[INFO] cloning repository https://github.com/re-oh/digital_canvas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/re-oh/digital_canvas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 784eec0f77742d8fa3b218acfeb3329c84761da9
[INFO] checking re-oh/digital_canvas against 416264364aa47959f5827723e1d7dabc95d0744b for pr-162242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/re-oh/digital_canvas
[INFO] finished tweaking git repo https://github.com/re-oh/digital_canvas
[INFO] tweaked toml for git repo https://github.com/re-oh/digital_canvas written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/re-oh/digital_canvas on toolchain 416264364aa47959f5827723e1d7dabc95d0744b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/re-oh/digital_canvas 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" "+416264364aa47959f5827723e1d7dabc95d0744b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `digital_canvas` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../digital_canvas
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `digital-canvas`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:6:8
[INFO] [stderr]    |
[INFO] [stderr]  6 - name = "digital_canvas"
[INFO] [stderr]  6 + name = "digital-canvas"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `digital-canvas`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ opt-level = 3
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "digital-canvas"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `digital_canvas` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229
[INFO] running `Command { std: "docker" "start" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229", 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" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229", 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" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229" "/opt/rustwide/cargo-home/bin/cargo" "+416264364aa47959f5827723e1d7dabc95d0744b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `digital_canvas` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../digital_canvas
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `digital-canvas`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:6:8
[INFO] [stderr]    |
[INFO] [stderr]  6 - name = "digital_canvas"
[INFO] [stderr]  6 + name = "digital-canvas"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `digital-canvas`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 ~ opt-level = 3
[INFO] [stderr] 11 + [[bin]]
[INFO] [stderr] 12 + name = "digital-canvas"
[INFO] [stderr] 13 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `digital_canvas` (manifest) generated 1 warning
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.14.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking digital_canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::RangeInclusive`
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::RangeInclusive;
[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: `Rgba`
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{ImageBuffer, Rgba, RgbaImage};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericRenderData`
[INFO] [stdout]  --> src/digital_canvas/layer.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::render::{GenericRenderData, Renderable};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::render::Renderable`
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::render::Renderable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Canvas` is never constructed
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Canvas {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_layer` are never used
[INFO] [stdout]   --> src/digital_canvas/canvas.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Canvas {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |
[INFO] [stdout] 12 |   fn new(width:u32, height:u32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   fn add_layer(&mut self, name: &str ) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/digital_canvas/layer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_zindex`, `move_above`, `move_below`, `move_down`, and `move_up` are never used
[INFO] [stdout]   --> src/digital_canvas/layer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Layer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |   pub fn new( name: String, dimensions: Dimensions, zindex: i32 ) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub fn set_zindex ( &mut self, z: i32 ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   pub fn move_above ( &mut self, comp_layer:&Layer ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn move_below ( &mut self, comp_layer:&Layer ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   pub fn move_down (&mut self, layers: i32) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   pub fn move_up (&mut self, layers: i32) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Box` is never constructed
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Box {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Line {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Triangle` is never constructed
[INFO] [stdout]   --> src/digital_canvas/graphics.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Triangle {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Oval` is never constructed
[INFO] [stdout]   --> src/digital_canvas/graphics.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Oval {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tuple`, `centroid`, and `delta` are never used
[INFO] [stdout]   --> src/digital_canvas/cords.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Cords2D {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |   pub fn to_tuple(&self) -> (u32, u32) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn centroid(&self, other: &Cords2D) -> Cords2D {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   pub fn delta(&self, other: &Cords2D) -> (i32, i32) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dimensions` is never constructed
[INFO] [stdout]  --> src/digital_canvas/dimensions.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Dimensions {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_from_tuple`, and `to_tuple` are never used
[INFO] [stdout]   --> src/digital_canvas/dimensions.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Dimensions {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  8 |   pub fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |   pub fn new_from_tuple(dims: (u32, u32)) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn to_tuple(&self) -> (u32, u32) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericRenderData` is never constructed
[INFO] [stdout]  --> src/digital_canvas/render.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GenericRenderData {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Renderable` is never used
[INFO] [stdout]  --> src/digital_canvas/render.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Renderable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::RangeInclusive`
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::RangeInclusive;
[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: `Rgba`
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{ImageBuffer, Rgba, RgbaImage};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericRenderData`
[INFO] [stdout]  --> src/digital_canvas/layer.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::render::{GenericRenderData, Renderable};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::render::Renderable`
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::render::Renderable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Canvas` is never constructed
[INFO] [stdout]  --> src/digital_canvas/canvas.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Canvas {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_layer` are never used
[INFO] [stdout]   --> src/digital_canvas/canvas.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Canvas {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 11 |
[INFO] [stdout] 12 |   fn new(width:u32, height:u32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   fn add_layer(&mut self, name: &str ) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Layer` is never constructed
[INFO] [stdout]  --> src/digital_canvas/layer.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Layer {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_zindex`, `move_above`, `move_below`, `move_down`, and `move_up` are never used
[INFO] [stdout]   --> src/digital_canvas/layer.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Layer {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |   pub fn new( name: String, dimensions: Dimensions, zindex: i32 ) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub fn set_zindex ( &mut self, z: i32 ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |   pub fn move_above ( &mut self, comp_layer:&Layer ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn move_below ( &mut self, comp_layer:&Layer ) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   pub fn move_down (&mut self, layers: i32) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   pub fn move_up (&mut self, layers: i32) {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Box` is never constructed
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Box {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]  --> src/digital_canvas/graphics.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Line {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Triangle` is never constructed
[INFO] [stdout]   --> src/digital_canvas/graphics.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Triangle {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Oval` is never constructed
[INFO] [stdout]   --> src/digital_canvas/graphics.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Oval {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_tuple`, `centroid`, and `delta` are never used
[INFO] [stdout]   --> src/digital_canvas/cords.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Cords2D {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |   pub fn to_tuple(&self) -> (u32, u32) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn centroid(&self, other: &Cords2D) -> Cords2D {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   pub fn delta(&self, other: &Cords2D) -> (i32, i32) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dimensions` is never constructed
[INFO] [stdout]  --> src/digital_canvas/dimensions.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Dimensions {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `new_from_tuple`, and `to_tuple` are never used
[INFO] [stdout]   --> src/digital_canvas/dimensions.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Dimensions {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  8 |   pub fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |   pub fn new_from_tuple(dims: (u32, u32)) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |   pub fn to_tuple(&self) -> (u32, u32) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericRenderData` is never constructed
[INFO] [stdout]  --> src/digital_canvas/render.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GenericRenderData {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Renderable` is never used
[INFO] [stdout]  --> src/digital_canvas/render.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Renderable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 13.54s
[INFO] running `Command { std: "docker" "inspect" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229", kill_on_drop: false }`
[INFO] [stdout] ae2d0ec7855338a4e5f54baba547b300e7f5eb63120ba63523d8458ec5ab3229
