[INFO] cloning repository https://github.com/victorgveloso/wordsearch-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorgveloso/wordsearch-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorgveloso%2Fwordsearch-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorgveloso%2Fwordsearch-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95805ec3774cf243753e9cbdee0ca6cbdaa20394
[INFO] testing victorgveloso/wordsearch-generator against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorgveloso%2Fwordsearch-generator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorgveloso/wordsearch-generator on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/victorgveloso/wordsearch-generator
[INFO] finished tweaking git repo https://github.com/victorgveloso/wordsearch-generator
[INFO] tweaked toml for git repo https://github.com/victorgveloso/wordsearch-generator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/victorgveloso/wordsearch-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41b0d568fc128c8001fe75cb50e48e5873119da2df9fa210ddcc09991b88532
[INFO] running `Command { std: "docker" "start" "-a" "e41b0d568fc128c8001fe75cb50e48e5873119da2df9fa210ddcc09991b88532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41b0d568fc128c8001fe75cb50e48e5873119da2df9fa210ddcc09991b88532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41b0d568fc128c8001fe75cb50e48e5873119da2df9fa210ddcc09991b88532", kill_on_drop: false }`
[INFO] [stdout] e41b0d568fc128c8001fe75cb50e48e5873119da2df9fa210ddcc09991b88532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca891ed185864bc0a16110c85c8086f343d286cc870b3735e0e791718b04ee4
[INFO] running `Command { std: "docker" "start" "-a" "eca891ed185864bc0a16110c85c8086f343d286cc870b3735e0e791718b04ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling 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]    Compiling js-sys v0.3.41
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wordsearch v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_board`
[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 is never used: `init_gen`
[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 is never used: `fill_slots`
[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 is never used: `run`
[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 function is never used: `new`
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_word`
[INFO] [stdout]   --> src/model/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_blank_slots`
[INFO] [stdout]   --> src/model/mod.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `place_words`
[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 is never used: `generate_word`
[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 is never used: `init_generator`
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "eca891ed185864bc0a16110c85c8086f343d286cc870b3735e0e791718b04ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca891ed185864bc0a16110c85c8086f343d286cc870b3735e0e791718b04ee4", kill_on_drop: false }`
[INFO] [stdout] eca891ed185864bc0a16110c85c8086f343d286cc870b3735e0e791718b04ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79a02c4279e1ee810df4b85134d87939b8e5bfac84d64e92657105c0a1b5f261
[INFO] running `Command { std: "docker" "start" "-a" "79a02c4279e1ee810df4b85134d87939b8e5bfac84d64e92657105c0a1b5f261", kill_on_drop: false }`
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.14
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.14
[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]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_board`
[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 is never used: `init_gen`
[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 is never used: `fill_slots`
[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 is never used: `run`
[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 function is never used: `new`
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_word`
[INFO] [stdout]   --> src/model/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_blank_slots`
[INFO] [stdout]   --> src/model/mod.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `place_words`
[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 is never used: `generate_word`
[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 is never used: `init_generator`
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.14
[INFO] [stderr]    Compiling wordsearch v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_board`
[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 is never used: `init_gen`
[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 is never used: `fill_slots`
[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 is never used: `run`
[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 function is never used: `new`
[INFO] [stdout]   --> src/generator/mod.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/model/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     value: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/model/mod.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_word`
[INFO] [stdout]   --> src/model/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill_blank_slots`
[INFO] [stdout]   --> src/model/mod.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `place_words`
[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 is never used: `generate_word`
[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 is never used: `init_generator`
[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wordsearch-d80b423d3f172e6a)
[INFO] running `Command { std: "docker" "inspect" "79a02c4279e1ee810df4b85134d87939b8e5bfac84d64e92657105c0a1b5f261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a02c4279e1ee810df4b85134d87939b8e5bfac84d64e92657105c0a1b5f261", kill_on_drop: false }`
[INFO] [stdout] 79a02c4279e1ee810df4b85134d87939b8e5bfac84d64e92657105c0a1b5f261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3090767c6b1a4203b84db7ce647840c497b4b7749777ff3321bee4c25a53e97e
[INFO] running `Command { std: "docker" "start" "-a" "3090767c6b1a4203b84db7ce647840c497b4b7749777ff3321bee4c25a53e97e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::io::stdin`
[INFO] [stderr]  --> src/ui.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::stdin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_board`
[INFO] [stderr]  --> src/wasm.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn new_board(size: u32) -> JsValue {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_gen`
[INFO] [stderr]   --> src/wasm.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn init_gen(words_json: js_sys::Array) -> JsValue {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fill_slots`
[INFO] [stderr]   --> src/wasm.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn fill_slots(board: &JsValue, n_words: u32, gen: &JsValue) -> JsValue {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/wasm.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn run(words_json: js_sys::Array, size: u32, n_words: u32) -> JsValue {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/generator/mod.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(words: Vec<String>) -> DefaultGenerator {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/model/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     value: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/model/mod.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(size: usize) -> Board {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_word`
[INFO] [stderr]   --> src/model/mod.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn insert_word(self: &mut Self, word: &Word) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fill_blank_slots`
[INFO] [stderr]   --> src/model/mod.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn fill_blank_slots(&mut self, generator: &impl CharGenerator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `place_words`
[INFO] [stderr]  --> src/ui.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn place_words(board: &mut Board, n_words: usize, gen: &DefaultGenerator) {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_word`
[INFO] [stderr]   --> src/ui.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn generate_word(gen: &mut impl WordGenerator, board: &Board) -> Word {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_generator`
[INFO] [stderr]   --> src/ui.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn init_generator(words: &Vec<String>) -> DefaultGenerator {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wordsearch` (lib) generated 13 warnings
[INFO] [stderr] warning: `wordsearch` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wordsearch-d80b423d3f172e6a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generator::tests::take_random_char ... ok
[INFO] [stdout] test generator::word_set::tests::take_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wordsearch
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3090767c6b1a4203b84db7ce647840c497b4b7749777ff3321bee4c25a53e97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3090767c6b1a4203b84db7ce647840c497b4b7749777ff3321bee4c25a53e97e", kill_on_drop: false }`
[INFO] [stdout] 3090767c6b1a4203b84db7ce647840c497b4b7749777ff3321bee4c25a53e97e