[INFO] cloning repository https://github.com/meloalright/robinson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meloalright/robinson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloalright%2Frobinson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloalright%2Frobinson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93880a6ab7dcb46d8e271f0943783f14c4d3a431
[INFO] checking meloalright/robinson against 69bccf03c4733f57482f9691456efcd80f86a5f6 for pr-164053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloalright%2Frobinson" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meloalright/robinson
[INFO] finished tweaking git repo https://github.com/meloalright/robinson
[INFO] tweaked toml for git repo https://github.com/meloalright/robinson written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meloalright/robinson on toolchain 69bccf03c4733f57482f9691456efcd80f86a5f6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meloalright/robinson 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" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291
[INFO] running `Command { std: "docker" "start" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291", 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" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291", 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" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291" "/opt/rustwide/cargo-home/bin/cargo" "+69bccf03c4733f57482f9691456efcd80f86a5f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking flate2 v1.1.0
[INFO] [stderr]     Checking fontdue v0.7.3
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking image v0.25.5
[INFO] [stderr]     Checking robinson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::css`
[INFO] [stdout]    --> src/layout.rs:829:9
[INFO] [stdout]     |
[INFO] [stdout] 829 |     use super::super::css;
[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: `super::super::html`
[INFO] [stdout]    --> src/layout.rs:830:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |     use super::super::html;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/layout.rs:831:9
[INFO] [stdout]     |
[INFO] [stdout] 831 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/paint.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 for y in (y0..y1) {
[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] 148 -                 for y in (y0..y1) {
[INFO] [stdout] 148 +                 for y in y0..y1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/paint.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     for x in (x0..x1) {
[INFO] [stdout]     |                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                     for x in (x0..x1) {
[INFO] [stdout] 149 +                     for x in x0..x1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::css`
[INFO] [stdout]    --> src/paint.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use super::super::css;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::html`
[INFO] [stdout]    --> src/paint.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     use super::super::html;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::layout`
[INFO] [stdout]    --> src/paint.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use super::super::layout;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::style::*`
[INFO] [stdout]    --> src/paint.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use super::super::style::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/paint.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]    --> src/paint.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter` and `Read`
[INFO] [stdout]    --> src/paint.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     use std::io::{BufWriter, Read};
[INFO] [stdout]     |                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::css`
[INFO] [stdout]    --> src/style.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use super::super::css;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::html`
[INFO] [stdout]    --> src/style.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use super::super::html;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/style.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dom::*`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use dom::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fontdue::Font`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use fontdue::Font;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RgbImage` and `Rgb`
[INFO] [stdout]   --> src/lib.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use image::{Rgb, RgbImage};
[INFO] [stdout]    |                 ^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]    --> src/html.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     use std::collections::HashMap;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/paint.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 for y in (y0..y1) {
[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] 148 -                 for y in (y0..y1) {
[INFO] [stdout] 148 +                 for y in y0..y1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/paint.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     for x in (x0..x1) {
[INFO] [stdout]     |                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                     for x in (x0..x1) {
[INFO] [stdout] 149 +                     for x in x0..x1 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::layout`
[INFO] [stdout]    --> src/paint.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use super::super::layout;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]    --> src/paint.rs:178:30
[INFO] [stdout]     |
[INFO] [stdout] 178 |     use std::io::{BufWriter, Read};
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dom::*`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use dom::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut width = style
[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/layout.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:306:25
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:333:25
[INFO] [stdout]     |
[INFO] [stdout] 333 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:334:25
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:418:13
[INFO] [stdout]     |
[INFO] [stdout] 418 |         let mut height = style
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/layout.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |         for child in &mut self.children {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_as_context_constraints_width` is never read
[INFO] [stdout]    --> src/layout.rs:267:53
