[INFO] cloning repository https://github.com/nupa/RustyTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nupa/RustyTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnupa%2FRustyTracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnupa%2FRustyTracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21b46831bca86ff3a7c3322ceb1fa4ccb8674fbc
[INFO] testing nupa/RustyTracer against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnupa%2FRustyTracer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nupa/RustyTracer
[INFO] finished tweaking git repo https://github.com/nupa/RustyTracer
[INFO] tweaked toml for git repo https://github.com/nupa/RustyTracer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nupa/RustyTracer on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nupa/RustyTracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] [stderr]   Downloaded tiff v0.4.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded deflate v0.8.4
[INFO] [stderr]   Downloaded image v0.23.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57f842889e81ecda59452143dc5193a4bf8103474a4fbe931b505a9b5e62344
[INFO] running `Command { std: "docker" "start" "-a" "a57f842889e81ecda59452143dc5193a4bf8103474a4fbe931b505a9b5e62344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57f842889e81ecda59452143dc5193a4bf8103474a4fbe931b505a9b5e62344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57f842889e81ecda59452143dc5193a4bf8103474a4fbe931b505a9b5e62344", kill_on_drop: false }`
[INFO] [stdout] a57f842889e81ecda59452143dc5193a4bf8103474a4fbe931b505a9b5e62344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 65b7fe4f5c91866730e13685d94f7736ea65658b7832a8ce922c97dabbbccbc7
[INFO] running `Command { std: "docker" "start" "-a" "65b7fe4f5c91866730e13685d94f7736ea65658b7832a8ce922c97dabbbccbc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling png v0.16.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.23.3
[INFO] [stderr]    Compiling RustyTracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::f64::consts::PI;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_world` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn create_world() -> Box<dyn Hittable> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hittable.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hittable_list.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sphere.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "65b7fe4f5c91866730e13685d94f7736ea65658b7832a8ce922c97dabbbccbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b7fe4f5c91866730e13685d94f7736ea65658b7832a8ce922c97dabbbccbc7", kill_on_drop: false }`
[INFO] [stdout] 65b7fe4f5c91866730e13685d94f7736ea65658b7832a8ce922c97dabbbccbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 19e31845921634784cdcc5fb46a31a70dc875d18f00f302e5c0e1488c9f6dc2c
[INFO] running `Command { std: "docker" "start" "-a" "19e31845921634784cdcc5fb46a31a70dc875d18f00f302e5c0e1488c9f6dc2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustyTracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::f64::consts::PI;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stdout]  --> src/material.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cgmath::num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_world` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn create_world() -> Box<dyn Hittable> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `w` is never read
[INFO] [stdout]   --> src/camera.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Camera {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     w: Vector3<f64>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hittable.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/hittable_list.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/sphere.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stdout]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "19e31845921634784cdcc5fb46a31a70dc875d18f00f302e5c0e1488c9f6dc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e31845921634784cdcc5fb46a31a70dc875d18f00f302e5c0e1488c9f6dc2c", kill_on_drop: false }`
[INFO] [stdout] 19e31845921634784cdcc5fb46a31a70dc875d18f00f302e5c0e1488c9f6dc2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] daf528af9ed2f53dbd65658914853baa2a20aee8ed7c6daca563effd19ee97e2
[INFO] running `Command { std: "docker" "start" "-a" "daf528af9ed2f53dbd65658914853baa2a20aee8ed7c6daca563effd19ee97e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::f64::consts::PI;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stderr]  --> src/camera.rs:5:5
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 | use cgmath::num_traits::real::Real;
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: unused import: `cgmath::num_traits::real::Real`
[INFO] [stdout] 
[INFO] [stderr]  --> src/material.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use cgmath::num_traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_world` is never used
[INFO] [stderr]   --> src/main.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn create_world() -> Box<dyn Hittable> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `w` is never read
[INFO] [stderr]   --> src/camera.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub struct Camera {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     w: Vector3<f64>,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/hittable.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord>;
[INFO] [stderr]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>>;
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/hittable_list.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stderr]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/sphere.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
[INFO] [stderr]    |            ^^^^^ this lifetime flows to the output             --------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord<'_>> {
[INFO] [stderr]    |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `RustyTracer` (bin "RustyTracer" test) generated 8 warnings (run `cargo fix --bin "RustyTracer" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/RustyTracer-4e1a6f8434dbe35a)
[INFO] running `Command { std: "docker" "inspect" "daf528af9ed2f53dbd65658914853baa2a20aee8ed7c6daca563effd19ee97e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf528af9ed2f53dbd65658914853baa2a20aee8ed7c6daca563effd19ee97e2", kill_on_drop: false }`
[INFO] [stdout] daf528af9ed2f53dbd65658914853baa2a20aee8ed7c6daca563effd19ee97e2