[INFO] cloning repository https://github.com/bogedy/rust_snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bogedy/rust_snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbogedy%2Frust_snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbogedy%2Frust_snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13fde9e0fef860da63a6dcec044be4061725b7da
[INFO] checking bogedy/rust_snake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbogedy%2Frust_snake" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bogedy/rust_snake 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/bogedy/rust_snake
[INFO] finished tweaking git repo https://github.com/bogedy/rust_snake
[INFO] tweaked toml for git repo https://github.com/bogedy/rust_snake written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bogedy/rust_snake 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] warning: unused manifest key: package.license_file
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 942aea16944016f391cf67ed22d1df1f23527b187dd6027529b1436b93ed0425
[INFO] running `Command { std: "docker" "start" "-a" "942aea16944016f391cf67ed22d1df1f23527b187dd6027529b1436b93ed0425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942aea16944016f391cf67ed22d1df1f23527b187dd6027529b1436b93ed0425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942aea16944016f391cf67ed22d1df1f23527b187dd6027529b1436b93ed0425", kill_on_drop: false }`
[INFO] [stdout] 942aea16944016f391cf67ed22d1df1f23527b187dd6027529b1436b93ed0425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd34e166194d39aa5d4aa11514ced1b2ddfecb225a95ed13df478d5751bc5b75
[INFO] running `Command { std: "docker" "start" "-a" "fd34e166194d39aa5d4aa11514ced1b2ddfecb225a95ed13df478d5751bc5b75", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]     Checking rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, RangeBounds};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, RangeBounds};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_pixel_size`, `block_width`, and `block_height` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 12 |     block_pixel_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     block_width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     block_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_square`, `clear_board`, and `test_board_draw` are never used
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 19 |     fn draw_square (&self, ctx: &CanvasRenderingContext2d, row: u32, col: u32, color: &JsValue) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear_board(&self, ctx: &CanvasRenderingContext2d){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn test_board_draw(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_piece` is never used
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 42 |     pub fn draw_piece(&self, ctx: &CanvasRenderingContext2d, piece: &Piece) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_pixel_size`, `block_width`, and `block_height` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 12 |     block_pixel_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     block_width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     block_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum DirectionEnum {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] 51 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_square`, `clear_board`, and `test_board_draw` are never used
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 19 |     fn draw_square (&self, ctx: &CanvasRenderingContext2d, row: u32, col: u32, color: &JsValue) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear_board(&self, ctx: &CanvasRenderingContext2d){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn test_board_draw(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `direction_vector` and `from_string` are never used
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl DirectionEnum {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 64 |     pub fn direction_vector(&self) -> DirectionVec {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn from_string(direction: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_piece` is never used
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 42 |     pub fn draw_piece(&self, ctx: &CanvasRenderingContext2d, piece: &Piece) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Food`, `Tail`, and `Head` are never constructed
[INFO] [stdout]   --> src/lib.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 96 |     Food,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 97 |     Tail,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 98 |     Head,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum DirectionEnum {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] 51 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `color` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl PieceType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 102 |     pub fn color(&self) -> JsValue {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `direction_vector` and `from_string` are never used
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl DirectionEnum {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 64 |     pub fn direction_vector(&self) -> DirectionVec {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn from_string(direction: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_type`, `row`, and `col` are never read
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Piece {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 113 |     piece_type: PieceType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 114 |     row: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 115 |     col: u32
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Piece` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tail` and `same_pos` are never used
[INFO] [stdout]    --> src/lib.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Piece {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 119 |     pub fn to_tail(&self) -> Piece {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn same_pos(&self, rhs: &Piece) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Food`, `Tail`, and `Head` are never constructed
[INFO] [stdout]   --> src/lib.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 96 |     Food,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 97 |     Tail,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 98 |     Head,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `head`, and `tail` are never read
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct Snake {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 133 |     dir: DirectionEnum,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 134 |     head: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     tail: VecDeque<Piece>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `color` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl PieceType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 102 |     pub fn color(&self) -> JsValue {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `snake`, `food`, and `gameover` are never read
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Game {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 140 |     pub board: Board,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 141 |     snake: Snake,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     food: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 143 |     gameover: bool
