[INFO] cloning repository https://github.com/dhubber/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhubber/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhubber%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhubber%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da70413d00cb1cff67a2e58803b5ef10635ba506
[INFO] checking dhubber/rust_playground against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhubber%2Frust_playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dhubber/rust_playground
[INFO] finished tweaking git repo https://github.com/dhubber/rust_playground
[INFO] tweaked toml for git repo https://github.com/dhubber/rust_playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dhubber/rust_playground on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dhubber/rust_playground 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rust_playground` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded kira v0.8.7
[INFO] [stderr]   Downloaded glium v0.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c
[INFO] running `Command { std: "docker" "start" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c", 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" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c", 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" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rust_playground` (manifest) generated 1 warning
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[INFO] [stdout] warning: unused import: `EventType`
[INFO] [stdout]  --> src/renderer.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Camera2d, Color4, Event, EventType, Scene, Vertex2d};
[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: `glium::buffer::BufferMode::Default`
[INFO] [stdout]  --> src/application.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use glium::buffer::BufferMode::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Camera2d`
[INFO] [stdout]  --> src/application.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{AudioSystem, Camera2d, Color4, Event, EventType, Game, SceneUpdate, Update, WindowParameters};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/rpgf.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/rpgf.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/rpgf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/rpgf.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::collision::CollisionSolver`
[INFO] [stdout]   --> src/rpgf.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::collision::CollisionSolver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `EventManager` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/rpgf.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use event::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::event::EventManager`
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::renderer::Renderer`
[INFO] [stdout]   --> src/rpgf.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::renderer::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventType`
[INFO] [stdout]  --> src/renderer.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Camera2d, Color4, Event, EventType, Scene, Vertex2d};
[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: `glium::buffer::BufferMode::Default`
[INFO] [stdout]  --> src/application.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use glium::buffer::BufferMode::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Camera2d`
[INFO] [stdout]  --> src/application.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{AudioSystem, Camera2d, Color4, Event, EventType, Game, SceneUpdate, Update, WindowParameters};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/rpgf.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/rpgf.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/rpgf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/rpgf.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::collision::CollisionSolver`
[INFO] [stdout]   --> src/rpgf.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::collision::CollisionSolver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `EventManager` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/rpgf.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use event::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::event::EventManager`
[INFO] [stdout]   --> src/rpgf.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::event::EventManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::renderer::Renderer`
[INFO] [stdout]   --> src/rpgf.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::renderer::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Game`
[INFO] [stdout]  --> src/collision.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::game::{Game, SceneUpdate};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Game`
[INFO] [stdout]  --> src/collision.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::game::{Game, SceneUpdate};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game_object.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn set_id(&self, id: u128) {}
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game_object.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn set_id(&self, id: u128) {}
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/renderer.rs:75:41
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn update(&mut self, scene: &Scene, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/renderer.rs:75:41
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn update(&mut self, scene: &Scene, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/renderer.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn update(&mut self, scene: &Scene, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/renderer.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn on_event(&mut self, event: &Event) -> Option<Vec<Event>> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/renderer.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn update(&mut self, scene: &Scene, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> src/renderer.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn on_event(&mut self, event: &Event) -> Option<Vec<Event>> {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/collision.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn on_event(&mut self, event: &Event) -> Option<Vec<Event>> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/collision.rs:91:28
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn on_event(&mut self, event: &Event) -> Option<Vec<Event>> {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut renderer = Rc::new(RefCell::new(Renderer::new(display, &camera2d, &self.window_parameters.background_color)));
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut renderer = Rc::new(RefCell::new(Renderer::new(display, &camera2d, &self.window_parameters.background_color)));
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut collision_solver = Rc::new(RefCell::new(CollisionSolver::new()));
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut audio_system = Rc::new(RefCell::new(AudioSystem::new()));
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut collision_solver = Rc::new(RefCell::new(CollisionSolver::new()));
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/application.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut audio_system = Rc::new(RefCell::new(AudioSystem::new()));
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_color` is never read
[INFO] [stdout]   --> src/renderer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Renderer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     background_color: Color4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_color` is never read
[INFO] [stdout]   --> src/renderer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Renderer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     background_color: Color4,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glium::buffer::BufferMode::Default`
[INFO] [stdout]  --> src/breakout/bat.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glium::buffer::BufferMode::Default;
[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: `SceneUpdate`
[INFO] [stdout]  --> src/breakout/breakout.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rpgf::{Camera2d, Color4, Event, EventListener, EventType, Game, Scene, SceneUpdate, Update, WindowParameters};
[INFO] [stdout]   |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glium::buffer::BufferMode::Default`
[INFO] [stdout]  --> src/breakout/bat.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use glium::buffer::BufferMode::Default;
[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: `SceneUpdate`
[INFO] [stdout]  --> src/breakout/breakout.rs:7:76
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rpgf::{Camera2d, Color4, Event, EventListener, EventType, Game, Scene, SceneUpdate, Update, WindowParameters};
[INFO] [stdout]   |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/breakout/ball.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |             EventType::OnCollisionEnter{id, other, aab1, aab2} => {
[INFO] [stdout]    |                                         ^^ help: try ignoring the field: `id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/breakout/breakout.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn update(&mut self, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/breakout/breakout.rs:90:37
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn update(&mut self, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COLOR_LERP_TIME` is never used
[INFO] [stdout]   --> src/breakout/breakout.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const COLOR_LERP_TIME: f32 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/breakout/ball.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |             EventType::OnCollisionEnter{id, other, aab1, aab2} => {
[INFO] [stdout]    |                                         ^^ help: try ignoring the field: `id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/breakout/breakout.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn update(&mut self, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta_time`
[INFO] [stdout]   --> src/breakout/breakout.rs:90:37
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn update(&mut self, time: f32, delta_time: f32) -> Option<Vec<Event>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COLOR_LERP_TIME` is never used
[INFO] [stdout]   --> src/breakout/breakout.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const COLOR_LERP_TIME: f32 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `multimap`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | multimap = "0.10.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `multimap`
[INFO] [stderr] warning: `rust_playground` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.30.10, glutin-winit v0.3.0, winit v0.28.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c", kill_on_drop: false }`
[INFO] [stdout] 629d1ae77b51f3fe98eeb2eea1083b9bfc3c5ec35991607f5aad009d8391e02c
