Dec 18 01:23:59.415 INFO checking dezgeg/shenzen-solitaire against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:23:59.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dezgeg/shenzen-solitaire:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:23:59.692 INFO [stdout] cdcfb7bdb530bbf239a991c6cea5037162af99a9d25fea274db47583b720f2c4
Dec 18 01:23:59.694 INFO running `"docker" "start" "-a" "cdcfb7bdb530bbf239a991c6cea5037162af99a9d25fea274db47583b720f2c4"`
Dec 18 01:24:00.392 INFO [stderr]     Checking shenzen-solitaire v0.1.0 (/opt/crater/workdir)
Dec 18 01:24:00.608 INFO [stderr] warning: unused import: `ANSIString`
Dec 18 01:24:00.608 INFO [stderr]  --> src/main.rs:5:17
Dec 18 01:24:00.608 INFO [stderr]   |
Dec 18 01:24:00.608 INFO [stderr] 5 | use ansi_term::{ANSIString, Colour, Style};
Dec 18 01:24:00.608 INFO [stderr]   |                 ^^^^^^^^^^
Dec 18 01:24:00.608 INFO [stderr]   |
Dec 18 01:24:00.608 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:24:00.608 INFO [stderr] 
Dec 18 01:24:00.621 INFO [stderr] warning: unused import: `ANSIString`
Dec 18 01:24:00.621 INFO [stderr]  --> src/main.rs:5:17
Dec 18 01:24:00.621 INFO [stderr]   |
Dec 18 01:24:00.621 INFO [stderr] 5 | use ansi_term::{ANSIString, Colour, Style};
Dec 18 01:24:00.621 INFO [stderr]   |                 ^^^^^^^^^^
Dec 18 01:24:00.621 INFO [stderr]   |
Dec 18 01:24:00.621 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:24:00.621 INFO [stderr] 
Dec 18 01:24:00.808 INFO [stderr] warning: unreachable pattern
Dec 18 01:24:00.808 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.808 INFO [stderr]    |
Dec 18 01:24:00.808 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.808 INFO [stderr]    |             --- matches any value
Dec 18 01:24:00.808 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.808 INFO [stderr]    |             ^^^^^ unreachable pattern
Dec 18 01:24:00.808 INFO [stderr]    |
Dec 18 01:24:00.808 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 18 01:24:00.808 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unreachable pattern
Dec 18 01:24:00.809 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.809 INFO [stderr]    |             --- matches any value
Dec 18 01:24:00.809 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.809 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.809 INFO [stderr]    |             ^^^^^ unreachable pattern
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.809 INFO [stderr]   --> src/game_logic.rs:47:13
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 47 |         for i in 0..4 {
Dec 18 01:24:00.809 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.809 INFO [stderr]   --> src/main.rs:77:9
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 77 |     for i in 0..6 {
Dec 18 01:24:00.809 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.809 INFO [stderr]   --> src/main.rs:87:9
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 87 |     for i in 0..6 {
Dec 18 01:24:00.809 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `Red`
Dec 18 01:24:00.809 INFO [stderr]   --> src/game_logic.rs:17:13
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.809 INFO [stderr]    |             ^^^ help: consider using `_Red` instead
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `Green`
Dec 18 01:24:00.809 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.809 INFO [stderr]    |             ^^^^^ help: consider using `_Green` instead
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.809 INFO [stderr] warning: unused variable: `Black`
Dec 18 01:24:00.809 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.809 INFO [stderr]    |
Dec 18 01:24:00.809 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.809 INFO [stderr]    |             ^^^^^ help: consider using `_Black` instead
Dec 18 01:24:00.809 INFO [stderr] 
