[INFO] cloning repository https://github.com/switchswap/scrabble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/switchswap/scrabble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitchswap%2Fscrabble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitchswap%2Fscrabble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ded76a6fd27be182bc45da79dbe3f986f7f794db
[INFO] checking switchswap/scrabble against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitchswap%2Fscrabble" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/switchswap/scrabble
[INFO] finished tweaking git repo https://github.com/switchswap/scrabble
[INFO] tweaked toml for git repo https://github.com/switchswap/scrabble written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/switchswap/scrabble on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/switchswap/scrabble 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking switchswap/scrabble against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitchswap%2Fscrabble" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/switchswap/scrabble
[INFO] finished tweaking git repo https://github.com/switchswap/scrabble
[INFO] tweaked toml for git repo https://github.com/switchswap/scrabble written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/switchswap/scrabble on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/switchswap/scrabble 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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 comfy-table v7.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd
[INFO] running `Command { std: "docker" "start" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking comfy-table v7.0.1
[INFO] [stderr]     Checking scrabble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/bag.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::rngs::ThreadRng;
[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: `SeedableRng`
[INFO] [stdout]  --> src/bag.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/bag.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::rngs::ThreadRng;
[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: `SeedableRng`
[INFO] [stdout]  --> src/bag.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_file`
[INFO] [stdout]   --> src/game.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(config_file: &str) -> Game {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/move.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         board: &mut Board,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dictionary`
[INFO] [stdout]   --> src/move.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         dictionary: &Dictionary,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dictionary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/move.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 x,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/move.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 y,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]    --> src/move.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 horizontal,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `horizontal: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_string`
[INFO] [stdout]    --> src/move.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 tile_string,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `tile_string: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `letters` and `init_count` are never read
[INFO] [stdout]   --> src/bag.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Bag {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 10 |     tiles: Vec<Tile>,
[INFO] [stdout] 11 |     letters: HashSet<char>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     init_count: HashMap<char, u32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_tile`, `initial_tile_count`, `current_tile_count`, and `all_letters` are never used
[INFO] [stdout]   --> src/bag.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bag {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn add_tile(&mut self, tile: Tile) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn initial_tile_count(&self) -> &HashMap<char, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn current_tile_count(&self) -> &HashMap<char, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn all_letters(&self) -> &HashSet<char> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_x` and `start_y` are never read
[INFO] [stdout]   --> src/board.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     start_x: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     start_y: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `square_at_mut` and `start_square` are never used
[INFO] [stdout]   --> src/board.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn square_at_mut(&mut self, x: usize, y: usize) -> Option<&mut Square> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn start_square(&mut self) -> Option<&mut Square> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `word_list` is never read
[INFO] [stdout]  --> src/dictionary.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Dictionary {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     word_list: HashSet<String>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_legal_word` is never used
[INFO] [stdout]   --> src/dictionary.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Dictionary {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_legal_word(&self, word: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `board` and `players` are never used
[INFO] [stdout]   --> src/game.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Game {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn board(&self) -> &Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn players(&self) -> &Vec<Player> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `orig_letter_multiplier`, `orig_word_multiplier`, and `occupied` are never read
[INFO] [stdout]  --> src/square.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Square {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     orig_letter_multiplier: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     orig_word_multiplier: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     occupied: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_tile`, `remove_tile`, `use_square`, `is_occupied`, and `score` are never used
[INFO] [stdout]   --> src/square.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Square {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn place_tile(&mut self, tile: Tile) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn remove_tile(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn use_square(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_occupied(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn score(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_blank` is never used
[INFO] [stdout]   --> src/tile.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn is_blank(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_file`
[INFO] [stdout]   --> src/game.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(config_file: &str) -> Game {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/move.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         board: &mut Board,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dictionary`
[INFO] [stdout]   --> src/move.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         dictionary: &Dictionary,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dictionary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/move.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 x,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/move.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 y,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]    --> src/move.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 horizontal,
[INFO] [stdout]     |                 ^^^^^^^^^^ help: try ignoring the field: `horizontal: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_string`
[INFO] [stdout]    --> src/move.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 tile_string,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `tile_string: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         std::io::stdin().read_line(&mut String::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = std::io::stdin().read_line(&mut String::new());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `letters` and `init_count` are never read
[INFO] [stdout]   --> src/bag.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Bag {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 10 |     tiles: Vec<Tile>,
[INFO] [stdout] 11 |     letters: HashSet<char>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     init_count: HashMap<char, u32>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_tile`, `initial_tile_count`, `current_tile_count`, and `all_letters` are never used
[INFO] [stdout]   --> src/bag.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bag {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn add_tile(&mut self, tile: Tile) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn initial_tile_count(&self) -> &HashMap<char, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn current_tile_count(&self) -> &HashMap<char, u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn all_letters(&self) -> &HashSet<char> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_x` and `start_y` are never read
[INFO] [stdout]   --> src/board.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  9 |     start_x: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     start_y: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `square_at_mut` and `start_square` are never used
[INFO] [stdout]   --> src/board.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn square_at_mut(&mut self, x: usize, y: usize) -> Option<&mut Square> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn start_square(&mut self) -> Option<&mut Square> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `word_list` is never read
[INFO] [stdout]  --> src/dictionary.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Dictionary {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     word_list: HashSet<String>,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_legal_word` is never used
[INFO] [stdout]   --> src/dictionary.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Dictionary {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_legal_word(&self, word: &str) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `board` and `players` are never used
[INFO] [stdout]   --> src/game.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Game {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn board(&self) -> &Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn players(&self) -> &Vec<Player> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `orig_letter_multiplier`, `orig_word_multiplier`, and `occupied` are never read
[INFO] [stdout]  --> src/square.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Square {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     orig_letter_multiplier: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     orig_word_multiplier: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     occupied: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_tile`, `remove_tile`, `use_square`, `is_occupied`, and `score` are never used
[INFO] [stdout]   --> src/square.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Square {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn place_tile(&mut self, tile: Tile) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn remove_tile(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn use_square(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_occupied(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn score(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         std::io::stdin().read_line(&mut String::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = std::io::stdin().read_line(&mut String::new());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd", kill_on_drop: false }`
[INFO] [stdout] 7c7658442cabd29268f5e558b26c86b37c60a3365dd9d37fe332f9e79971fffd
