[INFO] cloning repository https://github.com/benj2468/cards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benj2468/cards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenj2468%2Fcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenj2468%2Fcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46cc1eff859e6a969cad231368b2d41683c7240c
[INFO] checking benj2468/cards against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenj2468%2Fcards" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benj2468/cards on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benj2468/cards
[INFO] finished tweaking git repo https://github.com/benj2468/cards
[INFO] tweaked toml for git repo https://github.com/benj2468/cards written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/benj2468/cards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bcc3157e1308df1f249175d2d70368eccdeaaf3f73ea4f4bec478c6de5980f3
[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" "8bcc3157e1308df1f249175d2d70368eccdeaaf3f73ea4f4bec478c6de5980f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bcc3157e1308df1f249175d2d70368eccdeaaf3f73ea4f4bec478c6de5980f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcc3157e1308df1f249175d2d70368eccdeaaf3f73ea4f4bec478c6de5980f3", kill_on_drop: false }`
[INFO] [stdout] 8bcc3157e1308df1f249175d2d70368eccdeaaf3f73ea4f4bec478c6de5980f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 568ed2ae345b7b79199a9d72a8bee9d66a0a4dc4c687610cd59ae2be72a20152
[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" "568ed2ae345b7b79199a9d72a8bee9d66a0a4dc4c687610cd59ae2be72a20152", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking getrandom v0.2.0
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[INFO] [stderr]     Checking cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opposite_suit`
[INFO] [stdout]    --> src/games/klondike.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let opposite_suit = if move_card.color() { Suit::Club } else { Suit::Diamond };
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opposite_suit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/games/klondike.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             Err(e) => return Err(String::from("Unable to make that move"))
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opposite_suit`
[INFO] [stdout]    --> src/games/klondike.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let opposite_suit = if move_card.color() { Suit::Club } else { Suit::Diamond };
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opposite_suit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/games/klondike.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |             Err(e) => return Err(String::from("Unable to make that move"))
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_visible`
[INFO] [stdout]   --> src/games/../utils/deck.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_visible(suit: Suit, rank: u8) -> Result<Card, String> {
[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: `see`
[INFO] [stdout]   --> src/games/../utils/deck.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn see(mut self) -> Card
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hide`
[INFO] [stdout]   --> src/games/../utils/deck.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn hide(mut self) -> Card
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `color`
[INFO] [stdout]   --> src/games/../utils/deck.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn color(&self) -> bool
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck`
[INFO] [stdout]    --> src/games/../utils/deck.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn new_deck(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deal`
[INFO] [stdout]    --> src/games/../utils/deck.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn deal(&mut self, count: usize) -> Vec<Card> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top_card`
[INFO] [stdout]    --> src/games/../utils/deck.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn top_card(&self) -> Option<&Card> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_move_aces`
[INFO] [stdout]   --> src/games/aces_up.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn try_move_aces(&mut self)
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_visible`
[INFO] [stdout]   --> src/games/../utils/deck.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_visible(suit: Suit, rank: u8) -> Result<Card, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ace`
[INFO] [stdout]   --> src/games/../utils/deck.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn is_ace(&self) -> bool
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck_reverse`
[INFO] [stdout]    --> src/games/../utils/deck.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_deck_reverse(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_CARD_RANK`
[INFO] [stdout]  --> src/utils/deck.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const MAX_CARD_RANK: u8 = 14;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Heart`
[INFO] [stdout]  --> src/utils/deck.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Heart,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Spade`
[INFO] [stdout]   --> src/utils/deck.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Spade,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Club`
[INFO] [stdout]   --> src/utils/deck.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Club,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Diamond`
[INFO] [stdout]   --> src/utils/deck.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Diamond,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Joker`
[INFO] [stdout]   --> src/utils/deck.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Joker
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/deck.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new(suit: Suit, rank: u8) -> Result<Card, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_visible`
[INFO] [stdout]   --> src/utils/deck.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_visible(suit: Suit, rank: u8) -> Result<Card, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ace`
[INFO] [stdout]   --> src/utils/deck.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn is_ace(&self) -> bool
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_visible`
[INFO] [stdout]   --> src/utils/deck.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_visible(&mut self, new_val: bool)
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `see`
[INFO] [stdout]   --> src/utils/deck.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn see(mut self) -> Card
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hide`
[INFO] [stdout]   --> src/utils/deck.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn hide(mut self) -> Card
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `color`
[INFO] [stdout]   --> src/utils/deck.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn color(&self) -> bool
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Stack`
[INFO] [stdout]    --> src/utils/deck.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct Stack {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck`
[INFO] [stdout]    --> src/utils/deck.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn new_deck(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck_reverse`
[INFO] [stdout]    --> src/utils/deck.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_deck_reverse(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle`
[INFO] [stdout]    --> src/utils/deck.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn shuffle(&mut self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]    --> src/utils/deck.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn draw(&mut self) -> Card {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/utils/deck.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn size(&self) -> usize {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deal`
[INFO] [stdout]    --> src/utils/deck.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn deal(&mut self, count: usize) -> Vec<Card> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top_card`
[INFO] [stdout]    --> src/utils/deck.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn top_card(&self) -> Option<&Card> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     select_game();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `see`
[INFO] [stdout]   --> src/games/../utils/deck.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn see(mut self) -> Card
[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: `hide`
[INFO] [stdout]   --> src/games/../utils/deck.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn hide(mut self) -> Card
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `color`
[INFO] [stdout]   --> src/games/../utils/deck.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn color(&self) -> bool
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top_card`
[INFO] [stdout]    --> src/games/../utils/deck.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn top_card(&self) -> Option<&Card> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_hidden_card`
[INFO] [stdout]    --> src/games/../utils/deck.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn new_hidden_card() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_move_aces`
[INFO] [stdout]   --> src/games/aces_up.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn try_move_aces(&mut self)
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ace`
[INFO] [stdout]   --> src/games/../utils/deck.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn is_ace(&self) -> bool
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck_reverse`
[INFO] [stdout]    --> src/games/../utils/deck.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_deck_reverse(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_ace`
[INFO] [stdout]   --> src/utils/deck.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn is_ace(&self) -> bool
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_visible`
[INFO] [stdout]   --> src/utils/deck.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn set_visible(&mut self, new_val: bool)
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `see`
[INFO] [stdout]   --> src/utils/deck.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn see(mut self) -> Card
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hide`
[INFO] [stdout]   --> src/utils/deck.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn hide(mut self) -> Card
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `color`
[INFO] [stdout]   --> src/utils/deck.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn color(&self) -> bool
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_deck_reverse`
[INFO] [stdout]    --> src/utils/deck.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn new_deck_reverse(with_joker: bool) -> Stack {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `top_card`
[INFO] [stdout]    --> src/utils/deck.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn top_card(&self) -> Option<&Card> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_hidden_card`
[INFO] [stdout]    --> src/utils/deck.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn new_hidden_card() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     select_game();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "568ed2ae345b7b79199a9d72a8bee9d66a0a4dc4c687610cd59ae2be72a20152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568ed2ae345b7b79199a9d72a8bee9d66a0a4dc4c687610cd59ae2be72a20152", kill_on_drop: false }`
[INFO] [stdout] 568ed2ae345b7b79199a9d72a8bee9d66a0a4dc4c687610cd59ae2be72a20152