[INFO] fetching crate gorrosion 0.1.2...
[INFO] building gorrosion-0.1.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate gorrosion 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gorrosion 0.1.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gorrosion 0.1.2
[INFO] finished tweaking crates.io crate gorrosion 0.1.2
[INFO] tweaked toml for crates.io crate gorrosion 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 445b5d9b86e325bcbeb20b4c14de4e54e9300cfef2bf7b56ab50ba0e84e5f37e
[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" "445b5d9b86e325bcbeb20b4c14de4e54e9300cfef2bf7b56ab50ba0e84e5f37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "445b5d9b86e325bcbeb20b4c14de4e54e9300cfef2bf7b56ab50ba0e84e5f37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445b5d9b86e325bcbeb20b4c14de4e54e9300cfef2bf7b56ab50ba0e84e5f37e", kill_on_drop: false }`
[INFO] [stdout] 445b5d9b86e325bcbeb20b4c14de4e54e9300cfef2bf7b56ab50ba0e84e5f37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b858d507f3ed8b4cf9fd6365b8591cdd361d8c3361c2cbce7d9ed07f9c50a11f
[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" "b858d507f3ed8b4cf9fd6365b8591cdd361d8c3361c2cbce7d9ed07f9c50a11f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gorrosion v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `survivors`
[INFO] [stdout]   --> src/core/game.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]   --> src/core/game.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]   --> src/core/game.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/core/game.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]   --> src/core/game.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 76 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other`
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]    --> src/core/game.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_state`
[INFO] [stdout]    --> src/core/game.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn player_state(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]    --> src/core/game.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pass`
[INFO] [stdout]    --> src/core/game.rs:166:2
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Pass,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resign`
[INFO] [stdout]    --> src/core/game.rs:167:2
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Resign,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]    --> src/core/game.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Place(Index),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalRules`
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rules`
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameNode`
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "b858d507f3ed8b4cf9fd6365b8591cdd361d8c3361c2cbce7d9ed07f9c50a11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b858d507f3ed8b4cf9fd6365b8591cdd361d8c3361c2cbce7d9ed07f9c50a11f", kill_on_drop: false }`
[INFO] [stdout] b858d507f3ed8b4cf9fd6365b8591cdd361d8c3361c2cbce7d9ed07f9c50a11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c134c33065db44235f940259854e0bba46274c84283ccc17cb33ce3141a160
[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" "b0c134c33065db44235f940259854e0bba46274c84283ccc17cb33ce3141a160", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gorrosion v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `survivors`
[INFO] [stdout]   --> src/core/game.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]   --> src/core/game.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]   --> src/core/game.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/core/game.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]   --> src/core/game.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 76 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other`
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]    --> src/core/game.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_state`
[INFO] [stdout]    --> src/core/game.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn player_state(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]    --> src/core/game.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pass`
[INFO] [stdout]    --> src/core/game.rs:166:2
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Pass,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resign`
[INFO] [stdout]    --> src/core/game.rs:167:2
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Resign,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]    --> src/core/game.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Place(Index),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalRules`
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rules`
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameNode`
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `survivors`
[INFO] [stdout]   --> src/core/game.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill`
[INFO] [stdout]   --> src/core/game.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]   --> src/core/game.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/core/game.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `White`
[INFO] [stdout]   --> src/core/game.rs:76:2
[INFO] [stdout]    |
[INFO] [stdout] 76 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other`
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `free`
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kill_dead`
[INFO] [stdout]    --> src/core/game.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_state`
[INFO] [stdout]    --> src/core/game.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn player_state(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_stone`
[INFO] [stdout]    --> src/core/game.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pass`
[INFO] [stdout]    --> src/core/game.rs:166:2
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Pass,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Resign`
[INFO] [stdout]    --> src/core/game.rs:167:2
[INFO] [stdout]     |
[INFO] [stdout] 167 |     Resign,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]    --> src/core/game.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Place(Index),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LocalRules`
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rules`
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GameNode`
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "b0c134c33065db44235f940259854e0bba46274c84283ccc17cb33ce3141a160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c134c33065db44235f940259854e0bba46274c84283ccc17cb33ce3141a160", kill_on_drop: false }`
[INFO] [stdout] b0c134c33065db44235f940259854e0bba46274c84283ccc17cb33ce3141a160