Dec 18 01:24:00.842 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:24:00.843 INFO [stderr]    --> src/game_logic.rs:139:9
Dec 18 01:24:00.843 INFO [stderr]     |
Dec 18 01:24:00.843 INFO [stderr] 139 |     let mut deck = make_shuffled_deck();
Dec 18 01:24:00.844 INFO [stderr]     |         ----^^^^
Dec 18 01:24:00.844 INFO [stderr]     |         |
Dec 18 01:24:00.844 INFO [stderr]     |         help: remove this `mut`
Dec 18 01:24:00.844 INFO [stderr]     |
Dec 18 01:24:00.844 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:24:00.848 INFO [stderr] 
Dec 18 01:24:00.856 INFO [stderr] warning: method is never used: `to_index`
Dec 18 01:24:00.856 INFO [stderr]   --> src/game_logic.rs:15:5
Dec 18 01:24:00.857 INFO [stderr]    |
Dec 18 01:24:00.857 INFO [stderr] 15 |     pub fn to_index(&self) -> usize {
Dec 18 01:24:00.857 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.857 INFO [stderr]    |
Dec 18 01:24:00.857 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:24:00.857 INFO [stderr] 
Dec 18 01:24:00.857 INFO [stderr] warning: variant is never constructed: `InUse`
Dec 18 01:24:00.857 INFO [stderr]   --> src/game_logic.rs:71:5
Dec 18 01:24:00.857 INFO [stderr]    |
Dec 18 01:24:00.857 INFO [stderr] 71 |     InUse(Card),
Dec 18 01:24:00.857 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 01:24:00.857 INFO [stderr] 
Dec 18 01:24:00.858 INFO [stderr] warning: variant is never constructed: `Flipped`
Dec 18 01:24:00.858 INFO [stderr]   --> src/game_logic.rs:73:5
Dec 18 01:24:00.858 INFO [stderr]    |
Dec 18 01:24:00.858 INFO [stderr] 73 |     Flipped,
Dec 18 01:24:00.858 INFO [stderr]    |     ^^^^^^^
Dec 18 01:24:00.858 INFO [stderr] 
Dec 18 01:24:00.858 INFO [stderr] warning: method is never used: `with_freecell_cards`
Dec 18 01:24:00.858 INFO [stderr]    --> src/game_logic.rs:117:5
Dec 18 01:24:00.858 INFO [stderr]     |
Dec 18 01:24:00.858 INFO [stderr] 117 |     fn with_freecell_cards(&self, cards: Vec<Card>, rest: FreeCell) -> Playfield {
Dec 18 01:24:00.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.858 INFO [stderr] 
Dec 18 01:24:00.858 INFO [stderr] warning: method is never used: `with_tableau_column`
Dec 18 01:24:00.858 INFO [stderr]    --> src/game_logic.rs:129:5
Dec 18 01:24:00.858 INFO [stderr]     |
Dec 18 01:24:00.858 INFO [stderr] 129 |     fn with_tableau_column(&self, column: usize, cards: Vec<Card>) -> Playfield {
Dec 18 01:24:00.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.858 INFO [stderr] 
Dec 18 01:24:00.858 INFO [stderr] warning: variant is never constructed: `FreeCell`
Dec 18 01:24:00.858 INFO [stderr]    --> src/game_logic.rs:157:5
Dec 18 01:24:00.858 INFO [stderr]     |
Dec 18 01:24:00.858 INFO [stderr] 157 |     FreeCell(usize),
Dec 18 01:24:00.858 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 18 01:24:00.858 INFO [stderr] 
Dec 18 01:24:00.858 INFO [stderr] warning: variant is never constructed: `Flower`
Dec 18 01:24:00.859 INFO [stderr]    --> src/game_logic.rs:158:5
Dec 18 01:24:00.859 INFO [stderr]     |
Dec 18 01:24:00.859 INFO [stderr] 158 |     Flower,
Dec 18 01:24:00.859 INFO [stderr]     |     ^^^^^^
Dec 18 01:24:00.859 INFO [stderr] 
Dec 18 01:24:00.859 INFO [stderr] warning: variant is never constructed: `Pile`
Dec 18 01:24:00.859 INFO [stderr]    --> src/game_logic.rs:160:5
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 160 |     Pile(usize),
Dec 18 01:24:00.860 INFO [stderr]     |     ^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: variant is never constructed: `Tableau`
Dec 18 01:24:00.860 INFO [stderr]    --> src/game_logic.rs:162:5
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 162 |     Tableau(usize),
Dec 18 01:24:00.860 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: function is never used: `can_place_on_top`
Dec 18 01:24:00.860 INFO [stderr]    --> src/game_logic.rs:174:1
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 174 | pub fn can_place_on_top(card1: Card, card2: Card) -> bool {
