[INFO] cloning repository https://github.com/Lee-Garcon/rust-raytracer-quest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lee-Garcon/rust-raytracer-quest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-Garcon%2Frust-raytracer-quest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-Garcon%2Frust-raytracer-quest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d8367c743a5b5a41165962fe792ce008d13a7da
[INFO] testing Lee-Garcon/rust-raytracer-quest against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLee-Garcon%2Frust-raytracer-quest" "/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/Lee-Garcon/rust-raytracer-quest on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lee-Garcon/rust-raytracer-quest
[INFO] finished tweaking git repo https://github.com/Lee-Garcon/rust-raytracer-quest
[INFO] tweaked toml for git repo https://github.com/Lee-Garcon/rust-raytracer-quest written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Lee-Garcon/rust-raytracer-quest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.15.2
[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18a2ef652cb6c45cd5e889b760ddcc3b6df8e0619d929b5240e75d6ed22bb154
[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" "18a2ef652cb6c45cd5e889b760ddcc3b6df8e0619d929b5240e75d6ed22bb154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18a2ef652cb6c45cd5e889b760ddcc3b6df8e0619d929b5240e75d6ed22bb154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a2ef652cb6c45cd5e889b760ddcc3b6df8e0619d929b5240e75d6ed22bb154", kill_on_drop: false }`
[INFO] [stdout] 18a2ef652cb6c45cd5e889b760ddcc3b6df8e0619d929b5240e75d6ed22bb154
[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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e53453caf574129112318a80a9de4e17cca8563d889288a9e1dd974199db892
[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" "9e53453caf574129112318a80a9de4e17cca8563d889288a9e1dd974199db892", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DynamicImage`, `GenericImage`
[INFO] [stdout]  --> src/frame/objects/assets/primitives/color.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgba`
[INFO] [stdout]  --> src/frame/frame.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DynamicImage`, `GenericImage`, `Pixel`, `Rgba`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]    |             ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/frame/frame.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane1`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let plane1 = Plane {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane2`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let plane2 = Plane {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light2`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let light2 = Light::DirectionalLight(DirectionalLight {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit_point`
[INFO] [stdout]   --> src/frame/objects/assets/plane.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn surface_normal(&self, hit_point: &Vector) -> Vector {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hit_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_light`
[INFO] [stdout]    --> src/frame/frame.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     let in_light = shadow_intersection.is_none() ||
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/frame/frame.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 Some(t) => Some(s)
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut element_vector = vec![
[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/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut light_vector = vec![
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut frame = Frame {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plane`
[INFO] [stdout]   --> src/frame/objects/element.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Plane(Plane),
[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: `debug`
[INFO] [stdout]   --> src/frame/objects/element.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn debug(&self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn cross(&self, v: &Vector) -> Vector {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn display(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn debug(&self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn values(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/ray.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn values(&self) -> (Vector, Vector){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/ray.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn display(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     image.save("trace.png");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "9e53453caf574129112318a80a9de4e17cca8563d889288a9e1dd974199db892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e53453caf574129112318a80a9de4e17cca8563d889288a9e1dd974199db892", kill_on_drop: false }`
[INFO] [stdout] 9e53453caf574129112318a80a9de4e17cca8563d889288a9e1dd974199db892
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b291f20f2a66e1583aea4b2304566966e6b422bb7b5fb8ca7b9e3fc269aaead3
[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" "b291f20f2a66e1583aea4b2304566966e6b422bb7b5fb8ca7b9e3fc269aaead3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DynamicImage`, `GenericImage`
[INFO] [stdout]  --> src/frame/objects/assets/primitives/color.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgba`
[INFO] [stdout]  --> src/frame/frame.rs:2:48
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |                                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DynamicImage`, `GenericImage`, `Pixel`, `Rgba`
[INFO] [stdout]   --> src/main.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]    |             ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/frame/frame.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stdout]   |                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane1`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let plane1 = Plane {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `plane2`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let plane2 = Plane {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light2`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let light2 = Light::DirectionalLight(DirectionalLight {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hit_point`
[INFO] [stdout]   --> src/frame/objects/assets/plane.rs:25:30
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn surface_normal(&self, hit_point: &Vector) -> Vector {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hit_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_light`
