[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matz-Mp4/turtle-graphics on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f1c2b7c4308e95bdbebaf7d69941ed5612daf2d05355e893a491015fb180638
[INFO] running `Command { std: "docker" "start" "-a" "3f1c2b7c4308e95bdbebaf7d69941ed5612daf2d05355e893a491015fb180638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f1c2b7c4308e95bdbebaf7d69941ed5612daf2d05355e893a491015fb180638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1c2b7c4308e95bdbebaf7d69941ed5612daf2d05355e893a491015fb180638", kill_on_drop: false }`
[INFO] [stdout] 3f1c2b7c4308e95bdbebaf7d69941ed5612daf2d05355e893a491015fb180638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382cb2b3f8fcabbae3f7757fee43c5f68ca6e49baa9fdac177e7f53b1d19af66
[INFO] running `Command { std: "docker" "start" "-a" "382cb2b3f8fcabbae3f7757fee43c5f68ca6e49baa9fdac177e7f53b1d19af66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[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 once_cell v1.18.0
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling nix v0.24.3
[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 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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: 5 warnings emitted
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.18s
[INFO] running `Command { std: "docker" "inspect" "382cb2b3f8fcabbae3f7757fee43c5f68ca6e49baa9fdac177e7f53b1d19af66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382cb2b3f8fcabbae3f7757fee43c5f68ca6e49baa9fdac177e7f53b1d19af66", kill_on_drop: false }`
[INFO] [stdout] 382cb2b3f8fcabbae3f7757fee43c5f68ca6e49baa9fdac177e7f53b1d19af66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b019911313f7e9959661d8eda117f3905a3700a1c9c14aaebcd9ff4caa0ca993
[INFO] running `Command { std: "docker" "start" "-a" "b019911313f7e9959661d8eda117f3905a3700a1c9c14aaebcd9ff4caa0ca993", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[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: 5 warnings emitted
[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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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 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)]` 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)]` 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)]` 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)]` 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 `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)]` 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: 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)]` on by default
[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)]` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "b019911313f7e9959661d8eda117f3905a3700a1c9c14aaebcd9ff4caa0ca993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b019911313f7e9959661d8eda117f3905a3700a1c9c14aaebcd9ff4caa0ca993", kill_on_drop: false }`
[INFO] [stdout] b019911313f7e9959661d8eda117f3905a3700a1c9c14aaebcd9ff4caa0ca993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79702c3f5d384722ec621e735962f137cb42314a7f2ab956ecbd81415044c8a6
[INFO] running `Command { std: "docker" "start" "-a" "79702c3f5d384722ec621e735962f137cb42314a7f2ab956ecbd81415044c8a6", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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]  --> 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)]` 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)]` on by default
[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)]` 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)]` 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: 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)]` 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)]` 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)]` 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)]` 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: `turtle-graphics` (example "triangular_bump") generated 2 warnings (run `cargo fix --example "triangular_bump"` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "sierpinski") generated 3 warnings (run `cargo fix --example "sierpinski"` to apply 2 suggestions)
[INFO] [stderr] warning: `turtle-graphics` (bin "turtle-graphics" test) generated 2 warnings (run `cargo fix --bin "turtle-graphics" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "spiral-star") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turtle_graphics-aac1b112b564a2ab)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/turtle_graphics-afb6b54b18f1a672)
[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] [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>::shift (line 244) ... 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>::new (line 20) ... 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>::point (line 41) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::resize (line 129) ... ok
[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>::mov (line 112) ... 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>::spin (line 200) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::scale (line 170) ... 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>::forward (line 89) ... FAILED
[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] thread 'main' 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:     0x55dc25f0bf66 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55dc25f0bf66 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55dc25f0bf66 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55dc25f0bf66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55dc25f2b8e0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55dc25f2b8e0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55dc25f09edf - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55dc25f0bd44 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55dc25f0bd44 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55dc25f0d2a7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55dc25f0d009 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55dc25f0d738 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55dc25f0d612 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55dc25f0c466 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55dc25f0d370 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55dc25dc86a5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55dc25dc8c03 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55dc25dc98b1 - core::result::Result<T,E>::expect::hccdaf13d85ad564f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x55dc25dcb0b7 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::h2ab70861531e5450
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:46:22
[INFO] [stdout]   19:     0x55dc25dc9582 - rust_out::main::_doctest_main_src_canvas_canvas_rs_18_0::hdd5655dabfec6121
[INFO] [stdout]   20:     0x55dc25dc9536 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   21:     0x55dc25dc9313 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   22:     0x55dc25dc9236 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   23:     0x55dc25dc9289 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   24:     0x55dc25f06601 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55dc25f06601 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   26:     0x55dc25f06601 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   27:     0x55dc25f06601 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x55dc25f06601 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55dc25f06601 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55dc25f06601 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55dc25f06601 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55dc25f06601 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55dc25dc9267 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   34:     0x55dc25dc9625 - main
