[INFO] cloning repository https://github.com/hafley66/egui-bootcamp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hafley66/egui-bootcamp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafley66%2Fegui-bootcamp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafley66%2Fegui-bootcamp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 702f0f6dbb593d20f5df727f8b8ad2297302e99c
[INFO] checking hafley66/egui-bootcamp against 24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhafley66%2Fegui-bootcamp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hafley66/egui-bootcamp
[INFO] finished tweaking git repo https://github.com/hafley66/egui-bootcamp
[INFO] tweaked toml for git repo https://github.com/hafley66/egui-bootcamp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hafley66/egui-bootcamp on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hafley66/egui-bootcamp 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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62
[INFO] running `Command { std: "docker" "start" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62", 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" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62", 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" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex01_shapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[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: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f32::consts::TAU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex06_overlay.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |                     ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout] 50 +         let pulse = (time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5; // 0..1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex01_shapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[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: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f32::consts::TAU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex06_overlay.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |                     ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout] 50 +         let pulse = (time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5; // 0..1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/exercises/ex01_shapes.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let offset = rect.min.to_vec2();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut clicks = 0;
[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: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn button_row(ui: &mut Ui) -> usize {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn styled_card(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn data_grid(ui: &mut Ui) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn scroll_list(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn sidebar_layout(ui: &mut Ui) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (rect, response) = ui.allocate_exact_size(size, Sense::drag());
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pos = state.drag_pos.get_or_insert(rect.center());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex04_interaction.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(200.0, 100.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t = ui.ctx().animate_bool_with_time(Id::new("ex05_toggle"), state.toggle_on, 0.3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/exercises/ex01_shapes.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let offset = rect.min.to_vec2();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animated_x`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let animated_x = ui.ctx().animate_value_with_time(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_animated_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut clicks = 0;
[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: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn button_row(ui: &mut Ui) -> usize {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn styled_card(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn data_grid(ui: &mut Ui) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn scroll_list(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn sidebar_layout(ui: &mut Ui) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (i, &pos) in state.word_positions.iter().enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let origin = state.word_positions[0];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n = targets.len();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:60
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let painter = ui.painter();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let origin = state.word_positions[0];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let t = ui.ctx().animate_bool_with_time(id, state.active, 0.4);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (rect, response) = ui.allocate_exact_size(size, Sense::drag());
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pos = state.drag_pos.get_or_insert(rect.center());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:161:16
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(400.0, 300.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex04_interaction.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(200.0, 100.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t = ui.ctx().animate_bool_with_time(Id::new("ex05_toggle"), state.toggle_on, 0.3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animated_x`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let animated_x = ui.ctx().animate_value_with_time(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_animated_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (i, &pos) in state.word_positions.iter().enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let origin = state.word_positions[0];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n = targets.len();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:60
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let painter = ui.painter();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let origin = state.word_positions[0];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let t = ui.ctx().animate_bool_with_time(id, state.active, 0.4);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:161:16
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(400.0, 300.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PI`
[INFO] [stdout]  --> examples/radar.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f32::consts::{PI, TAU};
[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: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex01_shapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[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: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f32::consts::TAU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex06_overlay.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |                     ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout] 50 +         let pulse = (time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5; // 0..1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex01_shapes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[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: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::TAU`
[INFO] [stdout]  --> src/exercises/ex05_animation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::f32::consts::TAU;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epaint::*`
[INFO] [stdout]  --> src/exercises/ex06_overlay.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use epaint::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |                     ^                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 50 -         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout] 50 +         let pulse = (time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5; // 0..1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/exercises.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let (_, ctx) = run_exercise_frame(|ui| {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex01_shapes.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:210:85
[INFO] [stdout]     |
[INFO] [stdout] 210 |         painter.line_segment([plot.left_bottom(), plot.right_bottom()], Stroke::new(1.0, axis_color));
[INFO] [stdout]     |                                                                                     ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]     = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:211:81
[INFO] [stdout]     |
[INFO] [stdout] 211 |         painter.line_segment([plot.left_bottom(), plot.left_top()], Stroke::new(1.0, axis_color));
[INFO] [stdout]     |                                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |             Stroke::new(0.5, Color32::from_gray(35)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |             Stroke::new(2.0, Color32::from_rgb(0, 220, 0)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Stroke::new(1.0, Color32::from_rgb(255, 140, 40)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:288:85
[INFO] [stdout]     |
[INFO] [stdout] 288 |         painter.line_segment([plot.left_bottom(), plot.right_bottom()], Stroke::new(1.0, axis_color));
[INFO] [stdout]     |                                                                                     ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:289:81
[INFO] [stdout]     |
[INFO] [stdout] 289 |         painter.line_segment([plot.left_bottom(), plot.left_top()], Stroke::new(1.0, axis_color));
[INFO] [stdout]     |                                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |             Stroke::new(0.5, Color32::from_gray(35)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/exercises/ex01_shapes.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let offset = rect.min.to_vec2();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut clicks = 0;
