[INFO] cloning repository https://github.com/AlcyZ/shindex-rust-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlcyZ/shindex-rust-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcyZ%2Fshindex-rust-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcyZ%2Fshindex-rust-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c6b2e9d0c7b441662b2a5551e930b5de9f1dc4
[INFO] checking AlcyZ/shindex-rust-tracer-challenge against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcyZ%2Fshindex-rust-tracer-challenge" "/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/AlcyZ/shindex-rust-tracer-challenge on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlcyZ/shindex-rust-tracer-challenge
[INFO] finished tweaking git repo https://github.com/AlcyZ/shindex-rust-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/AlcyZ/shindex-rust-tracer-challenge written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/AlcyZ/shindex-rust-tracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 928dd8d4899177545794f098947dd5711fbf59d6b2311ff09a770e320dc22ba8
[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" "928dd8d4899177545794f098947dd5711fbf59d6b2311ff09a770e320dc22ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928dd8d4899177545794f098947dd5711fbf59d6b2311ff09a770e320dc22ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928dd8d4899177545794f098947dd5711fbf59d6b2311ff09a770e320dc22ba8", kill_on_drop: false }`
[INFO] [stdout] 928dd8d4899177545794f098947dd5711fbf59d6b2311ff09a770e320dc22ba8
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170514ca34d73f45c11f0f186755562f615315e5ae07c94f5fbe0a77f5a747bb
[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" "170514ca34d73f45c11f0f186755562f615315e5ae07c94f5fbe0a77f5a747bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking shindex-rust-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/math/matrix.rs:253:8
[INFO] [stdout]     |
[INFO] [stdout] 253 |     fn get(&self, row: usize, column: usize) -> f64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotation_x`
[INFO] [stdout]   --> src/math/transformation.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) fn rotation_x(radians: f64) -> M4 {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotation_y`
[INFO] [stdout]   --> src/math/transformation.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub(crate) fn rotation_y(radians: f64) -> M4 {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotation_z`
[INFO] [stdout]   --> src/math/transformation.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(crate) fn rotation_z(radians: f64) -> M4 {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shearing`
[INFO] [stdout]   --> src/math/transformation.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) fn shearing(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> M4 {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_point`
[INFO] [stdout]   --> src/math/tuple.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub(crate) fn is_point(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_direction`
[INFO] [stdout]   --> src/math/tuple.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(crate) fn is_direction(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pattern/gradient.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn new(a: Color, b: Color) -> GradientPattern {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pattern/ring.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub(crate) fn new(a: Color, b: Color) -> RingPattern {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pattern/stripe.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub(crate) fn new(a: Color, b: Color) -> StripePattern {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_transform`
[INFO] [stdout]   --> src/pattern/mod.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub(crate) fn set_transform(&mut self, new: M4) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/primitives/plane.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) fn new() -> Plane {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_material`
[INFO] [stdout]   --> src/primitives/shape.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) fn set_material(&mut self, new: Material) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_material_specular`
[INFO] [stdout]   --> src/primitives/shape.rs:86:19
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub(crate) fn set_material_specular(&mut self, new: f64) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `glass`
[INFO] [stdout]   --> src/primitives/sphere.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) fn glass() -> Sphere {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fov`
[INFO] [stdout]   --> src/scene/camera.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fov: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_color`
[INFO] [stdout]   --> src/scene/shading/material.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn get_color(&self) -> Color {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_specular`
[INFO] [stdout]    --> src/scene/shading/material.rs:113:19
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub(crate) fn set_specular(&mut self, new: f64) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `first`
[INFO] [stdout]    --> src/scene/tracing/intersection.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub(crate) fn first(&self) -> Option<&Intersection> {
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last`
[INFO] [stdout]    --> src/scene/tracing/intersection.rs:201:19
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub(crate) fn last(&self) -> Option<&Intersection> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/scene/tracing/intersection.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/scene/tracing/intersection.rs:209:19
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub(crate) fn get(&self, index: usize) -> Option<&Intersection> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.85s
[INFO] running `Command { std: "docker" "inspect" "170514ca34d73f45c11f0f186755562f615315e5ae07c94f5fbe0a77f5a747bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170514ca34d73f45c11f0f186755562f615315e5ae07c94f5fbe0a77f5a747bb", kill_on_drop: false }`
[INFO] [stdout] 170514ca34d73f45c11f0f186755562f615315e5ae07c94f5fbe0a77f5a747bb