[INFO] cloning repository https://github.com/Matz-Mp4/turtle-graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matz-Mp4/turtle-graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a120024cc5404a93d4df5da33015b4ead493e0ac
[INFO] testing Matz-Mp4/turtle-graphics against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] finished tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] tweaked toml for git repo https://github.com/Matz-Mp4/turtle-graphics written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Matz-Mp4/turtle-graphics on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Matz-Mp4/turtle-graphics 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded version-compare v0.1.1
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[INFO] [stderr]   Downloaded futures-executor v0.3.28
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[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded rustix v0.38.19
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b96e55018da60419ca8b6e25a5f9f14b11182c8ca42f6eb00eea7b74be86571
[INFO] running `Command { std: "docker" "start" "-a" "8b96e55018da60419ca8b6e25a5f9f14b11182c8ca42f6eb00eea7b74be86571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b96e55018da60419ca8b6e25a5f9f14b11182c8ca42f6eb00eea7b74be86571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b96e55018da60419ca8b6e25a5f9f14b11182c8ca42f6eb00eea7b74be86571", kill_on_drop: false }`
[INFO] [stdout] 8b96e55018da60419ca8b6e25a5f9f14b11182c8ca42f6eb00eea7b74be86571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f5e5d19e9aee41dc8eb10509c6409e85739359aa351d7e3e581829c9722374
[INFO] running `Command { std: "docker" "start" "-a" "33f5e5d19e9aee41dc8eb10509c6409e85739359aa351d7e3e581829c9722374", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling minifb v0.25.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.00s
[INFO] running `Command { std: "docker" "inspect" "33f5e5d19e9aee41dc8eb10509c6409e85739359aa351d7e3e581829c9722374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f5e5d19e9aee41dc8eb10509c6409e85739359aa351d7e3e581829c9722374", kill_on_drop: false }`
[INFO] [stdout] 33f5e5d19e9aee41dc8eb10509c6409e85739359aa351d7e3e581829c9722374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63ae1b78bc87f8c13a1812a23eb1c3cd69a09a77054dfbe96971b618a847268
[INFO] running `Command { std: "docker" "start" "-a" "a63ae1b78bc87f8c13a1812a23eb1c3cd69a09a77054dfbe96971b618a847268", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> examples/triangular_bump.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[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: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> examples/triangular_bump.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turtle` is never read
[INFO] [stdout]   --> examples/spiral-star.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spiral-star.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[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 _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> examples/sierpinski.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, ImageCanvas, BLACK, WHITE};
[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: `WindowCanvas`
[INFO] [stdout]  --> examples/sierpinski.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use turtle_graphics::{TurtleLogo, WindowCanvas};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/sierpinski.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[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 _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[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/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "a63ae1b78bc87f8c13a1812a23eb1c3cd69a09a77054dfbe96971b618a847268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63ae1b78bc87f8c13a1812a23eb1c3cd69a09a77054dfbe96971b618a847268", kill_on_drop: false }`
[INFO] [stdout] a63ae1b78bc87f8c13a1812a23eb1c3cd69a09a77054dfbe96971b618a847268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ecbb7a6eb658807887ceb8cbc7062bfe240739498552b83614daed5ecb4800d
[INFO] running `Command { std: "docker" "start" "-a" "1ecbb7a6eb658807887ceb8cbc7062bfe240739498552b83614daed5ecb4800d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/tuple/tuple2.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stderr]  --> src/tuple/tuple2.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stderr]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                               ----^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                                          ----^^^^
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (lib) generated 5 warnings (run `cargo fix --lib -p turtle-graphics` to apply 5 suggestions)
[INFO] [stderr] warning: `turtle-graphics` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> src/main.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triangular_bump` is never used
[INFO] [stderr]  --> src/main.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/triangular_bump.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triangular_bump` is never used
[INFO] [stderr]  --> examples/triangular_bump.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `turtle` is never read
[INFO] [stderr]   --> examples/spiral-star.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/spiral-star.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/sierpinski.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, ImageCanvas, BLACK, WHITE};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowCanvas`
[INFO] [stderr]  --> examples/sierpinski.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use turtle_graphics::{TurtleLogo, WindowCanvas};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/sierpinski.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (bin "turtle-graphics" test) generated 2 warnings (run `cargo fix --bin "turtle-graphics" -p turtle-graphics --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "triangular_bump") generated 2 warnings (run `cargo fix --example "triangular_bump" -p turtle-graphics` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "spiral-star") generated 2 warnings
[INFO] [stderr] warning: `turtle-graphics` (example "sierpinski") generated 3 warnings (run `cargo fix --example "sierpinski" -p turtle-graphics` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turtle_graphics-d60db958f48fa37d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/turtle_graphics-31d24621544872ee)
[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] [stderr]    Doc-tests turtle_graphics
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::new (line 20) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::mov (line 112) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::point (line 41) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::scale (line 170) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::shift (line 244) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::resize (line 129) ... ok
[INFO] [stdout] test src/canvas/canvas.rs - canvas::canvas::Canvas::set_background (line 18) ... FAILED
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::turn (line 149) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::with_vector (line 66) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::vector (line 54) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::with_point (line 76) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::forward (line 89) ... FAILED
