[INFO] cloning repository https://github.com/cauebs/gomoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cauebs/gomoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fgomoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fgomoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8d6acfe32d9dabefe831e3056c0460fb7d4bd6a
[INFO] testing cauebs/gomoku against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fgomoku" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cauebs/gomoku on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cauebs/gomoku
[INFO] finished tweaking git repo https://github.com/cauebs/gomoku
[INFO] tweaked toml for git repo https://github.com/cauebs/gomoku written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/cauebs/gomoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee0119ce9df0bc362e4824d79dbcd5ed1d41507c34c8abc0dd7ef0949047d11
[INFO] running `Command { std: "docker" "start" "-a" "0ee0119ce9df0bc362e4824d79dbcd5ed1d41507c34c8abc0dd7ef0949047d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee0119ce9df0bc362e4824d79dbcd5ed1d41507c34c8abc0dd7ef0949047d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee0119ce9df0bc362e4824d79dbcd5ed1d41507c34c8abc0dd7ef0949047d11", kill_on_drop: false }`
[INFO] [stdout] 0ee0119ce9df0bc362e4824d79dbcd5ed1d41507c34c8abc0dd7ef0949047d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4f05d51b689c0af66d008ebe893d646dcfeae9e7c6d1f97d614f7a37eafcf7
[INFO] running `Command { std: "docker" "start" "-a" "6a4f05d51b689c0af66d008ebe893d646dcfeae9e7c6d1f97d614f7a37eafcf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling gomoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/ai.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[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: `last_move`
[INFO] [stdout]   --> src/ai.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/ai.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     state: Board,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ai.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `static_value`
[INFO] [stdout]  --> src/ai.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     static_value: Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ai.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alpha`
[INFO] [stdout]   --> src/ai.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     alpha: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `beta`
[INFO] [stdout]   --> src/ai.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     beta: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/ai.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     children: HashMap<(usize, usize), Box<DecisionTree>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ai.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `static_evaluator`
[INFO] [stdout]   --> src/ai.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     static_evaluator: F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decision_tree`
[INFO] [stdout]   --> src/ai.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     decision_tree: DecisionTree,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `recursion_limit`
[INFO] [stdout]   --> src/ai.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     recursion_limit: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `coordinates_from_str`
[INFO] [stdout]  --> src/coordinates.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `play_turns`
[INFO] [stdout]   --> src/game.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn play_turns(&mut self, turns: u32) -> Option<EndGame> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/players.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(mut moves: Vec<(usize, usize)>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "6a4f05d51b689c0af66d008ebe893d646dcfeae9e7c6d1f97d614f7a37eafcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4f05d51b689c0af66d008ebe893d646dcfeae9e7c6d1f97d614f7a37eafcf7", kill_on_drop: false }`
[INFO] [stdout] 6a4f05d51b689c0af66d008ebe893d646dcfeae9e7c6d1f97d614f7a37eafcf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 708be4f3b2e89d35ab2e230501c26f1c4ab86d3b283e32f9027c8fadc1a5ab1f
[INFO] running `Command { std: "docker" "start" "-a" "708be4f3b2e89d35ab2e230501c26f1c4ab86d3b283e32f9027c8fadc1a5ab1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gomoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/ai.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[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: `last_move`
[INFO] [stdout]   --> src/ai.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/ai.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     state: Board,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ai.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `static_value`
[INFO] [stdout]  --> src/ai.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     static_value: Option<f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ai.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alpha`
[INFO] [stdout]   --> src/ai.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     alpha: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `beta`
[INFO] [stdout]   --> src/ai.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     beta: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/ai.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     children: HashMap<(usize, usize), Box<DecisionTree>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ai.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `static_evaluator`
[INFO] [stdout]   --> src/ai.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     static_evaluator: F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decision_tree`
[INFO] [stdout]   --> src/ai.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     decision_tree: DecisionTree,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `recursion_limit`
[INFO] [stdout]   --> src/ai.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     recursion_limit: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ai.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `coordinates_from_str`
[INFO] [stdout]  --> src/coordinates.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "708be4f3b2e89d35ab2e230501c26f1c4ab86d3b283e32f9027c8fadc1a5ab1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708be4f3b2e89d35ab2e230501c26f1c4ab86d3b283e32f9027c8fadc1a5ab1f", kill_on_drop: false }`
[INFO] [stdout] 708be4f3b2e89d35ab2e230501c26f1c4ab86d3b283e32f9027c8fadc1a5ab1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e74b8f790789c9bf6ff1cbcb7f16038e3b435b2cd0279a1f6677e206ec20b5e
[INFO] running `Command { std: "docker" "start" "-a" "5e74b8f790789c9bf6ff1cbcb7f16038e3b435b2cd0279a1f6677e206ec20b5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/ai.rs:66:26
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[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: `last_move`
[INFO] [stderr]   --> src/ai.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_move`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]  --> src/ai.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     state: Board,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/ai.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `static_value`
[INFO] [stderr]  --> src/ai.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     static_value: Option<f64>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/ai.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `alpha`
[INFO] [stderr]   --> src/ai.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     alpha: f64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `beta`
[INFO] [stderr]   --> src/ai.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     beta: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `children`
[INFO] [stderr]   --> src/ai.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     children: HashMap<(usize, usize), Box<DecisionTree>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `DecisionTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ai.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `static_evaluator`
[INFO] [stderr]   --> src/ai.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     static_evaluator: F,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `decision_tree`
[INFO] [stderr]   --> src/ai.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     decision_tree: DecisionTree,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `recursion_limit`
[INFO] [stderr]   --> src/ai.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     recursion_limit: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `SmartBot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ai.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `coordinates_from_str`
[INFO] [stderr]  --> src/coordinates.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gomoku` (bin "gomoku" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gomoku-47b30e1f6db5fb48)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_horizontal_victory ... ok
[INFO] [stdout] test tests::test_vertical_victory ... ok
[INFO] [stdout] test tests::test_horizontal_wrap ... ok
[INFO] [stdout] test tests::test_diagonal_victory ... ok
[INFO] [stdout] test tests::test_vertical_wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e74b8f790789c9bf6ff1cbcb7f16038e3b435b2cd0279a1f6677e206ec20b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e74b8f790789c9bf6ff1cbcb7f16038e3b435b2cd0279a1f6677e206ec20b5e", kill_on_drop: false }`
[INFO] [stdout] 5e74b8f790789c9bf6ff1cbcb7f16038e3b435b2cd0279a1f6677e206ec20b5e