[INFO] cloning repository https://github.com/Nil-Cipher/hopefully_ray_tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nil-Cipher/hopefully_ray_tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNil-Cipher%2Fhopefully_ray_tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNil-Cipher%2Fhopefully_ray_tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53a2b6513fce23caded4a4a98cbc7cb771da926f
[INFO] testing Nil-Cipher/hopefully_ray_tracing against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNil-Cipher%2Fhopefully_ray_tracing" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nil-Cipher/hopefully_ray_tracing on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nil-Cipher/hopefully_ray_tracing
[INFO] finished tweaking git repo https://github.com/Nil-Cipher/hopefully_ray_tracing
[INFO] tweaked toml for git repo https://github.com/Nil-Cipher/hopefully_ray_tracing written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Nil-Cipher/hopefully_ray_tracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cba4174c827ee9909dcdb35e41e0847777c3d69a1baeeb35943f259548a25e3
[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" "1cba4174c827ee9909dcdb35e41e0847777c3d69a1baeeb35943f259548a25e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cba4174c827ee9909dcdb35e41e0847777c3d69a1baeeb35943f259548a25e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cba4174c827ee9909dcdb35e41e0847777c3d69a1baeeb35943f259548a25e3", kill_on_drop: false }`
[INFO] [stdout] 1cba4174c827ee9909dcdb35e41e0847777c3d69a1baeeb35943f259548a25e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 060cba95230b6e440aca6b3956eebd389c830a6cff8d3e961e7ccb8481e86b4b
[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" "060cba95230b6e440aca6b3956eebd389c830a6cff8d3e961e7ccb8481e86b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hopefully_ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::vector`
[INFO] [stdout]  --> src/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:75:67
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:81:69
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `r`
[INFO] [stdout]   --> src/vector.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn r(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `g`
[INFO] [stdout]   --> src/vector.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub fn g(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `b`
[INFO] [stdout]   --> src/vector.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn b(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/vector.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn cross(&self, v2: Vec3) -> Vec3 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mul_equal_const`
[INFO] [stdout]   --> src/vector.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn mul_equal_const(&mut self, c: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `div_equal_const`
[INFO] [stdout]   --> src/vector.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |   pub fn div_equal_const(&mut self, c: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let N = (r.point_at_parameter(t) - vector::build_vec3(0.0, 0.0, -1.0)).unit_vector();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "060cba95230b6e440aca6b3956eebd389c830a6cff8d3e961e7ccb8481e86b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060cba95230b6e440aca6b3956eebd389c830a6cff8d3e961e7ccb8481e86b4b", kill_on_drop: false }`
[INFO] [stdout] 060cba95230b6e440aca6b3956eebd389c830a6cff8d3e961e7ccb8481e86b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17bd708a7d7b11a13a9fa0a2b2cd837abc143da50a322291bd52d27aedf38087
[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" "17bd708a7d7b11a13a9fa0a2b2cd837abc143da50a322291bd52d27aedf38087", kill_on_drop: false }`
[INFO] [stderr]    Compiling hopefully_ray_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::vector`
[INFO] [stdout]  --> src/ray.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:75:67
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:81:69
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut s = String::new();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `r`
[INFO] [stdout]   --> src/vector.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn r(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `g`
[INFO] [stdout]   --> src/vector.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub fn g(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `b`
[INFO] [stdout]   --> src/vector.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |   pub fn b(&self) -> f64 {
[INFO] [stdout]    |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/vector.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn cross(&self, v2: Vec3) -> Vec3 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mul_equal_const`
[INFO] [stdout]   --> src/vector.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn mul_equal_const(&mut self, c: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `div_equal_const`
[INFO] [stdout]   --> src/vector.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |   pub fn div_equal_const(&mut self, c: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let N = (r.point_at_parameter(t) - vector::build_vec3(0.0, 0.0, -1.0)).unit_vector();
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "17bd708a7d7b11a13a9fa0a2b2cd837abc143da50a322291bd52d27aedf38087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bd708a7d7b11a13a9fa0a2b2cd837abc143da50a322291bd52d27aedf38087", kill_on_drop: false }`
[INFO] [stdout] 17bd708a7d7b11a13a9fa0a2b2cd837abc143da50a322291bd52d27aedf38087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb0d2c8aff645fd2c951fe8234cc716a8007844067dbdf4419374b21ed55521a
[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" "cb0d2c8aff645fd2c951fe8234cc716a8007844067dbdf4419374b21ed55521a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::vector`
[INFO] [stderr]  --> src/ray.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:75:67
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:81:69
[INFO] [stderr]    |
[INFO] [stderr] 81 |         Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut s = String::new();
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `r`
[INFO] [stderr]   --> src/vector.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn r(&self) -> f64 {
[INFO] [stderr]    |          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `g`
[INFO] [stderr]   --> src/vector.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn g(&self) -> f64 {
[INFO] [stderr]    |          ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/vector.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |   pub fn b(&self) -> f64 {
[INFO] [stderr]    |          ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cross`
[INFO] [stderr]   --> src/vector.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn cross(&self, v2: Vec3) -> Vec3 {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mul_equal_const`
[INFO] [stderr]   --> src/vector.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn mul_equal_const(&mut self, c: f64) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `div_equal_const`
[INFO] [stderr]   --> src/vector.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |   pub fn div_equal_const(&mut self, c: f64) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let N = (r.point_at_parameter(t) - vector::build_vec3(0.0, 0.0, -1.0)).unit_vector();
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hopefully_ray_tracing-ad57bd2330edde3a
[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" "cb0d2c8aff645fd2c951fe8234cc716a8007844067dbdf4419374b21ed55521a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0d2c8aff645fd2c951fe8234cc716a8007844067dbdf4419374b21ed55521a", kill_on_drop: false }`
[INFO] [stdout] cb0d2c8aff645fd2c951fe8234cc716a8007844067dbdf4419374b21ed55521a