[INFO] cloning repository https://github.com/370417/qr-haggis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/370417/qr-haggis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F370417%2Fqr-haggis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F370417%2Fqr-haggis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af7b373f8f25d7bf6286ca41f242f0afb98fba39
[INFO] checking 370417/qr-haggis against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F370417%2Fqr-haggis" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/370417/qr-haggis on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/370417/qr-haggis
[INFO] finished tweaking git repo https://github.com/370417/qr-haggis
[INFO] tweaked toml for git repo https://github.com/370417/qr-haggis written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/370417/qr-haggis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb55cdf241f3701f2f0a520a6b280402b0ebc761c79f03c2c9742c5d45e6c244
[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" "fb55cdf241f3701f2f0a520a6b280402b0ebc761c79f03c2c9742c5d45e6c244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb55cdf241f3701f2f0a520a6b280402b0ebc761c79f03c2c9742c5d45e6c244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb55cdf241f3701f2f0a520a6b280402b0ebc761c79f03c2c9742c5d45e6c244", kill_on_drop: false }`
[INFO] [stdout] fb55cdf241f3701f2f0a520a6b280402b0ebc761c79f03c2c9742c5d45e6c244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c49eefa28e5ede0884d1cc4deae2546abadadeb247d10bc300058572885383d
[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" "7c49eefa28e5ede0884d1cc4deae2546abadadeb247d10bc300058572885383d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking qr-haggis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `qr_code`
[INFO] [stdout]    --> src/game.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn set_state(&mut self, qr_code: &[u8]) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_qr_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_ids`
[INFO] [stdout]    --> src/game.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn validate_combination(&self, card_ids: &Vec<CardId>) -> bool {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_ids`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Me`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Me,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Opponent`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Opponent,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Location`
[INFO] [stdout]  --> src/game.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Location {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CombinationType`
[INFO] [stdout]   --> src/game.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct CombinationType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CardValue`
[INFO] [stdout]   --> src/game.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum CardValue {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_value`
[INFO] [stdout]   --> src/game.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn point_value(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_value`
[INFO] [stdout]   --> src/game.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn to_value(self) -> CardValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_state`
[INFO] [stdout]   --> src/game.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn create_state(qr_code: Option<&[u8]>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_state`
[INFO] [stdout]    --> src/game.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn set_state(&mut self, qr_code: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_state`
[INFO] [stdout]    --> src/game.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn init_state(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hand`
[INFO] [stdout]    --> src/game.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn get_hand(&self) -> Vec<CardId> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_table`
[INFO] [stdout]    --> src/game.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn get_table(&self) -> Vec<Vec<CardId>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_game_over`
[INFO] [stdout]    --> src/game.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn is_game_over(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_opponent_num_of_card`
[INFO] [stdout]    --> src/game.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn get_opponent_num_of_card(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_combination`
[INFO] [stdout]    --> src/game.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn validate_combination(&self, card_ids: &Vec<CardId>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_combination`
[INFO] [stdout]    --> src/game.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn is_valid_combination(&self, card_values: &Vec<CardValue>) -> Option<CombinationType> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bomb`
[INFO] [stdout]    --> src/game.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn is_bomb(&self, card_ids: &Vec<CardId>) -> usize {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pass`
[INFO] [stdout]    --> src/game.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn pass(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `play_cards`
[INFO] [stdout]    --> src/game.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn play_cards(&mut self, card_ids: Vec<CardId>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SuitMap`
[INFO] [stdout]    --> src/game.rs:405:12
[INFO] [stdout]     |
[INFO] [stdout] 405 | pub struct SuitMap {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/game.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/game.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 |     fn insert(&mut self, suit: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/game.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qr_code`
[INFO] [stdout]    --> src/game.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn set_state(&mut self, qr_code: &[u8]) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_qr_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_ids`
[INFO] [stdout]    --> src/game.rs:242:36
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn validate_combination(&self, card_ids: &Vec<CardId>) -> bool {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_ids`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Me`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Me,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Opponent`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Opponent,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Location`
[INFO] [stdout]  --> src/game.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Location {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CombinationType`
[INFO] [stdout]   --> src/game.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct CombinationType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CardValue`
[INFO] [stdout]   --> src/game.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum CardValue {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point_value`
[INFO] [stdout]   --> src/game.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn point_value(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_value`
[INFO] [stdout]   --> src/game.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn to_value(self) -> CardValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_state`
[INFO] [stdout]   --> src/game.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn create_state(qr_code: Option<&[u8]>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_state`
[INFO] [stdout]    --> src/game.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn set_state(&mut self, qr_code: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init_state`
[INFO] [stdout]    --> src/game.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn init_state(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hand`
[INFO] [stdout]    --> src/game.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn get_hand(&self) -> Vec<CardId> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_table`
[INFO] [stdout]    --> src/game.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn get_table(&self) -> Vec<Vec<CardId>> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_game_over`
[INFO] [stdout]    --> src/game.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn is_game_over(&self) -> Option<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_opponent_num_of_card`
[INFO] [stdout]    --> src/game.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn get_opponent_num_of_card(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate_combination`
[INFO] [stdout]    --> src/game.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn validate_combination(&self, card_ids: &Vec<CardId>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_combination`
[INFO] [stdout]    --> src/game.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn is_valid_combination(&self, card_values: &Vec<CardValue>) -> Option<CombinationType> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bomb`
[INFO] [stdout]    --> src/game.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn is_bomb(&self, card_ids: &Vec<CardId>) -> usize {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pass`
[INFO] [stdout]    --> src/game.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn pass(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `play_cards`
[INFO] [stdout]    --> src/game.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn play_cards(&mut self, card_ids: Vec<CardId>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SuitMap`
[INFO] [stdout]    --> src/game.rs:405:12
[INFO] [stdout]     |
[INFO] [stdout] 405 | pub struct SuitMap {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/game.rs:411:8
[INFO] [stdout]     |
[INFO] [stdout] 411 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/game.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 |     fn insert(&mut self, suit: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/game.rs:423:8
[INFO] [stdout]     |
[INFO] [stdout] 423 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "7c49eefa28e5ede0884d1cc4deae2546abadadeb247d10bc300058572885383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c49eefa28e5ede0884d1cc4deae2546abadadeb247d10bc300058572885383d", kill_on_drop: false }`
[INFO] [stdout] 7c49eefa28e5ede0884d1cc4deae2546abadadeb247d10bc300058572885383d