[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#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[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 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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 redox_syscall v0.1.31
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded csv-core v0.1.3
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.12
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] [stderr]   Downloaded csv v1.0.0-beta.4
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb0763a9c84c37cd4ce83ca546771e687b9db8167b82a7243c8aaf24e610cb0
[INFO] running `Command { std: "docker" "start" "-a" "9bb0763a9c84c37cd4ce83ca546771e687b9db8167b82a7243c8aaf24e610cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bb0763a9c84c37cd4ce83ca546771e687b9db8167b82a7243c8aaf24e610cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb0763a9c84c37cd4ce83ca546771e687b9db8167b82a7243c8aaf24e610cb0", kill_on_drop: false }`
[INFO] [stdout] 9bb0763a9c84c37cd4ce83ca546771e687b9db8167b82a7243c8aaf24e610cb0
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd24234abb68a90c36add2e03341bd760734b5f879e0434b5f8b990efeae376
[INFO] running `Command { std: "docker" "start" "-a" "4cd24234abb68a90c36add2e03341bd760734b5f879e0434b5f8b990efeae376", 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 time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.16
[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 3.83s
[INFO] running `Command { std: "docker" "inspect" "4cd24234abb68a90c36add2e03341bd760734b5f879e0434b5f8b990efeae376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd24234abb68a90c36add2e03341bd760734b5f879e0434b5f8b990efeae376", kill_on_drop: false }`
[INFO] [stdout] 4cd24234abb68a90c36add2e03341bd760734b5f879e0434b5f8b990efeae376
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c25e1d96b46680fa13f021c4ad286ddf54384f49f1920e636ffe3350f89dc2
[INFO] running `Command { std: "docker" "start" "-a" "04c25e1d96b46680fa13f021c4ad286ddf54384f49f1920e636ffe3350f89dc2", 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "04c25e1d96b46680fa13f021c4ad286ddf54384f49f1920e636ffe3350f89dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c25e1d96b46680fa13f021c4ad286ddf54384f49f1920e636ffe3350f89dc2", kill_on_drop: false }`
[INFO] [stdout] 04c25e1d96b46680fa13f021c4ad286ddf54384f49f1920e636ffe3350f89dc2
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12d3761c9a66a91cbd684e2d16ca3907baab9adc70fda8f97b5a3362fc896d48
[INFO] running `Command { std: "docker" "start" "-a" "12d3761c9a66a91cbd684e2d16ca3907baab9adc70fda8f97b5a3362fc896d48", 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] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 37 tests
[INFO] [stderr] warning: function `random_deck` is never used
[INFO] [stdout] test five_card_charlie_beats_value ... ok
[INFO] [stderr]     --> src/main.rs:1196:4
[INFO] [stdout] test five_card_charlie_loses_to_natural ... ok
[INFO] [stderr]      |
[INFO] [stdout] test greater_five_card_charlie_wins ... ok
[INFO] [stderr] 1196 | fn random_deck(samples_path: &str, data_path: &str) -> Result<Deck, Box<Error>> {
[INFO] [stdout] test greater_value_wins ... ok
[INFO] [stderr]      |    ^^^^^^^^^^^
[INFO] [stdout] test min_hand_values ... ok
[INFO] [stderr] 
[INFO] [stdout] test hard_hand_values ... ok
[INFO] [stderr] warning: function `append_advantage_data` is never used
[INFO] [stdout] test natural_beats_five_card_charlie ... ok
[INFO] [stderr]     --> src/main.rs:1211:4
[INFO] [stdout] test test_card_prob ... ok
[INFO] [stderr]      |
[INFO] [stdout] test test_double_expectation ... ok
[INFO] [stderr] 1211 | fn append_advantage_data(data_path: &str, deck: Deck, advantage: f32) -> Result<(), Box<Error>> {
[INFO] [stdout] test test_dealer_scores ... ok
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test soft_hand_values ... ok
[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 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blackjack_sim-32678c124f24c209)
[INFO] [stdout] test test_dealer_stands ... ok
[INFO] [stdout] test equal_values_are_equal ... ok
[INFO] [stdout] test test_insurance_expectation ... ok
[INFO] [stdout] test test_replace ... ok
[INFO] [stdout] test test_hand_expectation ... ok
[INFO] [stdout] test test_score ... ok
[INFO] [stdout] test test_stand_expectation ... ok
[INFO] [stdout] test test_valid_draw ... ok
[INFO] [stdout] test test_valid_draw_to ... ok
[INFO] [stdout] test two_naturals_equal ... ok
[INFO] [stdout] test value_beats_bust ... ok
[INFO] [stdout] test test_valid_replace_from ... 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_ace_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_not_failed_insurance_split_expectation - should panic ... ok
[INFO] [stdout] test test_not_two_cards_split_expectation - should panic ... ok
[INFO] [stdout] test test_not_same_cards_split_expectation - should panic ... ok
[INFO] [stdout] test test_not_is_split_split_expectation - should panic ... ok
[INFO] [stdout] test test_non_starting_insurance_expectation - should panic ... ok
[INFO] [stdout] test test_reshuffle_deck ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin blackjack_sim`
[INFO] [stdout] test test_hit_expectation ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_reshuffle_deck stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_reshuffle_deck' (54) panicked at src/main.rs:868:5:
[INFO] [stdout] assertion failed: 49 == state.deck.size
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b9413e46072 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b9413e46072 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b9413e46072 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b9413e46072 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b9413e5b0ca - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b9413e5b0ca - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5b9413e4af56 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b9413e4af56 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5b9413e2453f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b9413e2453f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b9413e3e359 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5b9413dd92ee - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5b9413dd92ee - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b9413e3e512 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5b9413e3e512 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5b9413e2462a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5b9413e1bf99 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5b9413e2544d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5b9413e5b79c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b9413e5b762 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5b9413dc3189 - blackjack_sim[91d0cca3f7f2f5c4]::test_reshuffle_deck
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:868:5
[INFO] [stdout]   21:     0x5b9413dbe6c7 - blackjack_sim[91d0cca3f7f2f5c4]::test_reshuffle_deck::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:855:25
[INFO] [stdout]   22:     0x5b9413dbdcc6 - <blackjack_sim[91d0cca3f7f2f5c4]::test_reshuffle_deck::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5b9413dcd69b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b9413dcd69b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5b9413dd9efa - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5b9413dd9efa - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5b9413dd9efa - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5b9413dd9efa - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5b9413dd9efa - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5b9413dd9efa - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5b9413dd9efa - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5b9413dd43c4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5b9413dd43c4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5b9413ddc9f2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x5b9413ddc9f2 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5b9413ddc9f2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5b9413ddc9f2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5b9413ddc9f2 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5b9413ddc9f2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x5b9413ddc9f2 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5b9413e4591f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x5b9413e4591f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x776e9f133aa4 - <unknown>
[INFO] [stdout]   44:     0x776e9f1c0a64 - 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 9.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12d3761c9a66a91cbd684e2d16ca3907baab9adc70fda8f97b5a3362fc896d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d3761c9a66a91cbd684e2d16ca3907baab9adc70fda8f97b5a3362fc896d48", kill_on_drop: false }`
[INFO] [stdout] 12d3761c9a66a91cbd684e2d16ca3907baab9adc70fda8f97b5a3362fc896d48
