[INFO] cloning repository https://github.com/Gollum999/rust-checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gollum999/rust-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGollum999%2Frust-checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGollum999%2Frust-checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d31aa12fa5d5c319e24f7c2e6a89853f031ecc4
[INFO] testing Gollum999/rust-checkers against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGollum999%2Frust-checkers" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gollum999/rust-checkers on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gollum999/rust-checkers
[INFO] finished tweaking git repo https://github.com/Gollum999/rust-checkers
[INFO] tweaked toml for git repo https://github.com/Gollum999/rust-checkers written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Gollum999/rust-checkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ba375a50f459064c0bba2236379b88ca8a3b30b2a8d0017f99244ec160bcc88
[INFO] running `Command { std: "docker" "start" "-a" "8ba375a50f459064c0bba2236379b88ca8a3b30b2a8d0017f99244ec160bcc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba375a50f459064c0bba2236379b88ca8a3b30b2a8d0017f99244ec160bcc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba375a50f459064c0bba2236379b88ca8a3b30b2a8d0017f99244ec160bcc88", kill_on_drop: false }`
[INFO] [stdout] 8ba375a50f459064c0bba2236379b88ca8a3b30b2a8d0017f99244ec160bcc88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f04e9a2fbd281d2971c7df54087c131e5281e55efd6b38fe0c972d86999978a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f04e9a2fbd281d2971c7df54087c131e5281e55efd6b38fe0c972d86999978a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling pancurses v0.16.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/args.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Arg, App};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `A_BLINK`, `A_NORMAL`
[INFO] [stdout]   --> src/frontend/board.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     A_BLINK, A_NORMAL,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use backend::{Board, Player};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Board`, `Player`
[INFO] [stdout]  --> src/frontend/menu.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::{Board, Player};
[INFO] [stdout]   |               ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ACS_HLINE`, `ACS_VLINE`, `curs_set`, `endwin`, `init_pair`, `initscr`, `noecho`, `start_color`
[INFO] [stdout]   --> src/frontend/menu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ACS_HLINE, ACS_VLINE,
[INFO] [stdout]    |     ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 11 |     curs_set, endwin, initscr, init_pair, Input, noecho, start_color,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^^^         ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(args: Args, backend_channel: FrontendEndpoint) -> CursesFrontend {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `menu_size`
[INFO] [stdout]    --> src/frontend/menu.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let menu_size = (menu_height, menu_width);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut window = initscr();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_piece_square`
[INFO] [stdout]    --> src/backend/board.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn find_piece_square(&self, piece: &Piece) -> &Square {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_move`
[INFO] [stdout]    --> src/backend/board.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn can_move(&self, from: &Square, to: &Square) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_moves_for_piece`
[INFO] [stdout]    --> src/backend/board.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn get_valid_moves_for_piece(&self, piece: &Piece) -> Vec<Move> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> src/backend/game.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     args: Args,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "7f04e9a2fbd281d2971c7df54087c131e5281e55efd6b38fe0c972d86999978a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f04e9a2fbd281d2971c7df54087c131e5281e55efd6b38fe0c972d86999978a", kill_on_drop: false }`
[INFO] [stdout] 7f04e9a2fbd281d2971c7df54087c131e5281e55efd6b38fe0c972d86999978a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c14abab2eff40f9da5bf0af7aa3f5fda2e21382554b6e66a3c7e909e510ee0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25c14abab2eff40f9da5bf0af7aa3f5fda2e21382554b6e66a3c7e909e510ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/args.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Arg, App};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `A_BLINK`, `A_NORMAL`
[INFO] [stdout]   --> src/frontend/board.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     A_BLINK, A_NORMAL,
[INFO] [stdout]    |     ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Player`
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use backend::{Board, Player};
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Board`, `Player`
[INFO] [stdout]  --> src/frontend/menu.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use backend::{Board, Player};
[INFO] [stdout]   |               ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ACS_HLINE`, `ACS_VLINE`, `curs_set`, `endwin`, `init_pair`, `initscr`, `noecho`, `start_color`
