[INFO] fetching crate bs-trace 0.3.0...
[INFO] testing bs-trace-0.3.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate bs-trace 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate bs-trace 0.3.0
[INFO] finished tweaking crates.io crate bs-trace 0.3.0
[INFO] tweaked toml for crates.io crate bs-trace 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bs-trace 0.3.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bs-trace 0.3.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9563d70855afdecebaf000cd6ad68b2affe5341dcbe7733e35e8cde36e816e5a
[INFO] running `Command { std: "docker" "start" "-a" "9563d70855afdecebaf000cd6ad68b2affe5341dcbe7733e35e8cde36e816e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9563d70855afdecebaf000cd6ad68b2affe5341dcbe7733e35e8cde36e816e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9563d70855afdecebaf000cd6ad68b2affe5341dcbe7733e35e8cde36e816e5a", kill_on_drop: false }`
[INFO] [stdout] 9563d70855afdecebaf000cd6ad68b2affe5341dcbe7733e35e8cde36e816e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ed8847190a152153c142f76a51509b31ae669f38f4560f11b54e06f5c9d2636
[INFO] running `Command { std: "docker" "start" "-a" "6ed8847190a152153c142f76a51509b31ae669f38f4560f11b54e06f5c9d2636", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling bs-trace v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MulAssign`
[INFO] [stdout]  --> src/linalg/matrix.rs:6:70
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Sub, SubAssign};
[INFO] [stdout]   |                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/trace/description.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml::{Table, Value};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/trace/camera.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let (tx, rx) = mpsc::channel::<Vec<Colour>>();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/camera.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let join_handles = (0..num_threads).map(|_| {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_nums`
[INFO] [stdout]   --> src/trace/camera.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let line_nums = lines_numbers.clone();
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/trace/camera.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let tx = tx.clone();
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sampling_strategy`
[INFO] [stdout]   --> src/trace/camera.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let sampling_strategy = sampling_strategy.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampling_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/cfg.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (join_handles, rx) = self.spawn_threads(self.num_threads);
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_i`
[INFO] [stdout]   --> src/trace/cfg.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map(|thread_i| {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incident_direction`
[INFO] [stdout]   --> src/trace/material.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         incident_direction: Vec3,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incident_direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `option_ordering_min_none` is never used
[INFO] [stdout]   --> src/internal/option.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn option_ordering_min_none<T>(x: &Option<T>, y: &Option<T>) -> Ordering
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `forward` is never read
[INFO] [stdout]   --> src/trace/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Camera<const W: usize, const H: usize> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     forward: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `trace_sample` and `spawn_threads` are never used
[INFO] [stdout]   --> src/trace/camera.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<const W: usize, const H: usize> Camera<W, H> {
[INFO] [stdout]    | ------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn trace_sample(&self, rng: &mut Box<dyn RngCore>, world: &World, x: f64, y: f64) -> Colour {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn spawn_threads<S: SamplingStrategy + Clone + 'static>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `normal` is never read
[INFO] [stdout]   --> src/trace/world.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HitRecord {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub(self) normal: Vec3,
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bs_trace::image::prelude::Colour`
[INFO] [stdout]  --> src/bin/bs_trace.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs_trace::image::prelude::Colour;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Lambertian` and `Metal`
[INFO] [stdout]  --> src/bin/bs_trace.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs_trace::trace::material::{Lambertian, Metal};
[INFO] [stdout]   |                                 ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sphere` and `World`
[INFO] [stdout]  --> src/bin/bs_trace.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bs_trace::trace::world::{Sphere, World};
[INFO] [stdout]   |                              ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/bs_trace.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/bin/bs_trace.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/bs_trace.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut camera: Camera<WIDTH, HEIGHT> = unsafe {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_main` is never used
[INFO] [stdout]   --> src/bin/bs_trace.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn test_main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.31s
[INFO] running `Command { std: "docker" "inspect" "6ed8847190a152153c142f76a51509b31ae669f38f4560f11b54e06f5c9d2636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed8847190a152153c142f76a51509b31ae669f38f4560f11b54e06f5c9d2636", kill_on_drop: false }`
[INFO] [stdout] 6ed8847190a152153c142f76a51509b31ae669f38f4560f11b54e06f5c9d2636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4320ed1910e0e1be1d59967a1338a079a3580e06b6879f2435b6ba74bc672d
[INFO] running `Command { std: "docker" "start" "-a" "ca4320ed1910e0e1be1d59967a1338a079a3580e06b6879f2435b6ba74bc672d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `MulAssign`
[INFO] [stdout]  --> src/linalg/matrix.rs:6:70
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Sub, SubAssign};
