[INFO] cloning repository https://github.com/Divhanthelion/stockfish-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Divhanthelion/stockfish-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivhanthelion%2Fstockfish-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivhanthelion%2Fstockfish-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ec846ab843a1ae5e5ec758b062c1908c687174
[INFO] checking Divhanthelion/stockfish-chess against master#3b1b0ef4d80d3117924d91352c8b6ca528708b3c for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDivhanthelion%2Fstockfish-chess" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Divhanthelion/stockfish-chess
[INFO] finished tweaking git repo https://github.com/Divhanthelion/stockfish-chess
[INFO] tweaked toml for git repo https://github.com/Divhanthelion/stockfish-chess written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Divhanthelion/stockfish-chess on toolchain 3b1b0ef4d80d3117924d91352c8b6ca528708b3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Divhanthelion/stockfish-chess 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" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bacb50e61422e901a047b6100eeee0ac97ef495c8a492a33e80c0ce4c03776ef
[INFO] running `Command { std: "docker" "start" "-a" "bacb50e61422e901a047b6100eeee0ac97ef495c8a492a33e80c0ce4c03776ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bacb50e61422e901a047b6100eeee0ac97ef495c8a492a33e80c0ce4c03776ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacb50e61422e901a047b6100eeee0ac97ef495c8a492a33e80c0ce4c03776ef", kill_on_drop: false }`
[INFO] [stdout] bacb50e61422e901a047b6100eeee0ac97ef495c8a492a33e80c0ce4c03776ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d5a61bb90f6623ec8f14fa0199eed114c9ce0abed33f7d26d27b1f7f1fee1a
[INFO] running `Command { std: "docker" "start" "-a" "45d5a61bb90f6623ec8f14fa0199eed114c9ce0abed33f7d26d27b1f7f1fee1a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `StudyManager`
[INFO] [stdout]  --> src/app.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::study::{Study, StudyManager};
[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: `Response`
[INFO] [stdout]  --> src/ui/board.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pos2, vec2, Color32, Id, Rect, Response, Sense, Stroke, Ui,
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StudyManager`
[INFO] [stdout]  --> src/app.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::study::{Study, StudyManager};
[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: `Response`
[INFO] [stdout]  --> src/ui/board.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pos2, vec2, Color32, Id, Rect, Response, Sense, Stroke, Ui,
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ponder` is never read
[INFO] [stdout]   --> src/engine/actor.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     BestMove {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 32 |         best_move: String,
[INFO] [stdout] 33 |         ponder: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time_ms` is never read
[INFO] [stdout]   --> src/engine/actor.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Info {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 41 |         time_ms: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `approximate_elo` is never used
[INFO] [stdout]   --> src/engine/difficulty.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl DifficultyLevel {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn approximate_elo(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `make_move_san`, `go_to_position`, and `all_pieces` are never used
[INFO] [stdout]    --> src/game/state.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout]  90 | impl GameState {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn make_move_san(&mut self, san_str: &str) -> Result<MoveRecord, GameError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn go_to_position(&mut self, index: usize) -> Result<(), GameError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 340 |     pub fn all_pieces(&self) -> impl Iterator<Item = (Square, Role, Color)> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_child` is never used
[INFO] [stdout]   --> src/study/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl StudyNode {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn add_child(&mut self, move_record: MoveRecord, fen: String) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_go_back` is never used
[INFO] [stdout]    --> src/study/mod.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl StudyChapter {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn can_go_back(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete_study` is never used
[INFO] [stdout]    --> src/study/mod.rs:354:12
[INFO] [stdout]     |
[INFO] [stdout] 312 | impl StudyManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 354 |     pub fn delete_study(&self, id: &str) -> Result<(), std::io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_size` is never read
[INFO] [stdout]   --> src/ui/pieces.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct PieceRenderer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     current_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invalidate_cache` and `set_size` are never used
[INFO] [stdout]    --> src/ui/pieces.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl PieceRenderer {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn invalidate_cache(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn set_size(&mut self, size: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_display_lines` and `set_display_lines` are never used
[INFO] [stdout]    --> src/ui/analysis.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl AnalysisPanel {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |     pub fn get_display_lines(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |     pub fn set_display_lines(&mut self, n: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ponder` is never read
[INFO] [stdout]   --> src/engine/actor.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     BestMove {
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 32 |         best_move: String,
[INFO] [stdout] 33 |         ponder: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time_ms` is never read
[INFO] [stdout]   --> src/engine/actor.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Info {
[INFO] [stdout]    |     ---- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 41 |         time_ms: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EngineEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `approximate_elo` is never used
[INFO] [stdout]   --> src/engine/difficulty.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl DifficultyLevel {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn approximate_elo(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `go_to_position` and `all_pieces` are never used
[INFO] [stdout]    --> src/game/state.rs:293:12
[INFO] [stdout]     |
[INFO] [stdout]  90 | impl GameState {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 293 |     pub fn go_to_position(&mut self, index: usize) -> Result<(), GameError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 340 |     pub fn all_pieces(&self) -> impl Iterator<Item = (Square, Role, Color)> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_child` is never used
[INFO] [stdout]   --> src/study/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl StudyNode {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn add_child(&mut self, move_record: MoveRecord, fen: String) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_go_back` is never used
[INFO] [stdout]    --> src/study/mod.rs:200:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl StudyChapter {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn can_go_back(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delete_study` is never used
[INFO] [stdout]    --> src/study/mod.rs:354:12
[INFO] [stdout]     |
[INFO] [stdout] 312 | impl StudyManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 354 |     pub fn delete_study(&self, id: &str) -> Result<(), std::io::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_size` is never read
[INFO] [stdout]   --> src/ui/pieces.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct PieceRenderer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     current_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invalidate_cache` and `set_size` are never used
[INFO] [stdout]    --> src/ui/pieces.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout]  44 | impl PieceRenderer {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn invalidate_cache(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn set_size(&mut self, size: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_display_lines` and `set_display_lines` are never used
[INFO] [stdout]    --> src/ui/analysis.rs:309:12
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl AnalysisPanel {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 309 |     pub fn get_display_lines(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |     pub fn set_display_lines(&mut self, n: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "45d5a61bb90f6623ec8f14fa0199eed114c9ce0abed33f7d26d27b1f7f1fee1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d5a61bb90f6623ec8f14fa0199eed114c9ce0abed33f7d26d27b1f7f1fee1a", kill_on_drop: false }`
[INFO] [stdout] 45d5a61bb90f6623ec8f14fa0199eed114c9ce0abed33f7d26d27b1f7f1fee1a