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_type`, `row`, and `col` are never read
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Piece {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 113 |     piece_type: PieceType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 114 |     row: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 115 |     col: u32
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Piece` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `step`, and `get_gameover` are never used
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 148 |     pub fn new(ctx: &CanvasRenderingContext2d, block_pixel_size: u32, block_width: u32, block_height: u32) -> Game {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn step(&mut self, ctx: &CanvasRenderingContext2d, key: String) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn get_gameover(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tail` and `same_pos` are never used
[INFO] [stdout]    --> src/lib.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Piece {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 119 |     pub fn to_tail(&self) -> Piece {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn same_pos(&self, rhs: &Piece) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `head`, and `tail` are never read
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct Snake {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 133 |     dir: DirectionEnum,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 134 |     head: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     tail: VecDeque<Piece>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `logic`, `draw_pieces`, and `random_unoccupied_point` are never used
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 184 |     pub fn logic(&mut self, key: &String) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn draw_pieces(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn random_unoccupied_point(&self, occupied_points: &Vec<(u32, u32)>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `snake`, `food`, and `gameover` are never read
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Game {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 140 |     pub board: Board,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 141 |     snake: Snake,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     food: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 143 |     gameover: bool
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `step`, and `get_gameover` are never used
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 148 |     pub fn new(ctx: &CanvasRenderingContext2d, block_pixel_size: u32, block_width: u32, block_height: u32) -> Game {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn step(&mut self, ctx: &CanvasRenderingContext2d, key: String) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn get_gameover(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `logic`, `draw_pieces`, and `random_unoccupied_point` are never used
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 184 |     pub fn logic(&mut self, key: &String) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn draw_pieces(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn random_unoccupied_point(&self, occupied_points: &Vec<(u32, u32)>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "fd34e166194d39aa5d4aa11514ced1b2ddfecb225a95ed13df478d5751bc5b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd34e166194d39aa5d4aa11514ced1b2ddfecb225a95ed13df478d5751bc5b75", kill_on_drop: false }`
[INFO] [stdout] fd34e166194d39aa5d4aa11514ced1b2ddfecb225a95ed13df478d5751bc5b75
[INFO] checking bogedy/rust_snake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbogedy%2Frust_snake" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bogedy/rust_snake 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/bogedy/rust_snake
[INFO] finished tweaking git repo https://github.com/bogedy/rust_snake
[INFO] tweaked toml for git repo https://github.com/bogedy/rust_snake written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bogedy/rust_snake 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] [stderr] warning: unused manifest key: package.license_file
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9fe79c01d66e98e772985fac47983056c63380ff644499093e78ac663eeb7e9a
[INFO] running `Command { std: "docker" "start" "-a" "9fe79c01d66e98e772985fac47983056c63380ff644499093e78ac663eeb7e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe79c01d66e98e772985fac47983056c63380ff644499093e78ac663eeb7e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe79c01d66e98e772985fac47983056c63380ff644499093e78ac663eeb7e9a", kill_on_drop: false }`
[INFO] [stdout] 9fe79c01d66e98e772985fac47983056c63380ff644499093e78ac663eeb7e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0406dbbdb2a5d628814b4e2de2f4296a28fa16943bbc80b9ae1f7cf324329600
[INFO] running `Command { std: "docker" "start" "-a" "0406dbbdb2a5d628814b4e2de2f4296a28fa16943bbc80b9ae1f7cf324329600", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.license_file
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking web-sys v0.3.66
[INFO] [stderr]     Checking rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, RangeBounds};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_pixel_size`, `block_width`, and `block_height` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 12 |     block_pixel_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     block_width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     block_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_square`, `clear_board`, and `test_board_draw` are never used
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 19 |     fn draw_square (&self, ctx: &CanvasRenderingContext2d, row: u32, col: u32, color: &JsValue) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear_board(&self, ctx: &CanvasRenderingContext2d){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn test_board_draw(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_piece` is never used
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 42 |     pub fn draw_piece(&self, ctx: &CanvasRenderingContext2d, piece: &Piece) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum DirectionEnum {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] 51 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `direction_vector` and `from_string` are never used
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl DirectionEnum {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 64 |     pub fn direction_vector(&self) -> DirectionVec {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn from_string(direction: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Food`, `Tail`, and `Head` are never constructed
[INFO] [stdout]   --> src/lib.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 96 |     Food,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 97 |     Tail,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 98 |     Head,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `color` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl PieceType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 102 |     pub fn color(&self) -> JsValue {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_type`, `row`, and `col` are never read
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Piece {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 113 |     piece_type: PieceType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 114 |     row: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 115 |     col: u32
