[INFO] cloning repository https://github.com/LLGames/WordSearchGenerator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LLGames/WordSearchGenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLGames%2FWordSearchGenerator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLGames%2FWordSearchGenerator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef8325070144e85ff1cef12701bd8f15689d884b
[INFO] checking LLGames/WordSearchGenerator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLGames%2FWordSearchGenerator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LLGames/WordSearchGenerator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LLGames/WordSearchGenerator
[INFO] finished tweaking git repo https://github.com/LLGames/WordSearchGenerator
[INFO] tweaked toml for git repo https://github.com/LLGames/WordSearchGenerator written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LLGames/WordSearchGenerator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.14
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.14
[INFO] [stderr]   Downloaded serde_derive v1.0.113
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5dbd05df69523bd5ee45997d08ee4129afaae3541370df2f5b266a547e09c06
[INFO] running `Command { std: "docker" "start" "-a" "a5dbd05df69523bd5ee45997d08ee4129afaae3541370df2f5b266a547e09c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dbd05df69523bd5ee45997d08ee4129afaae3541370df2f5b266a547e09c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dbd05df69523bd5ee45997d08ee4129afaae3541370df2f5b266a547e09c06", kill_on_drop: false }`
[INFO] [stdout] a5dbd05df69523bd5ee45997d08ee4129afaae3541370df2f5b266a547e09c06
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3031c1ca529bbf44fe8707cc64df83d312787290c70eb69de0adb702e8f6483a
[INFO] running `Command { std: "docker" "start" "-a" "3031c1ca529bbf44fe8707cc64df83d312787290c70eb69de0adb702e8f6483a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.14
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.64
[INFO] [stderr]     Checking js-sys v0.3.41
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.14
[INFO] [stderr]     Checking wordsearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/generator/word_set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `positioner::Positioner`
[INFO] [stdout]  --> src/model/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use positioner::Positioner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Positioner` is imported redundantly
[INFO] [stdout]  --> src/model/word_factory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Positioner` is already imported here
[INFO] [stdout] 2 | use super::positioner::Positioner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.14
[INFO] [stdout] warning: function `new_board` is never used
[INFO] [stdout]  --> src/wasm.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn new_board(size: u32) -> JsValue {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_gen` is never used
[INFO] [stdout]   --> src/wasm.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn init_gen(words_json: js_sys::Array) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_slots` is never used
[INFO] [stdout]   --> src/wasm.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn fill_slots(board: &JsValue, n_words: u32, gen: &JsValue) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/wasm.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run(words_json: js_sys::Array, size: u32, n_words: u32) -> JsValue {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `draw_orientation` and `draw_word` are never used
[INFO] [stdout]   --> src/generator/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait WordGenerator {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] 12 |     fn draw_orientation() -> Orientation;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     fn draw_word(&mut self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_random_char` is never used
[INFO] [stdout]   --> src/generator/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait CharGenerator {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 17 |     fn take_random_char(&self) -> char;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl DefaultGenerator {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `start_pos`, and `orientation` are never read
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Word {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     pub start_pos: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 23 |     pub orientation: Orientation,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_word`, and `fill_blank_slots` are never used
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_word` is never used
[INFO] [stdout]  --> src/model/word_factory.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait WordFactory {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] 5 |     fn create_word(self: &Self, word: String, orient: Orientation) -> Word;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `place_words` is never used
[INFO] [stdout]  --> src/ui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn place_words(board: &mut Board, n_words: usize, gen: &DefaultGenerator) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_word` is never used
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generate_word(gen: &mut impl WordGenerator, board: &Board) -> Word {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_generator` is never used
[INFO] [stdout]   --> src/ui.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init_generator(words: &Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/generator/word_set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `positioner::Positioner`
[INFO] [stdout]  --> src/model/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use positioner::Positioner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Positioner` is imported redundantly
[INFO] [stdout]  --> src/model/word_factory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Positioner` is already imported here
[INFO] [stdout] 2 | use super::positioner::Positioner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_board` is never used
[INFO] [stdout]  --> src/wasm.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn new_board(size: u32) -> JsValue {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_gen` is never used
[INFO] [stdout]   --> src/wasm.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn init_gen(words_json: js_sys::Array) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_slots` is never used
[INFO] [stdout]   --> src/wasm.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn fill_slots(board: &JsValue, n_words: u32, gen: &JsValue) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/wasm.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run(words_json: js_sys::Array, size: u32, n_words: u32) -> JsValue {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `draw_orientation` and `draw_word` are never used
[INFO] [stdout]   --> src/generator/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait WordGenerator {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] 12 |     fn draw_orientation() -> Orientation;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     fn draw_word(&mut self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl DefaultGenerator {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `start_pos`, and `orientation` are never read
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Word {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     pub start_pos: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 23 |     pub orientation: Orientation,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_word`, and `fill_blank_slots` are never used
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_word` is never used
[INFO] [stdout]  --> src/model/word_factory.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait WordFactory {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] 5 |     fn create_word(self: &Self, word: String, orient: Orientation) -> Word;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `place_words` is never used
[INFO] [stdout]  --> src/ui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn place_words(board: &mut Board, n_words: usize, gen: &DefaultGenerator) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_word` is never used
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generate_word(gen: &mut impl WordGenerator, board: &Board) -> Word {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_generator` is never used
[INFO] [stdout]   --> src/ui.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init_generator(words: &Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.64
