[INFO] cloning repository https://github.com/sak96/chain_reaction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sak96/chain_reaction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak96%2Fchain_reaction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak96%2Fchain_reaction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb0470eeeda78a2dc04361fd60a06850c649b1fd
[INFO] testing sak96/chain_reaction against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsak96%2Fchain_reaction" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sak96/chain_reaction on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sak96/chain_reaction
[INFO] finished tweaking git repo https://github.com/sak96/chain_reaction
[INFO] tweaked toml for git repo https://github.com/sak96/chain_reaction written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sak96/chain_reaction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f4959ce9a7c4f1a43731b0df9e12d1e4db592c535a3b3227fa83c62a17c808b
[INFO] running `Command { std: "docker" "start" "-a" "4f4959ce9a7c4f1a43731b0df9e12d1e4db592c535a3b3227fa83c62a17c808b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f4959ce9a7c4f1a43731b0df9e12d1e4db592c535a3b3227fa83c62a17c808b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4959ce9a7c4f1a43731b0df9e12d1e4db592c535a3b3227fa83c62a17c808b", kill_on_drop: false }`
[INFO] [stdout] 4f4959ce9a7c4f1a43731b0df9e12d1e4db592c535a3b3227fa83c62a17c808b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 311f33ba0917bae59395f8059f8f79b02c2be2f01f667c005ec9eb753f1e969a
[INFO] running `Command { std: "docker" "start" "-a" "311f33ba0917bae59395f8059f8f79b02c2be2f01f667c005ec9eb753f1e969a", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain_reaction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `BoardState`
[INFO] [stdout]  --> src/board.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum BoardState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]   --> src/board.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(rows: usize, cols: usize, players: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_move`
[INFO] [stdout]   --> src/board.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn player_move(&mut self, player: u8, row: usize, col: usize) -> Result<(), MoveError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration_exists`
[INFO] [stdout]   --> src/board.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn next_iteration_exists(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration`
[INFO] [stdout]   --> src/board.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn next_iteration(&self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `owner`
[INFO] [stdout]  --> src/cell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     owner: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `atoms`
[INFO] [stdout]  --> src/cell.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     atoms: u8,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_checked`
[INFO] [stdout]   --> src/cell.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_checked(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_unchecked`
[INFO] [stdout]   --> src/cell.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_unchecked(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MoveError`
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MoveError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "311f33ba0917bae59395f8059f8f79b02c2be2f01f667c005ec9eb753f1e969a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311f33ba0917bae59395f8059f8f79b02c2be2f01f667c005ec9eb753f1e969a", kill_on_drop: false }`
[INFO] [stdout] 311f33ba0917bae59395f8059f8f79b02c2be2f01f667c005ec9eb753f1e969a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf95f5f4ee305a27b62a372de875a9e90a766c32c3865b6f43e60e5baef45b3c
[INFO] running `Command { std: "docker" "start" "-a" "cf95f5f4ee305a27b62a372de875a9e90a766c32c3865b6f43e60e5baef45b3c", kill_on_drop: false }`
[INFO] [stdout] warning: enum is never used: `BoardState`
[INFO] [stdout]  --> src/board.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum BoardState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]   --> src/board.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(rows: usize, cols: usize, players: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_move`
[INFO] [stdout]   --> src/board.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn player_move(&mut self, player: u8, row: usize, col: usize) -> Result<(), MoveError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration_exists`
[INFO] [stdout]   --> src/board.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn next_iteration_exists(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration`
[INFO] [stdout]   --> src/board.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn next_iteration(&self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `owner`
[INFO] [stdout]  --> src/cell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     owner: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `atoms`
[INFO] [stdout]  --> src/cell.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     atoms: u8,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_checked`
[INFO] [stdout]   --> src/cell.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_checked(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_unchecked`
[INFO] [stdout]   --> src/cell.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_unchecked(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MoveError`
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MoveError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chain_reaction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BoardState`
[INFO] [stdout]  --> src/board.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum BoardState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Board`
[INFO] [stdout]   --> src/board.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(rows: usize, cols: usize, players: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `player_move`
[INFO] [stdout]   --> src/board.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn player_move(&mut self, player: u8, row: usize, col: usize) -> Result<(), MoveError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration_exists`
[INFO] [stdout]   --> src/board.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn next_iteration_exists(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_iteration`
[INFO] [stdout]   --> src/board.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn next_iteration(&self) {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `owner`
[INFO] [stdout]  --> src/cell.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     owner: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `atoms`
[INFO] [stdout]  --> src/cell.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     atoms: u8,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_checked`
[INFO] [stdout]   --> src/cell.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn add_checked(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_unchecked`
[INFO] [stdout]   --> src/cell.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn add_unchecked(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MoveError`
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum MoveError {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chain_reaction-96b8cd83d1bac84e)
[INFO] running `Command { std: "docker" "inspect" "cf95f5f4ee305a27b62a372de875a9e90a766c32c3865b6f43e60e5baef45b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf95f5f4ee305a27b62a372de875a9e90a766c32c3865b6f43e60e5baef45b3c", kill_on_drop: false }`
[INFO] [stdout] cf95f5f4ee305a27b62a372de875a9e90a766c32c3865b6f43e60e5baef45b3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c2bbe08bbf47784dc48cae557505d317fdf89ffb32b1d5c1d01de9b02709a0f
[INFO] running `Command { std: "docker" "start" "-a" "2c2bbe08bbf47784dc48cae557505d317fdf89ffb32b1d5c1d01de9b02709a0f", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `BoardState`
[INFO] [stderr]  --> src/board.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | enum BoardState {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Board`
[INFO] [stderr]   --> src/board.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Board {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/board.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(rows: usize, cols: usize, players: u8) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `player_move`
[INFO] [stderr]   --> src/board.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn player_move(&mut self, player: u8, row: usize, col: usize) -> Result<(), MoveError> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_iteration_exists`
[INFO] [stderr]   --> src/board.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn next_iteration_exists(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_iteration`
[INFO] [stderr]   --> src/board.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn next_iteration(&self) {}
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `owner`
[INFO] [stderr]  --> src/cell.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     owner: Option<u8>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `atoms`
[INFO] [stderr]  --> src/cell.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     atoms: u8,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_checked`
[INFO] [stderr]   --> src/cell.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_checked(
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_unchecked`
[INFO] [stderr]   --> src/cell.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn add_unchecked(
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MoveError`
[INFO] [stderr]  --> src/errors.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum MoveError {
[INFO] [stderr]   |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chain_reaction` (lib) generated 11 warnings
[INFO] [stderr] warning: `chain_reaction` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chain_reaction-96b8cd83d1bac84e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chain_reaction
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c2bbe08bbf47784dc48cae557505d317fdf89ffb32b1d5c1d01de9b02709a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2bbe08bbf47784dc48cae557505d317fdf89ffb32b1d5c1d01de9b02709a0f", kill_on_drop: false }`
[INFO] [stdout] 2c2bbe08bbf47784dc48cae557505d317fdf89ffb32b1d5c1d01de9b02709a0f