[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: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn button_row(ui: &mut Ui) -> usize {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn styled_card(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn data_grid(ui: &mut Ui) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn scroll_list(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn sidebar_layout(ui: &mut Ui) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/exercises/ex01_shapes.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let offset = rect.min.to_vec2();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut clicks = 0;
[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: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn button_row(ui: &mut Ui) -> usize {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn styled_card(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn data_grid(ui: &mut Ui) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn scroll_list(ui: &mut Ui) {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex02_layout.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn sidebar_layout(ui: &mut Ui) {
[INFO] [stdout]    |                       ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn counter(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (rect, response) = ui.allocate_exact_size(size, Sense::drag());
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pos = state.drag_pos.get_or_insert(rect.center());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:43:31
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn todo_list(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:68:37
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn change_detector(ui: &mut Ui, state: &mut Ex03State) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ui`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:22
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_ui`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/exercises/ex03_state.rs:83:35
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn derived_stats(ui: &mut Ui, state: &Ex03State) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (rect, response) = ui.allocate_exact_size(size, Sense::drag());
[INFO] [stdout]    |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex04_interaction.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pos = state.drag_pos.get_or_insert(rect.center());
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:351:29
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 Stroke::new(0.4, grid_color),
[INFO] [stdout]     |                             ^^^ help: explicitly specify the type as `f32`: `0.4_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:432:38
[INFO] [stdout]     |
[INFO] [stdout] 432 |                     if frac == 1.0 { 1.5 } else { 0.5 },
[INFO] [stdout]     |                                      ^^^ help: explicitly specify the type as `f32`: `1.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:432:51
[INFO] [stdout]     |
[INFO] [stdout] 432 |                     if frac == 1.0 { 1.5 } else { 0.5 },
[INFO] [stdout]     |                                                   ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:441:25
[INFO] [stdout]     |
[INFO] [stdout] 441 |             Stroke::new(0.5, dim),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:445:25
[INFO] [stdout]     |
[INFO] [stdout] 445 |             Stroke::new(0.5, dim),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:451:25
[INFO] [stdout]     |
[INFO] [stdout] 451 |             Stroke::new(0.3, Color32::from_rgba_unmultiplied(0, 40, 0, 80)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.3_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:455:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |             Stroke::new(0.3, Color32::from_rgba_unmultiplied(0, 40, 0, 80)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `0.3_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:466:25
[INFO] [stdout]     |
[INFO] [stdout] 466 |             Stroke::new(1.0, Color32::from_rgba_unmultiplied(0, 200, 0, 100)),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:478:29
[INFO] [stdout]     |
[INFO] [stdout] 478 |                 Stroke::new(0.5, Color32::from_rgba_unmultiplied(0, 160, 0, alpha)),
[INFO] [stdout]     |                             ^^^ help: explicitly specify the type as `f32`: `0.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:517:25
[INFO] [stdout]     |
[INFO] [stdout] 517 |             Stroke::new(2.0, vec_color),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex04_interaction.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(200.0, 100.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex04_interaction.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(200.0, 100.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t = ui.ctx().animate_bool_with_time(Id::new("ex05_toggle"), state.toggle_on, 0.3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let t = ui.ctx().animate_bool_with_time(Id::new("ex05_toggle"), state.toggle_on, 0.3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:581:29
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 Stroke::new(2.0, Color32::from_rgba_unmultiplied(255, 140, 0, halo_alpha)),
[INFO] [stdout]     |                             ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animated_x`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let animated_x = ui.ctx().animate_value_with_time(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_animated_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `animated_x`
[INFO] [stdout]   --> src/exercises/ex05_animation.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let animated_x = ui.ctx().animate_value_with_time(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_animated_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:587:56
[INFO] [stdout]     |
[INFO] [stdout] 587 |         painter.rect_stroke(btn_rect, 3.0, Stroke::new(1.5, border_color), StrokeKind::Outside);
[INFO] [stdout]     |                                                        ^^^ help: explicitly specify the type as `f32`: `1.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (i, &pos) in state.word_positions.iter().enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     for (i, &pos) in state.word_positions.iter().enumerate() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let origin = state.word_positions[0];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let pulse = ((time * TAU * 0.8 + phase_offset).sin() * 0.5 + 0.5); // 0..1
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n = targets.len();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> examples/radar.rs:606:25
[INFO] [stdout]     |
[INFO] [stdout] 606 |             Stroke::new(1.5, tri_color),
[INFO] [stdout]     |                         ^^^ help: explicitly specify the type as `f32`: `1.5_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let painter = ui.painter();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let origin = state.word_positions[0];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n = targets.len();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:60
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let painter = ui.painter();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let origin = state.word_positions[0];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let t = ui.ctx().animate_bool_with_time(id, state.active, 0.4);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/exercises/ex06_overlay.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:60
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `painter`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let painter = ui.painter();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_painter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:161:16
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(400.0, 300.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let origin = state.word_positions[0];
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |     for (i, &target) in targets.iter().enumerate() {
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let t = ui.ctx().animate_bool_with_time(id, state.active, 0.4);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:161:16
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let (rect, response) = ui.allocate_exact_size(Vec2::new(400.0, 300.0), Sense::click());
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `counter`, `text_input`, `items`, and `selected_index` are never read
[INFO] [stdout]   --> src/exercises/ex03_state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Ex03State {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 16 |     pub counter: i32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 17 |     pub text_input: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 18 |     pub items: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub selected_index: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `animated_curves` is never used
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `counter`, `text_input`, `items`, and `selected_index` are never read
[INFO] [stdout]   --> src/exercises/ex03_state.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Ex03State {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 16 |     pub counter: i32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 17 |     pub text_input: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 18 |     pub items: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub selected_index: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `animated_curves` is never used
[INFO] [stdout]    --> src/exercises/ex06_overlay.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn animated_curves(ui: &mut Ui, state: &mut Ex06State, time: f32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62", kill_on_drop: false }`
[INFO] [stdout] 6338afccfcabbc67a334c0b6720ba9cd5f730b871cf06acbfce6ceb519f88f62
