[INFO] cloning repository https://github.com/Matz-Mp4/turtle-graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matz-Mp4/turtle-graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a120024cc5404a93d4df5da33015b4ead493e0ac
[INFO] testing Matz-Mp4/turtle-graphics against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatz-Mp4%2Fturtle-graphics" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] finished tweaking git repo https://github.com/Matz-Mp4/turtle-graphics
[INFO] tweaked toml for git repo https://github.com/Matz-Mp4/turtle-graphics written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Matz-Mp4/turtle-graphics on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded minifb v0.25.0
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded rustix v0.38.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584e9e25bce991e17d3a559fb5546ab3db056854f2874a31a3ccdc68ac8ac9d7
[INFO] running `Command { std: "docker" "start" "-a" "584e9e25bce991e17d3a559fb5546ab3db056854f2874a31a3ccdc68ac8ac9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584e9e25bce991e17d3a559fb5546ab3db056854f2874a31a3ccdc68ac8ac9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584e9e25bce991e17d3a559fb5546ab3db056854f2874a31a3ccdc68ac8ac9d7", kill_on_drop: false }`
[INFO] [stdout] 584e9e25bce991e17d3a559fb5546ab3db056854f2874a31a3ccdc68ac8ac9d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8688b2574f6fce189aa2558bbbb53a280bc5692fe1393d6bd3b63542c66f538
[INFO] running `Command { std: "docker" "start" "-a" "f8688b2574f6fce189aa2558bbbb53a280bc5692fe1393d6bd3b63542c66f538", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[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 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 xcursor v0.3.4
[INFO] [stderr]    Compiling minifb v0.25.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling turtle-graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                      ----^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                               ----^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.70s
[INFO] running `Command { std: "docker" "inspect" "f8688b2574f6fce189aa2558bbbb53a280bc5692fe1393d6bd3b63542c66f538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8688b2574f6fce189aa2558bbbb53a280bc5692fe1393d6bd3b63542c66f538", kill_on_drop: false }`
[INFO] [stdout] f8688b2574f6fce189aa2558bbbb53a280bc5692fe1393d6bd3b63542c66f538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 426bd43f03d4b52ca68f68b2c222572f7f3a53df95abd2307d9eb447f5634b12
[INFO] running `Command { std: "docker" "start" "-a" "426bd43f03d4b52ca68f68b2c222572f7f3a53df95abd2307d9eb447f5634b12", 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] [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:31:31
[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]  --> examples/triangular_bump.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BLACK`
[INFO] [stdout]  --> src/main.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_bump` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turtle` is never read
[INFO] [stdout]   --> examples/spiral-star.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/spiral-star.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/tuple/tuple2.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{real::Real, One, Zero};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsMut`, `AsRef`, and `From`
[INFO] [stdout]  --> src/tuple/tuple2.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{AsMut, AsRef, From},
[INFO] [stdout]   |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused 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: 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 `Result` that must be used
[INFO] [stdout]   --> examples/sierpinski.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                      ----^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                               ----^^^^^
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/canvas/image.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let (mut red, mut green, mut blue) = Color::color_into_pixel(&self.data[i * self.width + j]);
[INFO] [stdout]    |                                          ----^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "426bd43f03d4b52ca68f68b2c222572f7f3a53df95abd2307d9eb447f5634b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426bd43f03d4b52ca68f68b2c222572f7f3a53df95abd2307d9eb447f5634b12", kill_on_drop: false }`
[INFO] [stdout] 426bd43f03d4b52ca68f68b2c222572f7f3a53df95abd2307d9eb447f5634b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c460c88bbba64cb2e1c18ee47b3c74642090d34ce44c5b872d6d661251d49fd
[INFO] running `Command { std: "docker" "start" "-a" "9c460c88bbba64cb2e1c18ee47b3c74642090d34ce44c5b872d6d661251d49fd", 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: 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` (bin "turtle-graphics" test) generated 2 warnings (run `cargo fix --bin "turtle-graphics" -p turtle-graphics --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/sierpinski.rs:3:51
