[INFO] cloning repository https://github.com/cosmobobak/iridium-oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmobobak/iridium-oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5cc6fc36e4ac5fa55b068c6eaf766211c225aa9
[INFO] checking cosmobobak/iridium-oxide against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmobobak%2Firidium-oxide" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cosmobobak/iridium-oxide
[INFO] finished tweaking git repo https://github.com/cosmobobak/iridium-oxide
[INFO] tweaked toml for git repo https://github.com/cosmobobak/iridium-oxide written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cosmobobak/iridium-oxide on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cosmobobak/iridium-oxide 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d9345c04a705f3e1930afd0d985c7604536e23d5dc52a3af8681c9e34133775
[INFO] running `Command { std: "docker" "start" "-a" "7d9345c04a705f3e1930afd0d985c7604536e23d5dc52a3af8681c9e34133775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d9345c04a705f3e1930afd0d985c7604536e23d5dc52a3af8681c9e34133775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9345c04a705f3e1930afd0d985c7604536e23d5dc52a3af8681c9e34133775", kill_on_drop: false }`
[INFO] [stdout] 7d9345c04a705f3e1930afd0d985c7604536e23d5dc52a3af8681c9e34133775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402d72da883d56cbd3556aab7871d59f564a6d6de94d1d3a9d26fd16adc7eb70
[INFO] running `Command { std: "docker" "start" "-a" "402d72da883d56cbd3556aab7871d59f564a6d6de94d1d3a9d26fd16adc7eb70", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cozy-chess-types v0.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking fastapprox v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling cozy-chess v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking iridium-oxide v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/mcts.rs:708:5
[INFO] [stdout]     |
[INFO] [stdout] 707 |     return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0;
[INFO] [stdout]     |     -------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 708 |     let total_rollouts = fused_distribution.iter().sum::<u32>();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/mcts.rs:708:5
[INFO] [stdout]     |
[INFO] [stdout] 707 |     return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0;
[INFO] [stdout]     |     -------------------------------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 708 |     let total_rollouts = fused_distribution.iter().sum::<u32>();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcts.rs:707:63
[INFO] [stdout]     |
[INFO] [stdout] 707 |     return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0;
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_rollouts`
[INFO] [stdout]    --> src/mcts.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |     let total_rollouts = fused_distribution.iter().sum::<u32>();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_rollouts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prob_vector`
[INFO] [stdout]    --> src/mcts.rs:709:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |     let prob_vector = fused_distribution
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prob_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rfloat`
[INFO] [stdout]    --> src/mcts.rs:719:9
[INFO] [stdout]     |
[INFO] [stdout] 719 |     let rfloat = rand::thread_rng().gen_range(0.0..1.0);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rfloat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cumulative_probability`
[INFO] [stdout]    --> src/mcts.rs:720:9
[INFO] [stdout]     |
[INFO] [stdout] 720 |     let mut cumulative_probability = 0.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cumulative_probability`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `choice`
[INFO] [stdout]    --> src/mcts.rs:721:9
[INFO] [stdout]     |
[INFO] [stdout] 721 |     let mut choice = 0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcts.rs:722:10
[INFO] [stdout]     |
[INFO] [stdout] 722 |     for (i, &prob) in prob_vector.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prob`
[INFO] [stdout]    --> src/mcts.rs:722:14
[INFO] [stdout]     |
[INFO] [stdout] 722 |     for (i, &prob) in prob_vector.iter().enumerate() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_prob`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcts.rs:707:63
[INFO] [stdout]     |
[INFO] [stdout] 707 |     return fused_distribution.iter().enumerate().max_by_key(|(i, v)| **v).unwrap().0;
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_rollouts`
[INFO] [stdout]    --> src/mcts.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |     let total_rollouts = fused_distribution.iter().sum::<u32>();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_rollouts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prob_vector`
[INFO] [stdout]    --> src/mcts.rs:709:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |     let prob_vector = fused_distribution
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prob_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rfloat`
[INFO] [stdout]    --> src/mcts.rs:719:9
[INFO] [stdout]     |
[INFO] [stdout] 719 |     let rfloat = rand::thread_rng().gen_range(0.0..1.0);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rfloat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cumulative_probability`
[INFO] [stdout]    --> src/mcts.rs:720:9
[INFO] [stdout]     |
[INFO] [stdout] 720 |     let mut cumulative_probability = 0.0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cumulative_probability`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `choice`
[INFO] [stdout]    --> src/mcts.rs:721:9
[INFO] [stdout]     |
[INFO] [stdout] 721 |     let mut choice = 0;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_choice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcts.rs:722:10
[INFO] [stdout]     |
[INFO] [stdout] 722 |     for (i, &prob) in prob_vector.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prob`
[INFO] [stdout]    --> src/mcts.rs:722:14
[INFO] [stdout]     |
[INFO] [stdout] 722 |     for (i, &prob) in prob_vector.iter().enumerate() {
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_prob`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `csv_header` is never used
[INFO] [stdout]   --> src/datageneration.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait VectoriseState: Game {
[INFO] [stdout]    |           -------------- associated function in this trait
[INFO] [stdout] 91 |     fn csv_header() -> String;
[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_empty` is never used
[INFO] [stdout]   --> src/game.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait MoveBuffer<Move>: Debug + Default + Index<usize, Output = Move> + Display {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sort_moves` is never used
[INFO] [stdout]   --> src/game.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Game: Clone + Eq + Debug + Display + Default + Send + Sync {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn sort_moves(&mut self, _moves: &mut Self::Buffer) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_WIDTH` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const BOARD_WIDTH: usize = 9;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_HEIGHT` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BOARD_HEIGHT: usize = 9;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_PIECE` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NO_PIECE: u8 = 0;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `X` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const X: u8 = 1;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const O: u8 = 2;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_FORCED_BOX` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const NO_FORCED_BOX: u8 = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_MOVE` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const NO_MOVE: Move = Move(81);
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Undo` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Undo {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Move(u8);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UltimateTicTacToe` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct UltimateTicTacToe {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl UltimateTicTacToe {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 58 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Buffer` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct Buffer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitIterable` is never used
