[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodonnell%2Fblackjack_sim" "/workspace/builds/worker-43/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codonnell/blackjack_sim on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-43/source/Cargo.toml [INFO] crate git repo https://github.com/codonnell/blackjack_sim already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f12529914be7cc181dc0452e7e64da6d5c4edb272a1401a90dde77cc2171eccb [INFO] running `Command { std: "docker" "start" "-a" "f12529914be7cc181dc0452e7e64da6d5c4edb272a1401a90dde77cc2171eccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f12529914be7cc181dc0452e7e64da6d5c4edb272a1401a90dde77cc2171eccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f12529914be7cc181dc0452e7e64da6d5c4edb272a1401a90dde77cc2171eccb", kill_on_drop: false }` [INFO] [stdout] f12529914be7cc181dc0452e7e64da6d5c4edb272a1401a90dde77cc2171eccb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21351b1aebbddd7f82ffd41994806eb8fa2f3b73d2f56cf81417e7d93612bca6 [INFO] running `Command { std: "docker" "start" "-a" "21351b1aebbddd7f82ffd41994806eb8fa2f3b73d2f56cf81417e7d93612bca6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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)]` 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: 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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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)]` 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: 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)]` on by default [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `will_reshuffle` [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reshuffle_deck` [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 is never used: `all_deck_expectations` [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 is never used: `deck_samples` [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 is never used: `computed_decks` [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 is never used: `random_deck` [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 is never used: `append_advantage_data` [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 is never used: `continuously_compute_deck_advantages` [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: associated function is never used: `draw` [INFO] [stdout] --> src/main.rs:1244:8 [INFO] [stdout] | [INFO] [stdout] 1244 | fn draw(&mut self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_deck` [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 is never used: `parse_hand` [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 is never used: `best_action` [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] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.24s [INFO] running `Command { std: "docker" "inspect" "21351b1aebbddd7f82ffd41994806eb8fa2f3b73d2f56cf81417e7d93612bca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21351b1aebbddd7f82ffd41994806eb8fa2f3b73d2f56cf81417e7d93612bca6", kill_on_drop: false }` [INFO] [stdout] 21351b1aebbddd7f82ffd41994806eb8fa2f3b73d2f56cf81417e7d93612bca6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eb4936a9d2a99f67bc0a89a80b36da94416a93644d88c13a989915584893863 [INFO] running `Command { std: "docker" "start" "-a" "7eb4936a9d2a99f67bc0a89a80b36da94416a93644d88c13a989915584893863", kill_on_drop: false }` [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)]` 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: 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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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)]` 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: 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)]` on by default [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `will_reshuffle` [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `all_deck_expectations` [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 is never used: `deck_samples` [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 is never used: `computed_decks` [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 is never used: `random_deck` [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 is never used: `append_advantage_data` [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 is never used: `continuously_compute_deck_advantages` [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: associated function is never used: `draw` [INFO] [stdout] --> src/main.rs:1244:8 [INFO] [stdout] | [INFO] [stdout] 1244 | fn draw(&mut self) -> u16 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_deck` [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 is never used: `parse_hand` [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 is never used: `best_action` [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] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "7eb4936a9d2a99f67bc0a89a80b36da94416a93644d88c13a989915584893863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eb4936a9d2a99f67bc0a89a80b36da94416a93644d88c13a989915584893863", kill_on_drop: false }` [INFO] [stdout] 7eb4936a9d2a99f67bc0a89a80b36da94416a93644d88c13a989915584893863 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d04e44dfe492fb2c0e3323b7ac7336e8b1aeecdf78460d49646dfec2e98c3f2 [INFO] running `Command { std: "docker" "start" "-a" "4d04e44dfe492fb2c0e3323b7ac7336e8b1aeecdf78460d49646dfec2e98c3f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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)]` 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: 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] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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] | ^^^^^ help: use `dyn`: `dyn Error` [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] [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)]` 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: 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)]` on by default [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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `will_reshuffle` [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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `all_deck_expectations` [INFO] [stderr] --> src/main.rs:1127:4 [INFO] [stderr] | [INFO] [stderr] 1127 | fn all_deck_expectations() -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deck_samples` [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 is never used: `computed_decks` [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 is never used: `random_deck` [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 is never used: `append_advantage_data` [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 is never used: `continuously_compute_deck_advantages` [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: associated function is never used: `draw` [INFO] [stderr] --> src/main.rs:1244:8 [INFO] [stderr] | [INFO] [stderr] 1244 | fn draw(&mut self) -> u16 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_deck` [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 is never used: `parse_hand` [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 is never used: `best_action` [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 21 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.71s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/blackjack_sim-5833f9e663a42093) [INFO] [stdout] [INFO] [stdout] running 37 tests [INFO] [stdout] test five_card_charlie_beats_value ... ok [INFO] [stdout] test equal_values_are_equal ... ok [INFO] [stdout] test five_card_charlie_loses_to_natural ... ok [INFO] [stdout] test greater_five_card_charlie_wins ... 