[INFO] updating cached repository https://github.com/thomas-hugon/simple-raytracer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e349f91961837483649f75a17111d5bb33be7c9d
[INFO] testing thomas-hugon/simple-raytracer-rust/e349f91961837483649f75a17111d5bb33be7c9d against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas-hugon%2Fsimple-raytracer-rust" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomas-hugon/simple-raytracer-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomas-hugon/simple-raytracer-rust
[INFO] finished tweaking git repo https://github.com/thomas-hugon/simple-raytracer-rust
[INFO] tweaked toml for git repo https://github.com/thomas-hugon/simple-raytracer-rust written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/thomas-hugon/simple-raytracer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65dedbd6d690f625fb71745c6fa9fce6746dd0e8a61cfb5ddf54b6c77c5cd8a6
[INFO] running `Command { std: "docker" "start" "-a" "65dedbd6d690f625fb71745c6fa9fce6746dd0e8a61cfb5ddf54b6c77c5cd8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65dedbd6d690f625fb71745c6fa9fce6746dd0e8a61cfb5ddf54b6c77c5cd8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dedbd6d690f625fb71745c6fa9fce6746dd0e8a61cfb5ddf54b6c77c5cd8a6", kill_on_drop: false }`
[INFO] [stdout] 65dedbd6d690f625fb71745c6fa9fce6746dd0e8a61cfb5ddf54b6c77c5cd8a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337cdce97587dc06aa03fb1329e7ad9f0991dff81746ac01ea0070f2a75a0b8f
[INFO] running `Command { std: "docker" "start" "-a" "337cdce97587dc06aa03fb1329e7ad9f0991dff81746ac01ea0070f2a75a0b8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::angle::Angle::Deg`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::angle::Angle::Deg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sphere`
[INFO] [stdout]   --> src/main.rs:16:52
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::geometry::{sphere, Geometry, Intersect, Sphere};
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stdout]     |                ^                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 215 -             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stdout] 215 +             if Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:218:20
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 if (choose_mat < 0.4) {
[INFO] [stdout]     |                    ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -                 if (choose_mat < 0.4) {
[INFO] [stdout] 218 +                 if choose_mat < 0.4 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 } else if (choose_mat < 0.65) {
[INFO] [stdout]     |                           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -                 } else if (choose_mat < 0.65) {
[INFO] [stdout] 229 +                 } else if choose_mat < 0.65 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `world_v5`
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn world_v5() -> Vec<Arc<Geometry>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/cam.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cam.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         worker.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "337cdce97587dc06aa03fb1329e7ad9f0991dff81746ac01ea0070f2a75a0b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337cdce97587dc06aa03fb1329e7ad9f0991dff81746ac01ea0070f2a75a0b8f", kill_on_drop: false }`
[INFO] [stdout] 337cdce97587dc06aa03fb1329e7ad9f0991dff81746ac01ea0070f2a75a0b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 441af6fc114f95b9e0192a25691219fe6022fed39d46db33432aad6a4a1a0af6
[INFO] running `Command { std: "docker" "start" "-a" "441af6fc114f95b9e0192a25691219fe6022fed39d46db33432aad6a4a1a0af6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::angle::Angle::Deg`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::angle::Angle::Deg;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sphere`
[INFO] [stdout]   --> src/main.rs:16:52
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::geometry::{sphere, Geometry, Intersect, Sphere};
[INFO] [stdout]    |                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 215 |             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stdout]     |                ^                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 215 -             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stdout] 215 +             if Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:218:20
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 if (choose_mat < 0.4) {
[INFO] [stdout]     |                    ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 218 -                 if (choose_mat < 0.4) {
[INFO] [stdout] 218 +                 if choose_mat < 0.4 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:229:27
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 } else if (choose_mat < 0.65) {
[INFO] [stdout]     |                           ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 229 -                 } else if (choose_mat < 0.65) {
[INFO] [stdout] 229 +                 } else if choose_mat < 0.65 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `world_v5`
[INFO] [stdout]    --> src/main.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn world_v5() -> Vec<Arc<Geometry>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `w`
[INFO] [stdout]   --> src/cam.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: Vec3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/cam.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Clone)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         worker.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.28s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ray-0d96960bb2416e9d)
[INFO] running `Command { std: "docker" "inspect" "441af6fc114f95b9e0192a25691219fe6022fed39d46db33432aad6a4a1a0af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441af6fc114f95b9e0192a25691219fe6022fed39d46db33432aad6a4a1a0af6", kill_on_drop: false }`
[INFO] [stdout] 441af6fc114f95b9e0192a25691219fe6022fed39d46db33432aad6a4a1a0af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39efd6146952d53631405a1ce0bd77bcc6cc624cc6a1d8459cbc0fd2379f089c
[INFO] running `Command { std: "docker" "start" "-a" "39efd6146952d53631405a1ce0bd77bcc6cc624cc6a1d8459cbc0fd2379f089c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::angle::Angle::Deg`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::angle::Angle::Deg;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sphere`
[INFO] [stderr]   --> src/main.rs:16:52
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::geometry::{sphere, Geometry, Intersect, Sphere};
[INFO] [stderr]    |                                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]  --> src/material.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::random;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:215:16
[INFO] [stderr]     |
[INFO] [stderr] 215 |             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stderr]     |                ^                                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 215 -             if (Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9) {
[INFO] [stderr] 215 +             if Vec3::points(Point3(4., 0.2, 0.), center).len() > 0.9 {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 if (choose_mat < 0.4) {
[INFO] [stderr]     |                    ^                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -                 if (choose_mat < 0.4) {
[INFO] [stderr] 218 +                 if choose_mat < 0.4 {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:229:27
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 } else if (choose_mat < 0.65) {
[INFO] [stderr]     |                           ^                 ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 229 -                 } else if (choose_mat < 0.65) {
[INFO] [stderr] 229 +                 } else if choose_mat < 0.65 {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `world_v5`
[INFO] [stderr]    --> src/main.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn world_v5() -> Vec<Arc<Geometry>> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `w`
[INFO] [stderr]   --> src/cam.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     w: Vec3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Camera` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/cam.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Clone)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         worker.join();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `ray` (bin "ray" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ray-0d96960bb2416e9d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39efd6146952d53631405a1ce0bd77bcc6cc624cc6a1d8459cbc0fd2379f089c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39efd6146952d53631405a1ce0bd77bcc6cc624cc6a1d8459cbc0fd2379f089c", kill_on_drop: false }`
[INFO] [stdout] 39efd6146952d53631405a1ce0bd77bcc6cc624cc6a1d8459cbc0fd2379f089c