[INFO] cloning repository https://github.com/nikolasFreitas/snake-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikolasFreitas/snake-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnikolasFreitas%2Fsnake-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnikolasFreitas%2Fsnake-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfb0fb18bc1c98a7612cdfe0ad4938aa67816221
[INFO] checking nikolasFreitas/snake-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FnikolasFreitas%2Fsnake-rust" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikolasFreitas/snake-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikolasFreitas/snake-rust
[INFO] finished tweaking git repo https://github.com/nikolasFreitas/snake-rust
[INFO] tweaked toml for git repo https://github.com/nikolasFreitas/snake-rust written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/nikolasFreitas/snake-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99073d04917d52f28725df3d394cd552ba43521e1e5340973c9224946d52f362
[INFO] running `Command { std: "docker" "start" "-a" "99073d04917d52f28725df3d394cd552ba43521e1e5340973c9224946d52f362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99073d04917d52f28725df3d394cd552ba43521e1e5340973c9224946d52f362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99073d04917d52f28725df3d394cd552ba43521e1e5340973c9224946d52f362", kill_on_drop: false }`
[INFO] [stdout] 99073d04917d52f28725df3d394cd552ba43521e1e5340973c9224946d52f362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc93c8c4f64b0dd869d4346e4b318dfec66465fcd14ab0b076edcfb203e25f42
[INFO] running `Command { std: "docker" "start" "-a" "fc93c8c4f64b0dd869d4346e4b318dfec66465fcd14ab0b076edcfb203e25f42", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   syn v1.0.72 (as host dependency): extra-traits, full, visit
[INFO] [stderr] 
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[INFO] [stderr]     Checking wayland-egl v0.28.5
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[INFO] [stderr]     Checking snake v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/snake.rs (2 fixes)
[INFO] [stdout] warning: constant is never used: `BLOCK_SIZE`
[INFO] [stdout]  --> src/draw.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BLOCK_SIZE: f64 = 25.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCK_SIZE`
[INFO] [stdout]  --> src/draw.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BLOCK_SIZE: f64 = 25.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_coord`
[INFO] [stdout]  --> src/draw.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn to_coord(game_coord: i32) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn draw_block(color: Color, x: i32, y:i32, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn draw_rectangle(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SNAKE_COLOR: Color = [0.00, 0.80, 0.00, 1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/snake.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oposite`
[INFO] [stdout]   --> src/snake.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn oposite(&self) -> Direction {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/snake.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Snake {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(x: i32, y:i32) -> Snake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_coord`
[INFO] [stdout]  --> src/draw.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn to_coord(game_coord: i32) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn draw_block(color: Color, x: i32, y:i32, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn move_forward(&mut self, _dir: Option<Direction>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn draw_rectangle(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SNAKE_COLOR: Color = [0.00, 0.80, 0.00, 1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/snake.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oposite`
[INFO] [stdout]   --> src/snake.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn oposite(&self) -> Direction {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/snake.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Snake {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(x: i32, y:i32) -> Snake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn move_forward(&mut self, _dir: Option<Direction>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.69.0
[INFO] [stderr]     Checking piston v0.53.0
[INFO] [stderr]     Checking piston_window v0.120.0
[INFO] [stderr]     Checking snake v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: constant is never used: `BLOCK_SIZE`
[INFO] [stdout]  --> src/draw.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BLOCK_SIZE: f64 = 25.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_coord`
[INFO] [stdout]  --> src/draw.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn to_coord(game_coord: i32) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn draw_block(color: Color, x: i32, y:i32, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn draw_rectangle(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SNAKE_COLOR: Color = [0.00, 0.80, 0.00, 1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/snake.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oposite`
[INFO] [stdout]   --> src/snake.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn oposite(&self) -> Direction {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/snake.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Snake {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(x: i32, y:i32) -> Snake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn move_forward(&mut self, _dir: Option<Direction>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOCK_SIZE`
[INFO] [stdout]  --> src/draw.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BLOCK_SIZE: f64 = 25.0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_coord`
[INFO] [stdout]  --> src/draw.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn to_coord(game_coord: i32) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn draw_block(color: Color, x: i32, y:i32, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn draw_rectangle(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const SNAKE_COLOR: Color = [0.00, 0.80, 0.00, 1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/snake.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `oposite`
[INFO] [stdout]   --> src/snake.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn oposite(&self) -> Direction {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Block`
[INFO] [stdout]   --> src/snake.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Snake {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(x: i32, y:i32) -> Snake {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g: &mut G2d) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn move_forward(&mut self, _dir: Option<Direction>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `Command { std: "docker" "inspect" "fc93c8c4f64b0dd869d4346e4b318dfec66465fcd14ab0b076edcfb203e25f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc93c8c4f64b0dd869d4346e4b318dfec66465fcd14ab0b076edcfb203e25f42", kill_on_drop: false }`
[INFO] [stdout] fc93c8c4f64b0dd869d4346e4b318dfec66465fcd14ab0b076edcfb203e25f42