[INFO] updating cached repository https://github.com/rumbogs/rust-raytracer-one-weekend
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a74a5c808484d3c869868ad1eec5ca94fa7a07f
[INFO] testing rumbogs/rust-raytracer-one-weekend against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frumbogs%2Frust-raytracer-one-weekend" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rumbogs/rust-raytracer-one-weekend on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rumbogs/rust-raytracer-one-weekend
[INFO] finished tweaking git repo https://github.com/rumbogs/rust-raytracer-one-weekend
[INFO] tweaked toml for git repo https://github.com/rumbogs/rust-raytracer-one-weekend written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rumbogs/rust-raytracer-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bb55f513e7314ad37f0e7db33fd29d5f1c7f68642796902d88177a4b18ff1afc
[INFO] running `"docker" "start" "-a" "bb55f513e7314ad37f0e7db33fd29d5f1c7f68642796902d88177a4b18ff1afc"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.0
[INFO] [stderr]    Compiling raytracing-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modifiers/flip_normals.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     object: Box<Hittable>
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/flip_normals.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(object: Box<Hittable>) -> Self {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/rotate.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub object: Box<Hittable>,
[INFO] [stderr]    |                     ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/rotate.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(object: Box<Hittable>, angle: f32) -> Self {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modifiers/translate.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub object: Box<Hittable>,
[INFO] [stderr]   |                     ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Leaf(Box<Hittable>),
[INFO] [stderr]    |              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn box_x_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn box_x_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn box_y_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:37:45
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn box_y_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn box_z_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn box_z_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn new(mut list: Vec<Box<Hittable>>, t0: f32, t1: f32) -> Self {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:98:39
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut vec1: Vec<Box<Hittable>> = Vec::with_capacity(list_length / 2 + 1);
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:99:39
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let mut vec2: Vec<Box<Hittable>> = Vec::with_capacity(list_length / 2);
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/constant_medium.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     boundary: Box<Hittable>,
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/constant_medium.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(boundary: Box<Hittable>, density: f32, texture: Texture) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/cube.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut list: Vec<Box<Hittable>> = Vec::with_capacity(6);
[INFO] [stderr]    |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/objects/object_list.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub list: Vec<Box<Hittable>>,
[INFO] [stderr]   |                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/object_list.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(list: Vec<Box<Hittable>>) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unit_vector`
[INFO] [stderr]   --> src/main.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 | use vector3::{unit_vector, Vector3};
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn random_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn cornell_box() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:104:34
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:199:31
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn cornell_smoke() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:201:34
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:310:31
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn random_scene2() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:312:34
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:369:29
[INFO] [stderr]     |
[INFO] [stderr] 369 | fn final_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:370:27
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let mut list: Vec<Box<Hittable>> = Vec::with_capacity(30);
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |     let mut boxlist: Vec<Box<Hittable>> = Vec::with_capacity(10000);
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:372:31
[INFO] [stderr]     |
[INFO] [stderr] 372 |     let mut boxlist2: Vec<Box<Hittable>> = Vec::with_capacity(10000);
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_material`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let light_material = Material::DiffuseLight {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_light_material`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nx`
[INFO] [stderr]   --> src/main.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let (nx, ny) = img.dimensions();
[INFO] [stderr]    |          ^^ help: consider prefixing with an underscore: `_nx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ny`
[INFO] [stderr]   --> src/main.rs:74:14
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let (nx, ny) = img.dimensions();
[INFO] [stderr]    |              ^^ help: consider prefixing with an underscore: `_ny`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera`
[INFO] [stderr]    --> src/main.rs:570:9
[INFO] [stderr]     |
[INFO] [stderr] 570 |     let camera: &Camera = &Camera::new(
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_camera`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cornell_camera`
[INFO] [stderr]    --> src/main.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |     let cornell_camera: &Camera = &Camera::new(
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_cornell_camera`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/material.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 let target: Vector3 = rec.p + rec.normal + random_in_unit_sphere();
