[INFO] cloning repository https://github.com/CeNiEi/hexagon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CeNiEi/hexagon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeNiEi%2Fhexagon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeNiEi%2Fhexagon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a64129f5e027153d2870cf7bfcf153523d2605f2
[INFO] building CeNiEi/hexagon against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeNiEi%2Fhexagon" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CeNiEi/hexagon on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CeNiEi/hexagon
[INFO] finished tweaking git repo https://github.com/CeNiEi/hexagon
[INFO] tweaked toml for git repo https://github.com/CeNiEi/hexagon written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CeNiEi/hexagon 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.26.1
[INFO] [stderr]   Downloaded lru v0.12.2
[INFO] [stderr]   Downloaded stability v0.1.1
[INFO] [stderr]   Downloaded strum_macros v0.26.1
[INFO] [stderr]   Downloaded castaway v0.2.2
[INFO] [stderr]   Downloaded ratatui v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9646300ad460d28955d553aadf62141d6e824a2cb7e149550f989cee0cdf0ac5
[INFO] running `Command { std: "docker" "start" "-a" "9646300ad460d28955d553aadf62141d6e824a2cb7e149550f989cee0cdf0ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9646300ad460d28955d553aadf62141d6e824a2cb7e149550f989cee0cdf0ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9646300ad460d28955d553aadf62141d6e824a2cb7e149550f989cee0cdf0ac5", kill_on_drop: false }`
[INFO] [stdout] 9646300ad460d28955d553aadf62141d6e824a2cb7e149550f989cee0cdf0ac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93188edf6e153db3418430e8de187fe8cc1e12c1bcad3c5d849bb3938583ebef
[INFO] running `Command { std: "docker" "start" "-a" "93188edf6e153db3418430e8de187fe8cc1e12c1bcad3c5d849bb3938583ebef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling castaway v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling lru v0.12.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling strum_macros v0.26.1
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]    Compiling strum v0.26.1
[INFO] [stderr]    Compiling ratatui v0.26.0
[INFO] [stderr]    Compiling hexagon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/backend/board.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Line`, `Text`, and `layout::Alignment`
[INFO] [stdout]  --> src/backend/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     style::Color,
[INFO] [stdout] 9 |     text::{Line, Text},
[INFO] [stdout]   |            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/backend/cell/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::Hash, ops::Sub};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/backend/piece/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{board::Board, cell::Cell, moves::Move};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/bishop.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/king.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]   --> src/backend/piece/king.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cell::Cell,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/knight.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/backend/piece/knight.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cell::Cell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/pawn.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/queen.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/rook.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Constraint` and `Layout`
[INFO] [stdout]  --> src/frontend/ui.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::{Constraint, Layout},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `occupant_mut` is never used
[INFO] [stdout]   --> src/backend/board.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<P> Entry<P> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn occupant_mut(&mut self) -> Option<&mut P> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `test_directions` and `reset` are never used
[INFO] [stdout]    --> src/backend/board.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 258 |     pub(crate) fn test_directions(&mut self, direction: Direction) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn reset(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ValidMove` and `InvalidMove` are never constructed
[INFO] [stdout]   --> src/backend/cell/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) enum HighlightLevel {
[INFO] [stdout]    |                 -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     ValidMove,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 32 |     InvalidMove,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HighlightLevel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/backend/moves.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EnPassant(Cell),
[INFO] [stdout]   |     --------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EnPassant(()),
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exit` is never used
[INFO] [stdout]   --> src/frontend/tui.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Tui {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) fn exit(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "93188edf6e153db3418430e8de187fe8cc1e12c1bcad3c5d849bb3938583ebef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93188edf6e153db3418430e8de187fe8cc1e12c1bcad3c5d849bb3938583ebef", kill_on_drop: false }`
[INFO] [stdout] 93188edf6e153db3418430e8de187fe8cc1e12c1bcad3c5d849bb3938583ebef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc8bcf55c7e43c0a538392ceac2c2f1c6ecfa1600090e4fc09b0b3f161f4cd8d
[INFO] running `Command { std: "docker" "start" "-a" "bc8bcf55c7e43c0a538392ceac2c2f1c6ecfa1600090e4fc09b0b3f161f4cd8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexagon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/backend/board.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Line`, `Text`, and `layout::Alignment`
[INFO] [stdout]  --> src/backend/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     layout::Alignment,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     style::Color,
[INFO] [stdout] 9 |     text::{Line, Text},
[INFO] [stdout]   |            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/backend/cell/mod.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::Hash, ops::Sub};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/backend/piece/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{board::Board, cell::Cell, moves::Move};
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/bishop.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/king.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]   --> src/backend/piece/king.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cell::Cell,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/knight.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/backend/piece/knight.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cell::Cell,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/pawn.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/queen.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Style` and `Stylize`
[INFO] [stdout]  --> src/backend/piece/rook.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     style::{Color, Style, Stylize},
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Constraint` and `Layout`
[INFO] [stdout]  --> src/frontend/ui.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     layout::{Constraint, Layout},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `occupant_mut` is never used
[INFO] [stdout]   --> src/backend/board.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<P> Entry<P> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub(crate) fn occupant_mut(&mut self) -> Option<&mut P> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `test_directions` and `reset` are never used
[INFO] [stdout]    --> src/backend/board.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 258 |     pub(crate) fn test_directions(&mut self, direction: Direction) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     pub(crate) fn reset(&mut self) {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ValidMove` and `InvalidMove` are never constructed
[INFO] [stdout]   --> src/backend/cell/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) enum HighlightLevel {
[INFO] [stdout]    |                 -------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     ValidMove,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 32 |     InvalidMove,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HighlightLevel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/backend/moves.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EnPassant(Cell),
[INFO] [stdout]   |     --------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 |     EnPassant(()),
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `exit` is never used
[INFO] [stdout]   --> src/frontend/tui.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Tui {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) fn exit(&mut self) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "bc8bcf55c7e43c0a538392ceac2c2f1c6ecfa1600090e4fc09b0b3f161f4cd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8bcf55c7e43c0a538392ceac2c2f1c6ecfa1600090e4fc09b0b3f161f4cd8d", kill_on_drop: false }`
[INFO] [stdout] bc8bcf55c7e43c0a538392ceac2c2f1c6ecfa1600090e4fc09b0b3f161f4cd8d
