[INFO] cloning repository https://github.com/Perococco/boids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Perococco/boids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerococco%2Fboids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerococco%2Fboids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06bc209bd1df4efb2fc9812cb90625bb09876500
[INFO] checking Perococco/boids against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerococco%2Fboids" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Perococco/boids on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Perococco/boids
[INFO] finished tweaking git repo https://github.com/Perococco/boids
[INFO] tweaked toml for git repo https://github.com/Perococco/boids written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Perococco/boids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed96da506c207da0581ab03ef753773692bb3ab461bfe355241ea3663276e7a
[INFO] running `Command { std: "docker" "start" "-a" "fed96da506c207da0581ab03ef753773692bb3ab461bfe355241ea3663276e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed96da506c207da0581ab03ef753773692bb3ab461bfe355241ea3663276e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed96da506c207da0581ab03ef753773692bb3ab461bfe355241ea3663276e7a", kill_on_drop: false }`
[INFO] [stdout] fed96da506c207da0581ab03ef753773692bb3ab461bfe355241ea3663276e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bbb2b08c4bb1cd516574c24bcd36811646fdb03b975e50d38cd06a47bfe6a70
[INFO] running `Command { std: "docker" "start" "-a" "7bbb2b08c4bb1cd516574c24bcd36811646fdb03b975e50d38cd06a47bfe6a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking vec-tree v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stdout] warning: unused import: `std::path::Iter`
[INFO] [stdout]  --> tree/src/tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> tree/src/tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Iter`
[INFO] [stdout]  --> tree/src/tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> tree/src/tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `children`
[INFO] [stdout]    --> tree/src/tree.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn children(&self) -> Vec<RefNode<T>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `children`
[INFO] [stdout]    --> tree/src/tree.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn children(&self) -> Vec<RefNode<T>> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raylib-sys v3.5.0
[INFO] [stderr]     Checking raylib v3.5.0
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stdout] warning: constant is never used: `SLIDER_BAR_THICKNESS`
[INFO] [stdout]   --> gui/src/slider.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SLIDER_BAR_THICKNESS: f32 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_HEIGHT`
[INFO] [stdout]   --> gui/src/slider.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const SLIDER_CURSOR_HEIGHT: f32 = 30.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_THICKNESS`
[INFO] [stdout]   --> gui/src/slider.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | const SLIDER_CURSOR_THICKNESS: f32 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_COLOR`
[INFO] [stdout]   --> gui/src/slider.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | const SLIDER_CURSOR_COLOR: Color = Color::BLACK;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> gui/src/widget_state.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         &self.dirty_flags.set(dirty);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_BAR_THICKNESS`
[INFO] [stdout]   --> gui/src/slider.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SLIDER_BAR_THICKNESS: f32 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_HEIGHT`
[INFO] [stdout]   --> gui/src/slider.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | const SLIDER_CURSOR_HEIGHT: f32 = 30.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_THICKNESS`
[INFO] [stdout]   --> gui/src/slider.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | const SLIDER_CURSOR_THICKNESS: f32 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SLIDER_CURSOR_COLOR`
[INFO] [stdout]   --> gui/src/slider.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | const SLIDER_CURSOR_COLOR: Color = Color::BLACK;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> gui/src/widget_state.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         &self.dirty_flags.set(dirty);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking boids v0.1.0 (/opt/rustwide/workdir/boids)
[INFO] [stdout] warning: unused import: `raylib::consts::*`
[INFO] [stdout]  --> boids/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use raylib::consts::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GuiData`
[INFO] [stdout]  --> boids/src/main.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use gui::gui::{Gui, GuiData};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::border::Border`
[INFO] [stdout]   --> boids/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use gui::border::Border;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::background::Background`
[INFO] [stdout]   --> boids/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use gui::background::Background;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::fill::Fill`
[INFO] [stdout]   --> boids/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use gui::fill::Fill;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `abort`, `exit`
[INFO] [stdout]   --> boids/src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::process::{abort, exit};
[INFO] [stdout]    |                    ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> boids/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> boids/src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `raylib::consts::*`
[INFO] [stdout]  --> boids/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use raylib::consts::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GuiData`
[INFO] [stdout]  --> boids/src/main.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use gui::gui::{Gui, GuiData};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::border::Border`
[INFO] [stdout]   --> boids/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use gui::border::Border;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::background::Background`
[INFO] [stdout]   --> boids/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use gui::background::Background;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gui::fill::Fill`
[INFO] [stdout]   --> boids/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use gui::fill::Fill;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `abort`, `exit`
[INFO] [stdout]   --> boids/src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::process::{abort, exit};
[INFO] [stdout]    |                    ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> boids/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> boids/src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> boids/src/data/boid.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let v: f32 = rand::random::<f32>() * PI * 2.0;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> boids/src/main.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let mut should_quit = false;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> boids/src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     gui.load_font(&mut rl, &thread, "default", font_path, 48, 200);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> boids/src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     gui.load_font(&mut rl, &thread, "small", font_path, 20, 200);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> boids/src/data/boid.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let v: f32 = rand::random::<f32>() * PI * 2.0;
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> boids/src/main.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let mut should_quit = false;
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> boids/src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     gui.load_font(&mut rl, &thread, "default", font_path, 48, 200);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> boids/src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     gui.load_font(&mut rl, &thread, "small", font_path, 20, 200);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.99s
[INFO] running `Command { std: "docker" "inspect" "7bbb2b08c4bb1cd516574c24bcd36811646fdb03b975e50d38cd06a47bfe6a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbb2b08c4bb1cd516574c24bcd36811646fdb03b975e50d38cd06a47bfe6a70", kill_on_drop: false }`
[INFO] [stdout] 7bbb2b08c4bb1cd516574c24bcd36811646fdb03b975e50d38cd06a47bfe6a70