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3031c1ca529bbf44fe8707cc64df83d312787290c70eb69de0adb702e8f6483a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3031c1ca529bbf44fe8707cc64df83d312787290c70eb69de0adb702e8f6483a", kill_on_drop: false }`
[INFO] [stdout] 3031c1ca529bbf44fe8707cc64df83d312787290c70eb69de0adb702e8f6483a
[INFO] checking LLGames/WordSearchGenerator against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLLGames%2FWordSearchGenerator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LLGames/WordSearchGenerator on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LLGames/WordSearchGenerator
[INFO] finished tweaking git repo https://github.com/LLGames/WordSearchGenerator
[INFO] tweaked toml for git repo https://github.com/LLGames/WordSearchGenerator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LLGames/WordSearchGenerator 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4cc50a2f407be6aa11667b92592d2d8109e31734f25f32a268c3f3a8a245e22
[INFO] running `Command { std: "docker" "start" "-a" "c4cc50a2f407be6aa11667b92592d2d8109e31734f25f32a268c3f3a8a245e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4cc50a2f407be6aa11667b92592d2d8109e31734f25f32a268c3f3a8a245e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cc50a2f407be6aa11667b92592d2d8109e31734f25f32a268c3f3a8a245e22", kill_on_drop: false }`
[INFO] [stdout] c4cc50a2f407be6aa11667b92592d2d8109e31734f25f32a268c3f3a8a245e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6542ce61b7cf3d46ba2414af820cc260af2555f924082dd743a6a65940650451
[INFO] running `Command { std: "docker" "start" "-a" "6542ce61b7cf3d46ba2414af820cc260af2555f924082dd743a6a65940650451", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.64
[INFO] [stderr]     Checking js-sys v0.3.41
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.14
[INFO] [stderr]     Checking wordsearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/generator/word_set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `positioner::Positioner`
[INFO] [stdout]  --> src/model/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use positioner::Positioner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Positioner` is imported redundantly
[INFO] [stdout]  --> src/model/word_factory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Positioner` is already imported here
[INFO] [stdout] 2 | use super::positioner::Positioner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.14
[INFO] [stdout] warning: function `new_board` is never used
[INFO] [stdout]  --> src/wasm.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn new_board(size: u32) -> JsValue {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_gen` is never used
[INFO] [stdout]   --> src/wasm.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn init_gen(words_json: js_sys::Array) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_slots` is never used
[INFO] [stdout]   --> src/wasm.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn fill_slots(board: &JsValue, n_words: u32, gen: &JsValue) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/wasm.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run(words_json: js_sys::Array, size: u32, n_words: u32) -> JsValue {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `draw_orientation` and `draw_word` are never used
[INFO] [stdout]   --> src/generator/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait WordGenerator {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] 12 |     fn draw_orientation() -> Orientation;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     fn draw_word(&mut self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_random_char` is never used
[INFO] [stdout]   --> src/generator/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait CharGenerator {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 17 |     fn take_random_char(&self) -> char;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl DefaultGenerator {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `start_pos`, and `orientation` are never read
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Word {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     pub start_pos: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 23 |     pub orientation: Orientation,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_word`, and `fill_blank_slots` are never used
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_word` is never used
[INFO] [stdout]  --> src/model/word_factory.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait WordFactory {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] 5 |     fn create_word(self: &Self, word: String, orient: Orientation) -> Word;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `place_words` is never used
[INFO] [stdout]  --> src/ui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn place_words(board: &mut Board, n_words: usize, gen: &DefaultGenerator) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_word` is never used
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generate_word(gen: &mut impl WordGenerator, board: &Board) -> Word {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_generator` is never used
[INFO] [stdout]   --> src/ui.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init_generator(words: &Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/wasm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/generator/word_set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `positioner::Positioner`
[INFO] [stdout]  --> src/model/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use positioner::Positioner;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Positioner` is imported redundantly
[INFO] [stdout]  --> src/model/word_factory.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Positioner` is already imported here
[INFO] [stdout] 2 | use super::positioner::Positioner;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_board` is never used
[INFO] [stdout]  --> src/wasm.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn new_board(size: u32) -> JsValue {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_gen` is never used
[INFO] [stdout]   --> src/wasm.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn init_gen(words_json: js_sys::Array) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_slots` is never used
[INFO] [stdout]   --> src/wasm.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn fill_slots(board: &JsValue, n_words: u32, gen: &JsValue) -> JsValue {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/wasm.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run(words_json: js_sys::Array, size: u32, n_words: u32) -> JsValue {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `draw_orientation` and `draw_word` are never used
[INFO] [stdout]   --> src/generator/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait WordGenerator {
[INFO] [stdout]    |           ------------- associated items in this trait
[INFO] [stdout] 12 |     fn draw_orientation() -> Orientation;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     fn draw_word(&mut self) -> String;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl DefaultGenerator {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `start_pos`, and `orientation` are never read
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Word {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     pub start_pos: (usize, usize),
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 23 |     pub orientation: Orientation,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_word`, and `fill_blank_slots` are never used
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_word` is never used
[INFO] [stdout]  --> src/model/word_factory.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait WordFactory {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] 5 |     fn create_word(self: &Self, word: String, orient: Orientation) -> Word;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `place_words` is never used
[INFO] [stdout]  --> src/ui.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn place_words(board: &mut Board, n_words: usize, gen: &DefaultGenerator) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_word` is never used
[INFO] [stdout]   --> src/ui.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn generate_word(gen: &mut impl WordGenerator, board: &Board) -> Word {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_generator` is never used
[INFO] [stdout]   --> src/ui.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn init_generator(words: &Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.64
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6542ce61b7cf3d46ba2414af820cc260af2555f924082dd743a6a65940650451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6542ce61b7cf3d46ba2414af820cc260af2555f924082dd743a6a65940650451", kill_on_drop: false }`
[INFO] [stdout] 6542ce61b7cf3d46ba2414af820cc260af2555f924082dd743a6a65940650451