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 natural_beats_five_card_charlie ... ok [INFO] [stdout] test soft_hand_values ... ok [INFO] [stdout] test test_card_prob ... ok [INFO] [stdout] test test_dealer_stands ... ok [INFO] [stdout] test test_dealer_scores ... ok [INFO] [stdout] test test_double_expectation ... ok [INFO] [stdout] test test_hand_expectation ... ok [INFO] [stdout] test test_insurance_expectation ... ok [INFO] [stdout] test test_replace ... ok [INFO] [stdout] test test_score ... 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 test_stand_expectation ... ok [INFO] [stdout] test two_naturals_equal ... ok [INFO] [stdout] test value_beats_bust ... 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_invalid_replace_from - should panic ... ok [INFO] [stdout] test test_is_split_insurance_expectation - should panic ... ok [INFO] [stdout] test test_non_starting_insurance_expectation - should panic ... ok [INFO] [stdout] test test_not_is_split_split_expectation - should panic ... ok [INFO] [stdout] test test_not_failed_insurance_split_expectation - should panic ... ok [INFO] [stdout] test test_not_same_cards_split_expectation - should panic ... ok [INFO] [stdout] test test_not_two_cards_split_expectation - should panic ... ok [INFO] [stdout] test test_non_ace_insurance_expectation - should panic ... ok [INFO] [stdout] test test_reshuffle_deck ... FAILED [INFO] [stdout] test test_hit_expectation ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_reshuffle_deck stdout ---- [INFO] [stdout] thread 'test_reshuffle_deck' panicked at 'assertion failed: 49 == state.deck.size', src/main.rs:868:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c900b2577c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c900b2577c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c900b2577c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c900b2577c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c900b48b0c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x55c900b216b5 - std::io::Write::write_fmt::h21d7683cabdb4c35 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x55c900b271d0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c900b271d0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c900b271d0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55c900b26db6 - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55c900b27884 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55c900b27332 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:500:13 [INFO] [stdout] 12: 0x55c900b25c34 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55c900b272c9 - rust_begin_unwind [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55c900ab38f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x55c900ab383d - core::panicking::panic::h50b51d19800453c0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:48:5 [INFO] [stdout] 16: 0x55c900abd73b - blackjack_sim::test_reshuffle_deck::h491523d7e197fa99 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:868:5 [INFO] [stdout] 17: 0x55c900abd52a - blackjack_sim::test_reshuffle_deck::{{closure}}::hebad790b67fbf6e0 [INFO] [stdout] at /opt/rustwide/workdir/src/main.rs:855:1 [INFO] [stdout] 18: 0x55c900ac6c0e - core::ops::function::FnOnce::call_once::h78fee45f937dbf02 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x55c900affb23 - core::ops::function::FnOnce::call_once::h449577f1c5b077cb [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55c900affb23 - test::__rust_begin_short_backtrace::h8c2a0a5090591869 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:585:5 [INFO] [stdout] 21: 0x55c900afe6b7 - as core::ops::function::FnOnce>::call_once::hea00a22128a38543 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 22: 0x55c900afe6b7 - as core::ops::function::FnOnce<()>>::call_once::he10b35c3c50d78a0 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 23: 0x55c900afe6b7 - std::panicking::try::do_call::hc868e78bbc5af2ab [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x55c900afe6b7 - std::panicking::try::he468aede74df1b04 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x55c900afe6b7 - std::panic::catch_unwind::hce3c9152e1cf772d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x55c900afe6b7 - test::run_test_in_process::h9c4ab8162080cf8c [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:608:18 [INFO] [stdout] 27: 0x55c900afe6b7 - test::run_test::run_test_inner::{{closure}}::he9483433cef16afe [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:500:39 [INFO] [stdout] 28: 0x55c900acb9fe - test::run_test::run_test_inner::{{closure}}::h479f1f872a5501ea [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/test/src/lib.rs:527:37 [INFO] [stdout] 29: 0x55c900acb9fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h0f1e9b1f279687bc [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 30: 0x55c900ad0828 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::he5560613c5f5cb83 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17 [INFO] [stdout] 31: 0x55c900ad0828 - as core::ops::function::FnOnce<()>>::call_once::h8190a68cb05ab92f [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 32: 0x55c900ad0828 - std::panicking::try::do_call::h6ae22f5ac22596e4 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stdout] 33: 0x55c900ad0828 - std::panicking::try::h2381c25487d6a7c2 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stdout] 34: 0x55c900ad0828 - std::panic::catch_unwind::hfe902f4d5c9d7b6d [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stdout] 35: 0x55c900ad0828 - std::thread::Builder::spawn_unchecked::{{closure}}::h547fad40771a584e [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30 [INFO] [stdout] 36: 0x55c900ad0828 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he8602a9971738410 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x55c900b2c313 - as core::ops::function::FnOnce>::call_once::he162a5c338a10a39 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 38: 0x55c900b2c313 - as core::ops::function::FnOnce>::call_once::hb27497b21740dd97 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9 [INFO] [stdout] 39: 0x55c900b2c313 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136 [INFO] [stdout] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17 [INFO] [stdout] 40: 0x7f7646f0b609 - start_thread [INFO] [stdout] 41: 0x7f7646cdd293 - clone [INFO] [stdout] 42: 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 20.81s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin blackjack_sim' [INFO] running `Command { std: "docker" "inspect" "4d04e44dfe492fb2c0e3323b7ac7336e8b1aeecdf78460d49646dfec2e98c3f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d04e44dfe492fb2c0e3323b7ac7336e8b1aeecdf78460d49646dfec2e98c3f2", kill_on_drop: false }` [INFO] [stdout] 4d04e44dfe492fb2c0e3323b7ac7336e8b1aeecdf78460d49646dfec2e98c3f2