Nov 29 14:03:39.487 INFO checking zeerorg/A-I-Rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 14:03:39.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 14:03:39.970 INFO [stdout] fa8efab4e16181a2f9db042ce45f4087294315f1c6aaab3b098ba014b399cda6
Nov 29 14:03:39.972 INFO running `"docker" "start" "-a" "fa8efab4e16181a2f9db042ce45f4087294315f1c6aaab3b098ba014b399cda6"`
Nov 29 14:03:41.747 INFO [stderr] usermod: no changes
Nov 29 14:03:41.791 INFO [stderr]     Checking artificial_intelligence v0.1.0 (/source)
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `dfs`
Nov 29 14:03:42.292 INFO [stderr]  --> src/algo/dfs.rs:5:1
Nov 29 14:03:42.292 INFO [stderr]   |
Nov 29 14:03:42.292 INFO [stderr] 5 | pub fn dfs<T: PartialEq + Hash + Eq + Clone + Display> (start: &T, goal_function: &Fn(&T) -> bool, _functions: Vec<&Fn(&T) -> T>) -> bool {
Nov 29 14:03:42.292 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr]   |
Nov 29 14:03:42.292 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `bfs`
Nov 29 14:03:42.292 INFO [stderr]  --> src/algo/bfs.rs:5:1
Nov 29 14:03:42.292 INFO [stderr]   |
Nov 29 14:03:42.292 INFO [stderr] 5 | pub fn bfs<T: PartialEq + Hash + Eq + Clone + Display> (start: &T, goal_function: &Fn(&T) -> bool, _functions: Vec<&Fn(&T) -> T>) -> bool {
Nov 29 14:03:42.292 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `dfid`
Nov 29 14:03:42.292 INFO [stderr]  --> src/algo/dfid.rs:6:1
Nov 29 14:03:42.292 INFO [stderr]   |
Nov 29 14:03:42.292 INFO [stderr] 6 | pub fn dfid<T: PartialEq + Hash + Eq + Clone + Display> (start: &T, goal_function: &Fn(&T) -> bool, _functions: &Vec<&Fn(&T) -> T>) -> bool {
Nov 29 14:03:42.292 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `dfs_depth`
Nov 29 14:03:42.292 INFO [stderr]   --> src/algo/dfid.rs:24:1
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 24 | fn dfs_depth<T: PartialEq + Hash + Eq + Clone + Display> (start: &T, goal_function: &Fn(&T) -> bool, _functions: &Vec<&Fn(&T) -> T>, max_depth: i32) -> (bool, i32) {
Nov 29 14:03:42.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `start_game`
Nov 29 14:03:42.292 INFO [stderr]  --> src/algo/tic_tac_toe_algo.rs:4:1
Nov 29 14:03:42.292 INFO [stderr]   |
Nov 29 14:03:42.292 INFO [stderr] 4 | fn start_game() -> i32 {
Nov 29 14:03:42.292 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: method is never used: `new`
Nov 29 14:03:42.292 INFO [stderr]   --> src/problems/water_jug.rs:13:5
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 13 |     pub fn new(jug_a: i32, jug_b: i32, max_a: i32, max_b: i32) -> Jugs {
Nov 29 14:03:42.292 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `fill_a`
Nov 29 14:03:42.292 INFO [stderr]   --> src/problems/water_jug.rs:29:1
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 29 | pub fn fill_a(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `fill_b`
Nov 29 14:03:42.292 INFO [stderr]   --> src/problems/water_jug.rs:38:1
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 38 | pub fn fill_b(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `empty_a`
Nov 29 14:03:42.292 INFO [stderr]   --> src/problems/water_jug.rs:47:1
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 47 | pub fn empty_a(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.292 INFO [stderr] warning: function is never used: `empty_b`
Nov 29 14:03:42.292 INFO [stderr]   --> src/problems/water_jug.rs:56:1
Nov 29 14:03:42.292 INFO [stderr]    |
Nov 29 14:03:42.292 INFO [stderr] 56 | pub fn empty_b(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.292 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.292 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `trn_a_to_b`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/water_jug.rs:65:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 65 | pub fn trn_a_to_b(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `trn_b_to_a`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/water_jug.rs:74:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 74 | pub fn trn_b_to_a(jugs: &Jugs) -> Jugs {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: method is never used: `new`
