[INFO] updating cached repository https://github.com/RikardLegge/ray-tracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75c393559365121da2ddc123ac6b8f77b6005371
[INFO] testing RikardLegge/ray-tracer-rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikardLegge%2Fray-tracer-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RikardLegge/ray-tracer-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RikardLegge/ray-tracer-rs
[INFO] finished tweaking git repo https://github.com/RikardLegge/ray-tracer-rs
[INFO] tweaked toml for git repo https://github.com/RikardLegge/ray-tracer-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/RikardLegge/ray-tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eca31da854c6786b84d613d8ccf83367d4bcf31248da3fae92fafd4ec3862c20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eca31da854c6786b84d613d8ccf83367d4bcf31248da3fae92fafd4ec3862c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca31da854c6786b84d613d8ccf83367d4bcf31248da3fae92fafd4ec3862c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca31da854c6786b84d613d8ccf83367d4bcf31248da3fae92fafd4ec3862c20", kill_on_drop: false }`
[INFO] [stdout] eca31da854c6786b84d613d8ccf83367d4bcf31248da3fae92fafd4ec3862c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0081d9c5ae3ba93b6c2224d74360f260557845cff6b28f98c2a74189d832c0d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0081d9c5ae3ba93b6c2224d74360f260557845cff6b28f98c2a74189d832c0d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling tempfile v3.0.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rusttype v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.52.1
[INFO] [stderr]    Compiling pistoncore-window v0.31.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.36.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.45.3
[INFO] [stderr]    Compiling piston v0.36.0
[INFO] [stderr]    Compiling cubes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `polygon_points`
[INFO] [stdout]    --> src/main.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let polygon_points = sorted_hit_points.iter().map(|hit| hit.point).collect::<Vec<[f64; 2]>>();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_polygon_points`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:161:26
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ray_tracer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut r_dx = target[0] - r_px;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ray_tracer.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut r_dy = target[1] - r_py;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TracableType`
[INFO] [stdout]  --> src/ray_tracer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum TracableType {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `polygon_to_lines`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn polygon_to_lines(points: &[[f64; 2]]) -> Vec<[f64; 4]> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GRAY`
[INFO] [stdout]   --> src/main.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | const GRAY: [f32; 4] = [0.2, 0.2, 0.2, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PURPLE`
[INFO] [stdout]   --> src/main.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PURPLE: [f32; 4] = [1.0, 0.2, 1.0, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.97s
[INFO] running `Command { std: "docker" "inspect" "0081d9c5ae3ba93b6c2224d74360f260557845cff6b28f98c2a74189d832c0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0081d9c5ae3ba93b6c2224d74360f260557845cff6b28f98c2a74189d832c0d0", kill_on_drop: false }`
[INFO] [stdout] 0081d9c5ae3ba93b6c2224d74360f260557845cff6b28f98c2a74189d832c0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4400460b3303f930d2227a79ba769a9123511cbe224863fb5b211b64c1cbf10d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4400460b3303f930d2227a79ba769a9123511cbe224863fb5b211b64c1cbf10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cubes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/ray_tracer.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `polygon_points`
[INFO] [stdout]    --> src/main.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let polygon_points = sorted_hit_points.iter().map(|hit| hit.point).collect::<Vec<[f64; 2]>>();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_polygon_points`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:161:26
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ray_tracer.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut r_dx = target[0] - r_px;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ray_tracer.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut r_dy = target[1] - r_py;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TracableType`
[INFO] [stdout]  --> src/ray_tracer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum TracableType {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `polygon_to_lines`
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn polygon_to_lines(points: &[[f64; 2]]) -> Vec<[f64; 4]> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GRAY`
[INFO] [stdout]   --> src/main.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | const GRAY: [f32; 4] = [0.2, 0.2, 0.2, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PURPLE`
[INFO] [stdout]   --> src/main.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | const PURPLE: [f32; 4] = [1.0, 0.2, 1.0, 1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "4400460b3303f930d2227a79ba769a9123511cbe224863fb5b211b64c1cbf10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4400460b3303f930d2227a79ba769a9123511cbe224863fb5b211b64c1cbf10d", kill_on_drop: false }`
[INFO] [stdout] 4400460b3303f930d2227a79ba769a9123511cbe224863fb5b211b64c1cbf10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d7638b64a9f50f3876f1d37f8be2ed4074ca74388e867e0fdd6c0d1918bfb8c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d7638b64a9f50f3876f1d37f8be2ed4074ca74388e867e0fdd6c0d1918bfb8c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/ray_tracer.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `polygon_points`
[INFO] [stderr]    --> src/main.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let polygon_points = sorted_hit_points.iter().map(|hit| hit.point).collect::<Vec<[f64; 2]>>();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_polygon_points`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/main.rs:161:26
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ray_tracer.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut r_dx = target[0] - r_px;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ray_tracer.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut r_dy = target[1] - r_py;
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TracableType`
[INFO] [stderr]  --> src/ray_tracer.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum TracableType {
[INFO] [stderr]   |      ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `polygon_to_lines`
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn polygon_to_lines(points: &[[f64; 2]]) -> Vec<[f64; 4]> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `GRAY`
[INFO] [stderr]   --> src/main.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | const GRAY: [f32; 4] = [0.2, 0.2, 0.2, 1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PURPLE`
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | const PURPLE: [f32; 4] = [1.0, 0.2, 1.0, 1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cubes-1bc0e47340a4316a
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d7638b64a9f50f3876f1d37f8be2ed4074ca74388e867e0fdd6c0d1918bfb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7638b64a9f50f3876f1d37f8be2ed4074ca74388e867e0fdd6c0d1918bfb8c", kill_on_drop: false }`
[INFO] [stdout] 7d7638b64a9f50f3876f1d37f8be2ed4074ca74388e867e0fdd6c0d1918bfb8c