[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 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodonnell%2Fblackjack_sim" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codonnell/blackjack_sim on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "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" "+1.94.0" "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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] [stderr]   Downloaded csv-core v0.1.3
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded redox_syscall v0.1.31
[INFO] [stderr]   Downloaded serde v1.0.12
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded csv v1.0.0-beta.4
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c012f4d8b52c891014b9400c15d3b6881c6e0f9362cdb4e829dc03ab8823bdb2
[INFO] running `Command { std: "docker" "start" "-a" "c012f4d8b52c891014b9400c15d3b6881c6e0f9362cdb4e829dc03ab8823bdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c012f4d8b52c891014b9400c15d3b6881c6e0f9362cdb4e829dc03ab8823bdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c012f4d8b52c891014b9400c15d3b6881c6e0f9362cdb4e829dc03ab8823bdb2", kill_on_drop: false }`
[INFO] [stdout] c012f4d8b52c891014b9400c15d3b6881c6e0f9362cdb4e829dc03ab8823bdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f47fdc4988b6c486b932abe2e03944bdf11d40ad513931c26623e03f7217883
[INFO] running `Command { std: "docker" "start" "-a" "3f47fdc4988b6c486b932abe2e03944bdf11d40ad513931c26623e03f7217883", 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<Vec<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Vec<Deck>, Box<dyn Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result<HashSet<Deck>, Box<dyn Error>> {
[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<Deck, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Deck, Box<dyn Error>> {
[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<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<dyn Error>> {
[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<Vec<Deck>, Box<Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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<Deck, Box<Error>> {
[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<Error>> {
[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<u16> {
[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 5.36s
[INFO] running `Command { std: "docker" "inspect" "3f47fdc4988b6c486b932abe2e03944bdf11d40ad513931c26623e03f7217883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f47fdc4988b6c486b932abe2e03944bdf11d40ad513931c26623e03f7217883", kill_on_drop: false }`
[INFO] [stdout] 3f47fdc4988b6c486b932abe2e03944bdf11d40ad513931c26623e03f7217883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 599888568a873d30c0179d89c660872e485b03cd47d21ba26a2838f5338b137d
[INFO] running `Command { std: "docker" "start" "-a" "599888568a873d30c0179d89c660872e485b03cd47d21ba26a2838f5338b137d", 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<Vec<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Vec<Deck>, Box<dyn Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]      |
[INFO] [stdout] 1170 | fn computed_decks(filename: &str) -> Result<HashSet<Deck>, Box<dyn Error>> {
[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<Deck, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Deck, Box<dyn Error>> {
[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<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<dyn Error>> {
[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<Vec<Deck>, Box<Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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<Deck, Box<Error>> {
[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<Error>> {
[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<u16> {
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "599888568a873d30c0179d89c660872e485b03cd47d21ba26a2838f5338b137d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599888568a873d30c0179d89c660872e485b03cd47d21ba26a2838f5338b137d", kill_on_drop: false }`
[INFO] [stdout] 599888568a873d30c0179d89c660872e485b03cd47d21ba26a2838f5338b137d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38e4524d85311378b0b62f96f2653fdeba1e1a195516c311d5c8aff7fccbc804
[INFO] running `Command { std: "docker" "start" "-a" "38e4524d85311378b0b62f96f2653fdeba1e1a195516c311d5c8aff7fccbc804", 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<Vec<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Vec<Deck>, Box<dyn Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]      |
[INFO] [stderr] 1170 | fn computed_decks(filename: &str) -> Result<HashSet<Deck>, Box<dyn Error>> {
[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<Deck, Box<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<Deck, Box<dyn Error>> {
[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<Error>> {
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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<dyn Error>> {
[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<Vec<Deck>, Box<Error>> {
[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<HashSet<Deck>, Box<Error>> {
[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<Deck, Box<Error>> {
[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<Error>> {
[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<u16> {
[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" -p blackjack_sim --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack_sim-1c72b2221b4033d1)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[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 test_card_prob ... ok
[INFO] [stdout] test test_dealer_stands ... ok
[INFO] [stdout] test test_double_expectation ... ok
[INFO] [stdout] test greater_value_wins ... ok
[INFO] [stdout] test five_card_charlie_beats_value ... 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 soft_hand_values ... ok
[INFO] [stdout] test hard_hand_values ... ok
[INFO] [stdout] test test_insurance_expectation ... ok
[INFO] [stdout] test test_hand_expectation ... ok
[INFO] [stdout] test test_first_split_hand_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_invalid_hit_expectation - should panic ... ok
[INFO] [stdout] test test_invalid_draw - should panic ... ok
[INFO] [stdout] test test_non_starting_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_invalid_replace_from - should panic ... ok
[INFO] [stdout] test test_not_two_cards_split_expectation - should panic ... ok
[INFO] [stdout] test test_replace ... ok
[INFO] [stdout] test test_is_split_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_non_ace_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_not_failed_insurance_split_expectation - should panic ... ok
[INFO] [stdout] test test_invalid_draw_to - should panic ... ok
[INFO] [stdout] test test_valid_draw_to ... 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_stand_expectation ... ok
[INFO] [stdout] test test_valid_draw ... 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 test_reshuffle_deck ... FAILED
[INFO] [stdout] test test_score ... ok
[INFO] [stdout] test test_hit_expectation ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin blackjack_sim`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_reshuffle_deck stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_reshuffle_deck' (45) panicked at src/main.rs:868:5:
[INFO] [stdout] assertion failed: 49 == state.deck.size
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e88ac7d6e12 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e88ac7d6e12 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e88ac7d6e12 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e88ac7d6e12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e88ac7e762a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e88ac7e762a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5e88ac7a5a46 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e88ac7a5a46 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e88ac7b6249 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e88ac7b6249 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e88ac7b60e1 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e88ac779eee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5e88ac779eee - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e88ac7b64c2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5e88ac7b64c2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e88ac7b633a - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5e88ac7b1839 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e88ac79a87d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e88ac7ee9bc - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e88ac7ee982 - core::panicking::panic::hbff2745fd4c5afec
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5e88ac75040a - blackjack_sim::test_reshuffle_deck::h36f7a57827f19f7c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:868:5
[INFO] [stdout]   21:     0x5e88ac7507c7 - blackjack_sim::test_reshuffle_deck::{{closure}}::h57b8dbbcf3b5de90
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:855:25
[INFO] [stdout]   22:     0x5e88ac747386 - core::ops::function::FnOnce::call_once::h13fbedb618e3ae8d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5e88ac779cab - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5e88ac779cab - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5e88ac78d6ba - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5e88ac78d6ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5e88ac78d6ba - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5e88ac78d6ba - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5e88ac78d6ba - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5e88ac78d6ba - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5e88ac78d6ba - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5e88ac767b14 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5e88ac767b14 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5e88ac76b4b2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5e88ac76b4b2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5e88ac76b4b2 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5e88ac76b4b2 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5e88ac76b4b2 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5e88ac76b4b2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5e88ac76b4b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5e88ac7acacf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5e88ac7acacf - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x79ec15fb1aa4 - <unknown>
[INFO] [stdout]   44:     0x79ec1603ea64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[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 10.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38e4524d85311378b0b62f96f2653fdeba1e1a195516c311d5c8aff7fccbc804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e4524d85311378b0b62f96f2653fdeba1e1a195516c311d5c8aff7fccbc804", kill_on_drop: false }`
[INFO] [stdout] 38e4524d85311378b0b62f96f2653fdeba1e1a195516c311d5c8aff7fccbc804
