Dec 19 19:16:39.571 INFO checking cauebs/gomoku against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:16:39.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/cauebs/gomoku:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:16:40.068 INFO [stdout] a18571d04edf3a83d5bde5173ff2adf116ceec3c29e98dec430e3b662cd0c997
Dec 19 19:16:40.070 INFO running `"docker" "start" "-a" "a18571d04edf3a83d5bde5173ff2adf116ceec3c29e98dec430e3b662cd0c997"`
Dec 19 19:16:42.028 INFO [stderr]     Checking gomoku v0.1.0 (/opt/crater/workdir)
Dec 19 19:16:42.684 INFO [stderr] warning: unused variable: `board`
Dec 19 19:16:42.684 INFO [stderr]   --> src/ai.rs:66:26
Dec 19 19:16:42.684 INFO [stderr]    |
Dec 19 19:16:42.684 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 19 19:16:42.684 INFO [stderr]    |                          ^^^^^ help: consider using `_board` instead
Dec 19 19:16:42.684 INFO [stderr]    |
Dec 19 19:16:42.684 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:16:42.684 INFO [stderr] 
Dec 19 19:16:42.684 INFO [stderr] warning: unused variable: `last_move`
Dec 19 19:16:42.684 INFO [stderr]   --> src/ai.rs:66:41
Dec 19 19:16:42.684 INFO [stderr]    |
Dec 19 19:16:42.684 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 19 19:16:42.684 INFO [stderr]    |                                         ^^^^^^^^^ help: consider using `_last_move` instead
Dec 19 19:16:42.684 INFO [stderr] 
Dec 19 19:16:42.688 INFO [stderr] warning: unused variable: `board`
Dec 19 19:16:42.688 INFO [stderr]   --> src/ai.rs:66:26
Dec 19 19:16:42.688 INFO [stderr]    |
Dec 19 19:16:42.688 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 19 19:16:42.688 INFO [stderr]    |                          ^^^^^ help: consider using `_board` instead
Dec 19 19:16:42.688 INFO [stderr]    |
Dec 19 19:16:42.688 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:16:42.688 INFO [stderr] 
Dec 19 19:16:42.688 INFO [stderr] warning: unused variable: `last_move`
Dec 19 19:16:42.688 INFO [stderr]   --> src/ai.rs:66:41
Dec 19 19:16:42.688 INFO [stderr]    |
Dec 19 19:16:42.688 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 19 19:16:42.688 INFO [stderr]    |                                         ^^^^^^^^^ help: consider using `_last_move` instead
Dec 19 19:16:42.688 INFO [stderr] 
Dec 19 19:16:42.788 INFO [stderr] warning: method is never used: `new`
Dec 19 19:16:42.788 INFO [stderr]   --> src/ai.rs:28:5
Dec 19 19:16:42.788 INFO [stderr]    |
Dec 19 19:16:42.788 INFO [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
Dec 19 19:16:42.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.788 INFO [stderr]    |
Dec 19 19:16:42.788 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:16:42.788 INFO [stderr] 
Dec 19 19:16:42.789 INFO [stderr] warning: function is never used: `coordinates_from_str`
Dec 19 19:16:42.789 INFO [stderr]  --> src/coordinates.rs:7:1
Dec 19 19:16:42.789 INFO [stderr]   |
Dec 19 19:16:42.789 INFO [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
Dec 19 19:16:42.789 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: struct is never constructed: `RandomBot`
Dec 19 19:16:42.800 INFO [stderr]   --> src/players.rs:42:1
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 42 | pub struct RandomBot;
Dec 19 19:16:42.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: method is never used: `new`
Dec 19 19:16:42.800 INFO [stderr]   --> src/ai.rs:28:5
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
Dec 19 19:16:42.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: function is never used: `coordinates_from_str`
Dec 19 19:16:42.800 INFO [stderr]  --> src/coordinates.rs:7:1
Dec 19 19:16:42.800 INFO [stderr]   |
Dec 19 19:16:42.800 INFO [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
Dec 19 19:16:42.800 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: method is never used: `play_turns`
Dec 19 19:16:42.800 INFO [stderr]   --> src/game.rs:62:5
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 62 |     pub fn play_turns(&mut self, turns: u32) -> Option<EndGame> {
Dec 19 19:16:42.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: struct is never constructed: `RandomBot`
Dec 19 19:16:42.800 INFO [stderr]   --> src/players.rs:42:1
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 42 | pub struct RandomBot;
Dec 19 19:16:42.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: struct is never constructed: `TestBot`
Dec 19 19:16:42.800 INFO [stderr]   --> src/players.rs:51:1
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 51 | pub struct TestBot {
Dec 19 19:16:42.800 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.800 INFO [stderr] warning: method is never used: `new`
Dec 19 19:16:42.800 INFO [stderr]   --> src/players.rs:56:5
Dec 19 19:16:42.800 INFO [stderr]    |
Dec 19 19:16:42.800 INFO [stderr] 56 |     pub fn new(mut moves: Vec<(usize, usize)>) -> Self {
Dec 19 19:16:42.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:16:42.800 INFO [stderr] 
Dec 19 19:16:42.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 19 19:16:43.522 INFO running `"docker" "inspect" "a18571d04edf3a83d5bde5173ff2adf116ceec3c29e98dec430e3b662cd0c997"`
Dec 19 19:16:43.808 INFO running `"docker" "rm" "-f" "a18571d04edf3a83d5bde5173ff2adf116ceec3c29e98dec430e3b662cd0c997"`
Dec 19 19:16:44.032 INFO [stdout] a18571d04edf3a83d5bde5173ff2adf116ceec3c29e98dec430e3b662cd0c997