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/modifiers/rotate.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/modifiers/rotate.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/objects/bvh_tree.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/objects/bvh_tree.rs:160:37
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/cube.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/cube.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/moving_sphere.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/moving_sphere.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/plane.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/plane.rs:51:37
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/plane.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/plane.rs:78:37
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/objects/plane.rs:106:28
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/objects/plane.rs:106:37
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/sphere.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/sphere.rs:50:37
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |     let mut scene = final_scene();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     w: Vector3,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CheckerTexture`
[INFO] [stderr]   --> src/texture.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     CheckerTexture {
[INFO] [stderr] 11 | |         even: Box<Texture>,
[INFO] [stderr] 12 | |         odd: Box<Texture>,
[INFO] [stderr] 13 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `make_unit_vector`
[INFO] [stderr]   --> src/vector3.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn make_unit_vector(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn random_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn cornell_box() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_smoke`
[INFO] [stderr]    --> src/main.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn cornell_smoke() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene2`
[INFO] [stderr]    --> src/main.rs:310:1
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn random_scene2() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.17s
[INFO] running `"docker" "inspect" "bb55f513e7314ad37f0e7db33fd29d5f1c7f68642796902d88177a4b18ff1afc"`
[INFO] running `"docker" "rm" "-f" "bb55f513e7314ad37f0e7db33fd29d5f1c7f68642796902d88177a4b18ff1afc"`
[INFO] [stdout] bb55f513e7314ad37f0e7db33fd29d5f1c7f68642796902d88177a4b18ff1afc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55fa4c29edd20a2b64a3a0a2e0ef9b6910c513655e06b09f74cfc93af474fe92
[INFO] running `"docker" "start" "-a" "55fa4c29edd20a2b64a3a0a2e0ef9b6910c513655e06b09f74cfc93af474fe92"`
[INFO] [stderr]    Compiling raytracing-one-weekend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modifiers/flip_normals.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     object: Box<Hittable>
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/flip_normals.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(object: Box<Hittable>) -> Self {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/rotate.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub object: Box<Hittable>,
[INFO] [stderr]    |                     ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/modifiers/rotate.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(object: Box<Hittable>, angle: f32) -> Self {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/modifiers/translate.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub object: Box<Hittable>,
[INFO] [stderr]   |                     ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Leaf(Box<Hittable>),
[INFO] [stderr]    |              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn box_x_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn box_x_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn box_y_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:37:45
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn box_y_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn box_z_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                          ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn box_z_compare(a: &Box<Hittable>, b: &Box<Hittable>) -> Ordering {
[INFO] [stderr]    |                                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:74:34
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn new(mut list: Vec<Box<Hittable>>, t0: f32, t1: f32) -> Self {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:98:39
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut vec1: Vec<Box<Hittable>> = Vec::with_capacity(list_length / 2 + 1);
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/bvh_tree.rs:99:39
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let mut vec2: Vec<Box<Hittable>> = Vec::with_capacity(list_length / 2);
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/constant_medium.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     boundary: Box<Hittable>,
[INFO] [stderr]    |                   ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/constant_medium.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(boundary: Box<Hittable>, density: f32, texture: Texture) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/cube.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut list: Vec<Box<Hittable>> = Vec::with_capacity(6);
[INFO] [stderr]    |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/objects/object_list.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub list: Vec<Box<Hittable>>,
[INFO] [stderr]   |                       ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/objects/object_list.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(list: Vec<Box<Hittable>>) -> Self {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unit_vector`
[INFO] [stderr]   --> src/main.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 | use vector3::{unit_vector, Vector3};
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn random_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn cornell_box() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:104:34
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:199:31
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn cornell_smoke() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:201:34
