[INFO] cloning repository https://github.com/codonnell/blackjack_sim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codonnell/blackjack_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodonnell%2Fblackjack_sim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodonnell%2Fblackjack_sim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6200bc679f6e8e9e273572818c12b4d71972183 [INFO] testing codonnell/blackjack_sim against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodonnell%2Fblackjack_sim" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/codonnell/blackjack_sim [INFO] finished tweaking git repo https://github.com/codonnell/blackjack_sim [INFO] tweaked toml for git repo https://github.com/codonnell/blackjack_sim written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/codonnell/blackjack_sim on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/codonnell/blackjack_sim 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6ac3cd6792b9bad19d80556cb28dbedd233469541547b9629844f442cba5565 [INFO] running `Command { std: "docker" "start" "-a" "a6ac3cd6792b9bad19d80556cb28dbedd233469541547b9629844f442cba5565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6ac3cd6792b9bad19d80556cb28dbedd233469541547b9629844f442cba5565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6ac3cd6792b9bad19d80556cb28dbedd233469541547b9629844f442cba5565", kill_on_drop: false }` [INFO] [stdout] a6ac3cd6792b9bad19d80556cb28dbedd233469541547b9629844f442cba5565 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fa54912ad7aef39334ccfda5cc8aecd335717e4c4d17018551f16c193a32eae [INFO] running `Command { std: "docker" "start" "-a" "1fa54912ad7aef39334ccfda5cc8aecd335717e4c4d17018551f16c193a32eae", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling serde v1.0.12 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling csv-core v0.1.3 [INFO] [stderr] Compiling csv v1.0.0-beta.4 [INFO] [stderr] Compiling blackjack_sim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:1253:8 [INFO] [stdout] | [INFO] [stdout] 1253 | if (cards.len() == 11) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1253 - if (cards.len() == 11) { [INFO] [stdout] 1253 + if cards.len() == 11 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1146:58 [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1170:64 [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1196:73 [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1211:89 [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:705:26 [INFO] [stdout] | [INFO] [stdout] 705 | fn insurance_expectation(mut state: &mut GameState) -> f32 { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `deck` [INFO] [stdout] --> src/main.rs:840:19 [INFO] [stdout] | [INFO] [stdout] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_deck` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:844:19 [INFO] [stdout] | [INFO] [stdout] 844 | fn reshuffle_deck(mut state: &mut GameState) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `best_expectation` is never read [INFO] [stdout] --> src/main.rs:1298:13 [INFO] [stdout] | [INFO] [stdout] 1298 | best_expectation = split_exp; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_reshuffle` is never used [INFO] [stdout] --> src/main.rs:840:4 [INFO] [stdout] | [INFO] [stdout] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reshuffle_deck` is never used [INFO] [stdout] --> src/main.rs:844:4 [INFO] [stdout] | [INFO] [stdout] 844 | fn reshuffle_deck(mut state: &mut GameState) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all_deck_expectations` is never used [INFO] [stdout] --> src/main.rs:1127:4 [INFO] [stdout] | [INFO] [stdout] 1127 | fn all_deck_expectations() -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deck_samples` is never used [INFO] [stdout] --> src/main.rs:1146:4 [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `computed_decks` is never used [INFO] [stdout] --> src/main.rs:1170:4 [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_deck` is never used [INFO] [stdout] --> src/main.rs:1196:4 [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `append_advantage_data` is never used [INFO] [stdout] --> src/main.rs:1211:4 [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `continuously_compute_deck_advantages` is never used [INFO] [stdout] --> src/main.rs:1221:4 [INFO] [stdout] | [INFO] [stdout] 1221 | fn continuously_compute_deck_advantages(samples_path: &str, data_path: &str) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrderedDeck` is never constructed [INFO] [stdout] --> src/main.rs:1238:8 [INFO] [stdout] | [INFO] [stdout] 1238 | struct OrderedDeck { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw` is never used [INFO] [stdout] --> src/main.rs:1244:8 [INFO] [stdout] | [INFO] [stdout] 1243 | impl OrderedDeck { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 1244 | fn draw(&mut self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_deck` is never used [INFO] [stdout] --> src/main.rs:1251:4 [INFO] [stdout] | [INFO] [stdout] 1251 | fn parse_deck(deck_str: &str) -> Deck { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_hand` is never used [INFO] [stdout] --> src/main.rs:1267:4 [INFO] [stdout] | [INFO] [stdout] 1267 | fn parse_hand(hand_str: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `best_action` is never used [INFO] [stdout] --> src/main.rs:1280:4 [INFO] [stdout] | [INFO] [stdout] 