[INFO] cloning repository https://github.com/gyscos/superc4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyscos/superc4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyscos%2Fsuperc4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyscos%2Fsuperc4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc5e0cafa7b2b94d33d13a5bb8622d0aa735eb1a
[INFO] checking gyscos/superc4 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyscos%2Fsuperc4" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gyscos/superc4 on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gyscos/superc4
[INFO] finished tweaking git repo https://github.com/gyscos/superc4
[INFO] tweaked toml for git repo https://github.com/gyscos/superc4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gyscos/superc4 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86905181277ee638de798367a0904410175048cfad1fb7ef2138d84805821ff6
[INFO] running `Command { std: "docker" "start" "-a" "86905181277ee638de798367a0904410175048cfad1fb7ef2138d84805821ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86905181277ee638de798367a0904410175048cfad1fb7ef2138d84805821ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86905181277ee638de798367a0904410175048cfad1fb7ef2138d84805821ff6", kill_on_drop: false }`
[INFO] [stdout] 86905181277ee638de798367a0904410175048cfad1fb7ef2138d84805821ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90946e933eb4062c95809ea022bee24728dff69643d3bb7d7f5a55041b07056
[INFO] running `Command { std: "docker" "start" "-a" "f90946e933eb4062c95809ea022bee24728dff69643d3bb7d7f5a55041b07056", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking superc4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/game/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_consts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/game/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_consts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut game = Game::new(Configuration::clean_8());
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut game = Game::new(Configuration::clean_8());
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Full` is never constructed
[INFO] [stdout]   --> src/game/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Cell {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 10 |     Full(Player),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/game/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Direction {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/game/board.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Direction {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub const UP: Direction = Direction{x: 0, y: 1};
[INFO] [stdout]    |               ^^
[INFO] [stdout] 29 |     pub const DOWN: Direction = Direction{x: 0, y: -1};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 30 |     pub const LEFT: Direction = Direction{x: -1, y: 0};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 31 |     pub const RIGHT: Direction = Direction{x: 1, y: 0};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 32 |     pub const UP_RIGHT: Direction = Direction{x: 1, y: 1};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 33 |     pub const UP_LEFT: Direction = Direction{x:-1, y: 1};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 34 |     pub const DOWN_LEFT: Direction = Direction{x:-1,y:-1};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 35 |     pub const DOWN_RIGHT: Direction = Direction{x:1,y:-1};
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |     pub const CARDINAL: &'static [Direction] = &[Direction::UP,Direction::LEFT,Direction::DOWN,Direction::RIGHT];
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 38 |     pub const AXIS: &'static [Direction] = &[Direction::UP,Direction::RIGHT,Direction::UP_RIGHT,Direction::DOWN_RIGHT];
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     pub fn flip(self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn from(self, (x,y): Pos) -> Pos {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_go`, `is_valid`, `is_empty`, `get`, and `play` are never used
[INFO] [stdout]   --> src/game/board.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn can_go(&self, (x,y): Pos, dir: Direction) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn is_valid(&self, (x,y): Pos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn is_empty(&self, pos: Pos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn get(&self, pos: Pos) -> Cell {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn play(&mut self, pos: Pos, player: Player) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board` and `next_player` are never read
[INFO] [stdout]   --> src/game/game.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     next_player: Player,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidTurn`, `NonEmptyCell`, and `FloatingCell` are never constructed
[INFO] [stdout]   --> src/game/game.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum RuleError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 29 |     InvalidTurn,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     NonEmptyCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     FloatingCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_blocked`, `clean_10`, `corner_8`, `corner_10`, and `corner_n` are never used
[INFO] [stdout]   --> src/game/game.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Configuration {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn add_blocked(mut self, pos: Pos) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn clean_10() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn corner_8() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn corner_10() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn corner_n(size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_winning` is never used
[INFO] [stdout]   --> src/game/game.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn is_winning(board: &Board, player: Player, pos: Pos) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_cells` is never used
[INFO] [stdout]   --> src/game/game.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn count_cells(board: &Board, mut pos: Pos, dir: Direction, player: Player) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_floating` is never used
[INFO] [stdout]    --> src/game/game.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn is_floating(board: &Board, pos: Pos) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full_line` is never used