[INFO] [stderr]     |
[INFO] [stderr] 201 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:310:31
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn random_scene2() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:312:34
[INFO] [stderr]     |
[INFO] [stderr] 312 |     let mut object_list: Vec<Box<Hittable>> = Vec::with_capacity(n + 1);
[INFO] [stderr]     |                                  ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:369:29
[INFO] [stderr]     |
[INFO] [stderr] 369 | fn final_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:370:27
[INFO] [stderr]     |
[INFO] [stderr] 370 |     let mut list: Vec<Box<Hittable>> = Vec::with_capacity(30);
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |     let mut boxlist: Vec<Box<Hittable>> = Vec::with_capacity(10000);
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:372:31
[INFO] [stderr]     |
[INFO] [stderr] 372 |     let mut boxlist2: Vec<Box<Hittable>> = Vec::with_capacity(10000);
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Hittable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `light_material`
[INFO] [stderr]   --> src/main.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let light_material = Material::DiffuseLight {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_light_material`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nx`
[INFO] [stderr]   --> src/main.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let (nx, ny) = img.dimensions();
[INFO] [stderr]    |          ^^ help: consider prefixing with an underscore: `_nx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ny`
[INFO] [stderr]   --> src/main.rs:74:14
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let (nx, ny) = img.dimensions();
[INFO] [stderr]    |              ^^ help: consider prefixing with an underscore: `_ny`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera`
[INFO] [stderr]    --> src/main.rs:570:9
[INFO] [stderr]     |
[INFO] [stderr] 570 |     let camera: &Camera = &Camera::new(
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_camera`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cornell_camera`
[INFO] [stderr]    --> src/main.rs:581:9
[INFO] [stderr]     |
[INFO] [stderr] 581 |     let cornell_camera: &Camera = &Camera::new(
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_cornell_camera`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/material.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 let target: Vector3 = rec.p + rec.normal + random_in_unit_sphere();
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/modifiers/rotate.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/modifiers/rotate.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/objects/bvh_tree.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/objects/bvh_tree.rs:160:37
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/cube.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/cube.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/moving_sphere.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/moving_sphere.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/plane.rs:51:28
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/plane.rs:51:37
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/plane.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/plane.rs:78:37
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]    --> src/objects/plane.rs:106:28
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]    --> src/objects/plane.rs:106:37
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]     |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t0`
[INFO] [stderr]   --> src/objects/sphere.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                            ^^ help: consider prefixing with an underscore: `_t0`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t1`
[INFO] [stderr]   --> src/objects/sphere.rs:50:37
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn bounding_box(&self, t0: f32, t1: f32) -> Option<Aabb> {
[INFO] [stderr]    |                                     ^^ help: consider prefixing with an underscore: `_t1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |     let mut scene = final_scene();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `w`
[INFO] [stderr]   --> src/camera.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     w: Vector3,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CheckerTexture`
[INFO] [stderr]   --> src/texture.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     CheckerTexture {
[INFO] [stderr] 11 | |         even: Box<Texture>,
[INFO] [stderr] 12 | |         odd: Box<Texture>,
[INFO] [stderr] 13 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `make_unit_vector`
[INFO] [stderr]   --> src/vector3.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   fn make_unit_vector(&mut self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn random_scene() -> Vec<Box<Hittable>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_box`
[INFO] [stderr]    --> src/main.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn cornell_box() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cornell_smoke`
[INFO] [stderr]    --> src/main.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn cornell_smoke() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_scene2`
[INFO] [stderr]    --> src/main.rs:310:1
[INFO] [stderr]     |
[INFO] [stderr] 310 | fn random_scene2() -> Vec<Box<Hittable>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `"docker" "inspect" "55fa4c29edd20a2b64a3a0a2e0ef9b6910c513655e06b09f74cfc93af474fe92"`
[INFO] running `"docker" "rm" "-f" "55fa4c29edd20a2b64a3a0a2e0ef9b6910c513655e06b09f74cfc93af474fe92"`
[INFO] [stdout] 55fa4c29edd20a2b64a3a0a2e0ef9b6910c513655e06b09f74cfc93af474fe92
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 74edc86e66240d502103bd80430c8936d1d080a3098768712c7f44a5f10df262
[INFO] running `"docker" "start" "-a" "74edc86e66240d502103bd80430c8936d1d080a3098768712c7f44a5f10df262"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raytracing_one_weekend-d7f8527445ed1d1a
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74edc86e66240d502103bd80430c8936d1d080a3098768712c7f44a5f10df262"`
[INFO] running `"docker" "rm" "-f" "74edc86e66240d502103bd80430c8936d1d080a3098768712c7f44a5f10df262"`
[INFO] [stdout] 74edc86e66240d502103bd80430c8936d1d080a3098768712c7f44a5f10df262