Dec 18 01:24:00.860 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: function is never used: `pick_up_cards`
Dec 18 01:24:00.860 INFO [stderr]    --> src/game_logic.rs:189:1
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 189 | pub fn pick_up_cards(playfield: Playfield, count: usize, from: Position) -> Option<(Playfield, Vec<Card>)> {
Dec 18 01:24:00.860 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: function is never used: `place_cards`
Dec 18 01:24:00.860 INFO [stderr]    --> src/game_logic.rs:234:1
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 234 | pub fn place_cards(playfield: Playfield, new_cards: Vec<Card>, to: Position) -> Option<Playfield> {
Dec 18 01:24:00.860 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: function is never used: `is_legal_move`
Dec 18 01:24:00.860 INFO [stderr]    --> src/game_logic.rs:296:1
Dec 18 01:24:00.860 INFO [stderr]     |
Dec 18 01:24:00.860 INFO [stderr] 296 | pub fn is_legal_move(playfield: &Playfield, m: Move) -> bool {
Dec 18 01:24:00.860 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.860 INFO [stderr] 
Dec 18 01:24:00.860 INFO [stderr] warning: function is never used: `flip_dragon`
Dec 18 01:24:00.861 INFO [stderr]    --> src/game_logic.rs:309:1
Dec 18 01:24:00.861 INFO [stderr]     |
Dec 18 01:24:00.861 INFO [stderr] 309 | pub fn flip_dragon(playfield: Playfield, suit: Suit) -> Option<Playfield> {
Dec 18 01:24:00.861 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.861 INFO [stderr] 
Dec 18 01:24:00.861 INFO [stderr] warning: function is never used: `make_test_playfield`
Dec 18 01:24:00.861 INFO [stderr]    --> src/game_logic.rs:343:1
Dec 18 01:24:00.861 INFO [stderr]     |
Dec 18 01:24:00.861 INFO [stderr] 343 | fn make_test_playfield() -> Playfield {
Dec 18 01:24:00.861 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.861 INFO [stderr] 
Dec 18 01:24:00.861 INFO [stderr] warning: function is never used: `test_render`
Dec 18 01:24:00.861 INFO [stderr]    --> src/main.rs:206:1
Dec 18 01:24:00.861 INFO [stderr]     |
Dec 18 01:24:00.861 INFO [stderr] 206 | fn test_render() {
Dec 18 01:24:00.861 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 18 01:24:00.861 INFO [stderr] 
Dec 18 01:24:00.861 INFO [stderr] warning: variable `Red` should have a snake case name such as `red`
Dec 18 01:24:00.861 INFO [stderr]   --> src/game_logic.rs:17:13
Dec 18 01:24:00.861 INFO [stderr]    |
Dec 18 01:24:00.861 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.861 INFO [stderr]    |             ^^^
Dec 18 01:24:00.861 INFO [stderr]    |
Dec 18 01:24:00.862 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 01:24:00.862 INFO [stderr] 
Dec 18 01:24:00.862 INFO [stderr] warning: variable `Green` should have a snake case name such as `green`
Dec 18 01:24:00.862 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.862 INFO [stderr]    |
Dec 18 01:24:00.862 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.862 INFO [stderr]    |             ^^^^^
Dec 18 01:24:00.862 INFO [stderr] 
Dec 18 01:24:00.862 INFO [stderr] warning: variable `Black` should have a snake case name such as `black`
Dec 18 01:24:00.862 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.862 INFO [stderr]    |
Dec 18 01:24:00.862 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.862 INFO [stderr]    |             ^^^^^
Dec 18 01:24:00.862 INFO [stderr] 
Dec 18 01:24:00.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.868 INFO [stderr]    --> src/main.rs:229:5
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr] 229 |     io::stdout().flush();
Dec 18 01:24:00.868 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:24:00.868 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.868 INFO [stderr] 
Dec 18 01:24:00.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.868 INFO [stderr]    --> src/main.rs:241:9