[INFO] [stdout]   |                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/trace/description.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml::{Table, Value};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/trace/camera.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let (tx, rx) = mpsc::channel::<Vec<Colour>>();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/camera.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let join_handles = (0..num_threads).map(|_| {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_nums`
[INFO] [stdout]   --> src/trace/camera.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let line_nums = lines_numbers.clone();
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/trace/camera.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let tx = tx.clone();
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sampling_strategy`
[INFO] [stdout]   --> src/trace/camera.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let sampling_strategy = sampling_strategy.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampling_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/cfg.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (join_handles, rx) = self.spawn_threads(self.num_threads);
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_i`
[INFO] [stdout]   --> src/trace/cfg.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map(|thread_i| {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incident_direction`
[INFO] [stdout]   --> src/trace/material.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         incident_direction: Vec3,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incident_direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `option_ordering_min_none` is never used
[INFO] [stdout]   --> src/internal/option.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn option_ordering_min_none<T>(x: &Option<T>, y: &Option<T>) -> Ordering
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `forward` is never read
[INFO] [stdout]   --> src/trace/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Camera<const W: usize, const H: usize> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     forward: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `trace_sample` and `spawn_threads` are never used
[INFO] [stdout]   --> src/trace/camera.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<const W: usize, const H: usize> Camera<W, H> {
[INFO] [stdout]    | ------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn trace_sample(&self, rng: &mut Box<dyn RngCore>, world: &World, x: f64, y: f64) -> Colour {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn spawn_threads<S: SamplingStrategy + Clone + 'static>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `normal` is never read
[INFO] [stdout]   --> src/trace/world.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HitRecord {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub(self) normal: Vec3,
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bs-trace v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MulAssign`
[INFO] [stdout]  --> src/linalg/matrix.rs:6:70
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Sub, SubAssign};
[INFO] [stdout]   |                                                                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/trace/description.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use toml::{Table, Value};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bs_trace::image::prelude::Colour`
[INFO] [stdout]  --> src/bin/bs_trace.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bs_trace::image::prelude::Colour;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Lambertian` and `Metal`
[INFO] [stdout]  --> src/bin/bs_trace.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bs_trace::trace::material::{Lambertian, Metal};
[INFO] [stdout]   |                                 ^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sphere` and `World`
[INFO] [stdout]  --> src/bin/bs_trace.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bs_trace::trace::world::{Sphere, World};
[INFO] [stdout]   |                              ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/bs_trace.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/bin/bs_trace.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let rng = rand::thread_rng();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/bs_trace.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut camera: Camera<WIDTH, HEIGHT> = unsafe {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_main` is never used
[INFO] [stdout]   --> src/bin/bs_trace.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn test_main() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/trace/camera.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let (tx, rx) = mpsc::channel::<Vec<Colour>>();
[INFO] [stdout]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/camera.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let join_handles = (0..num_threads).map(|_| {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_nums`
[INFO] [stdout]   --> src/trace/camera.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let line_nums = lines_numbers.clone();
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_nums`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/trace/camera.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let tx = tx.clone();
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sampling_strategy`
[INFO] [stdout]   --> src/trace/camera.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let sampling_strategy = sampling_strategy.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampling_strategy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join_handles`
[INFO] [stdout]   --> src/trace/cfg.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (join_handles, rx) = self.spawn_threads(self.num_threads);
[INFO] [stdout]    |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_i`
[INFO] [stdout]   --> src/trace/cfg.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map(|thread_i| {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incident_direction`
[INFO] [stdout]   --> src/trace/material.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         incident_direction: Vec3,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incident_direction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/trace/sampling.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         rng: &mut Box<dyn RngCore>,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `option_ordering_min_none` is never used