[INFO] [stdout]  --> src/iterbits.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BitIterable {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterBits` is never constructed
[INFO] [stdout]   --> src/iterbits.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct IterBits {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rollout_cutoff_length` is never used
[INFO] [stdout]    --> src/mcts.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub trait MCTSExt: Game {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 302 |     fn rollout_cutoff_length() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/game.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter(&self) -> std::slice::Iter<Move>;
[INFO] [stdout]   |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter(&self) -> std::slice::Iter<'_, Move>;
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/chess.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter(&self) -> std::slice::Iter<Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter(&self) -> std::slice::Iter<'_, Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/connectfour.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn iter(&self) -> std::slice::Iter<C4Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn iter(&self) -> std::slice::Iter<'_, C4Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/gomoku.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn iter(&self) -> std::slice::Iter<Move<N>> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn iter(&self) -> std::slice::Iter<'_, Move<N>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/games/tictactoe.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn iter(&self) -> std::slice::Iter<TicTacToeMove> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn iter(&self) -> std::slice::Iter<'_, TicTacToeMove> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/ultimatetictactoe.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn iter(&self) -> std::slice::Iter<Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn iter(&self) -> std::slice::Iter<'_, Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/record.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &TryInto::<u32>::try_into(entry.chosen_move)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `csv_header` is never used
[INFO] [stdout]   --> src/datageneration.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait VectoriseState: Game {
[INFO] [stdout]    |           -------------- associated function in this trait
[INFO] [stdout] 91 |     fn csv_header() -> String;
[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_empty` is never used
[INFO] [stdout]   --> src/game.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait MoveBuffer<Move>: Debug + Default + Index<usize, Output = Move> + Display {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sort_moves` is never used
[INFO] [stdout]   --> src/game.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Game: Clone + Eq + Debug + Display + Default + Send + Sync {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn sort_moves(&mut self, _moves: &mut Self::Buffer) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_WIDTH` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const BOARD_WIDTH: usize = 9;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_HEIGHT` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BOARD_HEIGHT: usize = 9;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_PIECE` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NO_PIECE: u8 = 0;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `X` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const X: u8 = 1;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const O: u8 = 2;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_FORCED_BOX` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const NO_FORCED_BOX: u8 = 10;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NO_MOVE` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const NO_MOVE: Move = Move(81);
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Undo` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Undo {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Move(u8);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UltimateTicTacToe` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct UltimateTicTacToe {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl UltimateTicTacToe {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 58 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Buffer` is never constructed
[INFO] [stdout]   --> src/games/ultimatetictactoe.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | struct Buffer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitIterable` is never used
[INFO] [stdout]  --> src/iterbits.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BitIterable {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IterBits` is never constructed
[INFO] [stdout]   --> src/iterbits.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct IterBits {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rollout_cutoff_length` is never used
[INFO] [stdout]    --> src/mcts.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub trait MCTSExt: Game {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 302 |     fn rollout_cutoff_length() -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameRecord` is never constructed
[INFO] [stdout]  --> src/record.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct GameRecord {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameRecordHeader` is never constructed
[INFO] [stdout]   --> src/record.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct GameRecordHeader {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameRecordEntry` is never constructed
[INFO] [stdout]   --> src/record.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct GameRecordEntry {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_entry`, `write_to`, and `read_from` are never used
[INFO] [stdout]   --> src/record.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl GameRecord {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 35 |     /// Creates a new game record.
[INFO] [stdout] 36 |     fn new(header: GameRecordHeader) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn add_entry(&mut self, entry: GameRecordEntry) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn write_to<W: io::Write>(&self, mut writer: W) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn read_from<R: io::Read>(mut reader: R) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/game.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter(&self) -> std::slice::Iter<Move>;
[INFO] [stdout]   |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter(&self) -> std::slice::Iter<'_, Move>;
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/chess.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter(&self) -> std::slice::Iter<Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn iter(&self) -> std::slice::Iter<'_, Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/connectfour.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn iter(&self) -> std::slice::Iter<C4Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn iter(&self) -> std::slice::Iter<'_, C4Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/gomoku.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn iter(&self) -> std::slice::Iter<Move<N>> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn iter(&self) -> std::slice::Iter<'_, Move<N>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iridium-oxide` (bin "iridium-oxide" test) due to 1 previous error; 33 warnings emitted
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/games/tictactoe.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn iter(&self) -> std::slice::Iter<TicTacToeMove> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn iter(&self) -> std::slice::Iter<'_, TicTacToeMove> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/games/ultimatetictactoe.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn iter(&self) -> std::slice::Iter<Move> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn iter(&self) -> std::slice::Iter<'_, Move> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> src/record.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 &TryInto::<u32>::try_into(entry.chosen_move)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iridium-oxide` (bin "iridium-oxide") due to 1 previous error; 37 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "402d72da883d56cbd3556aab7871d59f564a6d6de94d1d3a9d26fd16adc7eb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402d72da883d56cbd3556aab7871d59f564a6d6de94d1d3a9d26fd16adc7eb70", kill_on_drop: false }`
[INFO] [stdout] 402d72da883d56cbd3556aab7871d59f564a6d6de94d1d3a9d26fd16adc7eb70
