[INFO] cloning repository https://github.com/benfjohnson/baduk_battle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benfjohnson/baduk_battle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Fbaduk_battle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Fbaduk_battle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c02d212a34b6436742652b3abdb096a2862cba8
[INFO] checking benfjohnson/baduk_battle against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Fbaduk_battle" "/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/benfjohnson/baduk_battle
[INFO] finished tweaking git repo https://github.com/benfjohnson/baduk_battle
[INFO] tweaked toml for git repo https://github.com/benfjohnson/baduk_battle written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benfjohnson/baduk_battle on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benfjohnson/baduk_battle 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/74a21496db115505d4ccf89f69d13901f7e7a2ee166b9b9e41a3168d6eea80d0/work: no space left on device
[INFO] checking benfjohnson/baduk_battle against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Fbaduk_battle" "/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/benfjohnson/baduk_battle
[INFO] finished tweaking git repo https://github.com/benfjohnson/baduk_battle
[INFO] tweaked toml for git repo https://github.com/benfjohnson/baduk_battle written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benfjohnson/baduk_battle on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benfjohnson/baduk_battle 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5934ed18e68879a427b6d7e432856e7fcb50e3a19f205c649a92a75be717f2
[INFO] running `Command { std: "docker" "start" "-a" "1a5934ed18e68879a427b6d7e432856e7fcb50e3a19f205c649a92a75be717f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5934ed18e68879a427b6d7e432856e7fcb50e3a19f205c649a92a75be717f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5934ed18e68879a427b6d7e432856e7fcb50e3a19f205c649a92a75be717f2", kill_on_drop: false }`
[INFO] [stdout] 1a5934ed18e68879a427b6d7e432856e7fcb50e3a19f205c649a92a75be717f2
[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" "-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e890c2066835c7b20bdc2491583cd3893a6f9582b3e7d12c977c94670014479d
[INFO] running `Command { std: "docker" "start" "-a" "e890c2066835c7b20bdc2491583cd3893a6f9582b3e7d12c977c94670014479d", kill_on_drop: false }`
[INFO] [stderr]     Checking baduk-battle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pm`
[INFO] [stdout]   --> src/engine.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn validate_turn_phase(&self, pm: &PlayerMove) -> bool {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_pm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pm`
[INFO] [stdout]   --> src/engine.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_pm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let game = Game::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pm`
[INFO] [stdout]   --> src/engine.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn validate_turn_phase(&self, pm: &PlayerMove) -> bool {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_pm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Color` is more private than the item `engine::Game::try_move`
[INFO] [stdout]   --> src/engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `engine::Game::try_move` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Color` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/engine.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Color {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `GameAction` is more private than the item `engine::Game::try_move`
[INFO] [stdout]   --> src/engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `engine::Game::try_move` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `GameAction` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/engine.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum GameAction {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Black` and `White` are never constructed
[INFO] [stdout]  --> src/engine.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Color {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Black,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     White,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Color` 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: fields `black` and `white` are never read
[INFO] [stdout]   --> src/engine.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct ColorCount {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout]  9 |     black: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     white: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `black_accepts` and `white_accepts` are never read
[INFO] [stdout]   --> src/engine.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ScoreAcceptance {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 14 |     black_accepts: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     white_accepts: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InProgress`, `InReview`, and `Complete` are never constructed
[INFO] [stdout]   --> src/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum GamePhase {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 19 |     NotStarted,
[INFO] [stdout] 20 |     InProgress(Color),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 21 |     InReview {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Complete(Color),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GameAction` is never used
[INFO] [stdout]   --> src/engine.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum GameAction {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PlayerMove` is never used
[INFO] [stdout]   --> src/engine.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | type PlayerMove = (Color, GameAction);
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `phase`, `captures`, and `history` are never read
[INFO] [stdout]   --> src/engine.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 40 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     phase: GamePhase,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     captures: ColorCount,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 43 |     history: Vec<Board>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pm`
[INFO] [stdout]   --> src/engine.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_pm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `validate_turn_phase` and `try_move` are never used
[INFO] [stdout]   --> src/engine.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Game {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn validate_turn_phase(&self, pm: &PlayerMove) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let game = Game::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `engine::Color` is more private than the item `engine::Game::try_move`
[INFO] [stdout]   --> src/engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `engine::Game::try_move` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `engine::Color` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/engine.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | enum Color {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `engine::GameAction` is more private than the item `engine::Game::try_move`
[INFO] [stdout]   --> src/engine.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `engine::Game::try_move` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `engine::GameAction` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/engine.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum GameAction {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `black` and `white` are never read
[INFO] [stdout]   --> src/engine.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct ColorCount {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout]  9 |     black: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     white: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `black_accepts` and `white_accepts` are never read
[INFO] [stdout]   --> src/engine.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ScoreAcceptance {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 14 |     black_accepts: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     white_accepts: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InProgress`, `InReview`, and `Complete` are never constructed
[INFO] [stdout]   --> src/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum GamePhase {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 19 |     NotStarted,
[INFO] [stdout] 20 |     InProgress(Color),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 21 |     InReview {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Complete(Color),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/engine.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     StonePlacement(usize, usize),
[INFO] [stdout]    |     -------------- ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 29 -     StonePlacement(usize, usize),
[INFO] [stdout] 29 +     StonePlacement((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pass` is never constructed
[INFO] [stdout]   --> src/engine.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum GameAction {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 29 |     StonePlacement(usize, usize),
[INFO] [stdout] 30 |     Pass,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `phase`, `captures`, and `history` are never read
[INFO] [stdout]   --> src/engine.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 40 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 41 |     phase: GamePhase,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     captures: ColorCount,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 43 |     history: Vec<Board>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_move` is never used
[INFO] [stdout]   --> src/engine.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Game {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn try_move(&mut self, pm: PlayerMove) -> Result<&Game, &str> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e890c2066835c7b20bdc2491583cd3893a6f9582b3e7d12c977c94670014479d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e890c2066835c7b20bdc2491583cd3893a6f9582b3e7d12c977c94670014479d", kill_on_drop: false }`
[INFO] [stdout] e890c2066835c7b20bdc2491583cd3893a6f9582b3e7d12c977c94670014479d