[INFO] fetching crate soft_skia 0.12.0...
[INFO] checking soft_skia-0.12.0 against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] extracting crate soft_skia 0.12.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate soft_skia 0.12.0
[INFO] finished tweaking crates.io crate soft_skia 0.12.0
[INFO] tweaked toml for crates.io crate soft_skia 0.12.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate soft_skia 0.12.0 on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 125 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding fontdue v0.7.3 (available: v0.9.3)
[INFO] [stderr]       Adding png v0.17.16 (available: v0.18.0)
[INFO] [stderr]       Adding tiny-skia v0.10.0 (available: v0.11.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-skia-path v0.10.0
[INFO] [stderr]   Downloaded ttf-parser v0.15.2
[INFO] [stderr]   Downloaded fontdue v0.7.3
[INFO] [stderr]   Downloaded tiny-skia v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4d0fae2850f4b97e749d75a6abc62bfdfaecc7e81dd14021344d0f8bf58f858
[INFO] running `Command { std: "docker" "start" "-a" "f4d0fae2850f4b97e749d75a6abc62bfdfaecc7e81dd14021344d0f8bf58f858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d0fae2850f4b97e749d75a6abc62bfdfaecc7e81dd14021344d0f8bf58f858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d0fae2850f4b97e749d75a6abc62bfdfaecc7e81dd14021344d0f8bf58f858", kill_on_drop: false }`
[INFO] [stdout] f4d0fae2850f4b97e749d75a6abc62bfdfaecc7e81dd14021344d0f8bf58f858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4192e12e191bc856aa483307daf8d00d595cb42d8b7e7968874cab5aa9c97d44
[INFO] running `Command { std: "docker" "start" "-a" "4192e12e191bc856aa483307daf8d00d595cb42d8b7e7968874cab5aa9c97d44", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::shape::Circle`
[INFO] [stdout]  --> src/tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::shape::Circle;
[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: `tiny_skia::ColorU8`
[INFO] [stdout]  --> src/tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tiny_skia::ColorU8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::PaintStyle`
[INFO] [stdout]   --> src/instance.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use crate::shape::PaintStyle;
[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 imports: `ColorU8`, `FillRule`, `Paint`, `PathBuilder`, `Stroke`, and `Transform`
[INFO] [stdout]    --> src/shape.rs:636:17
[INFO] [stdout]     |
[INFO] [stdout] 636 |     use super::{ColorU8, FillRule, Paint, PathBuilder, Pixmap, Stroke, Transform};
[INFO] [stdout]     |                 ^^^^^^^  ^^^^^^^^  ^^^^^  ^^^^^^^^^^^          ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::Circle`
[INFO] [stdout]    --> src/shape.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |     use crate::shape::Circle;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::PaintStyle`
[INFO] [stdout]    --> src/shape.rs:639:9
[INFO] [stdout]     |
[INFO] [stdout] 639 |     use crate::shape::PaintStyle;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shape::PaintStyle`
[INFO] [stdout]    --> src/tree.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use crate::shape::PaintStyle;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ColorU8`
[INFO] [stdout]    --> src/tree.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::ColorU8;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::io::Reader`: this type has been moved and renamed to image::ImageReader
[INFO] [stdout]   --> src/shape.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::io::Reader as ImageReader;
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]    --> src/shape.rs:517:32
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let u8_array = base64::decode(&self.image).expect("base64 decode failed");
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::io::Reader`: this type has been moved and renamed to image::ImageReader
[INFO] [stdout]    --> src/shape.rs:520:23
[INFO] [stdout]     |
[INFO] [stdout] 520 |         let mut img = ImageReader::new(Cursor::new(&u8_array as &[u8])).with_guessed_format().unwrap().decode().unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]    --> src/shape.rs:668:32
[INFO] [stdout]     |
[INFO] [stdout] 668 |         let data_url = base64::encode(&data);
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::io::Reader`: this type has been moved and renamed to image::ImageReader
[INFO] [stdout]   --> src/shape.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::io::Reader as ImageReader;
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::decode`: Use Engine::decode
[INFO] [stdout]    --> src/shape.rs:517:32
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let u8_array = base64::decode(&self.image).expect("base64 decode failed");
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `image::io::Reader`: this type has been moved and renamed to image::ImageReader
[INFO] [stdout]    --> src/shape.rs:520:23
[INFO] [stdout]     |
[INFO] [stdout] 520 |         let mut img = ImageReader::new(Cursor::new(&u8_array as &[u8])).with_guessed_format().unwrap().decode().unwrap();
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/instance.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut child = self.get_tree_node_by_id(child_id).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/instance.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut child = self.get_tree_node_by_id(child_id).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/instance.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut child = self.get_tree_node_by_id(child_id).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/instance.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut child = self.get_tree_node_by_id(child_id).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/instance.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 width,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `width: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/instance.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 height,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `height: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/instance.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 color,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `color: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/instance.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 style,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `style: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/instance.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 style,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `style: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/shape.