Nov 29 14:03:42.293 INFO [stderr]  --> src/problems/eight_puzz.rs:8:5
Nov 29 14:03:42.293 INFO [stderr]   |
Nov 29 14:03:42.293 INFO [stderr] 8 |     pub fn new(puzzle: [[i32; 3] ; 3]) -> Puzzle {
Nov 29 14:03:42.293 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `from_up`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/eight_puzz.rs:27:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 27 | pub fn from_up(x: &Puzzle) -> Puzzle {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `from_down`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/eight_puzz.rs:42:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 42 | pub fn from_down(x: &Puzzle) -> Puzzle {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `from_left`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/eight_puzz.rs:57:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 57 | pub fn from_left(x: &Puzzle) -> Puzzle {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: function is never used: `from_right`
Nov 29 14:03:42.293 INFO [stderr]   --> src/problems/eight_puzz.rs:72:1
Nov 29 14:03:42.293 INFO [stderr]    |
Nov 29 14:03:42.293 INFO [stderr] 72 | pub fn from_right(x: &Puzzle) -> Puzzle {
Nov 29 14:03:42.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: variant is never constructed: `Blank`
Nov 29 14:03:42.293 INFO [stderr]  --> src/problems/tic_tac_toe.rs:7:5
Nov 29 14:03:42.293 INFO [stderr]   |
Nov 29 14:03:42.293 INFO [stderr] 7 |     Blank = 2,
Nov 29 14:03:42.293 INFO [stderr]   |     ^^^^^^^^^
Nov 29 14:03:42.293 INFO [stderr] 
Nov 29 14:03:42.293 INFO [stderr] warning: variant is never constructed: `X`
Nov 29 14:03:42.293 INFO [stderr]  --> src/problems/tic_tac_toe.rs:8:5
Nov 29 14:03:42.293 INFO [stderr]   |
Nov 29 14:03:42.293 INFO [stderr] 8 |     X = 3,
Nov 29 14:03:42.294 INFO [stderr]   |     ^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: variant is never constructed: `O`
Nov 29 14:03:42.294 INFO [stderr]  --> src/problems/tic_tac_toe.rs:9:5
Nov 29 14:03:42.294 INFO [stderr]   |
Nov 29 14:03:42.294 INFO [stderr] 9 |     O = 5
Nov 29 14:03:42.294 INFO [stderr]   |     ^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `new`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:39:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 39 |     pub fn new() -> Board {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `make_2`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:47:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 47 |     pub fn make_2(&self) -> Option<i32> {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `poss_win`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:58:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 58 |     pub fn poss_win(&self, p: Moves) -> i32 {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `go`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:87:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 87 |     pub fn go(&mut self, pos: &i32, mv: Moves) {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `get_blank`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:93:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 93 |     fn get_blank(&self, positions: &[i32]) -> i32 {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `get_product`
Nov 29 14:03:42.294 INFO [stderr]   --> src/problems/tic_tac_toe.rs:98:5
Nov 29 14:03:42.294 INFO [stderr]    |
Nov 29 14:03:42.294 INFO [stderr] 98 |     fn get_product(&self, positions: &[i32]) -> i32 {
Nov 29 14:03:42.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: struct is never constructed: `NodeDepth`
Nov 29 14:03:42.294 INFO [stderr]  --> src/helper/node.rs:3:1
Nov 29 14:03:42.294 INFO [stderr]   |
Nov 29 14:03:42.294 INFO [stderr] 3 | pub struct NodeDepth<T> {
Nov 29 14:03:42.294 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.294 INFO [stderr] warning: method is never used: `new`
Nov 29 14:03:42.294 INFO [stderr]  --> src/helper/node.rs:9:5
Nov 29 14:03:42.294 INFO [stderr]   |
Nov 29 14:03:42.294 INFO [stderr] 9 |     pub fn new(data: T, depth: i32) -> NodeDepth<T> {