[INFO] [stdout]   --> src/internal/option.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn option_ordering_min_none<T>(x: &Option<T>, y: &Option<T>) -> Ordering
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `forward` is never read
[INFO] [stdout]   --> src/trace/camera.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Camera<const W: usize, const H: usize> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     forward: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `trace_sample` and `spawn_threads` are never used
[INFO] [stdout]   --> src/trace/camera.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<const W: usize, const H: usize> Camera<W, H> {
[INFO] [stdout]    | ------------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn trace_sample(&self, rng: &mut Box<dyn RngCore>, world: &World, x: f64, y: f64) -> Colour {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn spawn_threads<S: SamplingStrategy + Clone + 'static>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `normal` is never read
[INFO] [stdout]   --> src/trace/world.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HitRecord {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub(self) normal: Vec3,
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "ca4320ed1910e0e1be1d59967a1338a079a3580e06b6879f2435b6ba74bc672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4320ed1910e0e1be1d59967a1338a079a3580e06b6879f2435b6ba74bc672d", kill_on_drop: false }`
[INFO] [stdout] ca4320ed1910e0e1be1d59967a1338a079a3580e06b6879f2435b6ba74bc672d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efaddc0354f89fdce3dee8552914ebcb949c057a8bace25452d5c9be5f407ed9
[INFO] running `Command { std: "docker" "start" "-a" "efaddc0354f89fdce3dee8552914ebcb949c057a8bace25452d5c9be5f407ed9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `MulAssign`
[INFO] [stderr]  --> src/linalg/matrix.rs:6:70
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops::{Add, AddAssign, Div, DivAssign, Index, IndexMut, Mul, MulAssign, Sub, SubAssign};
[INFO] [stderr]   |                                                                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/trace/description.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | use toml::{Table, Value};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]   --> src/trace/camera.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let (tx, rx) = mpsc::channel::<Vec<Colour>>();
[INFO] [stderr]    |                  ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `join_handles`
[INFO] [stderr]   --> src/trace/camera.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let join_handles = (0..num_threads).map(|_| {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_nums`
[INFO] [stderr]   --> src/trace/camera.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let line_nums = lines_numbers.clone();
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_nums`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/trace/camera.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let tx = tx.clone();
[INFO] [stderr]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sampling_strategy`
[INFO] [stderr]   --> src/trace/camera.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |             let sampling_strategy = sampling_strategy.clone();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sampling_strategy`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `join_handles`
[INFO] [stderr]   --> src/trace/cfg.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let (join_handles, rx) = self.spawn_threads(self.num_threads);
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_join_handles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread_i`
[INFO] [stderr]   --> src/trace/cfg.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |             .map(|thread_i| {
[INFO] [stderr]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `incident_direction`
[INFO] [stderr]   --> src/trace/material.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         incident_direction: Vec3,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incident_direction`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/trace/sampling.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         rng: &mut Box<dyn RngCore>,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/trace/sampling.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         rng: &mut Box<dyn RngCore>,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: function `option_ordering_min_none` is never used
[INFO] [stderr]   --> src/internal/option.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn option_ordering_min_none<T>(x: &Option<T>, y: &Option<T>) -> Ordering
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `forward` is never read
[INFO] [stderr]   --> src/trace/camera.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Camera<const W: usize, const H: usize> {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 21 |     forward: Vec3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `trace_sample` and `spawn_threads` are never used
[INFO] [stderr]   --> src/trace/camera.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl<const W: usize, const H: usize> Camera<W, H> {
[INFO] [stderr]    | ------------------------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 75 |     fn trace_sample(&self, rng: &mut Box<dyn RngCore>, world: &World, x: f64, y: f64) -> Colour {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn spawn_threads<S: SamplingStrategy + Clone + 'static>(
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `normal` is never read
[INFO] [stderr]   --> src/trace/world.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct HitRecord {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub(self) normal: Vec3,
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bs-trace` (lib) generated 16 warnings (run `cargo fix --lib -p bs-trace` to apply 2 suggestions)
[INFO] [stderr] warning: `bs-trace` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: unused import: `bs_trace::image::prelude::Colour`
[INFO] [stderr]  --> src/bin/bs_trace.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bs_trace::image::prelude::Colour;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Lambertian` and `Metal`
[INFO] [stderr]  --> src/bin/bs_trace.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bs_trace::trace::material::{Lambertian, Metal};
[INFO] [stderr]   |                                 ^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sphere` and `World`
[INFO] [stderr]  --> src/bin/bs_trace.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bs_trace::trace::world::{Sphere, World};
