[INFO] cloning repository https://github.com/blueyellowpink/rust-ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blueyellowpink/rust-ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueyellowpink%2Frust-ray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblueyellowpink%2Frust-ray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03679f8ef611db0693843696b56ce2357024b2da
[INFO] testing blueyellowpink/rust-ray-tracer 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%2Fblueyellowpink%2Frust-ray-tracer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blueyellowpink/rust-ray-tracer
[INFO] finished tweaking git repo https://github.com/blueyellowpink/rust-ray-tracer
[INFO] tweaked toml for git repo https://github.com/blueyellowpink/rust-ray-tracer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blueyellowpink/rust-ray-tracer 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/blueyellowpink/rust-ray-tracer 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded either v1.8.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9866dd0326bc4ba1d8c6656f6c2a69388ecc1358c6a7149f9e6bd5b4f9fc220d
[INFO] running `Command { std: "docker" "start" "-a" "9866dd0326bc4ba1d8c6656f6c2a69388ecc1358c6a7149f9e6bd5b4f9fc220d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9866dd0326bc4ba1d8c6656f6c2a69388ecc1358c6a7149f9e6bd5b4f9fc220d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9866dd0326bc4ba1d8c6656f6c2a69388ecc1358c6a7149f9e6bd5b4f9fc220d", kill_on_drop: false }`
[INFO] [stdout] 9866dd0326bc4ba1d8c6656f6c2a69388ecc1358c6a7149f9e6bd5b4f9fc220d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 86b48ba50b5911840257925c0328cb78166e63c59e716e636fc9808a84f41ae8
[INFO] running `Command { std: "docker" "start" "-a" "86b48ba50b5911840257925c0328cb78166e63c59e716e636fc9808a84f41ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.15.0
[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 rayon v1.6.1
[INFO] [stderr]    Compiling rust-ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `color::Color`
[INFO] [stdout]  --> src/camera.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::Color,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Sphere`
[INFO] [stdout]  --> src/ray.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     object::Sphere,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::color::Color`
[INFO] [stdout]  --> src/vec.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::color::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point2D`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vec::{Point2D, Point3D, Vec3D},
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `material_left`
[INFO] [stdout]    --> src/main.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let material_left = Arc::new(Dielectric::new(1.5));
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_material_left`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTI_ALIAS` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ANTI_ALIAS: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `aspect_ratio` are never read
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Image {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 30 |     pub inner: Grid,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub aspect_ratio: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_ppm_stdout` is never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Image {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn write_ppm_stdout(&self, fg: Color, bg: Color) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]    --> src/main.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn a() {
[INFO] [stdout]     |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b` is never used
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn b() {
[INFO] [stdout]     |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "86b48ba50b5911840257925c0328cb78166e63c59e716e636fc9808a84f41ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b48ba50b5911840257925c0328cb78166e63c59e716e636fc9808a84f41ae8", kill_on_drop: false }`
[INFO] [stdout] 86b48ba50b5911840257925c0328cb78166e63c59e716e636fc9808a84f41ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f34fda51fefdda97b248dc85cf310c615be76f2384a1ded4f7f17c87764905f6
[INFO] running `Command { std: "docker" "start" "-a" "f34fda51fefdda97b248dc85cf310c615be76f2384a1ded4f7f17c87764905f6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `color::Color`
[INFO] [stdout]  --> src/camera.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::Color,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `object::Sphere`
[INFO] [stdout]  --> src/ray.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     object::Sphere,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::color::Color`
[INFO] [stdout]  --> src/vec.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::color::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point2D`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vec::{Point2D, Point3D, Vec3D},
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color::Color`
[INFO] [stdout]  --> src/camera.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     color::Color,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/color.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `object::Sphere`
[INFO] [stdout]  --> src/ray.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     object::Sphere,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::color::Color`
[INFO] [stdout]  --> src/vec.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::color::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `material_left`
[INFO] [stdout]    --> src/main.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let material_left = Arc::new(Dielectric::new(1.5));
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_material_left`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANTI_ALIAS` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ANTI_ALIAS: bool = true;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `aspect_ratio` are never read
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Image {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 30 |     pub inner: Grid,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub aspect_ratio: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_ppm_stdout` is never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Image {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn write_ppm_stdout(&self, fg: Color, bg: Color) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]    --> src/main.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn a() {
[INFO] [stdout]     |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b` is never used
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn b() {
[INFO] [stdout]     |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ray_in`
[INFO] [stdout]   --> src/material.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f34fda51fefdda97b248dc85cf310c615be76f2384a1ded4f7f17c87764905f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34fda51fefdda97b248dc85cf310c615be76f2384a1ded4f7f17c87764905f6", kill_on_drop: false }`
[INFO] [stdout] f34fda51fefdda97b248dc85cf310c615be76f2384a1ded4f7f17c87764905f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 28836063418ea63999802443ad2ecb2079f54f80c086ec66cef6fd5e38902446
[INFO] running `Command { std: "docker" "start" "-a" "28836063418ea63999802443ad2ecb2079f54f80c086ec66cef6fd5e38902446", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `color::Color`
[INFO] [stderr]  --> src/camera.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     color::Color,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Range`
[INFO] [stderr]  --> src/color.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Range;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `object::Sphere`
[INFO] [stderr]  --> src/ray.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     object::Sphere,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::color::Color`
[INFO] [stderr]  --> src/vec.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::color::Color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray_in`
[INFO] [stderr]   --> src/material.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stderr]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray_in`
[INFO] [stderr]   --> src/material.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn scatter(&self, ray_in: &Ray, hit_record: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stderr]    |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ray_in`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ray-tracer` (lib) generated 6 warnings (run `cargo fix --lib -p rust-ray-tracer` to apply 4 suggestions)
[INFO] [stderr] warning: `rust-ray-tracer` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `Point2D`
[INFO] [stderr]   --> src/main.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vec::{Point2D, Point3D, Vec3D},
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `material_left`
[INFO] [stderr]    --> src/main.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let material_left = Arc::new(Dielectric::new(1.5));
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_material_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ANTI_ALIAS` is never used
[INFO] [stderr]   --> src/main.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | const ANTI_ALIAS: bool = true;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `inner` and `aspect_ratio` are never read
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Image {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 30 |     pub inner: Grid,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub aspect_ratio: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `write_ppm_stdout` is never used
[INFO] [stderr]   --> src/main.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl Image {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn write_ppm_stdout(&self, fg: Color, bg: Color) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `a` is never used
[INFO] [stderr]    --> src/main.rs:207:4
[INFO] [stderr]     |
[INFO] [stderr] 207 | fn a() {
[INFO] [stderr]     |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: function `b` is never used
[INFO] [stderr]    --> src/main.rs:260:4
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn b() {
[INFO] [stderr]     |    ^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ray-tracer` (bin "rust-ray-tracer" test) generated 7 warnings (run `cargo fix --bin "rust-ray-tracer" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_ray_tracer-eaaadab3701dcb69)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test vec::tests::test_point_3d_dot_product_move ... ok
[INFO] [stdout] test vec::tests::test_point_3d_dot_product_borrow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_ray_tracer-8c193f4ac1e0419f)
[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" "28836063418ea63999802443ad2ecb2079f54f80c086ec66cef6fd5e38902446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28836063418ea63999802443ad2ecb2079f54f80c086ec66cef6fd5e38902446", kill_on_drop: false }`
[INFO] [stdout] 28836063418ea63999802443ad2ecb2079f54f80c086ec66cef6fd5e38902446