Dec 11 08:55:34.092 INFO checking starrtnow/mcts-connect-four against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:55:34.092 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 08:55:34.569 INFO [stdout] c43346caa58f32e81fe7faabb31f6f3c9378506fdb8aac42f807ac97ee614254
Dec 11 08:55:34.571 INFO running `"docker" "start" "-a" "c43346caa58f32e81fe7faabb31f6f3c9378506fdb8aac42f807ac97ee614254"`
Dec 11 08:55:36.697 INFO [stderr] usermod: no changes
Dec 11 08:55:36.783 INFO [stderr]     Checking connect_three v0.1.0 (/source)
Dec 11 08:55:37.136 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 08:55:37.136 INFO [stderr]   --> src/game_state.rs:53:12
Dec 11 08:55:37.136 INFO [stderr]    |
Dec 11 08:55:37.136 INFO [stderr] 53 |         if (column[i] == Color::Empty){
Dec 11 08:55:37.136 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 08:55:37.136 INFO [stderr]    |
Dec 11 08:55:37.136 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 08:55:37.136 INFO [stderr] 
Dec 11 08:55:37.136 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 08:55:37.136 INFO [stderr]    --> src/monte_carlo.rs:243:19
Dec 11 08:55:37.136 INFO [stderr]     |
Dec 11 08:55:37.136 INFO [stderr] 243 |                 if(uct > best_uct){
Dec 11 08:55:37.136 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 08:55:37.136 INFO [stderr] 
Dec 11 08:55:37.324 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 08:55:37.324 INFO [stderr]   --> src/game_state.rs:53:12
Dec 11 08:55:37.325 INFO [stderr]    |
Dec 11 08:55:37.325 INFO [stderr] 53 |         if (column[i] == Color::Empty){
Dec 11 08:55:37.325 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 08:55:37.326 INFO [stderr]    |
Dec 11 08:55:37.326 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 08:55:37.326 INFO [stderr] 
Dec 11 08:55:37.340 INFO [stderr] warning: unused import: `super::*`
Dec 11 08:55:37.341 INFO [stderr]    --> src/game_state.rs:190:9
Dec 11 08:55:37.341 INFO [stderr]     |
Dec 11 08:55:37.341 INFO [stderr] 190 |     use super::*; 
Dec 11 08:55:37.341 INFO [stderr]     |         ^^^^^^^^
Dec 11 08:55:37.341 INFO [stderr]     |
Dec 11 08:55:37.342 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 08:55:37.342 INFO [stderr] 
Dec 11 08:55:37.342 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 08:55:37.342 INFO [stderr]    --> src/monte_carlo.rs:243:19
Dec 11 08:55:37.342 INFO [stderr]     |
Dec 11 08:55:37.342 INFO [stderr] 243 |                 if(uct > best_uct){
Dec 11 08:55:37.342 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 08:55:37.342 INFO [stderr] 
Dec 11 08:55:37.564 INFO [stderr] warning: unused variable: `item`
Dec 11 08:55:37.564 INFO [stderr]   --> src/game_state.rs:51:14
Dec 11 08:55:37.565 INFO [stderr]    |
Dec 11 08:55:37.565 INFO [stderr] 51 | fn push_back(item : Color, column : &mut [Color; 6]) -> usize{
Dec 11 08:55:37.565 INFO [stderr]    |              ^^^^ help: consider using `_item` instead
Dec 11 08:55:37.566 INFO [stderr]    |
Dec 11 08:55:37.566 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:55:37.566 INFO [stderr] 
Dec 11 08:55:37.567 INFO [stderr] warning: unused variable: `player`
Dec 11 08:55:37.567 INFO [stderr]   --> src/monte_carlo.rs:66:54
Dec 11 08:55:37.567 INFO [stderr]    |
Dec 11 08:55:37.567 INFO [stderr] 66 | pub fn run_simulation(state : game_state::GameState, player : game_state::Color) -> game_state::End{ 
Dec 11 08:55:37.567 INFO [stderr]    |                                                      ^^^^^^ help: consider using `_player` instead
Dec 11 08:55:37.568 INFO [stderr] 
Dec 11 08:55:37.637 INFO [stderr] warning: function is never used: `optimal_move_highest_win`
Dec 11 08:55:37.637 INFO [stderr]    --> src/monte_carlo.rs:161:1
Dec 11 08:55:37.637 INFO [stderr]     |
Dec 11 08:55:37.637 INFO [stderr] 161 | fn optimal_move_highest_win(possible_moves : &Vec<(game_state::Move, &UCTData)>) -> game_state::Move{
Dec 11 08:55:37.637 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:55:37.639 INFO [stderr]     |
Dec 11 08:55:37.639 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 08:55:37.639 INFO [stderr] 
Dec 11 08:55:37.644 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.644 INFO [stderr]   --> src/game_state.rs:47:35
Dec 11 08:55:37.644 INFO [stderr]    |
Dec 11 08:55:37.644 INFO [stderr] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
Dec 11 08:55:37.644 INFO [stderr]    |                                   ^^^^^^^^^^^^
Dec 11 08:55:37.645 INFO [stderr]    |
Dec 11 08:55:37.645 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 11 08:55:37.645 INFO [stderr] 
Dec 11 08:55:37.645 INFO [stderr] warning: variable `stepX` should have a snake case name such as `step_x`
Dec 11 08:55:37.645 INFO [stderr]    --> src/game_state.rs:109:62
Dec 11 08:55:37.645 INFO [stderr]     |
Dec 11 08:55:37.645 INFO [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
Dec 11 08:55:37.645 INFO [stderr]     |                                                              ^^^^^
