[INFO] cloning repository https://github.com/AshtonCoates/cnct4game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AshtonCoates/cnct4game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshtonCoates%2Fcnct4game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshtonCoates%2Fcnct4game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b395da69482caf42bdde99944d1bc02c5790d4
[INFO] testing AshtonCoates/cnct4game against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshtonCoates%2Fcnct4game" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AshtonCoates/cnct4game
[INFO] finished tweaking git repo https://github.com/AshtonCoates/cnct4game
[INFO] tweaked toml for git repo https://github.com/AshtonCoates/cnct4game written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AshtonCoates/cnct4game on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AshtonCoates/cnct4game 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0c0a9ca483975dc5a14b72a12a9d2fae541f6a367673962b9c5993a68789b73
[INFO] running `Command { std: "docker" "start" "-a" "b0c0a9ca483975dc5a14b72a12a9d2fae541f6a367673962b9c5993a68789b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0c0a9ca483975dc5a14b72a12a9d2fae541f6a367673962b9c5993a68789b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c0a9ca483975dc5a14b72a12a9d2fae541f6a367673962b9c5993a68789b73", kill_on_drop: false }`
[INFO] [stdout] b0c0a9ca483975dc5a14b72a12a9d2fae541f6a367673962b9c5993a68789b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eac248c2428505e5415902e6334c40c72ef451d76e427f8f4e2615e49af3a11
[INFO] running `Command { std: "docker" "start" "-a" "5eac248c2428505e5415902e6334c40c72ef451d76e427f8f4e2615e49af3a11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anstream v0.6.5
[INFO] [stderr]    Compiling clap_builder v4.4.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.40
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling clap v4.4.11
[INFO] [stderr]    Compiling cnct4game v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::PlayerNumber`
[INFO] [stdout]  --> src/board.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::PlayerNumber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::player::Player`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::player::Player;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::PlayerNumber`
[INFO] [stdout]  --> src/player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::PlayerNumber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/player.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/player.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/player.rs:25:44
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayerNumber` is never used
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum PlayerNumber {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/player.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INFINITY: f64 = std::f64::INFINITY;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NEG_INFINITY` is never used
[INFO] [stdout]  --> src/player.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NEG_INFINITY: f64 = std::f64::NEG_INFINITY;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Player` is never used
[INFO] [stdout]  --> src/player.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Player {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_move`, `eval_board`, and `simulate_move` are never used
[INFO] [stdout]   --> src/player.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Player { // using the minimax algorithm with alpha-beta pruning
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn make_move(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "5eac248c2428505e5415902e6334c40c72ef451d76e427f8f4e2615e49af3a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eac248c2428505e5415902e6334c40c72ef451d76e427f8f4e2615e49af3a11", kill_on_drop: false }`
[INFO] [stdout] 5eac248c2428505e5415902e6334c40c72ef451d76e427f8f4e2615e49af3a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 683ff2152229377b4169f9c7141e150f54679b7a6f6a59e0394f81c04b77d305
[INFO] running `Command { std: "docker" "start" "-a" "683ff2152229377b4169f9c7141e150f54679b7a6f6a59e0394f81c04b77d305", kill_on_drop: false }`
[INFO] [stderr]    Compiling cnct4game v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::PlayerNumber`
[INFO] [stdout]  --> src/board.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::PlayerNumber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::player::Player`
[INFO] [stdout]  --> src/board.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::player::Player;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::PlayerNumber`
[INFO] [stdout]  --> src/player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::PlayerNumber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/player.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/player.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/player.rs:25:44
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayerNumber` is never used
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum PlayerNumber {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/player.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INFINITY: f64 = std::f64::INFINITY;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NEG_INFINITY` is never used
[INFO] [stdout]  --> src/player.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NEG_INFINITY: f64 = std::f64::NEG_INFINITY;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Player` is never used
[INFO] [stdout]  --> src/player.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Player {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `make_move`, `eval_board`, and `simulate_move` are never used
[INFO] [stdout]   --> src/player.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Player { // using the minimax algorithm with alpha-beta pruning
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn make_move(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "683ff2152229377b4169f9c7141e150f54679b7a6f6a59e0394f81c04b77d305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683ff2152229377b4169f9c7141e150f54679b7a6f6a59e0394f81c04b77d305", kill_on_drop: false }`
[INFO] [stdout] 683ff2152229377b4169f9c7141e150f54679b7a6f6a59e0394f81c04b77d305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b6abae212dea748936155c58446a52ad8d8ef9042726116670cf1f805cff480
[INFO] running `Command { std: "docker" "start" "-a" "5b6abae212dea748936155c58446a52ad8d8ef9042726116670cf1f805cff480", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::PlayerNumber`
[INFO] [stderr]  --> src/board.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::PlayerNumber;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::player::Player`
[INFO] [stderr]  --> src/board.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::player::Player;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::PlayerNumber`
[INFO] [stderr]  --> src/player.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::PlayerNumber;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/player.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/player.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/player.rs:25:44
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stderr]    |                                            ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PlayerNumber` is never used
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 | enum PlayerNumber {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INFINITY` is never used
[INFO] [stderr]  --> src/player.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const INFINITY: f64 = std::f64::INFINITY;
[INFO] [stderr]   |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NEG_INFINITY` is never used
[INFO] [stderr]  --> src/player.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NEG_INFINITY: f64 = std::f64::NEG_INFINITY;
[INFO] [stderr]   |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Player` is never used
[INFO] [stderr]  --> src/player.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Player {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `make_move`, `eval_board`, and `simulate_move` are never used
[INFO] [stderr]   --> src/player.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Player { // using the minimax algorithm with alpha-beta pruning
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn make_move(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn eval_board(board:Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn simulate_move(board: Vec<Vec<i32>>, col:usize) -> Vec<Vec<i32>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cnct4game` (bin "cnct4game" test) generated 11 warnings (run `cargo fix --bin "cnct4game" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cnct4game-004ce9f8ab865c1a)
[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" "5b6abae212dea748936155c58446a52ad8d8ef9042726116670cf1f805cff480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6abae212dea748936155c58446a52ad8d8ef9042726116670cf1f805cff480", kill_on_drop: false }`
[INFO] [stdout] 5b6abae212dea748936155c58446a52ad8d8ef9042726116670cf1f805cff480