[INFO] [stdout]   35:     0x7f8386ddbd90 - <unknown>
[INFO] [stdout]   36:     0x7f8386ddbe40 - __libc_start_main
[INFO] [stdout]   37:     0x55dc25dc8f05 - _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] thread 'main' 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:     0x55c30d654d36 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c30d654d36 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c30d654d36 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c30d654d36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c30d678380 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c30d678380 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c30d652caf - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c30d654b14 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c30d654b14 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c30d656077 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c30d655dd9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55c30d656508 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55c30d6563e2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55c30d655236 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55c30d656140 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55c30d5106a5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55c30d510c43 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55c30d512681 - core::result::Result<T,E>::expect::hccdaf13d85ad564f
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x55c30d513e87 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::h2ab70861531e5450
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:46:22
[INFO] [stdout]   19:     0x55c30d512189 - rust_out::main::_doctest_main_src_turtle_logo_rs_89_0::h039cc9ba5e44024f
[INFO] [stdout]   20:     0x55c30d5120d6 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   21:     0x55c30d511d53 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   22:     0x55c30d511c26 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   23:     0x55c30d511c79 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   24:     0x55c30d64f3d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55c30d64f3d1 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   26:     0x55c30d64f3d1 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   27:     0x55c30d64f3d1 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x55c30d64f3d1 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55c30d64f3d1 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55c30d64f3d1 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55c30d64f3d1 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55c30d64f3d1 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55c30d511c57 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   34:     0x55c30d5123f5 - main
[INFO] [stdout]   35:     0x7f4071723d90 - <unknown>
[INFO] [stdout]   36:     0x7f4071723e40 - __libc_start_main
[INFO] [stdout]   37:     0x55c30d510f45 - _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 1.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "79702c3f5d384722ec621e735962f137cb42314a7f2ab956ecbd81415044c8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79702c3f5d384722ec621e735962f137cb42314a7f2ab956ecbd81415044c8a6", kill_on_drop: false }`
[INFO] [stdout] 79702c3f5d384722ec621e735962f137cb42314a7f2ab956ecbd81415044c8a6
[INFO] testing Matz-Mp4/turtle-graphics against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matz-Mp4/turtle-graphics on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[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" "+beta-2024-02-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 416ca8797958f0d5858f0190bcaf9aa2d4aef621b6fdc8b44acd893ca18c23cf
[INFO] running `Command { std: "docker" "start" "-a" "416ca8797958f0d5858f0190bcaf9aa2d4aef621b6fdc8b44acd893ca18c23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416ca8797958f0d5858f0190bcaf9aa2d4aef621b6fdc8b44acd893ca18c23cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416ca8797958f0d5858f0190bcaf9aa2d4aef621b6fdc8b44acd893ca18c23cf", kill_on_drop: false }`
[INFO] [stdout] 416ca8797958f0d5858f0190bcaf9aa2d4aef621b6fdc8b44acd893ca18c23cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5480773e6422c5e0823dacc5d945ef9ccafac414e7874ca63c996e482cf692
[INFO] running `Command { std: "docker" "start" "-a" "7a5480773e6422c5e0823dacc5d945ef9ccafac414e7874ca63c996e482cf692", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling minifb v0.25.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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: 5 warnings emitted
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.74s
[INFO] running `Command { std: "docker" "inspect" "7a5480773e6422c5e0823dacc5d945ef9ccafac414e7874ca63c996e482cf692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5480773e6422c5e0823dacc5d945ef9ccafac414e7874ca63c996e482cf692", kill_on_drop: false }`
[INFO] [stdout] 7a5480773e6422c5e0823dacc5d945ef9ccafac414e7874ca63c996e482cf692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482fcc0b718dd83cabfd84ed1603c609e536f8e7eeed2596a5548835668d2c6d
[INFO] running `Command { std: "docker" "start" "-a" "482fcc0b718dd83cabfd84ed1603c609e536f8e7eeed2596a5548835668d2c6d", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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: 5 warnings emitted
[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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, `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 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)]` 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)]` 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)]` 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)]` 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: 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)]` on by default
[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)]` 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)]` 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "482fcc0b718dd83cabfd84ed1603c609e536f8e7eeed2596a5548835668d2c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482fcc0b718dd83cabfd84ed1603c609e536f8e7eeed2596a5548835668d2c6d", kill_on_drop: false }`
[INFO] [stdout] 482fcc0b718dd83cabfd84ed1603c609e536f8e7eeed2596a5548835668d2c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8360cdd25336dd162e94a3ae90022fe0367f0e86b466f00bcf1e3b8f992b3565
[INFO] running `Command { std: "docker" "start" "-a" "8360cdd25336dd162e94a3ae90022fe0367f0e86b466f00bcf1e3b8f992b3565", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsMut`, `AsRef`, `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)]` 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]  --> 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)]` 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)]` 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: 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)]` 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)]` on by default
[INFO] [stderr] 
[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)]` 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)]` 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)]` 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)]` 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: `turtle-graphics` (example "sierpinski") generated 3 warnings (run `cargo fix --example "sierpinski"` to apply 2 suggestions)