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Piece` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tail` and `same_pos` are never used
[INFO] [stdout]    --> src/lib.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Piece {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 119 |     pub fn to_tail(&self) -> Piece {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn same_pos(&self, rhs: &Piece) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `head`, and `tail` are never read
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct Snake {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 133 |     dir: DirectionEnum,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 134 |     head: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     tail: VecDeque<Piece>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `snake`, `food`, and `gameover` are never read
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Game {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 140 |     pub board: Board,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 141 |     snake: Snake,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     food: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 143 |     gameover: bool
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `step`, and `get_gameover` are never used
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 148 |     pub fn new(ctx: &CanvasRenderingContext2d, block_pixel_size: u32, block_width: u32, block_height: u32) -> Game {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn step(&mut self, ctx: &CanvasRenderingContext2d, key: String) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn get_gameover(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `logic`, `draw_pieces`, and `random_unoccupied_point` are never used
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 184 |     pub fn logic(&mut self, key: &String) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn draw_pieces(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn random_unoccupied_point(&self, occupied_points: &Vec<(u32, u32)>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RangeBounds`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, RangeBounds};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `block_pixel_size`, `block_width`, and `block_height` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Board {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 12 |     block_pixel_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     block_width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     block_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `draw_square`, `clear_board`, and `test_board_draw` are never used
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 19 |     fn draw_square (&self, ctx: &CanvasRenderingContext2d, row: u32, col: u32, color: &JsValue) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn clear_board(&self, ctx: &CanvasRenderingContext2d){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn test_board_draw(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_piece` is never used
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 42 |     pub fn draw_piece(&self, ctx: &CanvasRenderingContext2d, piece: &Piece) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | enum DirectionEnum {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] 51 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 54 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `direction_vector` and `from_string` are never used
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl DirectionEnum {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 64 |     pub fn direction_vector(&self) -> DirectionVec {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn from_string(direction: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Food`, `Tail`, and `Head` are never constructed
[INFO] [stdout]   --> src/lib.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum PieceType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 96 |     Food,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 97 |     Tail,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 98 |     Head,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `color` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl PieceType {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 102 |     pub fn color(&self) -> JsValue {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_type`, `row`, and `col` are never read
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Piece {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 113 |     piece_type: PieceType,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 114 |     row: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 115 |     col: u32
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Piece` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tail` and `same_pos` are never used
[INFO] [stdout]    --> src/lib.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl Piece {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 119 |     pub fn to_tail(&self) -> Piece {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn same_pos(&self, rhs: &Piece) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dir`, `head`, and `tail` are never read
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct Snake {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 133 |     dir: DirectionEnum,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 134 |     head: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 135 |     tail: VecDeque<Piece>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `snake`, `food`, and `gameover` are never read
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Game {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 140 |     pub board: Board,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 141 |     snake: Snake,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 142 |     food: Piece,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 143 |     gameover: bool
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `step`, and `get_gameover` are never used
[INFO] [stdout]    --> src/lib.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl Game {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 148 |     pub fn new(ctx: &CanvasRenderingContext2d, block_pixel_size: u32, block_width: u32, block_height: u32) -> Game {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     pub fn step(&mut self, ctx: &CanvasRenderingContext2d, key: String) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn get_gameover(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `logic`, `draw_pieces`, and `random_unoccupied_point` are never used
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 184 |     pub fn logic(&mut self, key: &String) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     fn draw_pieces(&self, ctx: &CanvasRenderingContext2d) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     fn random_unoccupied_point(&self, occupied_points: &Vec<(u32, u32)>) -> (u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.88s
[INFO] running `Command { std: "docker" "inspect" "0406dbbdb2a5d628814b4e2de2f4296a28fa16943bbc80b9ae1f7cf324329600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0406dbbdb2a5d628814b4e2de2f4296a28fa16943bbc80b9ae1f7cf324329600", kill_on_drop: false }`
[INFO] [stdout] 0406dbbdb2a5d628814b4e2de2f4296a28fa16943bbc80b9ae1f7cf324329600