[INFO] cloning repository https://github.com/TypingPenguin/RayTracer_Rust_Implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TypingPenguin/RayTracer_Rust_Implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTypingPenguin%2FRayTracer_Rust_Implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTypingPenguin%2FRayTracer_Rust_Implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1b5a29eaa516bebeec24db2eb925c31ab4041ab
[INFO] building TypingPenguin/RayTracer_Rust_Implementation against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTypingPenguin%2FRayTracer_Rust_Implementation" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TypingPenguin/RayTracer_Rust_Implementation on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TypingPenguin/RayTracer_Rust_Implementation
[INFO] finished tweaking git repo https://github.com/TypingPenguin/RayTracer_Rust_Implementation
[INFO] tweaked toml for git repo https://github.com/TypingPenguin/RayTracer_Rust_Implementation written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TypingPenguin/RayTracer_Rust_Implementation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07c0318c9f244afc9db3c74760cc881e17197dc1865f65ff373cfdd768f91995
[INFO] running `Command { std: "docker" "start" "-a" "07c0318c9f244afc9db3c74760cc881e17197dc1865f65ff373cfdd768f91995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c0318c9f244afc9db3c74760cc881e17197dc1865f65ff373cfdd768f91995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c0318c9f244afc9db3c74760cc881e17197dc1865f65ff373cfdd768f91995", kill_on_drop: false }`
[INFO] [stdout] 07c0318c9f244afc9db3c74760cc881e17197dc1865f65ff373cfdd768f91995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d6f17ddf6d69446fb5c012907732800a51bfa07695081559581d4b280ba504
[INFO] running `Command { std: "docker" "start" "-a" "56d6f17ddf6d69446fb5c012907732800a51bfa07695081559581d4b280ba504", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/hittable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ray`
[INFO] [stdout]  --> src/hittable.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ray;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/hittable_list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hittable_list.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &ray::Ray, t_min: f64, t_max: f64, mut rec: &mut hittable::hit_record) -> bool {
[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:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut world = random_scene();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn hit_sphere(center: &Point3, radius: f64, r: &ray::Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/vec3.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable_list.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sphere.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Sphere {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new() -> Sphere {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/rtweekend.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const INFINITY: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Lambertian{
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Lambertian {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Metal {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 47 |     fn new() -> Metal {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Dielectric {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 76 |     fn new() -> Dielectric {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "56d6f17ddf6d69446fb5c012907732800a51bfa07695081559581d4b280ba504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d6f17ddf6d69446fb5c012907732800a51bfa07695081559581d4b280ba504", kill_on_drop: false }`
[INFO] [stdout] 56d6f17ddf6d69446fb5c012907732800a51bfa07695081559581d4b280ba504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d260b4d7f93d1b4636a53fbd523ac4e0b7362462a5ca2106219847debb9a172
[INFO] running `Command { std: "docker" "start" "-a" "9d260b4d7f93d1b4636a53fbd523ac4e0b7362462a5ca2106219847debb9a172", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/hittable.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ray`
[INFO] [stdout]  --> src/hittable.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ray;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `hit_record` should have an upper camel case name
[INFO] [stdout]  --> src/hittable.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct hit_record {
[INFO] [stdout]   |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `HitRecord`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vec3`
[INFO] [stdout]  --> src/hittable_list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::vec3;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hittable_list.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn hit(&self, r: &ray::Ray, t_min: f64, t_max: f64, mut rec: &mut hittable::hit_record) -> bool {
[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:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut world = random_scene();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn hit_sphere(center: &Point3, radius: f64, r: &ray::Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_in_hemisphere` is never used
[INFO] [stdout]   --> src/vec3.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn random_in_hemisphere(normal: &Vec3) -> Vec3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable_list.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sphere.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Sphere {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new() -> Sphere {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INFINITY` is never used
[INFO] [stdout]  --> src/rtweekend.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const INFINITY: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Lambertian{
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn new() -> Lambertian {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Metal {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 47 |     fn new() -> Metal {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/material.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Dielectric {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 76 |     fn new() -> Dielectric {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "9d260b4d7f93d1b4636a53fbd523ac4e0b7362462a5ca2106219847debb9a172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d260b4d7f93d1b4636a53fbd523ac4e0b7362462a5ca2106219847debb9a172", kill_on_drop: false }`
[INFO] [stdout] 9d260b4d7f93d1b4636a53fbd523ac4e0b7362462a5ca2106219847debb9a172