[INFO] fetching crate bs-trace 0.3.0...
[INFO] checking bs-trace-0.3.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate bs-trace 0.3.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bs-trace 0.3.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d64325710ce263eecaea5ef50e671d9a91b7a921cd9cdb87b750761f1fe8aebf
[INFO] running `Command { std: "docker" "start" "-a" "d64325710ce263eecaea5ef50e671d9a91b7a921cd9cdb87b750761f1fe8aebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64325710ce263eecaea5ef50e671d9a91b7a921cd9cdb87b750761f1fe8aebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64325710ce263eecaea5ef50e671d9a91b7a921cd9cdb87b750761f1fe8aebf", kill_on_drop: false }`
[INFO] [stdout] d64325710ce263eecaea5ef50e671d9a91b7a921cd9cdb87b750761f1fe8aebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20c03d3bce98fea2a01326244d19882e649e560869f42b3b2880058c308b49d
[INFO] running `Command { std: "docker" "start" "-a" "a20c03d3bce98fea2a01326244d19882e649e560869f42b3b2880058c308b49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking winnow v0.6.24
[INFO] [stderr]     Checking miniz_oxide v0.8.3
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking const-default v1.0.0
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking 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)]` 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: `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)]` 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)]` 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: `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)]` 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: `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: 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: 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)]` 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 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)]` 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)]` 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)]` 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)]` 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)]` on by default
[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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.82s
[INFO] running `Command { std: "docker" "inspect" "a20c03d3bce98fea2a01326244d19882e649e560869f42b3b2880058c308b49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20c03d3bce98fea2a01326244d19882e649e560869f42b3b2880058c308b49d", kill_on_drop: false }`
[INFO] [stdout] a20c03d3bce98fea2a01326244d19882e649e560869f42b3b2880058c308b49d