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_path(&self, context: &DrawContext) -> Path {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/shape.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn get_path(&self, context: &DrawContext) -> Path {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 199 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 209 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 268 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 278 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 333 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 343 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 199 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 209 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 472 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 482 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 268 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 278 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 343 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:343:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 333 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 343 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/shape.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 482 |             _ => {}
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/shape.rs:482:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             PaintStyle::Stroke => {
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 472 |             PaintStyle::Fill => {
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 482 |             _ => {}
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/shape.rs:516:41
[INFO] [stdout]     |
[INFO] [stdout] 516 |     fn draw(&self, pixmap: &mut Pixmap, context: &DrawContext) -> () {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/shape.rs:516:41
[INFO] [stdout]     |
[INFO] [stdout] 516 |     fn draw(&self, pixmap: &mut Pixmap, context: &DrawContext) -> () {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/shape.rs:560:41
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn draw(&self, pixmap: &mut Pixmap, context: &DrawContext) -> () {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/shape.rs:560:41
[INFO] [stdout]     |
[INFO] [stdout] 560 |     fn draw(&self, pixmap: &mut Pixmap, context: &DrawContext) -> () {
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut root = tree.get_root();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/tree.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 x,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/tree.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 y,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/tree.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 color,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `color: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn children_iter(&mut self) -> Iter<Box<Node>> {
[INFO] [stdout]    |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn children_iter(&mut self) -> Iter<'_, Box<Node>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/tree.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 style,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `style: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/tree.rs:155:17
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 x,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/tree.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 y,
[INFO] [stdout]     |                 ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/tree.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 color,
[INFO] [stdout]     |                 ^^^^^ help: try ignoring the field: `color: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn children_iter_mut(&mut self) -> IterMut<Box<Node>> {
[INFO] [stdout]    |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn children_iter_mut(&mut self) -> IterMut<'_, Box<Node>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut child_index_1 = node.get_mut_child_by_index(1).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cy`
[INFO] [stdout]    --> src/tree.rs:308:21
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     cy,
[INFO] [stdout]     |                     ^^ help: try ignoring the field: `cy: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/tree.rs:309:21
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     r,
[INFO] [stdout]     |                     ^ help: try ignoring the field: `r: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/tree.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |                     color,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `color: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/tree.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |                     style,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `style: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cy`
[INFO] [stdout]    --> src/tree.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                     cy,
[INFO] [stdout]     |                     ^^ help: try ignoring the field: `cy: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/tree.rs:326:21
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     r,
[INFO] [stdout]     |                     ^ help: try ignoring the field: `r: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/tree.rs:327:21
[INFO] [stdout]     |
[INFO] [stdout] 327 |                     color,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `color: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]    --> src/tree.rs:328:21
[INFO] [stdout]     |
[INFO] [stdout] 328 |                     style,
[INFO] [stdout]     |                     ^^^^^ help: try ignoring the field: `style: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn children_iter(&mut self) -> Iter<Box<Node>> {
[INFO] [stdout]    |                          ^^^^^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn children_iter(&mut self) -> Iter<'_, Box<Node>> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tree.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn children_iter_mut(&mut self) -> IterMut<Box<Node>> {
[INFO] [stdout]    |                              ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn children_iter_mut(&mut self) -> IterMut<'_, Box<Node>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.73s
[INFO] running `Command { std: "docker" "inspect" "4192e12e191bc856aa483307daf8d00d595cb42d8b7e7968874cab5aa9c97d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4192e12e191bc856aa483307daf8d00d595cb42d8b7e7968874cab5aa9c97d44", kill_on_drop: false }`
[INFO] [stdout] 4192e12e191bc856aa483307daf8d00d595cb42d8b7e7968874cab5aa9c97d44
