[INFO] updating cached repository RikardLegge/ray-tracer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RikardLegge/ray-tracer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RikardLegge/ray-tracer-rs" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/RikardLegge/ray-tracer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/RikardLegge/ray-tracer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RikardLegge/ray-tracer-rs" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/RikardLegge/ray-tracer-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/RikardLegge/ray-tracer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75c393559365121da2ddc123ac6b8f77b6005371
[INFO] sha for GitHub repo RikardLegge/ray-tracer-rs: 75c393559365121da2ddc123ac6b8f77b6005371
[INFO] validating manifest of RikardLegge/ray-tracer-rs on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RikardLegge/ray-tracer-rs on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RikardLegge/ray-tracer-rs
[INFO] finished frobbing RikardLegge/ray-tracer-rs
[INFO] frobbed toml for RikardLegge/ray-tracer-rs written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/RikardLegge/ray-tracer-rs/Cargo.toml
[INFO] started frobbing RikardLegge/ray-tracer-rs
[INFO] finished frobbing RikardLegge/ray-tracer-rs
[INFO] frobbed toml for RikardLegge/ray-tracer-rs written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/RikardLegge/ray-tracer-rs/Cargo.toml
[INFO] crate RikardLegge/ray-tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RikardLegge/ray-tracer-rs against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-0/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/RikardLegge/ray-tracer-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8e31178aa222ee0fec1971c4a416bc72cdd9f84939979a99b1c4e89c563876e
[INFO] running `"docker" "start" "-a" "e8e31178aa222ee0fec1971c4a416bc72cdd9f84939979a99b1c4e89c563876e"`
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking tempfile v3.0.1
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[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-glutin_window v0.45.3
[INFO] [stderr]     Checking cubes v0.1.0 (/opt/crater/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 27.52s
[INFO] running `"docker" "inspect" "e8e31178aa222ee0fec1971c4a416bc72cdd9f84939979a99b1c4e89c563876e"`
[INFO] running `"docker" "rm" "-f" "e8e31178aa222ee0fec1971c4a416bc72cdd9f84939979a99b1c4e89c563876e"`
[INFO] [stdout] e8e31178aa222ee0fec1971c4a416bc72cdd9f84939979a99b1c4e89c563876e