[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] building shocoman/simple-nonogram-solver-demo against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshocoman%2Fsimple-nonogram-solver-demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shocoman/simple-nonogram-solver-demo on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] building shocoman/simple-nonogram-solver-demo against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshocoman%2Fsimple-nonogram-solver-demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shocoman/simple-nonogram-solver-demo on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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 hound v3.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded macroquad_macro v0.1.2
[INFO] [stderr]   Downloaded sapp-windows v0.2.16
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded sapp-wasm v0.1.24
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded oboe v0.4.1
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.30
[INFO] [stderr]   Downloaded jni v0.18.0
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded ttf-parser v0.8.3
[INFO] [stderr]   Downloaded glam v0.14.0
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded fontdue v0.4.0
[INFO] [stderr]   Downloaded sapp-android v0.1.5
[INFO] [stderr]   Downloaded sapp-linux v0.1.12
[INFO] [stderr]   Downloaded oboe-sys v0.4.0
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded sapp-dummy v0.1.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded cpal v0.13.3
[INFO] [stderr]   Downloaded sapp-darwin v0.1.6
[INFO] [stderr]   Downloaded sapp-ios v0.1.2
[INFO] [stderr]   Downloaded clang-sys v1.2.0
[INFO] [stderr]   Downloaded macroquad v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42d7be6c5ca8f7f1192b6bfdb6061d27770260d6ac222c0d6588aad05c89677
[INFO] running `Command { std: "docker" "start" "-a" "d42d7be6c5ca8f7f1192b6bfdb6061d27770260d6ac222c0d6588aad05c89677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42d7be6c5ca8f7f1192b6bfdb6061d27770260d6ac222c0d6588aad05c89677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42d7be6c5ca8f7f1192b6bfdb6061d27770260d6ac222c0d6588aad05c89677", kill_on_drop: false }`
[INFO] [stdout] d42d7be6c5ca8f7f1192b6bfdb6061d27770260d6ac222c0d6588aad05c89677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba37d17e1c64dea8ecba4b7260a0b1be5db0adfdb319967b2d3597802aa88b8
[INFO] running `Command { std: "docker" "start" "-a" "dba37d17e1c64dea8ecba4b7260a0b1be5db0adfdb319967b2d3597802aa88b8", 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 syn v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling sapp-linux v0.1.12
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.8.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glam v0.14.0
[INFO] [stderr]    Compiling quad-rand v0.2.1
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling macroquad_macro v0.1.2
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling fontdue v0.4.0
[INFO] [stderr]    Compiling miniquad v0.3.0-alpha.30
[INFO] [stderr]    Compiling image v0.23.14
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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: unused variable: `rules`
[INFO] [stdout]  --> src/nonogram_solver.rs:4:9
[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]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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/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: 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: 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] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'board> Nonogram {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 28 |     pub fn new(rows: usize, cols: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_char` and `from_char` are never used
[INFO] [stdout]   --> src/board.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Cell {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn as_char(&self) -> char {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn from_char(ch: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `print_board`, `find_first_cell_such_that`, and `draw_board` are never used
[INFO] [stdout]    --> src/board.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout]  60 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub fn print_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn find_first_cell_such_that(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn draw_board(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enclose_completed_region` is never used
[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 `fill_only_one_possible_hint_region` is never used
[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 `block_intersection` is never used
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `Command { std: "docker" "inspect" "dba37d17e1c64dea8ecba4b7260a0b1be5db0adfdb319967b2d3597802aa88b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba37d17e1c64dea8ecba4b7260a0b1be5db0adfdb319967b2d3597802aa88b8", kill_on_drop: false }`
[INFO] [stdout] dba37d17e1c64dea8ecba4b7260a0b1be5db0adfdb319967b2d3597802aa88b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b226460c43fe8e8757516496e0327c29aa6ffcfeec53bf74d82a2030a99e4f79
[INFO] running `Command { std: "docker" "start" "-a" "b226460c43fe8e8757516496e0327c29aa6ffcfeec53bf74d82a2030a99e4f79", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 struct
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Board`, consider using `Board::new` which returns `Board`
[INFO] [stdout]   --> src/board.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(rows: usize, cols: usize, rules: Vec<Rule>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 struct
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Board`, consider using `Board::new` which returns `Board`
[INFO] [stdout]   --> src/board.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(rows: usize, cols: usize, rules: Vec<Rule>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 struct
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Board`, consider using `Board::new` which returns `Board`
[INFO] [stdout]    --> src/board.rs:61:5
[INFO] [stdout]     |
[INFO] [stdout]  61 |     pub fn new(rows: usize, cols: usize, rules: Vec<Rule>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 struct
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Board`, consider using `Board::new` which returns `Board`
[INFO] [stdout]    --> src/board.rs:61:5
[INFO] [stdout]     |
[INFO] [stdout]  61 |     pub fn new(rows: usize, cols: usize, rules: Vec<Rule>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 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: unused variable: `rules`
[INFO] [stdout]  --> src/nonogram_solver.rs:4:9
[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]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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/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: 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: 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] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nonogram_solver` (bin "nonogram_solver" test) due to 4 previous errors; 15 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b226460c43fe8e8757516496e0327c29aa6ffcfeec53bf74d82a2030a99e4f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b226460c43fe8e8757516496e0327c29aa6ffcfeec53bf74d82a2030a99e4f79", kill_on_drop: false }`
[INFO] [stdout] b226460c43fe8e8757516496e0327c29aa6ffcfeec53bf74d82a2030a99e4f79
