[INFO] updating cached repository perliedman/raytracing-in-one-weekend
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/perliedman/raytracing-in-one-weekend
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/perliedman/raytracing-in-one-weekend" "work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/perliedman/raytracing-in-one-weekend" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perliedman/raytracing-in-one-weekend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perliedman/raytracing-in-one-weekend'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa641d43e1540b05d2cfb500f8c4a0a64ec9f9f9
[INFO] sha for GitHub repo perliedman/raytracing-in-one-weekend: aa641d43e1540b05d2cfb500f8c4a0a64ec9f9f9
[INFO] validating manifest of perliedman/raytracing-in-one-weekend on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of perliedman/raytracing-in-one-weekend on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing perliedman/raytracing-in-one-weekend
[INFO] finished frobbing perliedman/raytracing-in-one-weekend
[INFO] frobbed toml for perliedman/raytracing-in-one-weekend written to work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend/Cargo.toml
[INFO] started frobbing perliedman/raytracing-in-one-weekend
[INFO] finished frobbing perliedman/raytracing-in-one-weekend
[INFO] frobbed toml for perliedman/raytracing-in-one-weekend written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/perliedman/raytracing-in-one-weekend/Cargo.toml
[INFO] crate perliedman/raytracing-in-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing perliedman/raytracing-in-one-weekend against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 507b2262dfb60a3b41803c1823417ef354acf8fe60edef86006ce5659de2f8b5
[INFO] running `"docker" "start" "-a" "507b2262dfb60a3b41803c1823417ef354acf8fe60edef86006ce5659de2f8b5"`
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling tobj v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling console v0.6.1
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling rt-in-1-week v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/geometry/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unit_vector`
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use vec3::{Vec3, unit_vector};
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use ray::Ray;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]    --> src/material.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |   fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<Scatter> {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_r_in`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity`
[INFO] [stderr]  --> src/mat44.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn identity() -> Mat44 {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate`
[INFO] [stderr]   --> src/mat44.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn translate(displacement: Vec3) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]   --> src/mat44.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn rotate(angle: f32, axis: Vec3) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/mat44.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |   pub fn inverse(&self) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `XyRect`
[INFO] [stderr]    --> src/geometry/mod.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub struct XyRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `XzRect`
[INFO] [stderr]    --> src/geometry/mod.rs:172:1
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub struct XzRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `YzRect`
[INFO] [stderr]    --> src/geometry/mod.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub struct YzRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlipNormals`
[INFO] [stderr]    --> src/geometry/mod.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | pub struct FlipNormals {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_box`
[INFO] [stderr]    --> src/geometry/mod.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transform`
[INFO] [stderr]    --> src/geometry/mod.rs:283:1
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub struct Transform {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:290:3
[INFO] [stderr]     |
[INFO] [stderr] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ConstantMedium`
[INFO] [stderr]    --> src/geometry/mod.rs:349:1
[INFO] [stderr]     |
[INFO] [stderr] 349 | pub struct ConstantMedium {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:356:3
[INFO] [stderr]     |
[INFO] [stderr] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DiffuseLight`
[INFO] [stderr]    --> src/material.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct DiffuseLight {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Isotropic`
[INFO] [stderr]    --> src/material.rs:149:1
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub struct Isotropic {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Void`
[INFO] [stderr]   --> src/scene.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Void { }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_cornell`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn render_cornell(nx: usize, ny: usize, ns: usize, max_ray_depth: i32) -> Vec<u8> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.46s