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let mut self_as_context_constraints_width = context_constraints_width.clone();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 354 |                 self_as_context_constraints_width = Value::Length(underflow_constraint, Unit::Px);
[INFO] [stdout]     |                 --------------------------------- `self_as_context_constraints_width` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_width`
[INFO] [stdout]    --> src/layout.rs:477:36
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn layout_anonymous(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_width`
[INFO] [stdout]    --> src/layout.rs:550:37
[INFO] [stdout]     |
[INFO] [stdout] 550 |     pub fn layout_inline(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context_constraints_width`
[INFO] [stdout]    --> src/layout.rs:550:61
[INFO] [stdout]     |
[INFO] [stdout] 550 |     pub fn layout_inline(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context_constraints_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let mut width = style
[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/layout.rs:581:21
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:611:25
[INFO] [stdout]     |
[INFO] [stdout] 611 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:612:25
[INFO] [stdout]     |
[INFO] [stdout] 612 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:638:25
[INFO] [stdout]     |
[INFO] [stdout] 638 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:639:25
[INFO] [stdout]     |
[INFO] [stdout] 639 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:723:13
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let mut height = style
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/layout.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 776 |         for child in &mut self.children {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_as_context_constraints_width` is never read
[INFO] [stdout]    --> src/layout.rs:572:53
[INFO] [stdout]     |
[INFO] [stdout] 572 |         let mut self_as_context_constraints_width = context_constraints_width.clone();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 659 |                 self_as_context_constraints_width = Value::Length(underflow_constraint, Unit::Px);
[INFO] [stdout]     |                 --------------------------------- `self_as_context_constraints_width` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `AnonymousBlock`
[INFO] [stdout]    --> src/layout.rs:807:35
[INFO] [stdout]     |
[INFO] [stdout] 807 |                         box_type: AnonymousBlock,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_AnonymousBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:262:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         let mut width = style
[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: `i`
[INFO] [stdout]   --> src/paint.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for (i, element) in ifc.elements.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                 let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:277:21
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:306:25
[INFO] [stdout]     |
[INFO] [stdout] 306 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:333:25
[INFO] [stdout]     |
[INFO] [stdout] 333 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:334:25
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:418:13
[INFO] [stdout]     |
[INFO] [stdout] 418 |         let mut height = style
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/layout.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |         for child in &mut self.children {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_as_context_constraints_width` is never read
[INFO] [stdout]    --> src/layout.rs:267:53
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let mut self_as_context_constraints_width = context_constraints_width.clone();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 354 |                 self_as_context_constraints_width = Value::Length(underflow_constraint, Unit::Px);
[INFO] [stdout]     |                 --------------------------------- `self_as_context_constraints_width` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_width`
[INFO] [stdout]    --> src/layout.rs:477:36
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn layout_anonymous(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container_width`
[INFO] [stdout]    --> src/layout.rs:550:37
[INFO] [stdout]     |
[INFO] [stdout] 550 |     pub fn layout_inline(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context_constraints_width`
[INFO] [stdout]    --> src/layout.rs:550:61
[INFO] [stdout]     |
[INFO] [stdout] 550 |     pub fn layout_inline(&mut self, container_width: Value, context_constraints_width: Value) {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context_constraints_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DisplayList` is never used
[INFO] [stdout]  --> src/paint.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type DisplayList = Vec<DisplayCommand>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DisplayCommand` is never used
[INFO] [stdout]  --> src/paint.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum DisplayCommand {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_display_list` is never used
[INFO] [stdout]   --> src/paint.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn build_display_list(layout_root: &LayoutBox) -> DisplayList {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_layout_box` is never used
[INFO] [stdout]   --> src/paint.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn render_layout_box(list: &mut DisplayList, layout_box: &LayoutBox) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_background` is never used
[INFO] [stdout]   --> src/paint.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn render_background(list: &mut DisplayList, layout_box: &LayoutBox) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_color` is never used
[INFO] [stdout]   --> src/paint.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_color(layout_box: &LayoutBox, name: &str) -> Option<Color> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_borders` is never used
[INFO] [stdout]   --> src/paint.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn render_borders(list: &mut DisplayList, layout_box: &LayoutBox) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Canvas` is never constructed
[INFO] [stdout]    --> src/paint.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Canvas {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `paint_item` are never used
[INFO] [stdout]    --> src/paint.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Canvas {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 123 |     // Create a blank canvas