[INFO] [stderr]   |                              ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/bin/bs_trace.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/bin/bs_trace.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let rng = rand::thread_rng();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/bs_trace.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut camera: Camera<WIDTH, HEIGHT> = unsafe {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_main` is never used
[INFO] [stderr]   --> src/bin/bs_trace.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn test_main() -> std::io::Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bs-trace` (bin "bs-trace" test) generated 7 warnings (run `cargo fix --bin "bs-trace" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bs_trace-1be6b19196e09185)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test linalg::matrix::tests::check_transpose ... ok
[INFO] [stdout] test linalg::matrix::tests::check_mul ... ok
[INFO] [stdout] test linalg::vector::tests::check_add ... ok
[INFO] [stdout] test linalg::vector::tests::check_div_assign_componentwise ... ok
[INFO] [stdout] test linalg::matrix::tests::check_add ... ok
[INFO] [stdout] test linalg::vector::tests::check_add_assign ... ok
[INFO] [stdout] test linalg::vector::tests::check_div_assign_scalar ... ok
[INFO] [stdout] test linalg::vector::tests::check_div_componentwise ... ok
[INFO] [stdout] test linalg::vector::tests::check_div_scalar ... ok
[INFO] [stdout] test linalg::vector::tests::check_mul_assign_componentwise ... ok
[INFO] [stdout] test linalg::matrix::tests::check_sub ... ok
[INFO] [stdout] test linalg::vector::tests::check_sub ... ok
[INFO] [stdout] test linalg::vector::tests::check_sub_assign ... ok
[INFO] [stdout] test linalg::vector::tests::check_mul_assign_scalar ... ok
[INFO] [stdout] test linalg::vector::tests::check_mul_componentwise ... ok
[INFO] [stdout] test linalg::vector::tests::check_mul_scalar ... ok
[INFO] [stdout] test linalg::matrix::tests::check_rref ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- linalg::matrix::tests::check_rref stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'linalg::matrix::tests::check_rref' (19) panicked at src/linalg/matrix.rs:551:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Matrix { cols: [Vector { data: [1.0, 0.0, 0.0] }, Vector { data: [0.0, 1.0, 0.0] }, Vector { data: [0.0, 0.0, 1.0] }, Vector { data: [2.0, 3.0, -1.0] }] }
[INFO] [stdout]  right: Matrix { cols: [Vector { data: [1.0, 1.0, 1.0] }, Vector { data: [0.5, 0.3333333333333333, -0.5] }, Vector { data: [-0.5, -0.6666666666666666, -1.0] }, Vector { data: [4.0, 3.6666666666666665, 1.5] }] }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60a62a9df592 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60a62a9df592 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60a62a9df592 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60a62a9df592 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60a62a9efc4f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60a62a9efc4f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x60a62a9acb01 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60a62a9acb01 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60a62a9b8b62 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60a62a9bd6af - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x60a62a9bd541 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x60a62a97ce7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x60a62a97ce7e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60a62a9bdd6f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x60a62a9bdd6f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x60a62a9bdbca - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x60a62a9b8c99 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x60a62a9a0fdd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x60a62a9f7540 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x60a62a9f73e3 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x60a62a9494e9 - core::panicking::assert_failed::h467ecd78d9d220b8
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x60a62a950d04 - bs_trace::linalg::matrix::tests::check_rref::h30064f01ca333baf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix.rs:551:9
[INFO] [stdout]   22:     0x60a62a950d27 - bs_trace::linalg::matrix::tests::check_rref::{{closure}}::h7ba099e83a902474
[INFO] [stdout]                                at /opt/rustwide/workdir/src/linalg/matrix.rs:537:20
[INFO] [stdout]   23:     0x60a62a946856 - core::ops::function::FnOnce::call_once::ha31928a2e04b0edd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60a62a97cc3b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60a62a97cc3b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x60a62a9928a5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x60a62a9928a5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x60a62a9928a5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x60a62a9928a5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x60a62a9928a5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60a62a9928a5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x60a62a9928a5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60a62a969094 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60a62a969094 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x60a62a96c95a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x60a62a96c95a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60a62a96c95a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x60a62a96c95a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x60a62a96c95a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60a62a96c95a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x60a62a96c95a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60a62a9b3dff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x60a62a9b3dff - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x73f5a7216aa4 - <unknown>
[INFO] [stdout]   45:     0x73f5a72a3a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     linalg::matrix::tests::check_rref
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 16 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "efaddc0354f89fdce3dee8552914ebcb949c057a8bace25452d5c9be5f407ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efaddc0354f89fdce3dee8552914ebcb949c057a8bace25452d5c9be5f407ed9", kill_on_drop: false }`
[INFO] [stdout] efaddc0354f89fdce3dee8552914ebcb949c057a8bace25452d5c9be5f407ed9
