[INFO] cloning repository https://github.com/edliu9350/poker_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edliu9350/poker_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedliu9350%2Fpoker_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedliu9350%2Fpoker_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d31c8df72e1fedd3ed035c7e1b041a21bc8c38db [INFO] checking edliu9350/poker_rust against master#982c6f8721416431ec62bb0b9105c0578a9fc603 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedliu9350%2Fpoker_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/edliu9350/poker_rust on toolchain 982c6f8721416431ec62bb0b9105c0578a9fc603 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/edliu9350/poker_rust [INFO] finished tweaking git repo https://github.com/edliu9350/poker_rust [INFO] tweaked toml for git repo https://github.com/edliu9350/poker_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/edliu9350/poker_rust 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" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking edliu9350/poker_rust against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedliu9350%2Fpoker_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/edliu9350/poker_rust on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/edliu9350/poker_rust [INFO] finished tweaking git repo https://github.com/edliu9350/poker_rust [INFO] tweaked toml for git repo https://github.com/edliu9350/poker_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/edliu9350/poker_rust 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" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 278a0fce9fee3a1e3532e8e886829946c75dca68b740766596accf21595ab893 [INFO] running `Command { std: "docker" "start" "-a" "278a0fce9fee3a1e3532e8e886829946c75dca68b740766596accf21595ab893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "278a0fce9fee3a1e3532e8e886829946c75dca68b740766596accf21595ab893", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "278a0fce9fee3a1e3532e8e886829946c75dca68b740766596accf21595ab893", kill_on_drop: false }` [INFO] [stdout] 278a0fce9fee3a1e3532e8e886829946c75dca68b740766596accf21595ab893 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2546b8eed772e4e7f1fab0b30bdab04421623e3add434b11f61b0c78ec8e9e83 [INFO] running `Command { std: "docker" "start" "-a" "2546b8eed772e4e7f1fab0b30bdab04421623e3add434b11f61b0c78ec8e9e83", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Checking getrandom v0.2.6 [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 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BTreeSet` [INFO] [stdout] --> src/engine.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BTreeSet` [INFO] [stdout] --> src/engine.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | let mut sort1: Vec = hand1.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sort2: Vec = hand2.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | let mut pair1 = get_paired_vec(&sort1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | let mut pair2 = get_paired_vec(&sort2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | let mut sort1: Vec = hand1.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sort2: Vec = hand2.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | let mut pair1 = get_paired_vec(&sort1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | let mut pair2 = get_paired_vec(&sort2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/dealer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Dealer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 11 | method: Method, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/dealer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Dealer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 11 | method: Method, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BTreeSet` [INFO] [stdout] --> src/engine.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BTreeSet` [INFO] [stdout] --> src/engine.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | let mut sort1: Vec = hand1.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sort2: Vec = hand2.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | let mut pair1 = get_paired_vec(&sort1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | let mut pair2 = get_paired_vec(&sort2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 183 | let mut sort1: Vec = hand1.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | let mut sort2: Vec = hand2.iter().map(|card| card.name).collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:186:21 [INFO] [stdout] | [INFO] [stdout] 186 | let mut pair1 = get_paired_vec(&sort1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/engine.rs:187:21 [INFO] [stdout] | [INFO] [stdout] 187 | let mut pair2 = get_paired_vec(&sort2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AceLow` is never constructed [INFO] [stdout] --> src/card.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Name { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 3 | AceLow = 1, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Name` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/card.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl Card { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 34 | /// constructor [INFO] [stdout] 35 | pub fn new(name: Name, suit: Suit) -> Card { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/dealer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Dealer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 11 | method: Method, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RoyalFlush` is never constructed [INFO] [stdout] --> src/engine.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum Rank { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | RoyalFlush = 9, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rank` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `age` is never read [INFO] [stdout] --> src/player.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `AceLow` is never constructed [INFO] [stdout] --> src/card.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Name { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 3 | AceLow = 1, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Name` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/card.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl Card { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 34 | /// constructor [INFO] [stdout] 35 | pub fn new(name: Name, suit: Suit) -> Card { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `method` is never read [INFO] [stdout] --> src/dealer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Dealer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 11 | method: Method, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `RoyalFlush` is never constructed [INFO] [stdout] --> src/engine.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum Rank { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | RoyalFlush = 9, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rank` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `age` is never read [INFO] [stdout] --> src/player.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Player { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "2546b8eed772e4e7f1fab0b30bdab04421623e3add434b11f61b0c78ec8e9e83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2546b8eed772e4e7f1fab0b30bdab04421623e3add434b11f61b0c78ec8e9e83", kill_on_drop: false }` [INFO] [stdout] 2546b8eed772e4e7f1fab0b30bdab04421623e3add434b11f61b0c78ec8e9e83