[INFO] [stderr] warning: `turtle-graphics` (example "triangular_bump") generated 2 warnings (run `cargo fix --example "triangular_bump"` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (bin "turtle-graphics" test) generated 2 warnings (run `cargo fix --bin "turtle-graphics" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "spiral-star") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turtle_graphics-9a3945e8123c7c4f)
[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-83af56c510e20dd3)
[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>::shift (line 244) ... 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>::new (line 20) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::resize (line 129) ... 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>::point (line 41) ... ok
[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>::vector (line 54) ... 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>::spin (line 200) ... 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>::forward (line 89) ... FAILED
[INFO] [stdout] test src/canvas/canvas.rs - canvas::canvas::Canvas::set_background (line 18) ... FAILED
[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/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] thread 'main' 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:     0x55b87b007036 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b87b007036 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b87b007036 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55b87b007036 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b87b02a3c0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b87b02a3c0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b87b004d9f - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55b87b006e14 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b87b006e14 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b87b008377 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55b87b0080d9 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55b87b008808 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x55b87b0086e2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x55b87b007536 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55b87b008434 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x55b87aebd6a5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55b87aebdc43 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55b87aebf6e1 - core::result::Result<T,E>::expect::h6f5412ec574a8400
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x55b87aec0ec7 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::hbc352511b12594c4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:46:22
[INFO] [stdout]   19:     0x55b87aebf1d9 - rust_out::main::_doctest_main_src_turtle_logo_rs_89_0::h6c2c562c28f4970a
[INFO] [stdout]   20:     0x55b87aebf126 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   21:     0x55b87aebede3 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   22:     0x55b87aebecb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   23:     0x55b87aebed09 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   24:     0x55b87b001421 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55b87b001421 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   26:     0x55b87b001421 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   27:     0x55b87b001421 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x55b87b001421 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55b87b001421 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   30:     0x55b87b001421 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   31:     0x55b87b001421 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55b87b001421 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55b87aebece7 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   34:     0x55b87aebf445 - main
[INFO] [stdout]   35:     0x7f2da895bd90 - <unknown>
[INFO] [stdout]   36:     0x7f2da895be40 - __libc_start_main
[INFO] [stdout]   37:     0x55b87aebdf45 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[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] thread 'main' 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:     0x560475ff7216 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560475ff7216 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560475ff7216 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560475ff7216 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5604760168e0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5604760168e0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x560475ff4f7f - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x560475ff6ff4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560475ff6ff4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560475ff8557 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x560475ff82b9 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x560475ff89e8 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x560475ff88c2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x560475ff7716 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x560475ff8614 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x560475eae6a5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x560475eaec03 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x560475eaf8c1 - core::result::Result<T,E>::expect::h6f5412ec574a8400
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1030:23
[INFO] [stdout]   18:     0x560475eb10a7 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::hbc352511b12594c4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:46:22
[INFO] [stdout]   19:     0x560475eaf582 - rust_out::main::_doctest_main_src_canvas_canvas_rs_18_0::h69b274fd92b08127
[INFO] [stdout]   20:     0x560475eaf536 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   21:     0x560475eaf313 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   22:     0x560475eaf236 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   23:     0x560475eaf289 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   24:     0x560475ff1601 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x560475ff1601 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   26:     0x560475ff1601 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   27:     0x560475ff1601 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x560475ff1601 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x560475ff1601 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   30:     0x560475ff1601 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   31:     0x560475ff1601 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x560475ff1601 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x560475eaf267 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   34:     0x560475eaf625 - main
[INFO] [stdout]   35:     0x7f2c4978cd90 - <unknown>
[INFO] [stdout]   36:     0x7f2c4978ce40 - __libc_start_main
[INFO] [stdout]   37:     0x560475eaef05 - _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 1.52s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8360cdd25336dd162e94a3ae90022fe0367f0e86b466f00bcf1e3b8f992b3565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8360cdd25336dd162e94a3ae90022fe0367f0e86b466f00bcf1e3b8f992b3565", kill_on_drop: false }`
[INFO] [stdout] 8360cdd25336dd162e94a3ae90022fe0367f0e86b466f00bcf1e3b8f992b3565