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::spin (line 200) ... ok
[INFO] [stdout] test src/canvas/canvas.rs - canvas::canvas::Canvas::draw_line (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/canvas/canvas.rs - canvas::canvas::Canvas::set_background (line 18) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (231) panicked at src/canvas/window.rs:47:14:
[INFO] [stdout] Failed to create window.: Failed to create window, "XOpenDisplay failed"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e925822ac62 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e925822ac62 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e925822ac62 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e925822ac62 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e925823d50a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e925823d50a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5e925822f966 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e925822f966 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5e92582144df - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e92582144df - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e9258226651 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5e925822680b - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5e9258214598 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5e925820c139 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5e9258214f5d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5e925823dc4c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5e925823d9c2 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5e92580f3445 - <core[c5ed12ab89cc536a]::result::Result<minifb[513ab5563a2d41d5]::Window, minifb[513ab5563a2d41d5]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x5e92580f3a6a - <turtle_graphics[e44953a72642eeb8]::canvas::window::WindowCanvas as turtle_graphics[e44953a72642eeb8]::canvas::canvas::Canvas>::new
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x5e92580f2eb2 - rust_out[31cf89adcf23a82a]::main::_doctest_main_src_canvas_canvas_rs_18_0
[INFO] [stdout]   20:     0x5e92580f2e26 - rust_out[31cf89adcf23a82a]::main
[INFO] [stdout]   21:     0x5e92580f2f43 - <fn() as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   22:     0x5e92580f2de6 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   23:     0x5e92580f2df9 - std[716c9a7a72e5c14e]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   24:     0x5e9258225b16 - <&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<i32, &dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   27:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panic::catch_unwind::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x5e9258225b16 - std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<isize, std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5e9258225b16 - std[716c9a7a72e5c14e]::panic::catch_unwind::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5e9258225b16 - std[716c9a7a72e5c14e]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x5e92580f2c21 - std[716c9a7a72e5c14e]::rt::lang_start::<()>
[INFO] [stdout]   34:     0x5e92580f3195 - main
[INFO] [stdout]   35:     0x756d07e711ca - <unknown>
[INFO] [stdout]   36:     0x756d07e7128b - __libc_start_main
[INFO] [stdout]   37:     0x5e92580f2b35 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::forward (line 89) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (278) panicked at src/canvas/window.rs:47:14:
[INFO] [stdout] Failed to create window.: Failed to create window, "XOpenDisplay failed"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61587f8b50a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61587f8b50a2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61587f8b50a2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61587f8b50a2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61587f8c8e6a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61587f8c8e6a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x61587f8b9da6 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61587f8b9da6 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61587f89e91f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61587f89e91f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61587f8b0a91 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x61587f8b0c4b - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x61587f89e9d8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x61587f896579 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x61587f89f39d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x61587f8c95ac - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x61587f8c9322 - core[c5ed12ab89cc536a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x61587f77d885 - <core[c5ed12ab89cc536a]::result::Result<minifb[513ab5563a2d41d5]::Window, minifb[513ab5563a2d41d5]::error::Error>>::expect
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x61587f77deaa - <turtle_graphics[e44953a72642eeb8]::canvas::window::WindowCanvas as turtle_graphics[e44953a72642eeb8]::canvas::canvas::Canvas>::new
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x61587f77d166 - rust_out[31cf89adcf23a82a]::main::_doctest_main_src_turtle_logo_rs_89_0
[INFO] [stdout]   20:     0x61587f77cf26 - rust_out[31cf89adcf23a82a]::main
[INFO] [stdout]   21:     0x61587f77d453 - <fn() as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   22:     0x61587f77c8a6 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   23:     0x61587f77cef9 - std[716c9a7a72e5c14e]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   24:     0x61587f8aff56 - <&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   26:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<i32, &dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   27:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panic::catch_unwind::<&dyn core[c5ed12ab89cc536a]::ops::function::Fn<(), Output = i32> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x61587f8aff56 - std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<isize, std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x61587f8aff56 - std[716c9a7a72e5c14e]::panic::catch_unwind::<std[716c9a7a72e5c14e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x61587f8aff56 - std[716c9a7a72e5c14e]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x61587f77c6a1 - std[716c9a7a72e5c14e]::rt::lang_start::<()>
[INFO] [stdout]   34:     0x61587f77d5d5 - main
[INFO] [stdout]   35:     0x71edbe8071ca - <unknown>
[INFO] [stdout]   36:     0x71edbe80728b - __libc_start_main
[INFO] [stdout]   37:     0x61587f77c375 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/canvas/canvas.rs - canvas::canvas::Canvas::set_background (line 18)
[INFO] [stdout]     src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::forward (line 89)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1ecbb7a6eb658807887ceb8cbc7062bfe240739498552b83614daed5ecb4800d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecbb7a6eb658807887ceb8cbc7062bfe240739498552b83614daed5ecb4800d", kill_on_drop: false }`
[INFO] [stdout] 1ecbb7a6eb658807887ceb8cbc7062bfe240739498552b83614daed5ecb4800d
