[INFO] cloning repository https://github.com/RikardLegge/ray-tracer-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RikardLegge/ray-tracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikardLegge%2Fray-tracer-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikardLegge%2Fray-tracer-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75c393559365121da2ddc123ac6b8f77b6005371
[INFO] checking RikardLegge/ray-tracer-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRikardLegge%2Fray-tracer-rs" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RikardLegge/ray-tracer-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/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 `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bb73ded7fc4ff2654660d6fb9535ee21672ba854369c455a37a37e126755bca
[INFO] running `"docker" "start" "-a" "3bb73ded7fc4ff2654660d6fb9535ee21672ba854369c455a37a37e126755bca"`
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking tempfile v3.0.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.1
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking cubes v0.1.0 (/opt/rustwide/workdir)
[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: consider prefixing 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: consider prefixing 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:9:1
[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:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn polygon_to_lines(points: &[[f64; 2]]) -> Vec<[f64; 4]> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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 item 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: 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: consider prefixing 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: consider prefixing 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:9:1
[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:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn polygon_to_lines(points: &[[f64; 2]]) -> Vec<[f64; 4]> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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 item 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "3bb73ded7fc4ff2654660d6fb9535ee21672ba854369c455a37a37e126755bca"`
[INFO] running `"docker" "rm" "-f" "3bb73ded7fc4ff2654660d6fb9535ee21672ba854369c455a37a37e126755bca"`
[INFO] [stdout] 3bb73ded7fc4ff2654660d6fb9535ee21672ba854369c455a37a37e126755bca