[INFO] cloning repository https://github.com/santanderelias/sol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/santanderelias/sol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantanderelias%2Fsol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantanderelias%2Fsol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef95b2e76992c48ba7f9a9764934c68b8b623e25
[INFO] testing santanderelias/sol against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantanderelias%2Fsol" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/santanderelias/sol
[INFO] finished tweaking git repo https://github.com/santanderelias/sol
[INFO] tweaked toml for git repo https://github.com/santanderelias/sol written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/santanderelias/sol on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/santanderelias/sol 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c05747435ee130fa2a4f5c3d553bfbaf2dd0c956e77dc2eb2bc0049fb038e69a
[INFO] running `Command { std: "docker" "start" "-a" "c05747435ee130fa2a4f5c3d553bfbaf2dd0c956e77dc2eb2bc0049fb038e69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c05747435ee130fa2a4f5c3d553bfbaf2dd0c956e77dc2eb2bc0049fb038e69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05747435ee130fa2a4f5c3d553bfbaf2dd0c956e77dc2eb2bc0049fb038e69a", kill_on_drop: false }`
[INFO] [stdout] c05747435ee130fa2a4f5c3d553bfbaf2dd0c956e77dc2eb2bc0049fb038e69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68cef6df2d20aaf910490ba2c5ef459fde1faea567203c69fde28eb90d0823d5
[INFO] running `Command { std: "docker" "start" "-a" "68cef6df2d20aaf910490ba2c5ef459fde1faea567203c69fde28eb90d0823d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling emoji_japanese_learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/emoji_renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[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: `PlacementTestState`
[INFO] [stdout]   --> src/main.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 | use placement_test::{mark_group_as_mastered, PlacementTestState};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word_id`
[INFO] [stdout]    --> src/main.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 |     for (word_id, word) in &group_words {
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required`
[INFO] [stdout]    --> src/main.rs:366:28
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let (mature_count, required) = game_state.get_mastery_progress(&sr);
[INFO] [stdout]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MasteryLevel` is never used
[INFO] [stdout]   --> src/word_data.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MasteryLevel {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mastery_level` is never used
[INFO] [stdout]   --> src/word_data.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl WordStats {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_mastery_level(&self) -> MasteryLevel {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_total_correct_for_groups` are never used
[INFO] [stdout]    --> src/spaced_repetition.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout]   8 | impl SpacedRepetition {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]   9 |     pub fn new(word_count: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn get_total_correct_for_groups(&self, word_ids: &[usize]) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/emoji_renderer.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl EmojiRenderer {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn render(&self, emoji: &str) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlacementTestState` is never constructed
[INFO] [stdout]  --> src/placement_test.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PlacementTestState {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `mark_group_completed`, and `is_complete` are never used
[INFO] [stdout]   --> src/placement_test.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PlacementTestState {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn mark_group_completed(&mut self, group: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_complete(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "68cef6df2d20aaf910490ba2c5ef459fde1faea567203c69fde28eb90d0823d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68cef6df2d20aaf910490ba2c5ef459fde1faea567203c69fde28eb90d0823d5", kill_on_drop: false }`
[INFO] [stdout] 68cef6df2d20aaf910490ba2c5ef459fde1faea567203c69fde28eb90d0823d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 195edb3cb45cd4e464d2f8cbc26e99c5491842fe1f13b3b0131035272e44f28a
[INFO] running `Command { std: "docker" "start" "-a" "195edb3cb45cd4e464d2f8cbc26e99c5491842fe1f13b3b0131035272e44f28a", kill_on_drop: false }`
[INFO] [stderr]    Compiling emoji_japanese_learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/emoji_renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[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: `PlacementTestState`
[INFO] [stdout]   --> src/main.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 | use placement_test::{mark_group_as_mastered, PlacementTestState};
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word_id`
[INFO] [stdout]    --> src/main.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 |     for (word_id, word) in &group_words {
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required`
[INFO] [stdout]    --> src/main.rs:366:28
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let (mature_count, required) = game_state.get_mastery_progress(&sr);
[INFO] [stdout]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MasteryLevel` is never used
[INFO] [stdout]   --> src/word_data.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum MasteryLevel {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mastery_level` is never used
[INFO] [stdout]   --> src/word_data.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl WordStats {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_mastery_level(&self) -> MasteryLevel {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_total_correct_for_groups` are never used
[INFO] [stdout]    --> src/spaced_repetition.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout]   8 | impl SpacedRepetition {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]   9 |     pub fn new(word_count: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn get_total_correct_for_groups(&self, word_ids: &[usize]) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/emoji_renderer.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl EmojiRenderer {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn render(&self, emoji: &str) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlacementTestState` is never constructed
[INFO] [stdout]  --> src/placement_test.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct PlacementTestState {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `mark_group_completed`, and `is_complete` are never used
[INFO] [stdout]   --> src/placement_test.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl PlacementTestState {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn mark_group_completed(&mut self, group: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_complete(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "195edb3cb45cd4e464d2f8cbc26e99c5491842fe1f13b3b0131035272e44f28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195edb3cb45cd4e464d2f8cbc26e99c5491842fe1f13b3b0131035272e44f28a", kill_on_drop: false }`
[INFO] [stdout] 195edb3cb45cd4e464d2f8cbc26e99c5491842fe1f13b3b0131035272e44f28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51dee6d9b6e8df3d1a2169edc889af27277a005b88eb3b026f6f8e95e2909d37
