[INFO] cloning repository https://github.com/colinthatcher/checkers-engine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colinthatcher/checkers-engine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinthatcher%2Fcheckers-engine-rs", kill_on_drop: false }`
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[INFO] [stdout] 76a1523e4daa42c027267615eb20a5b033f6ba55
[INFO] checking colinthatcher/checkers-engine-rs against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinthatcher%2Fcheckers-engine-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/colinthatcher/checkers-engine-rs
[INFO] finished tweaking git repo https://github.com/colinthatcher/checkers-engine-rs
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[INFO] validating manifest of git repo https://github.com/colinthatcher/checkers-engine-rs on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/colinthatcher/checkers-engine-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking checkers-engine-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, and `Mutex`
[INFO] [stdout]  --> src/game.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]   |                 ^^^  ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::EMPTY_POS`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::game::EMPTY_POS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `MutexGuard`, and `Mutex`
[INFO] [stdout]  --> src/game.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]   |                 ^^^  ^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::EMPTY_POS`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::game::EMPTY_POS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut checkers: Checkers = Checkers::init();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkers`
[INFO] [stdout]   --> src/game.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut checkers: Checkers = Checkers::init();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_jumpable_pieces2`
[INFO] [stdout]    --> src/game.rs:214:22
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let (all_jumpable_pieces2, all_available_jumps2) =
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_jumpable_pieces2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let mut checkers = &mut checkers_arc.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `init_with_players` and `set_completed` are never used
[INFO] [stdout]    --> src/game.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Checkers {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn init_with_players(&mut self, player1: String, player2: String) -> Option<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn set_completed(&mut self, completed: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_piece` is never used
[INFO] [stdout]    --> src/game/checkers_board.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl CheckersBoard {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 313 |     pub fn move_piece(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `init` is never used
[INFO] [stdout]   --> src/game/checkers_board/checkers_piece.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CheckerPiece {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 12 |     fn init() -> CheckerPiece {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 | /         websocket.write_message(Message::Text(String::from(
[INFO] [stdout] 177 | |             "SERVER ERROR: Please notify dumb admin that checker board failed to setup!",
[INFO] [stdout] 178 | |         )));
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let _ = websocket.write_message(Message::Text(String::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut checkers: Checkers = Checkers::init();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checkers`
[INFO] [stdout]   --> src/game.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut checkers: Checkers = Checkers::init();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checkers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_jumpable_pieces2`
[INFO] [stdout]    --> src/game.rs:214:22
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 let (all_jumpable_pieces2, all_available_jumps2) =
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_jumpable_pieces2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 let mut checkers = &mut checkers_arc.lock().unwrap();
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let mut checkers = game::Checkers::init();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `option`
[INFO] [stdout]    --> src/main.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let option = checkers.init_with_players("test1".to_string(), "test2".to_string());
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_completed` is never used
[INFO] [stdout]    --> src/game.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl Checkers {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn set_completed(&mut self, completed: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_piece` is never used
[INFO] [stdout]    --> src/game/checkers_board.rs:313:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl CheckersBoard {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 313 |     pub fn move_piece(
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `init` is never used
[INFO] [stdout]   --> src/game/checkers_board/checkers_piece.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CheckerPiece {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 12 |     fn init() -> CheckerPiece {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 | /         websocket.write_message(Message::Text(String::from(
[INFO] [stdout] 177 | |             "SERVER ERROR: Please notify dumb admin that checker board failed to setup!",
[INFO] [stdout] 178 | |         )));
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let _ = websocket.write_message(Message::Text(String::from(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "ef13aa1f7d99959dd91cf89a8dbf1153d3d2e0a11f5f36922187253de0e7036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef13aa1f7d99959dd91cf89a8dbf1153d3d2e0a11f5f36922187253de0e7036b", kill_on_drop: false }`
[INFO] [stdout] ef13aa1f7d99959dd91cf89a8dbf1153d3d2e0a11f5f36922187253de0e7036b
