[INFO] cloning repository https://github.com/Nbeleski/rust_raytracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nbeleski/rust_raytracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNbeleski%2Frust_raytracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNbeleski%2Frust_raytracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9f701ee46e467fcb3c3c3ce34cb56fcd5b26883
[INFO] testing Nbeleski/rust_raytracing against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNbeleski%2Frust_raytracing" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nbeleski/rust_raytracing on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nbeleski/rust_raytracing
[INFO] finished tweaking git repo https://github.com/Nbeleski/rust_raytracing
[INFO] tweaked toml for git repo https://github.com/Nbeleski/rust_raytracing written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Nbeleski/rust_raytracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 132b831fe37def1d380e5f827c5374cd7fba51d587821e73a124f5304cdab9f9
[INFO] running `Command { std: "docker" "start" "-a" "132b831fe37def1d380e5f827c5374cd7fba51d587821e73a124f5304cdab9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132b831fe37def1d380e5f827c5374cd7fba51d587821e73a124f5304cdab9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132b831fe37def1d380e5f827c5374cd7fba51d587821e73a124f5304cdab9f9", kill_on_drop: false }`
[INFO] [stdout] 132b831fe37def1d380e5f827c5374cd7fba51d587821e73a124f5304cdab9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0df68cb6cc0771b3d1321fb4a90258c932d32dcddbd46ae9ab51401782bdca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e0df68cb6cc0771b3d1321fb4a90258c932d32dcddbd46ae9ab51401782bdca", kill_on_drop: false }`
[INFO] [stderr]    Compiling lodepng v2.4.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Scatter`
[INFO] [stdout]  --> src/hitable.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::material::{Scatter, Material};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub material: &'obj Material,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub material: &'obj Material,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub material: Box<Material>
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/camera.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]  --> src/camera.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::f32::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/material.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use hitable::{HitRecord, Hitable, Sphere, random_in_unit_sphere};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     match(world.hit(r, 0.00001, 10000.0)) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stdout]    |                        ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:83
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stdout]    |                                                                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower_left_corner`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let lower_left_corner: Vec3 = Vec3(-2.0, -1.0, -1.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_left_corner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let horizontal: Vec3 = Vec3(4.0, 0.0, 0.0);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertical`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let vertical: Vec3   = Vec3(0.0, 2.0, 0.0);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let origin: Vec3     = Vec3(0.0, 0.0, 0.0);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             for s in 0..ns {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut spheres: Vec<Sphere> = vec![
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "4e0df68cb6cc0771b3d1321fb4a90258c932d32dcddbd46ae9ab51401782bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0df68cb6cc0771b3d1321fb4a90258c932d32dcddbd46ae9ab51401782bdca", kill_on_drop: false }`
[INFO] [stdout] 4e0df68cb6cc0771b3d1321fb4a90258c932d32dcddbd46ae9ab51401782bdca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2546feab147fc2915d536f7dcbd8037edc9185479301d694ebd09da027610961
[INFO] running `Command { std: "docker" "start" "-a" "2546feab147fc2915d536f7dcbd8037edc9185479301d694ebd09da027610961", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Scatter`
[INFO] [stdout]  --> src/hitable.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::material::{Scatter, Material};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub material: &'obj Material,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub material: &'obj Material,
[INFO] [stdout]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub material: Box<Material>
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hitable.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/camera.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]  --> src/camera.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::f32::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/material.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]   --> src/main.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use hitable::{HitRecord, Hitable, Sphere, random_in_unit_sphere};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     match(world.hit(r, 0.00001, 10000.0)) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stdout]    |                        ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:83
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stdout]    |                                                                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower_left_corner`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let lower_left_corner: Vec3 = Vec3(-2.0, -1.0, -1.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_left_corner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `horizontal`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let horizontal: Vec3 = Vec3(4.0, 0.0, 0.0);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vertical`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let vertical: Vec3   = Vec3(0.0, 2.0, 0.0);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `origin`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let origin: Vec3     = Vec3(0.0, 0.0, 0.0);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/main.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             for s in 0..ns {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut spheres: Vec<Sphere> = vec![
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "2546feab147fc2915d536f7dcbd8037edc9185479301d694ebd09da027610961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2546feab147fc2915d536f7dcbd8037edc9185479301d694ebd09da027610961", kill_on_drop: false }`
[INFO] [stdout] 2546feab147fc2915d536f7dcbd8037edc9185479301d694ebd09da027610961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7919ca889b0bc390719ce61365723cdcec3faee9dc9cc79490fb68bc35ea33f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7919ca889b0bc390719ce61365723cdcec3faee9dc9cc79490fb68bc35ea33f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Scatter`
[INFO] [stderr]  --> src/hitable.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::material::{Scatter, Material};
[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/hitable.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub material: &'obj Material,
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/hitable.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub material: &'obj Material,
[INFO] [stderr]    |                         ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub material: Box<Material>
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hitable.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 | impl Hitable for Vec<Box<Hitable>> {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/camera.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32::consts::PI`
[INFO] [stderr]  --> src/camera.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::f32::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]  --> src/material.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::random;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HitRecord`
[INFO] [stderr]   --> src/main.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hitable::{HitRecord, Hitable, Sphere, random_in_unit_sphere};
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:15:34
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[INFO] [stderr]    |                                  ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/main.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 |     match(world.hit(r, 0.00001, 10000.0)) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stderr]    |                        ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:83
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let world: Vec<Box<Hitable>> = spheres.into_iter().map(|s| Box::new(s) as Box<Hitable>).collect();
[INFO] [stderr]    |                                                                                   ^^^^^^^ help: use `dyn`: `dyn Hitable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lower_left_corner`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let lower_left_corner: Vec3 = Vec3(-2.0, -1.0, -1.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_left_corner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horizontal`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let horizontal: Vec3 = Vec3(4.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vertical`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let vertical: Vec3   = Vec3(0.0, 2.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let origin: Vec3     = Vec3(0.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |             for s in 0..ns {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:15:45
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn color(r: Ray, world: &Vec<Box<Hitable>>, mut depth: i32) -> Vec3 {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut spheres: Vec<Sphere> = vec![
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ray-3557ce0518c284d6
[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 `Command { std: "docker" "inspect" "7919ca889b0bc390719ce61365723cdcec3faee9dc9cc79490fb68bc35ea33f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7919ca889b0bc390719ce61365723cdcec3faee9dc9cc79490fb68bc35ea33f7", kill_on_drop: false }`
[INFO] [stdout] 7919ca889b0bc390719ce61365723cdcec3faee9dc9cc79490fb68bc35ea33f7
