[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenj2468%2Fcards" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benj2468/cards on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-93/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "615bc52705b3b52507588ad046e7c29292d5f856804d8184ae6bc96584b02680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615bc52705b3b52507588ad046e7c29292d5f856804d8184ae6bc96584b02680", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c43efb37b49a035eb1bfdc355e2995354443d33ab8b805e898af516f03d7aa
[INFO] running `Command { std: "docker" "start" "-a" "b5c43efb37b49a035eb1bfdc355e2995354443d33ab8b805e898af516f03d7aa", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[INFO] [stderr]     Checking cards v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]        Fixed src/games/klondike.rs (2 fixes)
[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 `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: 33 warnings emitted
[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: unused `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] [stderr]    Migrating tests/deck.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.64s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking cards v0.1.0 (/tmp/fixit)
[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 `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: 33 warnings emitted
[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: unused `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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "b5c43efb37b49a035eb1bfdc355e2995354443d33ab8b805e898af516f03d7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c43efb37b49a035eb1bfdc355e2995354443d33ab8b805e898af516f03d7aa", kill_on_drop: false }`
[INFO] [stdout] b5c43efb37b49a035eb1bfdc355e2995354443d33ab8b805e898af516f03d7aa