[INFO] [stdout] 124 |     fn new(width: usize, height: usize) -> Canvas {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     fn paint_item(&mut self, item: &DisplayCommand) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `paint` is never used
[INFO] [stdout]    --> src/paint.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn paint(layout_root: &LayoutBox, bounds: Rect) -> Canvas {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]   --> src/style.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct StyledNode<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     pub(crate) node: &'a Node, // pointer to a DOM node
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StyledNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/layout.rs:541:9
[INFO] [stdout]     |
[INFO] [stdout] 541 |         drop(this_line_children_max_height);
[INFO] [stdout]     |         ^^^^^-----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 541 -         drop(this_line_children_max_height);
[INFO] [stdout] 541 +         let _ = this_line_children_max_height;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:567:13
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let mut width = style
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/layout.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         drop(this_line_children_sum_width);
[INFO] [stdout]     |         ^^^^^----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `f32`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 542 -         drop(this_line_children_sum_width);
[INFO] [stdout] 542 +         let _ = this_line_children_sum_width;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:581:21
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:582:21
[INFO] [stdout]     |
[INFO] [stdout] 582 |                 let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:611:25
[INFO] [stdout]     |
[INFO] [stdout] 611 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:612:25
[INFO] [stdout]     |
[INFO] [stdout] 612 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:638:25
[INFO] [stdout]     |
[INFO] [stdout] 638 |                     let mut margin_left = style.lookup("margin-left", "margin", &zero);
[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/layout.rs:639:25
[INFO] [stdout]     |
[INFO] [stdout] 639 |                     let mut margin_right = style.lookup("margin-right", "margin", &zero);
[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/layout.rs:723:13
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let mut height = style
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/layout.rs:776:13
[INFO] [stdout]     |
[INFO] [stdout] 776 |         for child in &mut self.children {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `self_as_context_constraints_width` is never read
[INFO] [stdout]    --> src/layout.rs:572:53
[INFO] [stdout]     |
[INFO] [stdout] 572 |         let mut self_as_context_constraints_width = context_constraints_width.clone();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 659 |                 self_as_context_constraints_width = Value::Length(underflow_constraint, Unit::Px);
[INFO] [stdout]     |                 --------------------------------- `self_as_context_constraints_width` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AnonymousBlock` should have a snake case name
[INFO] [stdout]    --> src/layout.rs:807:35
[INFO] [stdout]     |
[INFO] [stdout] 807 |                         box_type: AnonymousBlock,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `anonymous_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `AnonymousBlock`
[INFO] [stdout]    --> src/layout.rs:807:35
[INFO] [stdout]     |
[INFO] [stdout] 807 |                         box_type: AnonymousBlock,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_AnonymousBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:843:13
[INFO] [stdout]     |
[INFO] [stdout] 843 |         let mut dimension = Dimensions::default();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dimension`
[INFO] [stdout]    --> src/layout.rs:843:13
[INFO] [stdout]     |
[INFO] [stdout] 843 |         let mut dimension = Dimensions::default();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimension`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/paint.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for (i, element) in ifc.elements.iter().enumerate() {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metrics`
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         for (c, metrics) in &glyphs {
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metrics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]   --> src/style.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct StyledNode<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     pub(crate) node: &'a Node, // pointer to a DOM node
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StyledNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/layout.rs:541:9
[INFO] [stdout]     |
[INFO] [stdout] 541 |         drop(this_line_children_max_height);
[INFO] [stdout]     |         ^^^^^-----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `f32`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 541 -         drop(this_line_children_max_height);
[INFO] [stdout] 541 +         let _ = this_line_children_max_height;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/layout.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         drop(this_line_children_sum_width);
[INFO] [stdout]     |         ^^^^^----------------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `f32`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 542 -         drop(this_line_children_sum_width);
[INFO] [stdout] 542 +         let _ = this_line_children_sum_width;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `AnonymousBlock` should have a snake case name
[INFO] [stdout]    --> src/layout.rs:807:35
[INFO] [stdout]     |
[INFO] [stdout] 807 |                         box_type: AnonymousBlock,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `anonymous_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/paint.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let _unused = image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/paint.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 333 |         let _unused = image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/paint.rs:475:9
[INFO] [stdout]     |
[INFO] [stdout] 475 |         image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately
[INFO] [stdout]     |
[INFO] [stdout] 475 |         let _unused = image::DynamicImage::ImageRgba8(img).write_to(&mut file, image::ImageFormat::Png);
[INFO] [stdout]     |         +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291", kill_on_drop: false }`
[INFO] [stdout] e7baa066dad10ca63cde7ab19c9b60a5f582b266541b6a5abceacadd064fb291