[INFO] cloning repository https://github.com/sdunifon/tinyrenderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdunifon/tinyrenderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Ftinyrenderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Ftinyrenderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec918342a22bff82049ea3461c88df719854777d
[INFO] checking sdunifon/tinyrenderer against c397dae808f70caebab1fc4e11b3edf7e59f58c7 for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2Ftinyrenderer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sdunifon/tinyrenderer
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/sdunifon/tinyrenderer
[INFO] tweaked toml for git repo https://github.com/sdunifon/tinyrenderer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdunifon/tinyrenderer on toolchain c397dae808f70caebab1fc4e11b3edf7e59f58c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdunifon/tinyrenderer 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" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403
[INFO] running `Command { std: "docker" "start" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403", 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" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403", 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" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Resizer` and `Translator`
[INFO] [stdout]  --> src/image/traits.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::scalar::{Resizer, Translator};
[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::Scalar`
[INFO] [stdout]  --> src/image/traits.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::Scalar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Vertex`
[INFO] [stdout]  --> src/image/traits.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Vertex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::drawable::Drawable`
[INFO] [stdout]  --> src/image/traits.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::drawable::Drawable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Resizer` and `Translator`
[INFO] [stdout]  --> src/canvas.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::image::scalar::{Resizer, Translator};
[INFO] [stdout]   |                            ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DrawCmd`
[INFO] [stdout]  --> src/digit.rs:3:62
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Boundable, BoundingBox, Colorful, DrawBoundable, DrawCmd, RenderError, ToImageBuffer, Xy};
[INFO] [stdout]   |                                                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/draw_at.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/draw_at.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::drawable::DrawInstructions`
[INFO] [stdout]  --> src/draw_at.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::drawable::DrawInstructions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RenderError` and `ToDrawCommands`
[INFO] [stdout]  --> src/draw_at.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Boundable, Canvas, DrawCmd, Drawable, RenderError, Xy, ToDrawCommands};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::DrawCmd::Circle`
[INFO] [stdout]  --> src/draw_at.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::DrawCmd::Circle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::draw_set_cmd`
[INFO] [stdout]  --> src/draw_at.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::draw_set_cmd;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/draw_at.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/draw_cmd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/draw_cmd.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Range};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Circle`
[INFO] [stdout]  --> src/draw_cmd.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{color, BoundingBox, Circle, Color, Drawable, ImageBuffer, ToImageBuffer, Xy};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::drawable::PxSet`
[INFO] [stdout]  --> src/image_buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::drawable::PxSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_arg_infer` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(generic_arg_infer)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `str_split_as_str`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(str_split_as_str)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `str_split_at`
[INFO] [stdout]   |
[INFO] [stdout] 3 - #![feature(str_split_as_str)]
[INFO] [stdout] 3 + #![feature(str_split_at)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/image/traits.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             todo!("correct me");
[INFO] [stdout]    |             ------------------- any code following this expression is unreachable
[INFO] [stdout] 30 |             Some((Xy(0, 0), color))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/draw_at.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         todo!();
[INFO] [stdout]    |         ------- any code following this expression is unreachable
[INFO] [stdout] 30 |         Ok(())
[INFO] [stdout]    |         ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/image/traits.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let color = self.buffer.data[self.index];
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/image/traits.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn draw_buffer(&self, destination: impl Canvas) {}
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xy`
[INFO] [stdout]   --> src/triangle/barycentric.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from_xy(xy: Xy, triangle: Triangle) {}
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_xy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `triangle`
[INFO] [stdout]   --> src/triangle/barycentric.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from_xy(xy: Xy, triangle: Triangle) {}
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_triangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bary_coord`
[INFO] [stdout]   --> src/triangle.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn barycentric_to_xy<T>(bary_coord: BaryCoord<T>) -> Xy {
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bary_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]    --> src/digit.rs:315:23
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn draw_on(&self, canvas: &mut dyn Canvas) -> Result<(), RenderError> {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `digits`
[INFO] [stdout]    --> src/digit.rs:318:13
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let digits = string
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tinyrenderer` (lib) due to 1 previous error; 49 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/draw_at.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn draw_on(self: &DrawAt, canvas: &mut dyn Canvas) -> Result<(), crate::RenderError> {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/draw_at.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set(&mut self, point: Xy, color: &crate::Color) {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/draw_at.rs:52:34
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn set(&mut self, point: Xy, color: &crate::Color) {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/draw_at.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn get(&self, point: Xy) -> &crate::Color {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drawable`
[INFO] [stdout]   --> src/draw_at.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn draw(&mut self, drawable: &dyn Drawable) {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertex`
[INFO] [stdout]   --> src/draw_at.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn scale(&self, vertex: &crate::Vertex) -> Xy {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/draw_at.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 |     |canvas| println!(" in closure ")
[INFO] [stdout]    |      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xy`
[INFO] [stdout]   --> src/draw_at.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn change_at(xy: Xy, cmds: Vec<DrawCmd>) -> impl Fn(&dyn Canvas) {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_xy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/draw_cmd.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn draw_on(&self, canvas: &mut dyn crate::Canvas) -> Result<(), crate::RenderError> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bbox`
[INFO] [stdout]   --> src/draw_cmd.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |             DrawCmd::Clear(bbox) =>{todo!()}// DrawCmd::Clear(*bbox + other),
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_bbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/draw_cmd.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |             DrawCmd::CopyBuffer(buffer) => todo!( "need to copy the buffer")
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xy`
[INFO] [stdout]   --> src/drawable.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let xy = Xy(3, 4);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_xy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `px`
[INFO] [stdout]   --> src/drawable.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn px_set(&self, px: Xy) {}
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_px`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xy`
[INFO] [stdout]   --> src/drawable.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn set(&self, xy: Xy) -> Xy {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_xy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `px`
[INFO] [stdout]   --> src/drawable.rs:60:22
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn px_set(&self, px: Xy) {}
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_px`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xy`
[INFO] [stdout]   --> src/drawable.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn set(&self, xy: Xy) -> Xy {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_xy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/drawable.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let a = 5;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `px`
[INFO] [stdout]   --> src/drawable.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn px_set_color(&self, px: Xy, color: Color) {
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_px`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]   --> src/drawable.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn px_set_color(&self, px: Xy, color: Color) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/image_buffer.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&self, point: Xy) -> &Color {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drawable`
[INFO] [stdout]   --> src/image_buffer.rs:88:24
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn draw(&mut self, drawable: &dyn Drawable) {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drawable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertex`
[INFO] [stdout]    --> src/image_buffer.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn scale(&self, vertex: &Vertex) -> Xy {
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403", kill_on_drop: false }`
[INFO] [stdout] 7403cc607000e4dee35e9ee35f40d6e25d4031466d77c5c391c09adf2c329403
