[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 beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] finished tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] tweaked toml for git repo https://github.com/Matz-Mp4/turtle-graphics written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Matz-Mp4/turtle-graphics on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Matz-Mp4/turtle-graphics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33bd904d075585fad9fb24e398421c378381666c980b18abcf52c9357e0de6b8
[INFO] running `Command { std: "docker" "start" "-a" "33bd904d075585fad9fb24e398421c378381666c980b18abcf52c9357e0de6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33bd904d075585fad9fb24e398421c378381666c980b18abcf52c9357e0de6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bd904d075585fad9fb24e398421c378381666c980b18abcf52c9357e0de6b8", kill_on_drop: false }`
[INFO] [stdout] 33bd904d075585fad9fb24e398421c378381666c980b18abcf52c9357e0de6b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957247d247bf6e57b926df5f605095299b3431763675116f3b31f0fb2e8c0ede
[INFO] running `Command { std: "docker" "start" "-a" "957247d247bf6e57b926df5f605095299b3431763675116f3b31f0fb2e8c0ede", 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 bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling cty v0.2.2
[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 quote v1.0.33
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling minifb v0.25.0
[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 tempfile v3.8.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                      ----^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                               ----^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "957247d247bf6e57b926df5f605095299b3431763675116f3b31f0fb2e8c0ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957247d247bf6e57b926df5f605095299b3431763675116f3b31f0fb2e8c0ede", kill_on_drop: false }`
[INFO] [stdout] 957247d247bf6e57b926df5f605095299b3431763675116f3b31f0fb2e8c0ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9d620a30d0f074882f057fc65cb23a316b9cc7e317350df52be58e2d0d978c
[INFO] running `Command { std: "docker" "start" "-a" "4c9d620a30d0f074882f057fc65cb23a316b9cc7e317350df52be58e2d0d978c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                      ----^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                               ----^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> examples/triangular_bump.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> examples/triangular_bump.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turtle` is never read
[INFO] [stdout]   --> examples/spiral-star.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spiral-star.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> examples/sierpinski.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, ImageCanvas, BLACK, WHITE};
[INFO] [stdout]   |                                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowCanvas`
[INFO] [stdout]  --> examples/sierpinski.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use turtle_graphics::{TurtleLogo, WindowCanvas};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/sierpinski.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                      ----^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                               ----^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "4c9d620a30d0f074882f057fc65cb23a316b9cc7e317350df52be58e2d0d978c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9d620a30d0f074882f057fc65cb23a316b9cc7e317350df52be58e2d0d978c", kill_on_drop: false }`
[INFO] [stdout] 4c9d620a30d0f074882f057fc65cb23a316b9cc7e317350df52be58e2d0d978c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b67fe9044d9bbefed7a8bc13c25fd12e93c9aed5ae036b53100fa2ab7098f89a
[INFO] running `Command { std: "docker" "start" "-a" "b67fe9044d9bbefed7a8bc13c25fd12e93c9aed5ae036b53100fa2ab7098f89a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/tuple/tuple2.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stderr]  --> src/tuple/tuple2.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stderr]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                      ----^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                               ----^^^^^
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/canvas/image.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stderr]    |                                          ----^^^^
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (lib) generated 5 warnings (run `cargo fix --lib -p turtle-graphics` to apply 5 suggestions)
[INFO] [stderr] warning: value assigned to `turtle` is never read
[INFO] [stderr]   --> examples/spiral-star.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/spiral-star.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/triangular_bump.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triangular_bump` is never used
[INFO] [stderr]  --> examples/triangular_bump.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/sierpinski.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, ImageCanvas, BLACK, WHITE};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowCanvas`
[INFO] [stderr]  --> examples/sierpinski.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use turtle_graphics::{TurtleLogo, WindowCanvas};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/sierpinski.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> src/main.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triangular_bump` is never used
[INFO] [stderr]  --> src/main.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (example "spiral-star") generated 2 warnings
[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` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turtle_graphics-d10069ba995d067f)
[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-1d2f341555396951)
[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>::with_point (line 76) ... 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>::point (line 41) ... 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>::turn (line 149) ... 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>::mov (line 112) ... 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] 