Nov 29 14:03:42.294 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.294 INFO [stderr] 
Nov 29 14:03:42.524 INFO [stderr] warning: function is never used: `start_game`
Nov 29 14:03:42.524 INFO [stderr]  --> src/algo/tic_tac_toe_algo.rs:4:1
Nov 29 14:03:42.524 INFO [stderr]   |
Nov 29 14:03:42.524 INFO [stderr] 4 | fn start_game() -> i32 {
Nov 29 14:03:42.524 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.524 INFO [stderr]   |
Nov 29 14:03:42.524 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 14:03:42.524 INFO [stderr] 
Nov 29 14:03:42.524 INFO [stderr] warning: variant is never constructed: `Blank`
Nov 29 14:03:42.524 INFO [stderr]  --> src/problems/tic_tac_toe.rs:7:5
Nov 29 14:03:42.524 INFO [stderr]   |
Nov 29 14:03:42.524 INFO [stderr] 7 |     Blank = 2,
Nov 29 14:03:42.524 INFO [stderr]   |     ^^^^^^^^^
Nov 29 14:03:42.524 INFO [stderr] 
Nov 29 14:03:42.524 INFO [stderr] warning: variant is never constructed: `X`
Nov 29 14:03:42.524 INFO [stderr]  --> src/problems/tic_tac_toe.rs:8:5
Nov 29 14:03:42.524 INFO [stderr]   |
Nov 29 14:03:42.524 INFO [stderr] 8 |     X = 3,
Nov 29 14:03:42.524 INFO [stderr]   |     ^^^^^
Nov 29 14:03:42.524 INFO [stderr] 
Nov 29 14:03:42.524 INFO [stderr] warning: variant is never constructed: `O`
Nov 29 14:03:42.524 INFO [stderr]  --> src/problems/tic_tac_toe.rs:9:5
Nov 29 14:03:42.524 INFO [stderr]   |
Nov 29 14:03:42.524 INFO [stderr] 9 |     O = 5
Nov 29 14:03:42.524 INFO [stderr]   |     ^^^^^
Nov 29 14:03:42.524 INFO [stderr] 
Nov 29 14:03:42.524 INFO [stderr] warning: method is never used: `new`
Nov 29 14:03:42.524 INFO [stderr]   --> src/problems/tic_tac_toe.rs:39:5
Nov 29 14:03:42.524 INFO [stderr]    |
Nov 29 14:03:42.524 INFO [stderr] 39 |     pub fn new() -> Board {
Nov 29 14:03:42.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.524 INFO [stderr] 
Nov 29 14:03:42.525 INFO [stderr] warning: method is never used: `make_2`
Nov 29 14:03:42.525 INFO [stderr]   --> src/problems/tic_tac_toe.rs:47:5
Nov 29 14:03:42.525 INFO [stderr]    |
Nov 29 14:03:42.525 INFO [stderr] 47 |     pub fn make_2(&self) -> Option<i32> {
Nov 29 14:03:42.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.525 INFO [stderr] 
Nov 29 14:03:42.525 INFO [stderr] warning: method is never used: `poss_win`
Nov 29 14:03:42.525 INFO [stderr]   --> src/problems/tic_tac_toe.rs:58:5
Nov 29 14:03:42.525 INFO [stderr]    |
Nov 29 14:03:42.525 INFO [stderr] 58 |     pub fn poss_win(&self, p: Moves) -> i32 {
Nov 29 14:03:42.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.525 INFO [stderr] 
Nov 29 14:03:42.525 INFO [stderr] warning: method is never used: `go`
Nov 29 14:03:42.525 INFO [stderr]   --> src/problems/tic_tac_toe.rs:87:5
Nov 29 14:03:42.525 INFO [stderr]    |
Nov 29 14:03:42.525 INFO [stderr] 87 |     pub fn go(&mut self, pos: &i32, mv: Moves) {
Nov 29 14:03:42.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.525 INFO [stderr] 
Nov 29 14:03:42.525 INFO [stderr] warning: method is never used: `get_blank`
Nov 29 14:03:42.525 INFO [stderr]   --> src/problems/tic_tac_toe.rs:93:5
Nov 29 14:03:42.525 INFO [stderr]    |
Nov 29 14:03:42.525 INFO [stderr] 93 |     fn get_blank(&self, positions: &[i32]) -> i32 {
Nov 29 14:03:42.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.525 INFO [stderr] 
Nov 29 14:03:42.525 INFO [stderr] warning: method is never used: `get_product`
Nov 29 14:03:42.525 INFO [stderr]   --> src/problems/tic_tac_toe.rs:98:5
Nov 29 14:03:42.525 INFO [stderr]    |
Nov 29 14:03:42.525 INFO [stderr] 98 |     fn get_product(&self, positions: &[i32]) -> i32 {
Nov 29 14:03:42.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:03:42.525 INFO [stderr] 
Nov 29 14:03:42.562 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Nov 29 14:03:42.565 INFO [stderr] su: No module specific data is present
Nov 29 14:03:43.179 INFO running `"docker" "inspect" "fa8efab4e16181a2f9db042ce45f4087294315f1c6aaab3b098ba014b399cda6"`
Nov 29 14:03:43.397 INFO running `"docker" "rm" "-f" "fa8efab4e16181a2f9db042ce45f4087294315f1c6aaab3b098ba014b399cda6"`
Nov 29 14:03:43.634 INFO [stdout] fa8efab4e16181a2f9db042ce45f4087294315f1c6aaab3b098ba014b399cda6