[INFO] cloning repository https://github.com/abbyeg/tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abbyeg/tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbyeg%2Ftracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbyeg%2Ftracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 272dbd365f2944d941d52205812b9aac0a066db7
[INFO] testing abbyeg/tracer against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbyeg%2Ftracer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abbyeg/tracer
[INFO] finished tweaking git repo https://github.com/abbyeg/tracer
[INFO] tweaked toml for git repo https://github.com/abbyeg/tracer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abbyeg/tracer on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abbyeg/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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded console v0.15.11
[INFO] [stderr]   Downloaded indicatif v0.17.11
[INFO] [stderr]   Downloaded glam v0.29.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12eb786ea6ca62a4eab4f2597f0c3b656d00a545e87354cbc9811aa4b3d7501a
[INFO] running `Command { std: "docker" "start" "-a" "12eb786ea6ca62a4eab4f2597f0c3b656d00a545e87354cbc9811aa4b3d7501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12eb786ea6ca62a4eab4f2597f0c3b656d00a545e87354cbc9811aa4b3d7501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12eb786ea6ca62a4eab4f2597f0c3b656d00a545e87354cbc9811aa4b3d7501a", kill_on_drop: false }`
[INFO] [stdout] 12eb786ea6ca62a4eab4f2597f0c3b656d00a545e87354cbc9811aa4b3d7501a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3432db44236fd2783f3ec06454c795dbe3a74b1ed08b296b71a568ae1ba65e28
[INFO] running `Command { std: "docker" "start" "-a" "3432db44236fd2783f3ec06454c795dbe3a74b1ed08b296b71a568ae1ba65e28", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling glam v0.29.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling aurora v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ParallelProgressIterator`
[INFO] [stdout]  --> src/camera.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use indicatif::{ParallelProgressIterator, ProgressBar, ProgressStyle};
[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: `Rng`, `SeedableRng`, `rngs::SmallRng`, and `thread_rng`
[INFO] [stdout]  --> src/camera.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{rngs::SmallRng, thread_rng, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultHasher`, `Hash`, `Hasher`, `SystemTime`, `UNIX_EPOCH`, `cell::RefCell`, `ptr`, and `thread`
[INFO] [stdout]   --> src/camera.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     cell::RefCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  9 |     hash::{DefaultHasher, Hash, Hasher},
[INFO] [stdout]    |            ^^^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 10 |     io::{self, BufWriter, Write},
[INFO] [stdout] 11 |     ptr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     sync::Arc,
[INFO] [stdout] 13 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     time::{SystemTime, UNIX_EPOCH},
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/camera.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut file = File::create(file_path)?;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.26s
[INFO] running `Command { std: "docker" "inspect" "3432db44236fd2783f3ec06454c795dbe3a74b1ed08b296b71a568ae1ba65e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3432db44236fd2783f3ec06454c795dbe3a74b1ed08b296b71a568ae1ba65e28", kill_on_drop: false }`
[INFO] [stdout] 3432db44236fd2783f3ec06454c795dbe3a74b1ed08b296b71a568ae1ba65e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0469fd5c40db80aa643aa85f26809570ef0f747b7dda5754e72f7985a1d1fb0
[INFO] running `Command { std: "docker" "start" "-a" "c0469fd5c40db80aa643aa85f26809570ef0f747b7dda5754e72f7985a1d1fb0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ParallelProgressIterator`
[INFO] [stdout]  --> src/camera.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use indicatif::{ParallelProgressIterator, ProgressBar, ProgressStyle};
[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: `Rng`, `SeedableRng`, `rngs::SmallRng`, and `thread_rng`
[INFO] [stdout]  --> src/camera.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{rngs::SmallRng, thread_rng, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aurora v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DefaultHasher`, `Hash`, `Hasher`, `SystemTime`, `UNIX_EPOCH`, `cell::RefCell`, `ptr`, and `thread`
[INFO] [stdout]   --> src/camera.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     cell::RefCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  9 |     hash::{DefaultHasher, Hash, Hasher},
[INFO] [stdout]    |            ^^^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 10 |     io::{self, BufWriter, Write},
[INFO] [stdout] 11 |     ptr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     sync::Arc,
[INFO] [stdout] 13 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     time::{SystemTime, UNIX_EPOCH},
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/camera.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut file = File::create(file_path)?;
