[INFO] cloning repository https://github.com/silvanx/rust_replica
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silvanx/rust_replica" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f306dc2b3be9131a865d065c5cf4e474eae18033
[INFO] testing silvanx/rust_replica against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/silvanx/rust_replica
[INFO] finished tweaking git repo https://github.com/silvanx/rust_replica
[INFO] tweaked toml for git repo https://github.com/silvanx/rust_replica written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/silvanx/rust_replica on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/silvanx/rust_replica 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301bfb4df0437e3acc3692f666f0392033806a859c06ee697f442f91b28d568c
[INFO] running `Command { std: "docker" "start" "-a" "301bfb4df0437e3acc3692f666f0392033806a859c06ee697f442f91b28d568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301bfb4df0437e3acc3692f666f0392033806a859c06ee697f442f91b28d568c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301bfb4df0437e3acc3692f666f0392033806a859c06ee697f442f91b28d568c", kill_on_drop: false }`
[INFO] [stdout] 301bfb4df0437e3acc3692f666f0392033806a859c06ee697f442f91b28d568c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12a90f397b477bdb20194227b8192e0e397e39a4802260fb5e7c57f4c61a91c1
[INFO] running `Command { std: "docker" "start" "-a" "12a90f397b477bdb20194227b8192e0e397e39a4802260fb5e7c57f4c61a91c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_replica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[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/player.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn collect_cards(&mut self, mut cards: Vec<DeckCard>) {
[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/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut game = new_game.unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_base_card` is never used
[INFO] [stdout]    --> src/deck.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 99  | impl DeckCard {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn is_base_card(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `initial_size` and `stop_cards` are never read
[INFO] [stdout]    --> src/deck.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct Deck {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 120 |     cards: Vec<DeckCard>,
[INFO] [stdout] 121 |     initial_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 122 |     stop_cards: u8,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `stop_cards_left`, `draw`, and `replace` are never used
[INFO] [stdout]    --> src/deck.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Deck {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 126 |     pub fn new() -> Deck {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fn stop_cards_left(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |     pub fn draw(&mut self, how_many: u8) -> Vec<DeckCard> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn replace(&mut self, card: DeckCard) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CARD_POINT_VALUE` is never used
[INFO] [stdout]  --> src/player.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CARD_POINT_VALUE: u8 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TOKEN_POINT_VALUE` is never used
[INFO] [stdout]  --> src/player.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const TOKEN_POINT_VALUE: u8 = 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hand`, `collected_cards`, `tokens_collected`, and `color` are never read
[INFO] [stdout]   --> src/player.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Player {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 7  |     hand: Vec<DeckCard>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     collected_cards: Vec<DeckCard>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     tokens_collected: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub color: CardColor,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `count_cards_in_hand`, `count_collected_cards`, `calculate_score`, `collect_cards`, and `draw_cards` are never used
[INFO] [stdout]   --> src/player.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Player {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn count_cards_in_hand(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn count_collected_cards(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn calculate_score(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn collect_cards(&mut self, mut cards: Vec<DeckCard>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn draw_cards(&mut self, mut cards: Vec<DeckCard>) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STOP_CARDS_IN_DECK` is never used
[INFO] [stdout]  --> src/game.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const STOP_CARDS_IN_DECK: u8 = 10;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_CELLS_2_PLAYERS` is never used
[INFO] [stdout]   --> src/game.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MAX_CELLS_2_PLAYERS: u8 = 6;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_CELLS_3_PLAYERS` is never used
[INFO] [stdout]   --> src/game.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const MAX_CELLS_3_PLAYERS: u8 = 7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_CELLS_4_PLAYERS` is never used
[INFO] [stdout]   --> src/game.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const MAX_CELLS_4_PLAYERS: u8 = 8;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `top` and `bottom` are never read
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CardPair {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     pub top: DeckCard,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 18 |     pub bottom: DeckCard,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `players`, `stopped_cells`, `stop_cards_played`, `revealed_cards`, and `dna` are never read
[INFO] [stdout]   --> src/game.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 22 |     pub num_players: u8,
[INFO] [stdout] 23 |     pub players: Vec<Player>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 24 |     stopped_cells: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 25 |     stop_cards_played: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     pub deck: Deck,
[INFO] [stdout] 27 |     pub revealed_cards: Vec<DeckCard>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub dna: Vec<CardPair>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_over` is never used
[INFO] [stdout]   --> src/game.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Game {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn is_over(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "12a90f397b477bdb20194227b8192e0e397e39a4802260fb5e7c57f4c61a91c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a90f397b477bdb20194227b8192e0e397e39a4802260fb5e7c57f4c61a91c1", kill_on_drop: false }`
[INFO] [stdout] 12a90f397b477bdb20194227b8192e0e397e39a4802260fb5e7c57f4c61a91c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef7548a6190618d469440b73bda0e42991991a3f609c35037c585fb86b3e5d0
[INFO] running `Command { std: "docker" "start" "-a" "1ef7548a6190618d469440b73bda0e42991991a3f609c35037c585fb86b3e5d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_replica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/deck.rs:305:15
[INFO] [stdout]     |
[INFO] [stdout] 305 |         while let card = deck1.draw(1).get(0) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/player.rs:45:37
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn collect_cards(&mut self, mut cards: Vec<DeckCard>) {
[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/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut game = new_game.unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `initial_size` is never read
[INFO] [stdout]    --> src/deck.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct Deck {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 120 |     cards: Vec<DeckCard>,
[INFO] [stdout] 121 |     initial_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `top` and `bottom` are never read
