[INFO] updating cached repository https://github.com/niklashuss/ray_tracing_in_a_weekend
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e55c2151ebdb425934fe3f344fada563bd6f5e13
[INFO] testing niklashuss/ray_tracing_in_a_weekend against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklashuss%2Fray_tracing_in_a_weekend" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklashuss/ray_tracing_in_a_weekend on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/niklashuss/ray_tracing_in_a_weekend
[INFO] finished tweaking git repo https://github.com/niklashuss/ray_tracing_in_a_weekend
[INFO] tweaked toml for git repo https://github.com/niklashuss/ray_tracing_in_a_weekend written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/niklashuss/ray_tracing_in_a_weekend already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4613fe6531a314dd1f082d906c46b303c05edaf2710728d530579cb3adec01fd
[INFO] running `"docker" "start" "-a" "4613fe6531a314dd1f082d906c46b303c05edaf2710728d530579cb3adec01fd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.1
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling path-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `random`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::{Rng, random};
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dot_vec3`
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vec3::{Vec3, dot_vec3};
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:51
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn primary_ray(ray: Ray, intersectables: &Vec<Box<Intersection>>, near: f32, far: f32) -> Option<Hit> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[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/main.rs:83:49
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn ra_color2(ray: Ray, intersectables: &Vec<Box<Intersection>>, depth: i32) -> Vec3 {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:181:37
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut intersectables: Vec<Box<Intersection>> = std::vec::Vec::new();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]   --> src/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(hit) => {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 0..count {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     for i in 0..7 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let y = rng.gen_range(0.0, 2.0);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             for s in 0..subsampling_count {
[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:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut settings = Settings::new();
[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: function is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn length(v: Vec3) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/vec3.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn dot(&self, other: Vec3) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]   --> src/vec3.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shadow_ray`
[INFO] [stderr]   --> src/main.rs:68:4
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn shadow_ray(ray: Ray, intersectables: &std::vec::Vec<&dyn Intersection>, near: f32, far: f32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `"docker" "inspect" "4613fe6531a314dd1f082d906c46b303c05edaf2710728d530579cb3adec01fd"`
[INFO] running `"docker" "rm" "-f" "4613fe6531a314dd1f082d906c46b303c05edaf2710728d530579cb3adec01fd"`
[INFO] [stdout] 4613fe6531a314dd1f082d906c46b303c05edaf2710728d530579cb3adec01fd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 344d392a1cb85b0dbad5d4911b3bb2962c716c59ff37360ce1c6be382e4df042
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "344d392a1cb85b0dbad5d4911b3bb2962c716c59ff37360ce1c6be382e4df042"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling path-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `random`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::{Rng, random};
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dot_vec3`
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vec3::{Vec3, dot_vec3};
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:51
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn primary_ray(ray: Ray, intersectables: &Vec<Box<Intersection>>, near: f32, far: f32) -> Option<Hit> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[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/main.rs:83:49
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn ra_color2(ray: Ray, intersectables: &Vec<Box<Intersection>>, depth: i32) -> Vec3 {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:181:37
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut intersectables: Vec<Box<Intersection>> = std::vec::Vec::new();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]   --> src/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(hit) => {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 0..count {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     for i in 0..7 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let y = rng.gen_range(0.0, 2.0);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             for s in 0..subsampling_count {
[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:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut settings = Settings::new();
[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: function is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn length(v: Vec3) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/vec3.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn dot(&self, other: Vec3) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]   --> src/vec3.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shadow_ray`
[INFO] [stderr]   --> src/main.rs:68:4
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn shadow_ray(ray: Ray, intersectables: &std::vec::Vec<&dyn Intersection>, near: f32, far: f32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "344d392a1cb85b0dbad5d4911b3bb2962c716c59ff37360ce1c6be382e4df042"`
[INFO] running `"docker" "rm" "-f" "344d392a1cb85b0dbad5d4911b3bb2962c716c59ff37360ce1c6be382e4df042"`
[INFO] [stdout] 344d392a1cb85b0dbad5d4911b3bb2962c716c59ff37360ce1c6be382e4df042
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84517ddfcc297b84bff26ad88928e867f3ae025808015dbbe732e7caf94536f0
[INFO] running `"docker" "start" "-a" "84517ddfcc297b84bff26ad88928e867f3ae025808015dbbe732e7caf94536f0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `random`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::{Rng, random};
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dot_vec3`
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vec3::{Vec3, dot_vec3};
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:51
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn primary_ray(ray: Ray, intersectables: &Vec<Box<Intersection>>, near: f32, far: f32) -> Option<Hit> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[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/main.rs:83:49
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn ra_color2(ray: Ray, intersectables: &Vec<Box<Intersection>>, depth: i32) -> Vec3 {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:181:37
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let mut intersectables: Vec<Box<Intersection>> = std::vec::Vec::new();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Intersection`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hit`
[INFO] [stderr]   --> src/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |             Some(hit) => {
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_hit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     for i in 0..count {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     for i in 0..7 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let y = rng.gen_range(0.0, 2.0);
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             for s in 0..subsampling_count {
[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:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut settings = Settings::new();
[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: function is never used: `length`
[INFO] [stderr]   --> src/vec3.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn length(v: Vec3) -> f32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/vec3.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn dot(&self, other: Vec3) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]   --> src/vec3.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shadow_ray`
[INFO] [stderr]   --> src/main.rs:68:4
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn shadow_ray(ray: Ray, intersectables: &std::vec::Vec<&dyn Intersection>, near: f32, far: f32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/path_tracer-28b3a0c6b769ad6c
[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" "84517ddfcc297b84bff26ad88928e867f3ae025808015dbbe732e7caf94536f0"`
[INFO] running `"docker" "rm" "-f" "84517ddfcc297b84bff26ad88928e867f3ae025808015dbbe732e7caf94536f0"`
[INFO] [stdout] 84517ddfcc297b84bff26ad88928e867f3ae025808015dbbe732e7caf94536f0