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, ImageCanvas, BLACK, WHITE};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WindowCanvas`
[INFO] [stderr]  --> examples/sierpinski.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use turtle_graphics::{TurtleLogo, WindowCanvas};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/sierpinski.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let _ = canvas.convert_to_ppm("pictures/", "sierpinski.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (example "sierpinski") generated 3 warnings (run `cargo fix --example "sierpinski" -p turtle-graphics` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `BLACK`
[INFO] [stderr]  --> examples/triangular_bump.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 | use turtle_graphics::{Canvas, Color, BLACK, WHITE};
[INFO] [stderr]   |                                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triangular_bump` is never used
[INFO] [stderr]  --> examples/triangular_bump.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn triangular_bump(turtle: &mut TurtleLogo<f64>, color: Color, canvas: &mut WindowCanvas) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `turtle` is never read
[INFO] [stderr]   --> examples/spiral-star.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     turtle = turtle.spin(19, -PI / 8.0, &mut scale);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/spiral-star.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let _ = canvas.convert_to_ppm("Pictures/", "SpiralStar.ppm");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `turtle-graphics` (example "triangular_bump") generated 2 warnings (run `cargo fix --example "triangular_bump" -p turtle-graphics` to apply 1 suggestion)
[INFO] [stderr] warning: `turtle-graphics` (example "spiral-star") generated 2 warnings
[INFO] [stderr] warning: `turtle-graphics` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/turtle_graphics-6d3f10c08f6f7538)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/turtle_graphics-fd7422886fa1d9d3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests turtle_graphics
[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] [stdout] 
[INFO] [stdout] running 14 tests
[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>::turn (line 149) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::shift (line 244) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::with_vector (line 66) ... 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>::mov (line 112) ... 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>::vector (line 54) ... 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>::new (line 20) ... ok
[INFO] [stdout] test src/turtle/logo.rs - turtle::logo::TurtleLogo<T>::spin (line 200) ... ok
[INFO] [stdout] test src/canvas/canvas.rs - canvas::canvas::Canvas::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' (414) 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:     0x5a91ce6dbb42 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a91ce6dbb42 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a91ce6dbb42 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a91ce6dbb42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a91ce6eae0f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5a91ce6eae0f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5a91ce6b7d03 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a91ce6b7d03 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5a91ce6bdd82 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5a91ce6c00df - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5a91ce6bff39 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5a91ce6c06b5 - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5a91ce6c054a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5a91ce6bdec9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5a91ce6ac4ad - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5a91ce6ee830 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5a91ce6edea6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5a91ce5a5365 - core::result::Result<T,E>::expect::h5b50865e418fff30
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x5a91ce5a4e7a - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::hec16f5536b4fff40
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x5a91ce5a4b22 - rust_out::main::_doctest_main_src_canvas_canvas_rs_18_0::hc36eab35970510d8
[INFO] [stdout]   20:     0x5a91ce5a4ad6 - rust_out::main::h4033cd6033bd24e0
[INFO] [stdout]   21:     0x5a91ce5a4903 - core::ops::function::FnOnce::call_once::h41347ff1687e6b73
[INFO] [stdout]   22:     0x5a91ce5a4866 - std::sys::backtrace::__rust_begin_short_backtrace::h3dc8794c0fbffb60
[INFO] [stdout]   23:     0x5a91ce5a4849 - std::rt::lang_start::{{closure}}::h1efb547a500af631
[INFO] [stdout]   24:     0x5a91ce6b9610 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3e39d917a8cc5592
