[INFO] cloning repository https://github.com/DevGolbang/RayTracingInOneWeekend-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevGolbang/RayTracingInOneWeekend-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevGolbang%2FRayTracingInOneWeekend-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevGolbang%2FRayTracingInOneWeekend-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 306620c8c3d090e02dccd5ee5570f001c97ba64f
[INFO] testing DevGolbang/RayTracingInOneWeekend-Rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevGolbang%2FRayTracingInOneWeekend-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DevGolbang/RayTracingInOneWeekend-Rust
[INFO] finished tweaking git repo https://github.com/DevGolbang/RayTracingInOneWeekend-Rust
[INFO] tweaked toml for git repo https://github.com/DevGolbang/RayTracingInOneWeekend-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DevGolbang/RayTracingInOneWeekend-Rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DevGolbang/RayTracingInOneWeekend-Rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b28ae8119fdeaa06289042ded27fb54c3afe2eebe2ae496a8b01f84f6ab705f7
[INFO] running `Command { std: "docker" "start" "-a" "b28ae8119fdeaa06289042ded27fb54c3afe2eebe2ae496a8b01f84f6ab705f7", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `crate::indicate_bar::IndicateBar`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::indicate_bar::IndicateBar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn scatter(&self, r_in: Ray, rec: HitRecord, attenuation: &mut Vec3, scattered: &mut Ray) -> bool
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Point` is never used
[INFO] [stdout]  --> src/vec3.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Point = Vec3;
[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:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]   --> src/ray.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ray{
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hitable.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> HitRecord<'a>
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 | {
[INFO] [stdout] 17 |     pub fn new(material_pointer: &'a mut dyn Material) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hitable_list.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl HitableList
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 19 | {
[INFO] [stdout] 20 |     pub fn new() -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     u: Vec3, v: Vec3, w: Vec3,
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hitable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hitable_list.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>
[INFO] [stdout]    |                ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sphere.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>{
[INFO] [stdout]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>{
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.85s
[INFO] running `Command { std: "docker" "inspect" "b28ae8119fdeaa06289042ded27fb54c3afe2eebe2ae496a8b01f84f6ab705f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28ae8119fdeaa06289042ded27fb54c3afe2eebe2ae496a8b01f84f6ab705f7", kill_on_drop: false }`
[INFO] [stdout] b28ae8119fdeaa06289042ded27fb54c3afe2eebe2ae496a8b01f84f6ab705f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2f5b9f652717b51d96aa3babab94a2bd38ed7f1471e20b7591d14d47d7abeb89
[INFO] running `Command { std: "docker" "start" "-a" "2f5b9f652717b51d96aa3babab94a2bd38ed7f1471e20b7591d14d47d7abeb89", kill_on_drop: false }`
[INFO] [stderr]    Compiling offline_renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::indicate_bar::IndicateBar`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::indicate_bar::IndicateBar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/main.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn scatter(&self, r_in: Ray, rec: HitRecord, attenuation: &mut Vec3, scattered: &mut Ray) -> bool
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Point` is never used
[INFO] [stdout]  --> src/vec3.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Point = Vec3;
[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:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at` is never used
[INFO] [stdout]   --> src/ray.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Ray{
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hitable.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> HitRecord<'a>
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 16 | {
[INFO] [stdout] 17 |     pub fn new(material_pointer: &'a mut dyn Material) -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hitable_list.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl HitableList
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 19 | {
[INFO] [stdout] 20 |     pub fn new() -> Self
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Camera{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     u: Vec3, v: Vec3, w: Vec3,
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hitable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hitable_list.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>
[INFO] [stdout]    |                ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sphere.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>{
[INFO] [stdout]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>{
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "2f5b9f652717b51d96aa3babab94a2bd38ed7f1471e20b7591d14d47d7abeb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5b9f652717b51d96aa3babab94a2bd38ed7f1471e20b7591d14d47d7abeb89", kill_on_drop: false }`
[INFO] [stdout] 2f5b9f652717b51d96aa3babab94a2bd38ed7f1471e20b7591d14d47d7abeb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f6ed47a5da485ded470ef9a7a72f830ea3782c7587669d054ae2910926553a38
[INFO] running `Command { std: "docker" "start" "-a" "f6ed47a5da485ded470ef9a7a72f830ea3782c7587669d054ae2910926553a38", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::indicate_bar::IndicateBar`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use crate::indicate_bar::IndicateBar;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/main.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::time::{Duration, SystemTime};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]   --> src/material.rs:27:23
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn scatter(&self, r_in: Ray, rec: HitRecord, attenuation: &mut Vec3, scattered: &mut Ray) -> bool
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Point` is never used
[INFO] [stderr]  --> src/vec3.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type Point = Vec3;
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_in_hemisphere` is never used
[INFO] [stderr]    --> src/vec3.rs:158:8
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub fn random_in_hemisphere(normal: Vec3) -> Vec3
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `at` is never used
[INFO] [stderr]   --> src/ray.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Ray{
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn at(&self, t: f64) -> Vec3 {
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hitable.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<'a> HitRecord<'a>
[INFO] [stderr]    | ---------------------- associated function in this implementation
[INFO] [stderr] 16 | {
[INFO] [stderr] 17 |     pub fn new(material_pointer: &'a mut dyn Material) -> Self
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hitable_list.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl HitableList
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 19 | {
[INFO] [stderr] 20 |     pub fn new() -> Self
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `w` is never read
[INFO] [stderr]   --> src/camera.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 5  | pub struct Camera{
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 10 |     u: Vec3, v: Vec3, w: Vec3,
[INFO] [stderr]    |                       ^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/hitable.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stderr]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/hitable_list.rs:31:16
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>
[INFO] [stderr]    |                ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>
[INFO] [stderr]    |                                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/sphere.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord>{
[INFO] [stderr]    |            ^^^^^^^^^ this lifetime flows to the output         --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn hit(&mut self, r: Ray, t_min:f64, t_max: f64) -> Option<HitRecord<'_>>{
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `offline_renderer` (bin "offline_renderer" test) generated 12 warnings (run `cargo fix --bin "offline_renderer" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/offline_renderer-c4b99f490bbe35e6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6ed47a5da485ded470ef9a7a72f830ea3782c7587669d054ae2910926553a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ed47a5da485ded470ef9a7a72f830ea3782c7587669d054ae2910926553a38", kill_on_drop: false }`
[INFO] [stdout] f6ed47a5da485ded470ef9a7a72f830ea3782c7587669d054ae2910926553a38