[INFO] [stdout]   --> src/game.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CardPair {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     pub top: DeckCard,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 18 |     pub bottom: DeckCard,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `revealed_cards` and `dna` are never read
[INFO] [stdout]   --> src/game.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub revealed_cards: Vec<DeckCard>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     pub dna: Vec<CardPair>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "1ef7548a6190618d469440b73bda0e42991991a3f609c35037c585fb86b3e5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef7548a6190618d469440b73bda0e42991991a3f609c35037c585fb86b3e5d0", kill_on_drop: false }`
[INFO] [stdout] 1ef7548a6190618d469440b73bda0e42991991a3f609c35037c585fb86b3e5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d321519680ad4ce49877e013a29940605ef7749c968d9d690faac51acd7a00e4
[INFO] running `Command { std: "docker" "start" "-a" "d321519680ad4ce49877e013a29940605ef7749c968d9d690faac51acd7a00e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `while let` pattern
[INFO] [stderr]    --> src/deck.rs:305:15
[INFO] [stderr]     |
[INFO] [stderr] 305 |         while let card = deck1.draw(1).get(0) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the loop will never exit
[INFO] [stderr]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player.rs:45:37
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn collect_cards(&mut self, mut cards: Vec<DeckCard>) {
[INFO] [stderr]    |                                     ----^^^^^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let mut game = new_game.unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `initial_size` is never read
[INFO] [stderr]    --> src/deck.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub struct Deck {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 120 |     cards: Vec<DeckCard>,
[INFO] [stderr] 121 |     initial_size: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `top` and `bottom` are never read
[INFO] [stderr]   --> src/game.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct CardPair {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 17 |     pub top: DeckCard,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 18 |     pub bottom: DeckCard,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `revealed_cards` and `dna` are never read
[INFO] [stderr]   --> src/game.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Game {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub revealed_cards: Vec<DeckCard>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 28 |     pub dna: Vec<CardPair>,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_replica` (bin "rust_replica" test) generated 7 warnings (run `cargo fix --bin "rust_replica" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_replica-961718623356870b)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test deck::tests::deck_from_vec ... ok
[INFO] [stdout] test deck::tests::draw_too_many_cards ... ok
[INFO] [stdout] test deck::tests::draw_two_cards ... ok
[INFO] [stdout] test deck::tests::new_deck_is_empty ... ok
[INFO] [stdout] test deck::tests::recognise_stop_cards ... ok
[INFO] [stdout] test deck::tests::replace_card_into_deck ... ok
[INFO] [stdout] test deck::tests::draw_update_stop_cards ... ok
[INFO] [stdout] test deck::tests::shuffle_deck ... ok
[INFO] [stdout] test game::test::game_new ... ok
[INFO] [stdout] test deck::tests::replace_stop_card_into_deck ... ok
[INFO] [stdout] test game::test::max_cells_stopped_2_players_game_over ... ok
[INFO] [stdout] test game::test::max_cells_stopped_3_players_game_over ... ok
[INFO] [stdout] test game::test::game_not_over ... ok
[INFO] [stdout] test game::test::game_new_wrong_number_of_players ... ok
[INFO] [stdout] test game::test::max_cells_stopped_4_players_game_over ... ok
[INFO] [stdout] test game::test::played_all_stop_cards_game_over ... ok
[INFO] [stdout] test player::tests::player_collect_cards ... ok
[INFO] [stdout] test player::tests::player_draw_cards ... ok
[INFO] [stdout] test player::tests::player_new ... ok
[INFO] [stdout] test player::tests::player_score ... ok
[INFO] [stdout] test game::test::empty_deck_game_over ... ok
[INFO] [stdout] test deck::tests::shuffle_two_decks ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- deck::tests::shuffle_two_decks stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'deck::tests::shuffle_two_decks' panicked at src/deck.rs:314:13:
[INFO] [stdout] Two decks shuffled separately result in identical order
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5701bdb39ff2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5701bdb39ff2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5701bdb39ff2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5701bdb39ff2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5701bdb5f743 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5701bdb5f743 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5701bdb36f83 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5701bdb36f83 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5701bdb39e42 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5701bdb3b55c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5701bdb3b3b2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5701bdb00494 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5701bdb00494 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5701bdb3bf3b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5701bdb3bf3b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5701bdb3bcd6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5701bdb3a4e9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5701bdb3b99d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5701bdb5e290 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5701bdac6cbd - rust_replica::deck::tests::shuffle_two_decks::h3f12a8eb8477760d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/deck.rs:314:13
[INFO] [stdout]   20:     0x5701bdac3c19 - rust_replica::deck::tests::shuffle_two_decks::{{closure}}::h3dce8b584712c678
[INFO] [stdout]                                at /opt/rustwide/workdir/src/deck.rs:298:27
[INFO] [stdout]   21:     0x5701bdac3c19 - core::ops::function::FnOnce::call_once::hec397637f300a554
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5701bdb05bcb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5701bdb05bcb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x5701bdb04e0e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x5701bdb04e0e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x5701bdb04e0e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x5701bdb04e0e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x5701bdb04e0e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5701bdb04e0e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x5701bdb04e0e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x5701bdac89b4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x5701bdac89b4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x5701bdacc35a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x5701bdacc35a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x5701bdacc35a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x5701bdacc35a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x5701bdacc35a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5701bdacc35a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x5701bdacc35a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5701bdb3ee97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x5701bdb3ee97 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5701bdb3ee97 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7e3fb3833aa4 - <unknown>
[INFO] [stdout]   44:     0x7e3fb38c0a34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     deck::tests::shuffle_two_decks
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_replica`
[INFO] running `Command { std: "docker" "inspect" "d321519680ad4ce49877e013a29940605ef7749c968d9d690faac51acd7a00e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d321519680ad4ce49877e013a29940605ef7749c968d9d690faac51acd7a00e4", kill_on_drop: false }`
[INFO] [stdout] d321519680ad4ce49877e013a29940605ef7749c968d9d690faac51acd7a00e4
