[INFO] cloning repository https://github.com/BjarkePedersen/raytracey-not-a-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BjarkePedersen/raytracey-not-a-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%2Fraytracey-not-a-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%2Fraytracey-not-a-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bb7f3779715147ab534ee75e30d6e3c6469ced2
[INFO] checking BjarkePedersen/raytracey-not-a-raytracer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBjarkePedersen%2Fraytracey-not-a-raytracer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BjarkePedersen/raytracey-not-a-raytracer on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BjarkePedersen/raytracey-not-a-raytracer
[INFO] finished tweaking git repo https://github.com/BjarkePedersen/raytracey-not-a-raytracer
[INFO] tweaked toml for git repo https://github.com/BjarkePedersen/raytracey-not-a-raytracer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/BjarkePedersen/raytracey-not-a-raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.3.1
[INFO] [stderr]   Downloaded ordered-float v1.0.1
[INFO] [stderr]   Downloaded sdl2 v0.31.0
[INFO] [stderr]   Downloaded orbclient v0.3.20
[INFO] [stderr]   Downloaded sdl2-sys v0.31.0
[INFO] [stderr]   Downloaded rgb v0.8.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f4bcba47192ea6b599af84e74d5b124dd40cf724b322176595e4dba9dec2ece
[INFO] running `Command { std: "docker" "start" "-a" "4f4bcba47192ea6b599af84e74d5b124dd40cf724b322176595e4dba9dec2ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f4bcba47192ea6b599af84e74d5b124dd40cf724b322176595e4dba9dec2ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4bcba47192ea6b599af84e74d5b124dd40cf724b322176595e4dba9dec2ece", kill_on_drop: false }`
[INFO] [stdout] 4f4bcba47192ea6b599af84e74d5b124dd40cf724b322176595e4dba9dec2ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb339e0326e0a044700ee3d2e232317af4c52e8b4ba80b5f2ad1ee5a5f4cdda2
[INFO] running `Command { std: "docker" "start" "-a" "eb339e0326e0a044700ee3d2e232317af4c52e8b4ba80b5f2ad1ee5a5f4cdda2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rgb v0.8.12
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking simple_rust_cpu_raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ord`
[INFO] [stdout]  --> src/skybox.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/main.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let col = col * Col::from_hue(cr) * (1.0 / Col::from_hue(cr).luminance());
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `powf`
[INFO] [stdout]   --> src/helpers.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn powf(&self, power: f32) -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `powi`
[INFO] [stdout]   --> src/helpers.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn powi(&self, power: i32) -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/helpers.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn red() -> Col {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `green`
[INFO] [stdout]   --> src/helpers.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn green() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blue`
[INFO] [stdout]   --> src/helpers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn blue() -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `yellow`
[INFO] [stdout]   --> src/helpers.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn yellow() -> Col {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cyan`
[INFO] [stdout]   --> src/helpers.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn cyan() -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `magenta`
[INFO] [stdout]   --> src/helpers.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn magenta() -> Col {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black`
[INFO] [stdout]   --> src/helpers.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn black() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white`
[INFO] [stdout]   --> src/helpers.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn white() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grey`
[INFO] [stdout]    --> src/helpers.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn grey() -> Col {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `light_grey`
[INFO] [stdout]    --> src/helpers.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn light_grey() -> Col {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dark_grey`
[INFO] [stdout]    --> src/helpers.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn dark_grey() -> Col {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_random_hue`
[INFO] [stdout]    --> src/helpers.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn from_random_hue(rng: &mut StdRng) -> Col {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `uv_to_pixel_coordinates`
[INFO] [stdout]    --> src/helpers.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 308 | pub fn uv_to_pixel_coordinates(uv: UV, width: f32, height: f32) -> Vector2<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimensions`
[INFO] [stdout]    --> src/helpers.rs:365:5
[INFO] [stdout]     |
[INFO] [stdout] 365 |     dimensions: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/helpers.rs:375:12
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn new(dimensions: usize) -> Axis {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/helpers.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn next(&self) -> Axis {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ord`
[INFO] [stdout]  --> src/skybox.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/main.rs:126:25
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     let col = col * Col::from_hue(cr) * (1.0 / Col::from_hue(cr).luminance());
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `powf`
[INFO] [stdout]   --> src/helpers.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn powf(&self, power: f32) -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `powi`
[INFO] [stdout]   --> src/helpers.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn powi(&self, power: i32) -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/helpers.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn red() -> Col {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `green`
[INFO] [stdout]   --> src/helpers.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn green() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blue`
[INFO] [stdout]   --> src/helpers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn blue() -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `yellow`
[INFO] [stdout]   --> src/helpers.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn yellow() -> Col {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cyan`
[INFO] [stdout]   --> src/helpers.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn cyan() -> Col {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `magenta`
[INFO] [stdout]   --> src/helpers.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn magenta() -> Col {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black`
[INFO] [stdout]   --> src/helpers.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn black() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `white`
[INFO] [stdout]   --> src/helpers.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn white() -> Col {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grey`
[INFO] [stdout]    --> src/helpers.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn grey() -> Col {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `light_grey`
[INFO] [stdout]    --> src/helpers.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn light_grey() -> Col {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dark_grey`
[INFO] [stdout]    --> src/helpers.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn dark_grey() -> Col {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_random_hue`
[INFO] [stdout]    --> src/helpers.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn from_random_hue(rng: &mut StdRng) -> Col {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `uv_to_pixel_coordinates`
[INFO] [stdout]    --> src/helpers.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 308 | pub fn uv_to_pixel_coordinates(uv: UV, width: f32, height: f32) -> Vector2<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dimensions`
[INFO] [stdout]    --> src/helpers.rs:365:5
[INFO] [stdout]     |
[INFO] [stdout] 365 |     dimensions: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/helpers.rs:375:12
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn new(dimensions: usize) -> Axis {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]    --> src/helpers.rs:381:12
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub fn next(&self) -> Axis {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
[INFO] running `Command { std: "docker" "inspect" "eb339e0326e0a044700ee3d2e232317af4c52e8b4ba80b5f2ad1ee5a5f4cdda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb339e0326e0a044700ee3d2e232317af4c52e8b4ba80b5f2ad1ee5a5f4cdda2", kill_on_drop: false }`
[INFO] [stdout] eb339e0326e0a044700ee3d2e232317af4c52e8b4ba80b5f2ad1ee5a5f4cdda2