[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: unused import: `ParallelProgressIterator`
[INFO] [stdout]  --> src/camera.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use indicatif::{ParallelProgressIterator, ProgressBar, ProgressStyle};
[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: `Rng`, `SeedableRng`, `rngs::SmallRng`, and `thread_rng`
[INFO] [stdout]  --> src/camera.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{rngs::SmallRng, thread_rng, Rng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultHasher`, `Hash`, `Hasher`, `SystemTime`, `UNIX_EPOCH`, `cell::RefCell`, `ptr`, and `thread`
[INFO] [stdout]   --> src/camera.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 |     cell::RefCell,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  9 |     hash::{DefaultHasher, Hash, Hasher},
[INFO] [stdout]    |            ^^^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stdout] 10 |     io::{self, BufWriter, Write},
[INFO] [stdout] 11 |     ptr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     sync::Arc,
[INFO] [stdout] 13 |     thread,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     time::{SystemTime, UNIX_EPOCH},
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/camera.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut file = File::create(file_path)?;
[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: unused variable: `lambertian`
[INFO] [stdout]    --> src/material.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let lambertian = Material::Lambertian {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambertian`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c0469fd5c40db80aa643aa85f26809570ef0f747b7dda5754e72f7985a1d1fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0469fd5c40db80aa643aa85f26809570ef0f747b7dda5754e72f7985a1d1fb0", kill_on_drop: false }`
[INFO] [stdout] c0469fd5c40db80aa643aa85f26809570ef0f747b7dda5754e72f7985a1d1fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97a66f4fa99328fb5d16290a779d64b571d8ca4631ba602af131c03d33fdab1b
[INFO] running `Command { std: "docker" "start" "-a" "97a66f4fa99328fb5d16290a779d64b571d8ca4631ba602af131c03d33fdab1b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ParallelProgressIterator`
[INFO] [stderr]  --> src/camera.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use indicatif::{ParallelProgressIterator, ProgressBar, ProgressStyle};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `SeedableRng`, `rngs::SmallRng`, and `thread_rng`
[INFO] [stderr]  --> src/camera.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{rngs::SmallRng, thread_rng, Rng, SeedableRng};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DefaultHasher`, `Hash`, `Hasher`, `SystemTime`, `UNIX_EPOCH`, `cell::RefCell`, `ptr`, and `thread`
[INFO] [stderr]   --> src/camera.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr]  6 |     cell::RefCell,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  9 |     hash::{DefaultHasher, Hash, Hasher},
[INFO] [stderr]    |            ^^^^^^^^^^^^^  ^^^^  ^^^^^^
[INFO] [stderr] 10 |     io::{self, BufWriter, Write},
[INFO] [stderr] 11 |     ptr,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 12 |     sync::Arc,
[INFO] [stderr] 13 |     thread,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 14 |     time::{SystemTime, UNIX_EPOCH},
[INFO] [stderr]    |            ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/camera.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let mut file = File::create(file_path)?;
[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: `aurora` (lib) generated 4 warnings (run `cargo fix --lib -p aurora` to apply 4 suggestions)
[INFO] [stderr] warning: unused variable: `lambertian`
[INFO] [stderr]    --> src/material.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let lambertian = Material::Lambertian {
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lambertian`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aurora` (lib test) generated 5 warnings (4 duplicates) (run `cargo fix --lib -p aurora --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aurora-378f8f719c700e9a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test material::tests::test_scatter_lambertian ... ok
[INFO] [stdout] test ray::tests::test_new_ray ... ok
[INFO] [stdout] test material::tests::test_reflectance ... ok
[INFO] [stdout] test material::tests::test_random_unit_vector ... ok
[INFO] [stdout] test ray::tests::test_ray_at ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 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/debug/deps/aurora-fa3e1370b63e5bad)
[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] [stderr]    Doc-tests aurora
[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" "97a66f4fa99328fb5d16290a779d64b571d8ca4631ba602af131c03d33fdab1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a66f4fa99328fb5d16290a779d64b571d8ca4631ba602af131c03d33fdab1b", kill_on_drop: false }`
[INFO] [stdout] 97a66f4fa99328fb5d16290a779d64b571d8ca4631ba602af131c03d33fdab1b