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr] 241 |         io::stdout().flush();
Dec 18 01:24:00.868 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.868 INFO [stderr] 
Dec 18 01:24:00.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.868 INFO [stderr]    --> src/main.rs:244:9
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr] 244 |         io::stdin().read_line(&mut buf);
Dec 18 01:24:00.868 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.868 INFO [stderr]     |
Dec 18 01:24:00.868 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.868 INFO [stderr] 
Dec 18 01:24:00.886 INFO [stderr] warning: unreachable pattern
Dec 18 01:24:00.886 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.886 INFO [stderr]    |
Dec 18 01:24:00.886 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.886 INFO [stderr]    |             --- matches any value
Dec 18 01:24:00.886 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.886 INFO [stderr]    |             ^^^^^ unreachable pattern
Dec 18 01:24:00.886 INFO [stderr]    |
Dec 18 01:24:00.886 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 18 01:24:00.886 INFO [stderr] 
Dec 18 01:24:00.886 INFO [stderr] warning: unreachable pattern
Dec 18 01:24:00.886 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.886 INFO [stderr]    |
Dec 18 01:24:00.886 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.886 INFO [stderr]    |             --- matches any value
Dec 18 01:24:00.886 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.886 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.886 INFO [stderr]    |             ^^^^^ unreachable pattern
Dec 18 01:24:00.886 INFO [stderr] 
Dec 18 01:24:00.886 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.886 INFO [stderr]   --> src/game_logic.rs:47:13
Dec 18 01:24:00.886 INFO [stderr]    |
Dec 18 01:24:00.886 INFO [stderr] 47 |         for i in 0..4 {
Dec 18 01:24:00.886 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 01:24:00.887 INFO [stderr]    |
Dec 18 01:24:00.887 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 01:24:00.887 INFO [stderr] 
Dec 18 01:24:00.887 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.888 INFO [stderr]   --> src/main.rs:77:9
Dec 18 01:24:00.888 INFO [stderr]    |
Dec 18 01:24:00.888 INFO [stderr] 77 |     for i in 0..6 {
Dec 18 01:24:00.888 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 01:24:00.888 INFO [stderr] 
Dec 18 01:24:00.889 INFO [stderr] warning: unused variable: `i`
Dec 18 01:24:00.889 INFO [stderr]   --> src/main.rs:87:9
Dec 18 01:24:00.889 INFO [stderr]    |
Dec 18 01:24:00.889 INFO [stderr] 87 |     for i in 0..6 {
Dec 18 01:24:00.889 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 01:24:00.889 INFO [stderr] 
Dec 18 01:24:00.889 INFO [stderr] warning: unused variable: `Red`
Dec 18 01:24:00.889 INFO [stderr]   --> src/game_logic.rs:17:13
Dec 18 01:24:00.889 INFO [stderr]    |
Dec 18 01:24:00.889 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.889 INFO [stderr]    |             ^^^ help: consider using `_Red` instead
Dec 18 01:24:00.889 INFO [stderr] 
Dec 18 01:24:00.889 INFO [stderr] warning: unused variable: `Green`
Dec 18 01:24:00.889 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.889 INFO [stderr]    |
Dec 18 01:24:00.889 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.889 INFO [stderr]    |             ^^^^^ help: consider using `_Green` instead
Dec 18 01:24:00.889 INFO [stderr] 
Dec 18 01:24:00.889 INFO [stderr] warning: unused variable: `Black`
Dec 18 01:24:00.889 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.889 INFO [stderr]    |
Dec 18 01:24:00.889 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.890 INFO [stderr]    |             ^^^^^ help: consider using `_Black` instead
Dec 18 01:24:00.890 INFO [stderr] 
Dec 18 01:24:00.932 INFO [stderr] warning: variable does not need to be mutable
