Dec 04 21:13:03.767 INFO checking cauebs/gomoku against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:13:03.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 21:13:04.255 INFO [stdout] e9e77afb65e890e378d8bc01a3712f11e7c868a7b02c5a84ad44f796bcb833b6
Dec 04 21:13:04.257 INFO running `"docker" "start" "-a" "e9e77afb65e890e378d8bc01a3712f11e7c868a7b02c5a84ad44f796bcb833b6"`
Dec 04 21:13:05.913 INFO [stderr] usermod: no changes
Dec 04 21:13:06.067 INFO [stderr]     Checking failure v0.1.2
Dec 04 21:13:06.975 INFO [stderr]     Checking gomoku v0.1.0 (/source)
Dec 04 21:13:07.883 INFO [stderr] warning: unused variable: `board`
Dec 04 21:13:07.883 INFO [stderr]   --> src/ai.rs:66:26
Dec 04 21:13:07.884 INFO [stderr]    |
Dec 04 21:13:07.884 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 04 21:13:07.884 INFO [stderr]    |                          ^^^^^ help: consider using `_board` instead
Dec 04 21:13:07.884 INFO [stderr]    |
Dec 04 21:13:07.884 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:13:07.884 INFO [stderr] 
Dec 04 21:13:07.884 INFO [stderr] warning: unused variable: `last_move`
Dec 04 21:13:07.884 INFO [stderr]   --> src/ai.rs:66:41
Dec 04 21:13:07.884 INFO [stderr]    |
Dec 04 21:13:07.884 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 04 21:13:07.884 INFO [stderr]    |                                         ^^^^^^^^^ help: consider using `_last_move` instead
Dec 04 21:13:07.884 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: method is never used: `new`
Dec 04 21:13:07.929 INFO [stderr]   --> src/ai.rs:28:5
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
Dec 04 21:13:07.929 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: function is never used: `coordinates_from_str`
Dec 04 21:13:07.929 INFO [stderr]  --> src/coordinates.rs:7:1
Dec 04 21:13:07.929 INFO [stderr]   |
Dec 04 21:13:07.929 INFO [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
Dec 04 21:13:07.929 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: method is never used: `play_turns`
Dec 04 21:13:07.929 INFO [stderr]   --> src/game.rs:62:5
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr] 62 |     pub fn play_turns(&mut self, turns: u32) -> Option<EndGame> {
Dec 04 21:13:07.929 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: struct is never constructed: `RandomBot`
Dec 04 21:13:07.929 INFO [stderr]   --> src/players.rs:42:1
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr] 42 | pub struct RandomBot;
Dec 04 21:13:07.929 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: struct is never constructed: `TestBot`
Dec 04 21:13:07.929 INFO [stderr]   --> src/players.rs:51:1
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr] 51 | pub struct TestBot {
Dec 04 21:13:07.929 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.929 INFO [stderr] warning: method is never used: `new`
Dec 04 21:13:07.929 INFO [stderr]   --> src/players.rs:56:5
Dec 04 21:13:07.929 INFO [stderr]    |
Dec 04 21:13:07.929 INFO [stderr] 56 |     pub fn new(mut moves: Vec<(usize, usize)>) -> Self {
Dec 04 21:13:07.929 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:07.929 INFO [stderr] 
Dec 04 21:13:07.963 INFO [stderr] warning: unused variable: `board`
Dec 04 21:13:07.963 INFO [stderr]   --> src/ai.rs:66:26
Dec 04 21:13:07.963 INFO [stderr]    |
Dec 04 21:13:07.963 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 04 21:13:07.963 INFO [stderr]    |                          ^^^^^ help: consider using `_board` instead
Dec 04 21:13:07.963 INFO [stderr]    |
Dec 04 21:13:07.963 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:13:07.963 INFO [stderr] 
Dec 04 21:13:07.963 INFO [stderr] warning: unused variable: `last_move`
Dec 04 21:13:07.963 INFO [stderr]   --> src/ai.rs:66:41
Dec 04 21:13:07.963 INFO [stderr]    |
Dec 04 21:13:07.963 INFO [stderr] 66 |     fn decide(&mut self, board: &Board, last_move: Option<(usize, usize)>) -> (usize, usize) {
Dec 04 21:13:07.963 INFO [stderr]    |                                         ^^^^^^^^^ help: consider using `_last_move` instead
Dec 04 21:13:07.963 INFO [stderr] 
Dec 04 21:13:08.019 INFO [stderr] warning: method is never used: `new`
Dec 04 21:13:08.019 INFO [stderr]   --> src/ai.rs:28:5
Dec 04 21:13:08.019 INFO [stderr]    |
Dec 04 21:13:08.019 INFO [stderr] 28 |     fn new(state: Board, heuristic_value: f64, alpha: f64, beta: f64) -> Self {
Dec 04 21:13:08.019 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:08.019 INFO [stderr]    |
Dec 04 21:13:08.019 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 21:13:08.019 INFO [stderr] 
Dec 04 21:13:08.019 INFO [stderr] warning: function is never used: `coordinates_from_str`
Dec 04 21:13:08.019 INFO [stderr]  --> src/coordinates.rs:7:1
Dec 04 21:13:08.019 INFO [stderr]   |
Dec 04 21:13:08.019 INFO [stderr] 7 | pub fn coordinates_from_str(s: &str) -> Result<(usize, usize), failure::Error> {
Dec 04 21:13:08.019 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:08.019 INFO [stderr] 
Dec 04 21:13:08.019 INFO [stderr] warning: struct is never constructed: `RandomBot`
Dec 04 21:13:08.019 INFO [stderr]   --> src/players.rs:42:1
Dec 04 21:13:08.019 INFO [stderr]    |
Dec 04 21:13:08.019 INFO [stderr] 42 | pub struct RandomBot;
Dec 04 21:13:08.019 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:13:08.019 INFO [stderr] 
Dec 04 21:13:08.062 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 04 21:13:08.066 INFO [stderr] su: No module specific data is present
Dec 04 21:13:08.495 INFO running `"docker" "inspect" "e9e77afb65e890e378d8bc01a3712f11e7c868a7b02c5a84ad44f796bcb833b6"`
Dec 04 21:13:08.753 INFO running `"docker" "rm" "-f" "e9e77afb65e890e378d8bc01a3712f11e7c868a7b02c5a84ad44f796bcb833b6"`
Dec 04 21:13:09.002 INFO [stdout] e9e77afb65e890e378d8bc01a3712f11e7c868a7b02c5a84ad44f796bcb833b6