[INFO] cloning repository https://github.com/re-oh/digital_canvas_crate
[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_crate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas_crate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas_crate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 784eec0f77742d8fa3b218acfeb3329c84761da9
[INFO] testing re-oh/digital_canvas_crate against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas_crate" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/re-oh/digital_canvas_crate on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] finished tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] tweaked toml for git repo https://github.com/re-oh/digital_canvas_crate written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/re-oh/digital_canvas_crate 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing re-oh/digital_canvas_crate against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas_crate" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/re-oh/digital_canvas_crate on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] finished tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] tweaked toml for git repo https://github.com/re-oh/digital_canvas_crate written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/re-oh/digital_canvas_crate 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing re-oh/digital_canvas_crate against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fre-oh%2Fdigital_canvas_crate" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/re-oh/digital_canvas_crate on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] finished tweaking git repo https://github.com/re-oh/digital_canvas_crate
[INFO] tweaked toml for git repo https://github.com/re-oh/digital_canvas_crate written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/re-oh/digital_canvas_crate 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr]   Downloaded image v0.24.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f46792655ff66d68ed72c5fa34761a072dca1b89c3c0143a25ac824ced6e09e6
[INFO] running `Command { std: "docker" "start" "-a" "f46792655ff66d68ed72c5fa34761a072dca1b89c3c0143a25ac824ced6e09e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46792655ff66d68ed72c5fa34761a072dca1b89c3c0143a25ac824ced6e09e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46792655ff66d68ed72c5fa34761a072dca1b89c3c0143a25ac824ced6e09e6", kill_on_drop: false }`
[INFO] [stdout] f46792655ff66d68ed72c5fa34761a072dca1b89c3c0143a25ac824ced6e09e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da9572883220f5d105e34f30a494b9f8df21d2e5ae080185c12a046aa8114e7d
[INFO] running `Command { std: "docker" "start" "-a" "da9572883220f5d105e34f30a494b9f8df21d2e5ae080185c12a046aa8114e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling bytemuck v1.14.2
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image v0.24.8
[INFO] [stderr]    Compiling 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)]` 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)]` 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: fields `image_buffer`, `render_buffer`, `dimensions`, and `layername` are never read
[INFO] [stdout]   --> src/digital_canvas/layer.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Layer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 6  |   image_buffer: RgbaImage,
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 7  |   render_buffer: Vec<Box<dyn Renderable>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 8  |   dimensions: Dimensions,
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 9  |   pub zindex: i32,
[INFO] [stdout] 10 |   layername: String
[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: 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: method `to_generic` is never used
[INFO] [stdout]  --> src/digital_canvas/render.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Renderable {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] 6 |   fn to_generic(&self) {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 30.52s
[INFO] running `Command { std: "docker" "inspect" "da9572883220f5d105e34f30a494b9f8df21d2e5ae080185c12a046aa8114e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9572883220f5d105e34f30a494b9f8df21d2e5ae080185c12a046aa8114e7d", kill_on_drop: false }`
[INFO] [stdout] da9572883220f5d105e34f30a494b9f8df21d2e5ae080185c12a046aa8114e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73a92b8bb231e51b3da570daa0a1eb6f2e4f7b49f2f6a26f14729e1b0dfb4857
[INFO] running `Command { std: "docker" "start" "-a" "73a92b8bb231e51b3da570daa0a1eb6f2e4f7b49f2f6a26f14729e1b0dfb4857", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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)]` 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: fields `image_buffer`, `render_buffer`, `dimensions`, and `layername` are never read
[INFO] [stdout]   --> src/digital_canvas/layer.rs:6:3
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Layer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 6  |   image_buffer: RgbaImage,
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 7  |   render_buffer: Vec<Box<dyn Renderable>>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 8  |   dimensions: Dimensions,
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 9  |   pub zindex: i32,
[INFO] [stdout] 10 |   layername: String
[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: 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: method `to_generic` is never used
[INFO] [stdout]  --> src/digital_canvas/render.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Renderable {
[INFO] [stdout]   |           ---------- method in this trait
[INFO] [stdout] 6 |   fn to_generic(&self) {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "73a92b8bb231e51b3da570daa0a1eb6f2e4f7b49f2f6a26f14729e1b0dfb4857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a92b8bb231e51b3da570daa0a1eb6f2e4f7b49f2f6a26f14729e1b0dfb4857", kill_on_drop: false }`
[INFO] [stdout] 73a92b8bb231e51b3da570daa0a1eb6f2e4f7b49f2f6a26f14729e1b0dfb4857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3648825825dd1e7d53b44b8baa0d0ade01d913c7bad812816b9bcf15d83d095
[INFO] running `Command { std: "docker" "start" "-a" "c3648825825dd1e7d53b44b8baa0d0ade01d913c7bad812816b9bcf15d83d095", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::RangeInclusive`
[INFO] [stderr]  --> src/digital_canvas/canvas.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::RangeInclusive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rgba`
[INFO] [stderr]  --> src/digital_canvas/canvas.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{ImageBuffer, Rgba, RgbaImage};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GenericRenderData`
[INFO] [stderr]  --> src/digital_canvas/layer.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::render::{GenericRenderData, Renderable};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::render::Renderable`
[INFO] [stderr]  --> src/digital_canvas/graphics.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::render::Renderable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Canvas` is never constructed
[INFO] [stderr]  --> src/digital_canvas/canvas.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Canvas {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `add_layer` are never used
[INFO] [stderr]   --> src/digital_canvas/canvas.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Canvas {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 11 |
[INFO] [stderr] 12 |   fn new(width:u32, height:u32) -> Self {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |   fn add_layer(&mut self, name: &str ) {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `image_buffer`, `render_buffer`, `dimensions`, and `layername` are never read
[INFO] [stderr]   --> src/digital_canvas/layer.rs:6:3
[INFO] [stderr]    |
[INFO] [stderr] 5  | pub struct Layer {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 6  |   image_buffer: RgbaImage,
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 7  |   render_buffer: Vec<Box<dyn Renderable>>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 8  |   dimensions: Dimensions,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 9  |   pub zindex: i32,
[INFO] [stderr] 10 |   layername: String
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Box` is never constructed
[INFO] [stderr]  --> src/digital_canvas/graphics.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Box {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Line` is never constructed
[INFO] [stderr]  --> src/digital_canvas/graphics.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Line {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Triangle` is never constructed
[INFO] [stderr]   --> src/digital_canvas/graphics.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Triangle {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Oval` is never constructed
[INFO] [stderr]   --> src/digital_canvas/graphics.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Oval {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GenericRenderData` is never constructed
[INFO] [stderr]  --> src/digital_canvas/render.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct GenericRenderData {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_generic` is never used
[INFO] [stderr]  --> src/digital_canvas/render.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait Renderable {
[INFO] [stderr]   |           ---------- method in this trait
[INFO] [stderr] 6 |   fn to_generic(&self) {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `digital_canvas` (bin "digital_canvas" test) generated 13 warnings (run `cargo fix --bin "digital_canvas" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/digital_canvas-a7f053ee807a095f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3648825825dd1e7d53b44b8baa0d0ade01d913c7bad812816b9bcf15d83d095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3648825825dd1e7d53b44b8baa0d0ade01d913c7bad812816b9bcf15d83d095", kill_on_drop: false }`
[INFO] [stdout] c3648825825dd1e7d53b44b8baa0d0ade01d913c7bad812816b9bcf15d83d095