[INFO] [stdout] thread 'main' (400) 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:     0x55dc61b69342 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55dc61b69342 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55dc61b69342 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55dc61b69342 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55dc61b786df - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55dc61b786df - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x55dc61b44d11 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55dc61b44d11 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55dc61b4aff2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55dc61b4d39f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x55dc61b4d1f9 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x55dc61b4da25 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x55dc61b4d8ba - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x55dc61b4b129 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x55dc61b3959d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x55dc61b7c0b0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x55dc61b7b746 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   17:     0x55dc61a2c715 - core::result::Result<T,E>::expect::he8a76480642a72b4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1178:23
[INFO] [stdout]   18:     0x55dc61a2c231 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::h9ffb523940678289
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x55dc61a2bec2 - rust_out::main::_doctest_main_src_canvas_canvas_rs_18_0::had7be09b622af4bb
[INFO] [stdout]   20:     0x55dc61a2be76 - rust_out::main::h909c389308a13d94
[INFO] [stdout]   21:     0x55dc61a2bca3 - core::ops::function::FnOnce::call_once::he80aaf16098e337a
[INFO] [stdout]   22:     0x55dc61a2bc06 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68
[INFO] [stdout]   23:     0x55dc61a2bbe9 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b
[INFO] [stdout]   24:     0x55dc61b46880 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x55dc61b46880 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x55dc61b46880 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x55dc61b46880 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x55dc61b46880 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x55dc61b46880 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x55dc61b46880 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x55dc61b46880 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x55dc61b46880 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x55dc61a2bbd1 - std::rt::lang_start::h5d51bffdfd88737a
[INFO] [stdout]   34:     0x55dc61a2bf55 - main
[INFO] [stdout]   35:     0x7014ee7b31ca - <unknown>
[INFO] [stdout]   36:     0x7014ee7b328b - __libc_start_main
[INFO] [stdout]   37:     0x55dc61a2b8f5 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::forward (line 89) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (401) 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:     0x5a0af87db6c2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a0af87db6c2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a0af87db6c2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a0af87db6c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a0af87eb58f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a0af87eb58f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5a0af87b7091 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a0af87b7091 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a0af87bd372 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a0af87bf71f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5a0af87bf579 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5a0af87bfda5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5a0af87bfc3a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5a0af87bd4a9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5a0af87ab91d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5a0af87f3080 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5a0af87f2716 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   17:     0x5a0af869ea95 - core::result::Result<T,E>::expect::he8a76480642a72b4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1178:23
[INFO] [stdout]   18:     0x5a0af869e5b1 - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::h9ffb523940678289
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x5a0af869e0e6 - rust_out::main::_doctest_main_src_turtle_logo_rs_89_0::h6db5b1d535152b38
[INFO] [stdout]   20:     0x5a0af869e036 - rust_out::main::h909c389308a13d94
[INFO] [stdout]   21:     0x5a0af869dd63 - core::ops::function::FnOnce::call_once::he80aaf16098e337a
[INFO] [stdout]   22:     0x5a0af869dc86 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68
[INFO] [stdout]   23:     0x5a0af869dc69 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b
[INFO] [stdout]   24:     0x5a0af87b8c00 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x5a0af87b8c00 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x5a0af87b8c00 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x5a0af87b8c00 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x5a0af87b8c00 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x5a0af87b8c00 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5a0af87b8c00 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5a0af87b8c00 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5a0af87b8c00 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x5a0af869dc51 - std::rt::lang_start::h5d51bffdfd88737a
[INFO] [stdout]   34:     0x5a0af869e2d5 - main
[INFO] [stdout]   35:     0x7e0fa9d8c1ca - <unknown>
[INFO] [stdout]   36:     0x7e0fa9d8c28b - __libc_start_main
[INFO] [stdout]   37:     0x5a0af869d065 - _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 1.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b67fe9044d9bbefed7a8bc13c25fd12e93c9aed5ae036b53100fa2ab7098f89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67fe9044d9bbefed7a8bc13c25fd12e93c9aed5ae036b53100fa2ab7098f89a", kill_on_drop: false }`
[INFO] [stdout] b67fe9044d9bbefed7a8bc13c25fd12e93c9aed5ae036b53100fa2ab7098f89a