Dec 18 01:24:00.932 INFO [stderr]    --> src/game_logic.rs:139:9
Dec 18 01:24:00.932 INFO [stderr]     |
Dec 18 01:24:00.932 INFO [stderr] 139 |     let mut deck = make_shuffled_deck();
Dec 18 01:24:00.932 INFO [stderr]     |         ----^^^^
Dec 18 01:24:00.932 INFO [stderr]     |         |
Dec 18 01:24:00.932 INFO [stderr]     |         help: remove this `mut`
Dec 18 01:24:00.932 INFO [stderr]     |
Dec 18 01:24:00.932 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 01:24:00.932 INFO [stderr] 
Dec 18 01:24:00.943 INFO [stderr] warning: method is never used: `to_index`
Dec 18 01:24:00.943 INFO [stderr]   --> src/game_logic.rs:15:5
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.943 INFO [stderr] 15 |     pub fn to_index(&self) -> usize {
Dec 18 01:24:00.943 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.943 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:24:00.943 INFO [stderr] 
Dec 18 01:24:00.943 INFO [stderr] warning: function is never used: `test_render`
Dec 18 01:24:00.943 INFO [stderr]    --> src/main.rs:206:1
Dec 18 01:24:00.943 INFO [stderr]     |
Dec 18 01:24:00.943 INFO [stderr] 206 | fn test_render() {
Dec 18 01:24:00.943 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 18 01:24:00.943 INFO [stderr] 
Dec 18 01:24:00.943 INFO [stderr] warning: variable `Red` should have a snake case name such as `red`
Dec 18 01:24:00.943 INFO [stderr]   --> src/game_logic.rs:17:13
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.943 INFO [stderr] 17 |             Red => 0,
Dec 18 01:24:00.943 INFO [stderr]    |             ^^^
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.943 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 01:24:00.943 INFO [stderr] 
Dec 18 01:24:00.943 INFO [stderr] warning: variable `Green` should have a snake case name such as `green`
Dec 18 01:24:00.943 INFO [stderr]   --> src/game_logic.rs:18:13
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.943 INFO [stderr] 18 |             Green => 1,
Dec 18 01:24:00.943 INFO [stderr]    |             ^^^^^
Dec 18 01:24:00.943 INFO [stderr] 
Dec 18 01:24:00.943 INFO [stderr] warning: variable `Black` should have a snake case name such as `black`
Dec 18 01:24:00.943 INFO [stderr]   --> src/game_logic.rs:19:13
Dec 18 01:24:00.943 INFO [stderr]    |
Dec 18 01:24:00.944 INFO [stderr] 19 |             Black => 2,
Dec 18 01:24:00.944 INFO [stderr]    |             ^^^^^
Dec 18 01:24:00.944 INFO [stderr] 
Dec 18 01:24:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.947 INFO [stderr]    --> src/main.rs:229:5
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr] 229 |     io::stdout().flush();
Dec 18 01:24:00.947 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:24:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.947 INFO [stderr] 
Dec 18 01:24:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.947 INFO [stderr]    --> src/main.rs:241:9
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr] 241 |         io::stdout().flush();
Dec 18 01:24:00.947 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.947 INFO [stderr] 
Dec 18 01:24:00.947 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:24:00.947 INFO [stderr]    --> src/main.rs:244:9
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr] 244 |         io::stdin().read_line(&mut buf);
Dec 18 01:24:00.947 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:24:00.947 INFO [stderr]     |
Dec 18 01:24:00.947 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:24:00.947 INFO [stderr] 
Dec 18 01:24:00.963 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 01:24:01.234 INFO running `"docker" "inspect" "cdcfb7bdb530bbf239a991c6cea5037162af99a9d25fea274db47583b720f2c4"`
Dec 18 01:24:01.315 INFO running `"docker" "rm" "-f" "cdcfb7bdb530bbf239a991c6cea5037162af99a9d25fea274db47583b720f2c4"`
Dec 18 01:24:01.435 INFO [stdout] cdcfb7bdb530bbf239a991c6cea5037162af99a9d25fea274db47583b720f2c4