[INFO] [stdout]   --> src/frontend/menu.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ACS_HLINE, ACS_VLINE,
[INFO] [stdout]    |     ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 11 |     curs_set, endwin, initscr, init_pair, Input, noecho, start_color,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^^^         ^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new(args: Args, backend_channel: FrontendEndpoint) -> CursesFrontend {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `menu_size`
[INFO] [stdout]    --> src/frontend/menu.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let menu_size = (menu_height, menu_width);
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/frontend/curses_frontend.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut window = initscr();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_piece_square`
[INFO] [stdout]    --> src/backend/board.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn find_piece_square(&self, piece: &Piece) -> &Square {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_move`
[INFO] [stdout]    --> src/backend/board.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn can_move(&self, from: &Square, to: &Square) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_valid_moves_for_piece`
[INFO] [stdout]    --> src/backend/board.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn get_valid_moves_for_piece(&self, piece: &Piece) -> Vec<Move> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> src/backend/game.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     args: Args,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "25c14abab2eff40f9da5bf0af7aa3f5fda2e21382554b6e66a3c7e909e510ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c14abab2eff40f9da5bf0af7aa3f5fda2e21382554b6e66a3c7e909e510ee0", kill_on_drop: false }`
[INFO] [stdout] 25c14abab2eff40f9da5bf0af7aa3f5fda2e21382554b6e66a3c7e909e510ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6c71843a2917814f69997fe960f9b06b15050b0e5113b0f0b2972e4bd77ef71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6c71843a2917814f69997fe960f9b06b15050b0e5113b0f0b2972e4bd77ef71", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/args.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `A_BLINK`, `A_NORMAL`
[INFO] [stderr]   --> src/frontend/board.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     A_BLINK, A_NORMAL,
[INFO] [stderr]    |     ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Player`
[INFO] [stderr]   --> src/frontend/curses_frontend.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use backend::{Board, Player};
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Board`, `Player`
[INFO] [stderr]  --> src/frontend/menu.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use backend::{Board, Player};
[INFO] [stderr]   |               ^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ACS_HLINE`, `ACS_VLINE`, `curs_set`, `endwin`, `init_pair`, `initscr`, `noecho`, `start_color`
[INFO] [stderr]   --> src/frontend/menu.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     ACS_HLINE, ACS_VLINE,
[INFO] [stderr]    |     ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 11 |     curs_set, endwin, initscr, init_pair, Input, noecho, start_color,
[INFO] [stderr]    |     ^^^^^^^^  ^^^^^^  ^^^^^^^  ^^^^^^^^^         ^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/frontend/curses_frontend.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn new(args: Args, backend_channel: FrontendEndpoint) -> CursesFrontend {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `menu_size`
[INFO] [stderr]    --> src/frontend/menu.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let menu_size = (menu_height, menu_width);
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_menu_size`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/frontend/curses_frontend.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut window = initscr();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_piece_square`
[INFO] [stderr]    --> src/backend/board.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn find_piece_square(&self, piece: &Piece) -> &Square {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `can_move`
[INFO] [stderr]    --> src/backend/board.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn can_move(&self, from: &Square, to: &Square) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_valid_moves_for_piece`
[INFO] [stderr]    --> src/backend/board.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn get_valid_moves_for_piece(&self, piece: &Piece) -> Vec<Move> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]   --> src/backend/game.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     args: Args,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/checkers-3447160b8f659db9
[INFO] [stdout] running 4 tests
[INFO] [stdout] test backend::board::tests::test_can_step ... ok
[INFO] [stdout] test backend::board::tests::test_can_jump ... ok
[INFO] [stdout] test backend::board::tests::test_in_bounds ... ok
[INFO] [stdout] test backend::board::tests::test_square_occupied ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6c71843a2917814f69997fe960f9b06b15050b0e5113b0f0b2972e4bd77ef71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c71843a2917814f69997fe960f9b06b15050b0e5113b0f0b2972e4bd77ef71", kill_on_drop: false }`
[INFO] [stdout] c6c71843a2917814f69997fe960f9b06b15050b0e5113b0f0b2972e4bd77ef71