[INFO] running `"docker" "inspect" "507b2262dfb60a3b41803c1823417ef354acf8fe60edef86006ce5659de2f8b5"`
[INFO] running `"docker" "rm" "-f" "507b2262dfb60a3b41803c1823417ef354acf8fe60edef86006ce5659de2f8b5"`
[INFO] [stdout] 507b2262dfb60a3b41803c1823417ef354acf8fe60edef86006ce5659de2f8b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 67b5c5fc1747ce16d5ea16abbd580b5f6166afe61eb73d3d80c9e38a57e2e3f1
[INFO] running `"docker" "start" "-a" "67b5c5fc1747ce16d5ea16abbd580b5f6166afe61eb73d3d80c9e38a57e2e3f1"`
[INFO] [stderr]    Compiling rt-in-1-week v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/geometry/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unit_vector`
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 | use vec3::{Vec3, unit_vector};
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use ray::Ray;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r_in`
[INFO] [stderr]    --> src/material.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |   fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<Scatter> {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_r_in`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity`
[INFO] [stderr]  --> src/mat44.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn identity() -> Mat44 {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `translate`
[INFO] [stderr]   --> src/mat44.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn translate(displacement: Vec3) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]   --> src/mat44.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   pub fn rotate(angle: f32, axis: Vec3) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/mat44.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |   pub fn inverse(&self) -> Mat44 {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `XyRect`
[INFO] [stderr]    --> src/geometry/mod.rs:132:1
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub struct XyRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `XzRect`
[INFO] [stderr]    --> src/geometry/mod.rs:172:1
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub struct XzRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `YzRect`
[INFO] [stderr]    --> src/geometry/mod.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub struct YzRect {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlipNormals`
[INFO] [stderr]    --> src/geometry/mod.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | pub struct FlipNormals {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_box`
[INFO] [stderr]    --> src/geometry/mod.rs:272:1
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub fn new_box(p0: Vec3, p1: Vec3, material: Arc<Material>) -> Vec<Box<Hitable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Transform`
[INFO] [stderr]    --> src/geometry/mod.rs:283:1
[INFO] [stderr]     |
[INFO] [stderr] 283 | pub struct Transform {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:290:3
[INFO] [stderr]     |
[INFO] [stderr] 290 |   pub fn new(hitable: Box<Hitable>, transform: Mat44) -> Transform {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ConstantMedium`
[INFO] [stderr]    --> src/geometry/mod.rs:349:1
[INFO] [stderr]     |
[INFO] [stderr] 349 | pub struct ConstantMedium {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/geometry/mod.rs:356:3
[INFO] [stderr]     |
[INFO] [stderr] 356 |   pub fn new(boundary: Box<Hitable>, density: f32, a: Box<Texture>) -> ConstantMedium {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DiffuseLight`
[INFO] [stderr]    --> src/material.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct DiffuseLight {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Isotropic`
[INFO] [stderr]    --> src/material.rs:149:1
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub struct Isotropic {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Void`
[INFO] [stderr]   --> src/scene.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Void { }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_cornell`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn render_cornell(nx: usize, ny: usize, ns: usize, max_ray_depth: i32) -> Vec<u8> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | fn cornell_box() -> Vec<Box<Hitable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "67b5c5fc1747ce16d5ea16abbd580b5f6166afe61eb73d3d80c9e38a57e2e3f1"`
[INFO] running `"docker" "rm" "-f" "67b5c5fc1747ce16d5ea16abbd580b5f6166afe61eb73d3d80c9e38a57e2e3f1"`
[INFO] [stdout] 67b5c5fc1747ce16d5ea16abbd580b5f6166afe61eb73d3d80c9e38a57e2e3f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/perliedman/raytracing-in-one-weekend:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] aa6de45545ff7a244cf8ea9c1a6c4ac6741df8b1784be1d71aab20928ec780ad
[INFO] running `"docker" "start" "-a" "aa6de45545ff7a244cf8ea9c1a6c4ac6741df8b1784be1d71aab20928ec780ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rt_in_1_week-c7272a99a4ba7f26
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test vec3::tests::cross_product1 ... ok
[INFO] [stdout] test vec3::tests::cross_product2 ... ok
[INFO] [stdout] test mat44::tests::matrix_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "aa6de45545ff7a244cf8ea9c1a6c4ac6741df8b1784be1d71aab20928ec780ad"`
[INFO] running `"docker" "rm" "-f" "aa6de45545ff7a244cf8ea9c1a6c4ac6741df8b1784be1d71aab20928ec780ad"`
[INFO] [stdout] aa6de45545ff7a244cf8ea9c1a6c4ac6741df8b1784be1d71aab20928ec780ad