[INFO] [stdout]    --> src/frame/frame.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                     let in_light = shadow_intersection.is_none() ||
[INFO] [stdout]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/frame/frame.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 Some(t) => Some(s)
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut element_vector = vec![
[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/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut light_vector = vec![
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut frame = Frame {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plane`
[INFO] [stdout]   --> src/frame/objects/element.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Plane(Plane),
[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: `debug`
[INFO] [stdout]   --> src/frame/objects/element.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn debug(&self){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn cross(&self, v: &Vector) -> Vector {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn display(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn debug(&self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/vector.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn values(&self) -> (f64, f64, f64) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `values`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/ray.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn values(&self) -> (Vector, Vector){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]   --> src/frame/objects/assets/primitives/ray.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn display(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     image.save("trace.png");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "b291f20f2a66e1583aea4b2304566966e6b422bb7b5fb8ca7b9e3fc269aaead3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b291f20f2a66e1583aea4b2304566966e6b422bb7b5fb8ca7b9e3fc269aaead3", kill_on_drop: false }`
[INFO] [stdout] b291f20f2a66e1583aea4b2304566966e6b422bb7b5fb8ca7b9e3fc269aaead3
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19937b1ddbddcd0b5da04ddf51c9e8dad4d1dbbcc0a816e8ee5a22a69f7276cb
[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" "19937b1ddbddcd0b5da04ddf51c9e8dad4d1dbbcc0a816e8ee5a22a69f7276cb", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `DynamicImage`, `GenericImage`
[INFO] [stderr]  --> src/frame/objects/assets/primitives/color.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rgba`
[INFO] [stderr]  --> src/frame/frame.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stderr]   |                                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DynamicImage`, `GenericImage`, `Pixel`, `Rgba`
[INFO] [stderr]   --> src/main.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stderr]    |             ^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Pixel`
[INFO] [stderr]  --> src/frame/frame.rs:2:41
[INFO] [stderr]   |
[INFO] [stderr] 2 | use image::{DynamicImage, GenericImage, Pixel, Rgba};
[INFO] [stderr]   |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plane1`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let plane1 = Plane {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `plane2`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let plane2 = Plane {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_plane2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light2`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let light2 = Light::DirectionalLight(DirectionalLight {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit_point`
[INFO] [stderr]   --> src/frame/objects/assets/plane.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn surface_normal(&self, hit_point: &Vector) -> Vector {
[INFO] [stderr]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hit_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `in_light`
[INFO] [stderr]    --> src/frame/frame.rs:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     let in_light = shadow_intersection.is_none() ||
[INFO] [stderr]     |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_in_light`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/frame/frame.rs:146:22
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 Some(t) => Some(s)
[INFO] [stderr]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut element_vector = vec![
[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/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut light_vector = vec![
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let mut frame = Frame {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plane`
[INFO] [stderr]   --> src/frame/objects/element.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Plane(Plane),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug`
[INFO] [stderr]   --> src/frame/objects/element.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn debug(&self){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cross`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/vector.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn cross(&self, v: &Vector) -> Vector {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/vector.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn display(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/vector.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn debug(&self) -> String {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `values`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/vector.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn values(&self) -> (f64, f64, f64) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `values`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/ray.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn values(&self) -> (Vector, Vector){
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `display`
[INFO] [stderr]   --> src/frame/objects/assets/primitives/ray.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn display(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     image.save("trace.png");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust-f25e268964e5d19b
[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" "19937b1ddbddcd0b5da04ddf51c9e8dad4d1dbbcc0a816e8ee5a22a69f7276cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19937b1ddbddcd0b5da04ddf51c9e8dad4d1dbbcc0a816e8ee5a22a69f7276cb", kill_on_drop: false }`
[INFO] [stdout] 19937b1ddbddcd0b5da04ddf51c9e8dad4d1dbbcc0a816e8ee5a22a69f7276cb