[INFO] running `Command { std: "docker" "start" "-a" "51dee6d9b6e8df3d1a2169edc889af27277a005b88eb3b026f6f8e95e2909d37", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `colored::Colorize`
[INFO] [stderr]  --> src/emoji_renderer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use colored::Colorize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PlacementTestState`
[INFO] [stderr]   --> src/main.rs:17:46
[INFO] [stderr]    |
[INFO] [stderr] 17 | use placement_test::{mark_group_as_mastered, PlacementTestState};
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `word_id`
[INFO] [stderr]    --> src/main.rs:220:10
[INFO] [stderr]     |
[INFO] [stderr] 220 |     for (word_id, word) in &group_words {
[INFO] [stderr]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `required`
[INFO] [stderr]    --> src/main.rs:366:28
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let (mature_count, required) = game_state.get_mastery_progress(&sr);
[INFO] [stderr]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MasteryLevel` is never used
[INFO] [stderr]   --> src/word_data.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum MasteryLevel {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_mastery_level` is never used
[INFO] [stderr]   --> src/word_data.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl WordStats {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn get_mastery_level(&self) -> MasteryLevel {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_total_correct_for_groups` are never used
[INFO] [stderr]    --> src/spaced_repetition.rs:9:12
[INFO] [stderr]     |
[INFO] [stderr]   8 | impl SpacedRepetition {
[INFO] [stderr]     | --------------------- associated items in this implementation
[INFO] [stderr]   9 |     pub fn new(word_count: usize) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 114 |     pub fn get_total_correct_for_groups(&self, word_ids: &[usize]) -> u32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `render` is never used
[INFO] [stderr]   --> src/emoji_renderer.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl EmojiRenderer {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn render(&self, emoji: &str) -> String {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PlacementTestState` is never constructed
[INFO] [stderr]  --> src/placement_test.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct PlacementTestState {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `mark_group_completed`, and `is_complete` are never used
[INFO] [stderr]   --> src/placement_test.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl PlacementTestState {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn mark_group_completed(&mut self, group: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn is_complete(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `emoji_japanese_learner` (bin "emoji_japanese_learner" test) generated 10 warnings (run `cargo fix --bin "emoji_japanese_learner" -p emoji_japanese_learner --tests` to apply 4 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/emoji_japanese_learner-1bee836dd946c5a5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test input_validator::tests::test_incorrect_input ... ok
[INFO] [stdout] test input_validator::tests::test_kanji_input ... ok
[INFO] [stdout] test input_validator::tests::test_whitespace_handling ... ok
[INFO] [stdout] test input_validator::tests::test_romanji_input ... ok
[INFO] [stdout] test input_validator::tests::test_japanese_input ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- input_validator::tests::test_japanese_input stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'input_validator::tests::test_japanese_input' (26) panicked at src/input_validator.rs:39:9:
[INFO] [stdout] assertion failed: is_correct_answer("ネコ", "ねこ", "neko", Some("猫"))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602e9338c4f2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602e9338c4f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602e9338c4f2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x602e9338c4f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x602e9339d23a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x602e9339d23a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x602e9335b476 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x602e9335b476 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x602e9336b9d9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x602e9336b9d9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x602e9336b871 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x602e9332d04e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x602e9332d04e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x602e9336bc52 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x602e9336bc52 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x602e9336baca - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x602e93367029 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x602e9335006d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x602e933a48ac - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x602e933a4872 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x602e933024b2 - emoji_japanese_learner::input_validator::tests::test_japanese_input::h1d8fe406cb7374b7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/input_validator.rs:39:9
[INFO] [stdout]   21:     0x602e933024d7 - emoji_japanese_learner::input_validator::tests::test_japanese_input::{{closure}}::h22534d24e6e1f8ea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/input_validator.rs:37:29
[INFO] [stdout]   22:     0x602e93302aa6 - core::ops::function::FnOnce::call_once::hf60cc00967fe53a9
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x602e9332ce4b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x602e9332ce4b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x602e9334081a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x602e9334081a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x602e9334081a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x602e9334081a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x602e9334081a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x602e9334081a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x602e9334081a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x602e9331ac74 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x602e9331ac74 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x602e9331e532 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x602e9331e532 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x602e9331e532 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x602e9331e532 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x602e9331e532 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x602e9331e532 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x602e9331e532 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x602e933622bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x602e933622bf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7dfb932a0aa4 - <unknown>
[INFO] [stdout]   44:     0x7dfb9332da64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     input_validator::tests::test_japanese_input
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin emoji_japanese_learner`
[INFO] running `Command { std: "docker" "inspect" "51dee6d9b6e8df3d1a2169edc889af27277a005b88eb3b026f6f8e95e2909d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dee6d9b6e8df3d1a2169edc889af27277a005b88eb3b026f6f8e95e2909d37", kill_on_drop: false }`
[INFO] [stdout] 51dee6d9b6e8df3d1a2169edc889af27277a005b88eb3b026f6f8e95e2909d37