[INFO] [stdout]    --> src/game/game.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn is_full_line(board: &Board, mut pos: Pos, d: Direction) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_next_player` and `play` are never used
[INFO] [stdout]    --> src/game/game.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn get_next_player(&self) -> Player {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn play(&mut self, player: Player, pos: Pos) -> Result<(),Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/game/error.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Rule(RuleError),
[INFO] [stdout]   |     ---- ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Rule(RuleError),
[INFO] [stdout] 5 +     Rule(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut game = Game::new(Configuration::clean_8());
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut game = Game::new(Configuration::clean_8());
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Full` is never constructed
[INFO] [stdout]   --> src/game/board.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Cell {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 10 |     Full(Player),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/game/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Direction {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/game/board.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Direction {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     pub const UP: Direction = Direction{x: 0, y: 1};
[INFO] [stdout]    |               ^^
[INFO] [stdout] 29 |     pub const DOWN: Direction = Direction{x: 0, y: -1};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 30 |     pub const LEFT: Direction = Direction{x: -1, y: 0};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 31 |     pub const RIGHT: Direction = Direction{x: 1, y: 0};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 32 |     pub const UP_RIGHT: Direction = Direction{x: 1, y: 1};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 33 |     pub const UP_LEFT: Direction = Direction{x:-1, y: 1};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 34 |     pub const DOWN_LEFT: Direction = Direction{x:-1,y:-1};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 35 |     pub const DOWN_RIGHT: Direction = Direction{x:1,y:-1};
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 36 |
[INFO] [stdout] 37 |     pub const CARDINAL: &'static [Direction] = &[Direction::UP,Direction::LEFT,Direction::DOWN,Direction::RIGHT];
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 38 |     pub const AXIS: &'static [Direction] = &[Direction::UP,Direction::RIGHT,Direction::UP_RIGHT,Direction::DOWN_RIGHT];
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 39 |
[INFO] [stdout] 40 |     pub fn flip(self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn from(self, (x,y): Pos) -> Pos {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_go`, `is_valid`, `is_empty`, `get`, and `play` are never used
[INFO] [stdout]   --> src/game/board.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn can_go(&self, (x,y): Pos, dir: Direction) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn is_valid(&self, (x,y): Pos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn is_empty(&self, pos: Pos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn get(&self, pos: Pos) -> Cell {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn play(&mut self, pos: Pos, player: Player) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board` and `next_player` are never read
[INFO] [stdout]   --> src/game/game.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     next_player: Player,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidTurn`, `NonEmptyCell`, and `FloatingCell` are never constructed
[INFO] [stdout]   --> src/game/game.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum RuleError {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 29 |     InvalidTurn,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     NonEmptyCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     FloatingCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `add_blocked`, `clean_10`, `corner_8`, `corner_10`, and `corner_n` are never used
[INFO] [stdout]   --> src/game/game.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Configuration {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn add_blocked(mut self, pos: Pos) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn clean_10() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn corner_8() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn corner_10() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn corner_n(size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_winning` is never used
[INFO] [stdout]   --> src/game/game.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn is_winning(board: &Board, player: Player, pos: Pos) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_cells` is never used
[INFO] [stdout]   --> src/game/game.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn count_cells(board: &Board, mut pos: Pos, dir: Direction, player: Player) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_floating` is never used
[INFO] [stdout]    --> src/game/game.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn is_floating(board: &Board, pos: Pos) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_full_line` is never used
[INFO] [stdout]    --> src/game/game.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn is_full_line(board: &Board, mut pos: Pos, d: Direction) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_next_player` and `play` are never used
[INFO] [stdout]    --> src/game/game.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn get_next_player(&self) -> Player {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     pub fn play(&mut self, player: Player, pos: Pos) -> Result<(),Error> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/game/error.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Rule(RuleError),
[INFO] [stdout]   |     ---- ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Rule(RuleError),
[INFO] [stdout] 5 +     Rule(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f90946e933eb4062c95809ea022bee24728dff69643d3bb7d7f5a55041b07056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90946e933eb4062c95809ea022bee24728dff69643d3bb7d7f5a55041b07056", kill_on_drop: false }`
[INFO] [stdout] f90946e933eb4062c95809ea022bee24728dff69643d3bb7d7f5a55041b07056
