[INFO] cloning repository https://github.com/whitehwarang/poker_env
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whitehwarang/poker_env" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitehwarang%2Fpoker_env", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitehwarang%2Fpoker_env'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca15fed3cf7f64305a6aae681641eaaa47e7d012
[INFO] checking whitehwarang/poker_env against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitehwarang%2Fpoker_env" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whitehwarang/poker_env on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whitehwarang/poker_env
[INFO] finished tweaking git repo https://github.com/whitehwarang/poker_env
[INFO] tweaked toml for git repo https://github.com/whitehwarang/poker_env written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whitehwarang/poker_env already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b915d1df11d69af729d5173ea0b3885f08820f03406c153875083634d99535
[INFO] running `Command { std: "docker" "start" "-a" "a5b915d1df11d69af729d5173ea0b3885f08820f03406c153875083634d99535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b915d1df11d69af729d5173ea0b3885f08820f03406c153875083634d99535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b915d1df11d69af729d5173ea0b3885f08820f03406c153875083634d99535", kill_on_drop: false }`
[INFO] [stdout] a5b915d1df11d69af729d5173ea0b3885f08820f03406c153875083634d99535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b0804d01382a5ee051f5a765bd306b9a629850440bfe4a25e4e42fa16a5148
[INFO] running `Command { std: "docker" "start" "-a" "a9b0804d01382a5ee051f5a765bd306b9a629850440bfe4a25e4e42fa16a5148", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poker_env v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/hand.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hand::Hand`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::hand::Hand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::holdem::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::holdem::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/hand.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hand::Hand`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::hand::Hand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::holdem::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::holdem::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shuffle`, `partial_shuffle`, and `set_front_cards` are never used
[INFO] [stdout]    --> src/deck.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout] 87  | impl Deck {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn shuffle(&mut self) -> () {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn partial_shuffle(&mut self) -> () {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn set_front_cards(&mut self, front_cards: Vec<Card>) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cards_cnt` is never read
[INFO] [stdout]  --> src/hand.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Hand {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     cards_cnt: usize,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Hand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `add_card`, `add_cards`, and `len` are never used
[INFO] [stdout]   --> src/hand.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Hand {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn clone(&self) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn add_card(&mut self, card: Card) -> () {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn add_cards(&mut self, cards: &[Card]) -> () {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/grade.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Grade {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 7  |     StraightFlush([Card; 5]),
[INFO] [stdout] 8  |     FourOfAKind([Card; 5]),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 9  |     FullHouse([Card; 5]),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     Flush([Card; 5]),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Straight([Card; 5]),
[INFO] [stdout] 12 |     ThreeOfAKind([Card; 5]),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     TwoPairs([Card; 5]),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     OnePair([Card; 5]),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     Top([Card; 5]),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Grade` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/grade.rs:79:12
[INFO] [stdout]     |
[INFO] [stdout] 50  | impl Grade {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn new(cards: &[Card]) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn extract_top5(cards: &mut [Card]) -> [Card; 5] {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn get_major_num(cards: &[Card], num_of_cards: usize) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn is_four_of_a_kind(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     fn is_full_house(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn is_flush(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 308 |     fn is_three_of_a_kind(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     fn is_two_pairs(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn is_one_pair(cards: &mut [Card]) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PreFlop`, `Flop`, `Turn`, and `River` are never constructed
[INFO] [stdout]   --> src/holdem.rs:8:2
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Stage {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 8  |     PreFlop,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     Flop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Turn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     River,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Showdown` is never used
[INFO] [stdout]   --> src/holdem.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Showdown {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/holdem.rs:41:9
[INFO] [stdout]     |
[INFO] [stdout] 40  | impl HoldemGame {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 41  |     pub fn new(players_cnt: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn add_community_card(&mut self) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     fn preflop(&mut self) -> () {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74  |     fn preflop_to_flop(&mut self) -> () {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn flop_to_turn(&mut self) -> () {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     fn turn_to_river(&mut self) -> () {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn play_once(&mut self) -> Showdown {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn calc_win_rate(&self) -> f32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn set_front_cards(&mut self, front_cards: Vec<Card>) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone` is never used
[INFO] [stdout]   --> src/hand.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Hand {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn clone(&self) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/holdem.rs:174:2
[INFO] [stdout]     |
[INFO] [stdout] 174 |     game.set_front_cards(frontcards);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let _ = game.set_front_cards(frontcards);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "a9b0804d01382a5ee051f5a765bd306b9a629850440bfe4a25e4e42fa16a5148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b0804d01382a5ee051f5a765bd306b9a629850440bfe4a25e4e42fa16a5148", kill_on_drop: false }`
[INFO] [stdout] a9b0804d01382a5ee051f5a765bd306b9a629850440bfe4a25e4e42fa16a5148