1280 | fn best_action(mut state: &mut GameState) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.08s [INFO] running `Command { std: "docker" "inspect" "1fa54912ad7aef39334ccfda5cc8aecd335717e4c4d17018551f16c193a32eae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fa54912ad7aef39334ccfda5cc8aecd335717e4c4d17018551f16c193a32eae", kill_on_drop: false }` [INFO] [stdout] 1fa54912ad7aef39334ccfda5cc8aecd335717e4c4d17018551f16c193a32eae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d6b7c1e7f215fa9c4b273c57980b178eda19547e4ce35c32f54a211438974a9 [INFO] running `Command { std: "docker" "start" "-a" "1d6b7c1e7f215fa9c4b273c57980b178eda19547e4ce35c32f54a211438974a9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling blackjack_sim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:1253:8 [INFO] [stdout] | [INFO] [stdout] 1253 | if (cards.len() == 11) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1253 - if (cards.len() == 11) { [INFO] [stdout] 1253 + if cards.len() == 11 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1146:58 [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1170:64 [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1196:73 [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1211:89 [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:705:26 [INFO] [stdout] | [INFO] [stdout] 705 | fn insurance_expectation(mut state: &mut GameState) -> f32 { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `deck` [INFO] [stdout] --> src/main.rs:840:19 [INFO] [stdout] | [INFO] [stdout] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_deck` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:844:19 [INFO] [stdout] | [INFO] [stdout] 844 | fn reshuffle_deck(mut state: &mut GameState) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `best_expectation` is never read [INFO] [stdout] --> src/main.rs:1298:13 [INFO] [stdout] | [INFO] [stdout] 1298 | best_expectation = split_exp; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `will_reshuffle` is never used [INFO] [stdout] --> src/main.rs:840:4 [INFO] [stdout] | [INFO] [stdout] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `all_deck_expectations` is never used [INFO] [stdout] --> src/main.rs:1127:4 [INFO] [stdout] | [INFO] [stdout] 1127 | fn all_deck_expectations() -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deck_samples` is never used [INFO] [stdout] --> src/main.rs:1146:4 [INFO] [stdout] | [INFO] [stdout] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `computed_decks` is never used [INFO] [stdout] --> src/main.rs:1170:4 [INFO] [stdout] | [INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_deck` is never used [INFO] [stdout] --> src/main.rs:1196:4 [INFO] [stdout] | [INFO] [stdout] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `append_advantage_data` is never used [INFO] [stdout] --> src/main.rs:1211:4 [INFO] [stdout] | [INFO] [stdout] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `continuously_compute_deck_advantages` is never used [INFO] [stdout] --> src/main.rs:1221:4 [INFO] [stdout] | [INFO] [stdout] 1221 | fn continuously_compute_deck_advantages(samples_path: &str, data_path: &str) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrderedDeck` is never constructed [INFO] [stdout] --> src/main.rs:1238:8 [INFO] [stdout] | [INFO] [stdout] 1238 | struct OrderedDeck { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw` is never used [INFO] [stdout] --> src/main.rs:1244:8 [INFO] [stdout] | [INFO] [stdout] 1243 | impl OrderedDeck { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 1244 | fn draw(&mut self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_deck` is never used [INFO] [stdout] --> src/main.rs:1251:4 [INFO] [stdout] | [INFO] [stdout] 1251 | fn parse_deck(deck_str: &str) -> Deck { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_hand` is never used [INFO] [stdout] --> src/main.rs:1267:4 [INFO] [stdout] | [INFO] [stdout] 1267 | fn parse_hand(hand_str: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `best_action` is never used [INFO] [stdout] --> src/main.rs:1280:4 [INFO] [stdout] | [INFO] [stdout] 1280 | fn best_action(mut state: &mut GameState) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "1d6b7c1e7f215fa9c4b273c57980b178eda19547e4ce35c32f54a211438974a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d6b7c1e7f215fa9c4b273c57980b178eda19547e4ce35c32f54a211438974a9", kill_on_drop: false }` [INFO] [stdout] 1d6b7c1e7f215fa9c4b273c57980b178eda19547e4ce35c32f54a211438974a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a029faa6d12531d560a020f363ea5dbcb479cb5094eea3efdb8798b1db84eca3 [INFO] running `Command { std: "docker" "start" "-a" "a029faa6d12531d560a020f363ea5dbcb479cb5094eea3efdb8798b1db84eca3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:1253:8 [INFO] [stderr] | [INFO] [stderr] 1253 | if (cards.len() == 11) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 1253 - if (cards.len() == 11) { [INFO] [stderr] 1253 + if cards.len() == 11 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1146:58 [INFO] [stderr] | [INFO] [stderr] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1170:64 [INFO] [stderr] | [INFO] [stderr] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1196:73 [INFO] [stderr] | [INFO] [stderr] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1211:89 [INFO] [stderr] | [INFO] [stderr] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:705:26 [INFO] [stderr] | [INFO] [stderr] 705 | fn insurance_expectation(mut state: &mut GameState) -> f32 { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `deck` [INFO] [stderr] --> src/main.rs:840:19 [INFO] [stderr] | [INFO] [stderr] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_deck` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:844:19 [INFO] [stderr] | [INFO] [stderr] 844 | fn reshuffle_deck(mut state: &mut GameState) { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `best_expectation` is never read [INFO] [stderr] --> src/main.rs:1298:13 [INFO] [stderr] | [INFO] [stderr] 1298 | best_expectation = split_exp; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `will_reshuffle` is never used [INFO] [stderr] --> src/main.rs:840:4 [INFO] [stderr] | [INFO] [stderr] 840 | fn will_reshuffle(deck: &Deck) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `all_deck_expectations` is never used [INFO] [stderr] --> src/main.rs:1127:4 [INFO] [stderr] | [INFO] [stderr] 1127 | fn all_deck_expectations() -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `deck_samples` is never used [INFO] [stderr] --> src/main.rs:1146:4 [INFO] [stderr] | [INFO] [stderr] 1146 | fn deck_samples(filename: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `computed_decks` is never used [INFO] [stderr] --> src/main.rs:1170:4 [INFO] [stderr] | [INFO] [stderr] 1170 | fn computed_decks(filename: &str) -> Result, Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `random_deck` is never used [INFO] [stderr] --> src/main.rs:1196:4 [INFO] [stderr] | [INFO] [stderr] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `append_advantage_data` is never used [INFO] [stderr] --> src/main.rs:1211:4 [INFO] [stderr] | [INFO] [stderr] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `continuously_compute_deck_advantages` is never used [INFO] [stderr] --> src/main.rs:1221:4 [INFO] [stderr] | [INFO] [stderr] 1221 | fn continuously_compute_deck_advantages(samples_path: &str, data_path: &str) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `OrderedDeck` is never constructed [INFO] [stderr] --> src/main.rs:1238:8 [INFO] [stderr] | [INFO] [stderr] 1238 | struct OrderedDeck { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `draw` is never used [INFO] [stderr] --> src/main.rs:1244:8 [INFO] [stderr] | [INFO] [stderr] 1243 | impl OrderedDeck { [INFO] [stderr] | ---------------- method in this implementation [INFO] [stderr] 1244 | fn draw(&mut self) -> u16 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `parse_deck` is never used [INFO] [stderr] --> src/main.rs:1251:4 [INFO] [stderr] | [INFO] [stderr] 1251 | fn parse_deck(deck_str: &str) -> Deck { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `parse_hand` is never used [INFO] [stderr] --> src/main.rs:1267:4 [INFO] [stderr] | [INFO] [stderr] 1267 | fn parse_hand(hand_str: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `best_action` is never used [INFO] [stderr] --> src/main.rs:1280:4 [INFO] [stderr] | [INFO] [stderr] 1280 | fn best_action(mut state: &mut GameState) -> String { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `blackjack_sim` (bin "blackjack_sim" test) generated 24 warnings (run `cargo fix --bin "blackjack_sim" --tests` to apply 10 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack_sim-bd221efc69bd3e76) [INFO] [stdout] [INFO] [stdout] running 37 tests [INFO] [stdout] test five_card_charlie_beats_value ... ok [INFO] [stdout] test greater_value_wins ... ok [INFO] [stdout] test hard_hand_values ... ok [INFO] [stdout] test min_hand_values ... ok [INFO] [stdout] test test_dealer_scores ... ok [INFO] [stdout] test natural_beats_five_card_charlie ... ok [INFO] [stdout] test test_dealer_stands ... ok [INFO] [stdout] test test_double_expectation ... ok [INFO] [stdout] test test_hand_expectation ... ok [INFO] [stdout] test soft_hand_values ... ok [INFO] [stdout] test test_insurance_expectation ... ok [INFO] [stdout] test greater_five_card_charlie_wins ... ok [INFO] [stdout] test test_first_split_hand_insurance_expectation - should panic ... ok [INFO] [stdout] test test_invalid_draw - should panic ... ok [INFO] [stdout] test test_invalid_draw_to - should panic ... ok [INFO] [stdout] test test_invalid_hit_expectation - should panic ... ok [INFO] [stdout] test test_non_ace_insurance_expectation - should panic ... ok [INFO] [stdout] test test_non_starting_insurance_expectation - should panic ... ok [INFO] [stdout] test test_not_failed_insurance_split_expectation - should panic ... ok [INFO] [stdout] test test_is_split_insurance_expectation - should panic ... ok [INFO] [stdout] test test_invalid_replace_from - should panic ... ok [INFO] [stdout] test test_not_is_split_split_expectation - should panic ... ok [INFO] [stdout] test test_not_same_cards_split_expectation - should panic ... ok [INFO] [stdout] test test_reshuffle_deck ... FAILED [INFO] [stdout] test test_score ... ok [INFO] [stdout] test test_stand_expectation ... ok [INFO] [stdout] test test_valid_draw ... ok [INFO] [stdout] test test_valid_draw_to ... ok [INFO] [stdout] test test_valid_replace_from ... ok [INFO] [stdout] test two_naturals_equal ... ok [INFO] [stdout] test value_beats_bust ... ok [INFO] [stdout] test equal_values_are_equal ... ok [INFO] [stdout] test five_card_charlie_loses_to_natural ... ok [INFO] [stdout] test test_card_prob ... ok [INFO] [stdout] test test_not_two_cards_split_expectation - should panic ... ok [INFO] [stdout] test test_replace ... ok [INFO] [stdout] test test_hit_expectation ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_reshuffle_deck stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'test_reshuffle_deck' (46) panicked at src/main.rs:868:5: [INFO] [stdout] assertion failed: 49 == state.deck.size [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5ad6a6a95582 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ad6a6a95582 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ad6a6a95582 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ad6a6a95582 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ad6a6aa5e2f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ad6a6aa5e2f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5ad6a6a62e33 - std::io::default_write_fmt::he11a713685e2464d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ad6a6a62e33 - std::io::Write::write_fmt::h9d08f7e050bd2612 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5ad6a6a6ebf2 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ad6a6a7364f - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5ad6a6a734e1 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5ad6a6a3289e - as core::ops::function::Fn>::call::h0e9de8cceb22406e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5ad6a6a3289e - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5ad6a6a73cee - as core::ops::function::Fn>::call::h1fd0a0802eaec16b [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5ad6a6a73cee - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5ad6a6a73a86 - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:700:13 [INFO] [stdout] 16: 0x5ad6a6a6ed29 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5ad6a6a5709d - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5ad6a6aad760 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5ad6a6aad73c - core::panicking::panic::h019d7f9cc862af37 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:145:5 [INFO] [stdout] 20: 0x5ad6a6a06919 - blackjack_sim::test_reshuffle_deck::h481ebe4189010cc9 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:868:5 [INFO] [stdout] 21: 0x5ad6a6a06cc7 - blackjack_sim::test_reshuffle_deck::{{closure}}::hcff75ae22f09d3af [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:855:25 [INFO] [stdout] 22: 0x5ad6a69fcb46 - core::ops::function::FnOnce::call_once::h42275007b027e949 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 23: 0x5ad6a6a3265b - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: 0x5ad6a6a3265b - test::__rust_begin_short_backtrace::h8ae08814d38cb356 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18 [INFO] [stdout] 25: 0x5ad6a6a48145 - test::run_test_in_process::{{closure}}::h54574ee4f414d690 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74 [INFO] [stdout] 26: 0x5ad6a6a48145 - as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x5ad6a6a48145 - std::panicking::catch_unwind::do_call::h23820e817c5612cd [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5ad6a6a48145 - std::panicking::catch_unwind::h89c73a1febce5587 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5ad6a6a48145 - std::panic::catch_unwind::h6f55caf410861914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5ad6a6a48145 - test::run_test_in_process::h4db851878e5d3983 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27 [INFO] [stdout] 31: 0x5ad6a6a48145 - test::run_test::{{closure}}::h57e8c5acaceacd24 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43 [INFO] [stdout] 32: 0x5ad6a6a1eb34 - test::run_test::{{closure}}::he775ccc3a9d3b97e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41 [INFO] [stdout] 33: 0x5ad6a6a1eb34 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 34: 0x5ad6a6a2237a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 35: 0x5ad6a6a2237a - as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x5ad6a6a2237a - std::panicking::catch_unwind::do_call::h1917979b0c279ea2 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 37: 0x5ad6a6a2237a - std::panicking::catch_unwind::h791ad91fee6ce34e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 38: 0x5ad6a6a2237a - std::panic::catch_unwind::h982b8f40ed9c3cce [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 39: 0x5ad6a6a2237a - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 40: 0x5ad6a6a2237a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 41: 0x5ad6a6a68faf - as core::ops::function::FnOnce>::call_once::h1d452951a81e9d0a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 42: 0x5ad6a6a68faf - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 43: 0x77b90bee6aa4 - [INFO] [stdout] 44: 0x77b90bf73a34 - clone [INFO] [stdout] 45: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_reshuffle_deck [INFO] [stdout] [INFO] [stdout] test result: FAILED. 36 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.41s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin blackjack_sim` [INFO] running `Command { std: "docker" "inspect" "a029faa6d12531d560a020f363ea5dbcb479cb5094eea3efdb8798b1db84eca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a029faa6d12531d560a020f363ea5dbcb479cb5094eea3efdb8798b1db84eca3", kill_on_drop: false }` [INFO] [stdout] a029faa6d12531d560a020f363ea5dbcb479cb5094eea3efdb8798b1db84eca3