on_drop: false }`
[INFO] [stdout] 0d3281183ecc699b95ad3810ad235435cd5e126769d2d5828df8155d44ed2e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 7f0e871fc1faabdb304f4550906e694785b18887c7223dc4cc09b2645432cefa
[INFO] running `Command { std: "docker" "start" "-a" "7f0e871fc1faabdb304f4550906e694785b18887c7223dc4cc09b2645432cefa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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: 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: 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: 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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ultimate_ttt-b307291009730be8
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f0e871fc1faabdb304f4550906e694785b18887c7223dc4cc09b2645432cefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0e871fc1faabdb304f4550906e694785b18887c7223dc4cc09b2645432cefa", kill_on_drop: false }`
[INFO] [stdout] 7f0e871fc1faabdb304f4550906e694785b18887c7223dc4cc09b2645432cefa