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x5a91ce6b9610 - std::panicking::catch_unwind::do_call::hc1ce44ccb31bb18e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x5a91ce6b9610 - std::panicking::catch_unwind::ha27d9fd2a77bbb18
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x5a91ce6b9610 - std::panic::catch_unwind::h0b0f1918d1e2eb85
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x5a91ce6b9610 - std::rt::lang_start_internal::{{closure}}::heeac2294083edcfe
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x5a91ce6b9610 - std::panicking::catch_unwind::do_call::h4bb7d51c3842c367
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5a91ce6b9610 - std::panicking::catch_unwind::h1d2f2878ba2618c4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5a91ce6b9610 - std::panic::catch_unwind::h5070bdf026bf1f78
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5a91ce6b9610 - std::rt::lang_start_internal::h9590fa5449576090
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x5a91ce5a4831 - std::rt::lang_start::hb5dea8481070e01f
[INFO] [stdout]   34:     0x5a91ce5a4bb5 - main
[INFO] [stdout]   35:     0x7e5d36bfd1ca - <unknown>
[INFO] [stdout]   36:     0x7e5d36bfd28b - __libc_start_main
[INFO] [stdout]   37:     0x5a91ce5a4555 - _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' (419) 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:     0x64249f57eea2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64249f57eea2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64249f57eea2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64249f57eea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64249f58ec9f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64249f58ec9f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x64249f55b063 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64249f55b063 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64249f5610e2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64249f56343f - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64249f563299 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x64249f563a15 - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x64249f5638aa - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x64249f561229 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x64249f54f80d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x64249f596710 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64249f595d86 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x64249f4486c5 - core::result::Result<T,E>::expect::h5b50865e418fff30
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x64249f4481da - <turtle_graphics::canvas::window::WindowCanvas as turtle_graphics::canvas::canvas::Canvas>::new::hec16f5536b4fff40
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas/window.rs:47:14
[INFO] [stdout]   19:     0x64249f447d26 - rust_out::main::_doctest_main_src_turtle_logo_rs_89_0::hd8300c989e91a3a0
[INFO] [stdout]   20:     0x64249f447c76 - rust_out::main::h4033cd6033bd24e0
[INFO] [stdout]   21:     0x64249f4479a3 - core::ops::function::FnOnce::call_once::h41347ff1687e6b73
[INFO] [stdout]   22:     0x64249f4478c6 - std::sys::backtrace::__rust_begin_short_backtrace::h3dc8794c0fbffb60
[INFO] [stdout]   23:     0x64249f4478a9 - std::rt::lang_start::{{closure}}::h1efb547a500af631
[INFO] [stdout]   24:     0x64249f55c970 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3e39d917a8cc5592
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   25:     0x64249f55c970 - std::panicking::catch_unwind::do_call::hc1ce44ccb31bb18e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   26:     0x64249f55c970 - std::panicking::catch_unwind::ha27d9fd2a77bbb18
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   27:     0x64249f55c970 - std::panic::catch_unwind::h0b0f1918d1e2eb85
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x64249f55c970 - std::rt::lang_start_internal::{{closure}}::heeac2294083edcfe
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x64249f55c970 - std::panicking::catch_unwind::do_call::h4bb7d51c3842c367
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x64249f55c970 - std::panicking::catch_unwind::h1d2f2878ba2618c4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x64249f55c970 - std::panic::catch_unwind::h5070bdf026bf1f78
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x64249f55c970 - std::rt::lang_start_internal::h9590fa5449576090
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x64249f447891 - std::rt::lang_start::hb5dea8481070e01f
[INFO] [stdout]   34:     0x64249f447f15 - main
[INFO] [stdout]   35:     0x7bcf1d3af1ca - <unknown>
[INFO] [stdout]   36:     0x7bcf1d3af28b - __libc_start_main
[INFO] [stdout]   37:     0x64249f446ca5 - _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 1.51s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9c460c88bbba64cb2e1c18ee47b3c74642090d34ce44c5b872d6d661251d49fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c460c88bbba64cb2e1c18ee47b3c74642090d34ce44c5b872d6d661251d49fd", kill_on_drop: false }`
[INFO] [stdout] 9c460c88bbba64cb2e1c18ee47b3c74642090d34ce44c5b872d6d661251d49fd
