[INFO] cloning repository https://github.com/shocoman/simple-nonogram-solver-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shocoman/simple-nonogram-solver-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshocoman%2Fsimple-nonogram-solver-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshocoman%2Fsimple-nonogram-solver-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f00381e0f7d12c2a5478bc7743ad1b4f3e244eb
[INFO] testing shocoman/simple-nonogram-solver-demo against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshocoman%2Fsimple-nonogram-solver-demo" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shocoman/simple-nonogram-solver-demo on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shocoman/simple-nonogram-solver-demo
[INFO] finished tweaking git repo https://github.com/shocoman/simple-nonogram-solver-demo
[INFO] tweaked toml for git repo https://github.com/shocoman/simple-nonogram-solver-demo written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/shocoman/simple-nonogram-solver-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aee1555e9a98881e2455b826074c59e2e0b6c491798bd2a6a77ea433b4fa8ad
[INFO] running `Command { std: "docker" "start" "-a" "1aee1555e9a98881e2455b826074c59e2e0b6c491798bd2a6a77ea433b4fa8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aee1555e9a98881e2455b826074c59e2e0b6c491798bd2a6a77ea433b4fa8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aee1555e9a98881e2455b826074c59e2e0b6c491798bd2a6a77ea433b4fa8ad", kill_on_drop: false }`
[INFO] [stdout] 1aee1555e9a98881e2455b826074c59e2e0b6c491798bd2a6a77ea433b4fa8ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ccaa3aa40891470118682bbb44e4d08bd0e517fa1627b82d1cf788fd64c5685
[INFO] running `Command { std: "docker" "start" "-a" "9ccaa3aa40891470118682bbb44e4d08bd0e517fa1627b82d1cf788fd64c5685", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling sapp-linux v0.1.12
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling ttf-parser v0.8.3
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling quad-rand v0.2.1
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glam v0.14.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling fontdue v0.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling miniquad v0.3.0-alpha.30
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling rodio v0.13.1
[INFO] [stderr]    Compiling macroquad v0.3.0
[INFO] [stderr]    Compiling nonogram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rule`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::board::{Board, Cell, Rule};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i32`
[INFO] [stdout]  --> src/board.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use macroquad::math::{bool, f32, i32};
[INFO] [stdout]   |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut board = nonogram_solver::run_nonogram_solver();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset_y`
[INFO] [stdout]    --> src/main.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |                     offset_y,
[INFO] [stdout]     |                     ^^^^^^^^ help: try ignoring the field: `offset_y: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]  --> src/nonogram_solver.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut rules = vec![
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules2`
[INFO] [stdout]   --> src/nonogram_solver.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let rules2 = vec![
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rules2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 .and_then(|mut cell| {
[INFO] [stdout]    |                            ----^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/nonogram_solver.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut rules = vec![
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nonogram_solver.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let mut board = Board::new(board_size.0, board_size.1, rules_w);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solver.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut rules = board.rules.clone();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/solver.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let mut regions =
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/solver.rs:115:56
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn fill_only_one_possible_hint_region(rule: &Rule, mut col_or_row: &mut Vec<&mut Cell>) {
[INFO] [stdout]     |                                                        ----^^^^^^^^^^
[INFO] [stdout]     |                                                        |
[INFO] [stdout]     |                                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/solver.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut open_regions = Board::get_consecutive_regions(&col_or_row, true, None);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_char`
[INFO] [stdout]   --> src/board.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn as_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_char`
[INFO] [stdout]   --> src/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_char(ch: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_board`
[INFO] [stdout]   --> src/board.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn print_board(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_first_cell_such_that`
[INFO] [stdout]    --> src/board.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn find_first_cell_such_that(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_board`
[INFO] [stdout]    --> src/board.rs:256:12
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn draw_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enclose_completed_region`
[INFO] [stdout]   --> src/solver.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn enclose_completed_region(rule: &Rule, col_or_row: &mut Vec<&mut Cell>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_only_one_possible_hint_region`
[INFO] [stdout]    --> src/solver.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn fill_only_one_possible_hint_region(rule: &Rule, mut col_or_row: &mut Vec<&mut Cell>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `block_intersection`
[INFO] [stdout]    --> src/solver.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub fn block_intersection(rule: &Rule, row: &mut Vec<&mut Cell>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/solver.rs:246:11
[INFO] [stdout]     |
[INFO] [stdout] 246 |     while i >= 0 {
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/solver.rs:259:20
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 if i >= 0 {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "9ccaa3aa40891470118682bbb44e4d08bd0e517fa1627b82d1cf788fd64c5685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccaa3aa40891470118682bbb44e4d08bd0e517fa1627b82d1cf788fd64c5685", kill_on_drop: false }`
[INFO] [stdout] 9ccaa3aa40891470118682bbb44e4d08bd0e517fa1627b82d1cf788fd64c5685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57200e89bd3c6d84a2ddfeb3945d43f3166af772462a1c612fa5aefd0e9c8274
[INFO] running `Command { std: "docker" "start" "-a" "57200e89bd3c6d84a2ddfeb3945d43f3166af772462a1c612fa5aefd0e9c8274", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nonogram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rule`
[INFO] [stdout]  --> src/main.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::board::{Board, Cell, Rule};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i32`
[INFO] [stdout]  --> src/board.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use macroquad::math::{bool, f32, i32};
[INFO] [stdout]   |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut board = nonogram_solver::run_nonogram_solver();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `block_intersection` found for struct `Board` in the current scope
[INFO] [stdout]   --> src/tests.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         Board::block_intersection(&rule, &mut ref_row);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ function or associated item not found in `Board`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/board.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Board {
[INFO] [stdout]    | ---------------- function or associated item `block_intersection` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `simple_boxes` found for struct `Board` in the current scope
[INFO] [stdout]   --> src/tests.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Board::simple_boxes(&hints, &mut ref_row);
[INFO] [stdout]    |                ^^^^^^^^^^^^ function or associated item not found in `Board`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/board.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Board {
[INFO] [stdout]    | ---------------- function or associated item `simple_boxes` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `fill_first_and_last_block_if_possible` found for struct `Board` in the current scope
[INFO] [stdout]    --> src/tests.rs:115:16
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Board::fill_first_and_last_block_if_possible(&vec![1, 3, 4], &mut ref_row);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `Board`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/board.rs:53:1
[INFO] [stdout]     |
[INFO] [stdout] 53  | pub struct Board {
[INFO] [stdout]     | ---------------- function or associated item `fill_first_and_last_block_if_possible` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `trim_finished_hints` found for struct `Board` in the current scope
[INFO] [stdout]    --> src/tests.rs:125:44
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let ((start, end), hints) = Board::trim_finished_hints(&vec![2, 4, 2], &mut ref_row);
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^ function or associated item not found in `Board`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/board.rs:53:1
[INFO] [stdout]     |
[INFO] [stdout] 53  | pub struct Board {
[INFO] [stdout]     | ---------------- function or associated item `trim_finished_hints` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nonogram_solver`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "57200e89bd3c6d84a2ddfeb3945d43f3166af772462a1c612fa5aefd0e9c8274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57200e89bd3c6d84a2ddfeb3945d43f3166af772462a1c612fa5aefd0e9c8274", kill_on_drop: false }`
[INFO] [stdout] 57200e89bd3c6d84a2ddfeb3945d43f3166af772462a1c612fa5aefd0e9c8274