Dec 11 08:55:37.646 INFO [stderr]     |
Dec 11 08:55:37.646 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 08:55:37.646 INFO [stderr] 
Dec 11 08:55:37.646 INFO [stderr] warning: variable `stepY` should have a snake case name such as `step_y`
Dec 11 08:55:37.646 INFO [stderr]    --> src/game_state.rs:109:75
Dec 11 08:55:37.646 INFO [stderr]     |
Dec 11 08:55:37.646 INFO [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
Dec 11 08:55:37.646 INFO [stderr]     |                                                                           ^^^^^
Dec 11 08:55:37.646 INFO [stderr] 
Dec 11 08:55:37.648 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.648 INFO [stderr]    --> src/game_state.rs:114:16
Dec 11 08:55:37.648 INFO [stderr]     |
Dec 11 08:55:37.648 INFO [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
Dec 11 08:55:37.648 INFO [stderr]     |                ^^^^^
Dec 11 08:55:37.648 INFO [stderr] 
Dec 11 08:55:37.648 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.648 INFO [stderr]    --> src/game_state.rs:114:46
Dec 11 08:55:37.648 INFO [stderr]     |
Dec 11 08:55:37.648 INFO [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
Dec 11 08:55:37.648 INFO [stderr]     |                                              ^^^^^
Dec 11 08:55:37.648 INFO [stderr] 
Dec 11 08:55:37.680 INFO [stderr] warning: unused variable: `item`
Dec 11 08:55:37.680 INFO [stderr]   --> src/game_state.rs:51:14
Dec 11 08:55:37.680 INFO [stderr]    |
Dec 11 08:55:37.680 INFO [stderr] 51 | fn push_back(item : Color, column : &mut [Color; 6]) -> usize{
Dec 11 08:55:37.680 INFO [stderr]    |              ^^^^ help: consider using `_item` instead
Dec 11 08:55:37.680 INFO [stderr]    |
Dec 11 08:55:37.680 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:55:37.680 INFO [stderr] 
Dec 11 08:55:37.685 INFO [stderr] warning: unused variable: `player`
Dec 11 08:55:37.685 INFO [stderr]   --> src/monte_carlo.rs:66:54
Dec 11 08:55:37.685 INFO [stderr]    |
Dec 11 08:55:37.685 INFO [stderr] 66 | pub fn run_simulation(state : game_state::GameState, player : game_state::Color) -> game_state::End{ 
Dec 11 08:55:37.685 INFO [stderr]    |                                                      ^^^^^^ help: consider using `_player` instead
Dec 11 08:55:37.685 INFO [stderr] 
Dec 11 08:55:37.754 INFO [stderr] warning: function is never used: `optimal_move_highest_win`
Dec 11 08:55:37.754 INFO [stderr]    --> src/monte_carlo.rs:161:1
Dec 11 08:55:37.754 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr] 161 | fn optimal_move_highest_win(possible_moves : &Vec<(game_state::Move, &UCTData)>) -> game_state::Move{
Dec 11 08:55:37.755 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.755 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.755 INFO [stderr]   --> src/game_state.rs:47:35
Dec 11 08:55:37.755 INFO [stderr]    |
Dec 11 08:55:37.755 INFO [stderr] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
Dec 11 08:55:37.755 INFO [stderr]    |                                   ^^^^^^^^^^^^
Dec 11 08:55:37.755 INFO [stderr]    |
Dec 11 08:55:37.755 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.755 INFO [stderr] warning: variable `stepX` should have a snake case name such as `step_x`
Dec 11 08:55:37.755 INFO [stderr]    --> src/game_state.rs:109:62
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
Dec 11 08:55:37.755 INFO [stderr]     |                                                              ^^^^^
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.755 INFO [stderr] warning: variable `stepY` should have a snake case name such as `step_y`
Dec 11 08:55:37.755 INFO [stderr]    --> src/game_state.rs:109:75
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
Dec 11 08:55:37.755 INFO [stderr]     |                                                                           ^^^^^
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.755 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.755 INFO [stderr]    --> src/game_state.rs:114:16
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
Dec 11 08:55:37.755 INFO [stderr]     |                ^^^^^
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.755 INFO [stderr] warning: comparison is useless due to type limits
Dec 11 08:55:37.755 INFO [stderr]    --> src/game_state.rs:114:46
Dec 11 08:55:37.755 INFO [stderr]     |
Dec 11 08:55:37.755 INFO [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
Dec 11 08:55:37.755 INFO [stderr]     |                                              ^^^^^
Dec 11 08:55:37.755 INFO [stderr] 
Dec 11 08:55:37.785 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 11 08:55:37.788 INFO [stderr] su: No module specific data is present
Dec 11 08:55:38.854 INFO running `"docker" "inspect" "c43346caa58f32e81fe7faabb31f6f3c9378506fdb8aac42f807ac97ee614254"`
Dec 11 08:55:39.102 INFO running `"docker" "rm" "-f" "c43346caa58f32e81fe7faabb31f6f3c9378506fdb8aac42f807ac97ee614254"`
Dec 11 08:55:39.327 INFO [stdout] c43346caa58f32e81fe7faabb31f6f3c9378506fdb8aac42f807ac97ee614254