[INFO] cloning repository https://github.com/pati08/card-games [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pati08/card-games" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fcard-games", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fcard-games'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7aba01e9be2be8e002bfae74edd06361d5eabdb [INFO] checking pati08/card-games against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpati08%2Fcard-games" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pati08/card-games [INFO] finished tweaking git repo https://github.com/pati08/card-games [INFO] tweaked toml for git repo https://github.com/pati08/card-games written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pati08/card-games on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pati08/card-games 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 870626b940dbeec6179fffae71acdf431a82970acb831a9be2bcca3086672f58 [INFO] running `Command { std: "docker" "start" "-a" "870626b940dbeec6179fffae71acdf431a82970acb831a9be2bcca3086672f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "870626b940dbeec6179fffae71acdf431a82970acb831a9be2bcca3086672f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "870626b940dbeec6179fffae71acdf431a82970acb831a9be2bcca3086672f58", kill_on_drop: false }` [INFO] [stdout] 870626b940dbeec6179fffae71acdf431a82970acb831a9be2bcca3086672f58 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db22e6cd1eed673ff8809dc0c5ccfa291cd5d534111dc8953346af88ae4add70 [INFO] running `Command { std: "docker" "start" "-a" "db22e6cd1eed673ff8809dc0c5ccfa291cd5d534111dc8953346af88ae4add70", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.85 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking card-games v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:5:59 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{rngs::ThreadRng, seq::SliceRandom, thread_rng, Rng, RngCore}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:5:59 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{rngs::ThreadRng, seq::SliceRandom, thread_rng, Rng, RngCore}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cards_played` [INFO] [stdout] --> src/main.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut cards_played: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cards_played` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | for player in self.players.iter_mut() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut cards_played: Vec = Vec::new(); [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: method `turn` is never used [INFO] [stdout] --> src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 37 | trait PlayerAgent { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 40 | fn turn( [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `agent`, `score`, and `hand` are never read [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 50 | agent: Box, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 51 | score: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | hand: Hand, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `next_player` is never read [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 56 | struct GameState { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 57 | players: Vec, [INFO] [stdout] 58 | next_player: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `suit` and `value` are never read [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 62 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 63 | value: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_short` is never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl Card { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 73 | fn format_short(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear_screen` is never used [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn clear_screen() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rng` is never read [INFO] [stdout] --> src/main.rs:227:5 [INFO] [stdout] | [INFO] [stdout] 226 | struct RandomPlayer { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 227 | rng: ThreadRng, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `LegalResult` is never used [INFO] [stdout] --> src/main.rs:252:6 [INFO] [stdout] | [INFO] [stdout] 252 | enum LegalResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_legal` is never used [INFO] [stdout] --> src/main.rs:258:4 [INFO] [stdout] | [INFO] [stdout] 258 | fn is_legal(hand: &Hand, card_index: u8, hearts_broken: bool) -> LegalResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | stdout().flush(); [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] 9 | let _ = stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cards_played` [INFO] [stdout] --> src/main.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut cards_played: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cards_played` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | for player in self.players.iter_mut() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut cards_played: Vec = Vec::new(); [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: method `turn` is never used [INFO] [stdout] --> src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 37 | trait PlayerAgent { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 40 | fn turn( [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `agent`, `score`, and `hand` are never read [INFO] [stdout] --> src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 49 | struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 50 | agent: Box, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 51 | score: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 52 | hand: Hand, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `next_player` is never read [INFO] [stdout] --> src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 56 | struct GameState { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 57 | players: Vec, [INFO] [stdout] 58 | next_player: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `suit` and `value` are never read [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 62 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 63 | value: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `format_short` is never used [INFO] [stdout] --> src/main.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 72 | impl Card { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 73 | fn format_short(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear_screen` is never used [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn clear_screen() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rng` is never read [INFO] [stdout] --> src/main.rs:227:5 [INFO] [stdout] | [INFO] [stdout] 226 | struct RandomPlayer { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 227 | rng: ThreadRng, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `LegalResult` is never used [INFO] [stdout] --> src/main.rs:252:6 [INFO] [stdout] | [INFO] [stdout] 252 | enum LegalResult { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_legal` is never used [INFO] [stdout] --> src/main.rs:258:4 [INFO] [stdout] | [INFO] [stdout] 258 | fn is_legal(hand: &Hand, card_index: u8, hearts_broken: bool) -> LegalResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | stdout().flush(); [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] 9 | let _ = stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s [INFO] running `Command { std: "docker" "inspect" "db22e6cd1eed673ff8809dc0c5ccfa291cd5d534111dc8953346af88ae4add70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db22e6cd1eed673ff8809dc0c5ccfa291cd5d534111dc8953346af88ae4add70", kill_on_drop: false }` [INFO] [stdout] db22e6cd1eed673ff8809dc0c5ccfa291cd5d534111dc8953346af88ae4add70