[INFO] cloning repository https://github.com/TrevorCow/wave_function_collapse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrevorCow/wave_function_collapse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrevorCow%2Fwave_function_collapse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrevorCow%2Fwave_function_collapse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93f51b90aebf869f761902372c10322f86c4a06a
[INFO] checking TrevorCow/wave_function_collapse against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrevorCow%2Fwave_function_collapse" "/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/TrevorCow/wave_function_collapse
[INFO] finished tweaking git repo https://github.com/TrevorCow/wave_function_collapse
[INFO] tweaked toml for git repo https://github.com/TrevorCow/wave_function_collapse written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TrevorCow/wave_function_collapse on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TrevorCow/wave_function_collapse 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.101
[INFO] [stderr]   Downloaded ravif v0.11.20
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.101
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.101
[INFO] [stderr]   Downloaded av1-grain v0.2.4
[INFO] [stderr]   Downloaded bitstream-io v2.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.101
[INFO] [stderr]   Downloaded imgref v1.11.0
[INFO] [stderr]   Downloaded cc v1.2.36
[INFO] [stderr]   Downloaded rand v0.10.0-rc.0
[INFO] [stderr]   Downloaded chacha20 v0.10.0-rc.2
[INFO] [stderr]   Downloaded built v0.7.7
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.1
[INFO] [stderr]   Downloaded moxcms v0.7.5
[INFO] [stderr]   Downloaded image v0.25.8
[INFO] [stderr]   Downloaded pxfm v0.1.23
[INFO] [stderr]   Downloaded rav1e v0.7.1
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c537843b0c149db86bcb343831a5e0a25885a81913f13d2357059a1b5a8d40be
[INFO] running `Command { std: "docker" "start" "-a" "c537843b0c149db86bcb343831a5e0a25885a81913f13d2357059a1b5a8d40be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c537843b0c149db86bcb343831a5e0a25885a81913f13d2357059a1b5a8d40be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c537843b0c149db86bcb343831a5e0a25885a81913f13d2357059a1b5a8d40be", kill_on_drop: false }`
[INFO] [stdout] c537843b0c149db86bcb343831a5e0a25885a81913f13d2357059a1b5a8d40be
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 188c0e4164906701602c35ebb20d3a8afa2d3f4337cf13943e1b090ff49ab5db
[INFO] running `Command { std: "docker" "start" "-a" "188c0e4164906701602c35ebb20d3a8afa2d3f4337cf13943e1b090ff49ab5db", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.38.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking weezl v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking avif-serialize v0.8.6
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]    Compiling sdl2 v0.38.0
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking bytemuck v1.23.2
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking chacha20 v0.10.0-rc.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking rand v0.10.0-rc.0
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking pxfm v0.1.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking moxcms v0.7.5
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking fax v0.2.6
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]     Checking av1-grain v0.2.4
[INFO] [stderr]     Checking ravif v0.11.20
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stderr]     Checking wave_function_collapse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[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] 108 -     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[INFO] [stdout] 108 +     pub fn as_piece_ops(&self) -> &dyn PieceOps  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:298:52
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout]     |                                                    ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 298 - pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout] 298 + pub fn get_piece_domain() -> &'static Vec<&'static dyn PieceOps > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:299:48
[INFO] [stdout]     |
[INFO] [stdout] 299 |     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout]     |                                                ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout] 299 +     static PIECE_DOMAIN: LazyLock<Vec<&'static dyn PieceOps >> = LazyLock::new(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[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] 108 -     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[INFO] [stdout] 108 +     pub fn as_piece_ops(&self) -> &dyn PieceOps  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:298:52
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout]     |                                                    ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 298 - pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout] 298 + pub fn get_piece_domain() -> &'static Vec<&'static dyn PieceOps > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:299:48
[INFO] [stdout]     |
[INFO] [stdout] 299 |     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout]     |                                                ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout] 299 +     static PIECE_DOMAIN: LazyLock<Vec<&'static dyn PieceOps >> = LazyLock::new(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/constraint_solver.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub struct SolverState {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 331 |     rng: SmallRng,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolverState` has a derived impl for the trait `Debug`, but this is 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: unused import: `IndexedRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[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] 108 -     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[INFO] [stdout] 108 +     pub fn as_piece_ops(&self) -> &dyn PieceOps  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:298:52
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout]     |                                                    ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 298 - pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout] 298 + pub fn get_piece_domain() -> &'static Vec<&'static dyn PieceOps > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:299:48
[INFO] [stdout]     |
[INFO] [stdout] 299 |     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout]     |                                                ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout] 299 +     static PIECE_DOMAIN: LazyLock<Vec<&'static dyn PieceOps >> = LazyLock::new(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/constraint_solver.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub struct SolverState {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 331 |     rng: SmallRng,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolverState` has a derived impl for the trait `Debug`, but this is 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: unused import: `SliceRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[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] 108 -     pub fn as_piece_ops(&self) -> &(dyn PieceOps) {
[INFO] [stdout] 108 +     pub fn as_piece_ops(&self) -> &dyn PieceOps  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:298:52
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout]     |                                                    ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 298 - pub fn get_piece_domain() -> &'static Vec<&'static (dyn PieceOps)> {
[INFO] [stdout] 298 + pub fn get_piece_domain() -> &'static Vec<&'static dyn PieceOps > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/piece.rs:299:48
[INFO] [stdout]     |
[INFO] [stdout] 299 |     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout]     |                                                ^            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -     static PIECE_DOMAIN: LazyLock<Vec<&'static (dyn PieceOps)>> = LazyLock::new(|| {
[INFO] [stdout] 299 +     static PIECE_DOMAIN: LazyLock<Vec<&'static dyn PieceOps >> = LazyLock::new(|| {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexedRandom`
[INFO] [stdout]  --> src/constraint_solver.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]   --> src/main.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if let Solved(cell) = grid.grid[y][x] {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/constraint_solver.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub struct SolverState {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 331 |     rng: SmallRng,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolverState` has a derived impl for the trait `Debug`, but this is 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: unused variable: `cell`
[INFO] [stdout]   --> src/main.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |             if let Solved(cell) = grid.grid[y][x] {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]    --> src/constraint_solver.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub struct SolverState {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 331 |     rng: SmallRng,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SolverState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "188c0e4164906701602c35ebb20d3a8afa2d3f4337cf13943e1b090ff49ab5db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188c0e4164906701602c35ebb20d3a8afa2d3f4337cf13943e1b090ff49ab5db", kill_on_drop: false }`
[INFO] [stdout] 188c0e4164906701602c35ebb20d3a8afa2d3f4337cf13943e1b090ff49ab5db
