[INFO] cloning repository https://github.com/dannyn/ray_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dannyn/ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyn%2Fray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyn%2Fray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6030abc98669e2d5dc7b072507bfc6c029be8313
[INFO] testing dannyn/ray_tracer against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannyn%2Fray_tracer" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dannyn/ray_tracer on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dannyn/ray_tracer
[INFO] finished tweaking git repo https://github.com/dannyn/ray_tracer
[INFO] tweaked toml for git repo https://github.com/dannyn/ray_tracer written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/dannyn/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7b3bcaff39179f614525b75e2b0f60d0c56db8364c620f927eeff4885b0dc4a
[INFO] running `Command { std: "docker" "start" "-a" "a7b3bcaff39179f614525b75e2b0f60d0c56db8364c620f927eeff4885b0dc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7b3bcaff39179f614525b75e2b0f60d0c56db8364c620f927eeff4885b0dc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b3bcaff39179f614525b75e2b0f60d0c56db8364c620f927eeff4885b0dc4a", kill_on_drop: false }`
[INFO] [stdout] a7b3bcaff39179f614525b75e2b0f60d0c56db8364c620f927eeff4885b0dc4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d27bbb63f15f17d00179b3a55d9f11c6f4aef375f30caa7fa9d6d32a63eb4b8
[INFO] running `Command { std: "docker" "start" "-a" "2d27bbb63f15f17d00179b3a55d9f11c6f4aef375f30caa7fa9d6d32a63eb4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling simba v0.3.1
[INFO] [stderr]    Compiling nalgebra v0.24.1
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `approx::relative_eq`
[INFO] [stdout]  --> src/ray.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use approx::relative_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/sphere.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]   --> src/transformation.rs:94:43
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn abs_diff_eq(&self, other: &Vector, epsilon: f64) -> bool {
[INFO] [stdout]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/transformation.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_relative`
[INFO] [stdout]    --> src/transformation.rs:104:57
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/transformation.rs:176:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/transformation.rs:176:33
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/transformation.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/transformation.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/transformation.rs:179:34
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/transformation.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/transformation.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn mul(self, other: Vector) -> Transformation {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/transformation.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn mul(self, other: Transformation) -> Transformation {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.28s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d27bbb63f15f17d00179b3a55d9f11c6f4aef375f30caa7fa9d6d32a63eb4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d27bbb63f15f17d00179b3a55d9f11c6f4aef375f30caa7fa9d6d32a63eb4b8", kill_on_drop: false }`
[INFO] [stdout] 2d27bbb63f15f17d00179b3a55d9f11c6f4aef375f30caa7fa9d6d32a63eb4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c66cdfea03fbc0b1b7122f67ba52bb8fea09579c8b436692bc93bfa509ac107
[INFO] running `Command { std: "docker" "start" "-a" "9c66cdfea03fbc0b1b7122f67ba52bb8fea09579c8b436692bc93bfa509ac107", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]   --> src/transformation.rs:94:43
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn abs_diff_eq(&self, other: &Vector, epsilon: f64) -> bool {
[INFO] [stdout]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `epsilon`
[INFO] [stdout]    --> src/transformation.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_relative`
[INFO] [stdout]    --> src/transformation.rs:104:57
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/transformation.rs:176:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/transformation.rs:176:33
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/transformation.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/transformation.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/transformation.rs:179:34
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/transformation.rs:179:42
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/transformation.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn mul(self, other: Vector) -> Transformation {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/transformation.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn mul(self, other: Transformation) -> Transformation {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot`
[INFO] [stdout]    --> src/transformation.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn dot() {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "9c66cdfea03fbc0b1b7122f67ba52bb8fea09579c8b436692bc93bfa509ac107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c66cdfea03fbc0b1b7122f67ba52bb8fea09579c8b436692bc93bfa509ac107", kill_on_drop: false }`
[INFO] [stdout] 9c66cdfea03fbc0b1b7122f67ba52bb8fea09579c8b436692bc93bfa509ac107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 127a163e1401179f6117b11a0baa6ad1d2d914b692366a47ba68d9e117a2fafb
[INFO] running `Command { std: "docker" "start" "-a" "127a163e1401179f6117b11a0baa6ad1d2d914b692366a47ba68d9e117a2fafb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]   --> src/transformation.rs:94:43
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn abs_diff_eq(&self, other: &Vector, epsilon: f64) -> bool {
[INFO] [stderr]    |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epsilon`
[INFO] [stderr]    --> src/transformation.rs:104:43
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stderr]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_relative`
[INFO] [stderr]    --> src/transformation.rs:104:57
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn relative_eq(&self, other: &Vector, epsilon: f64, max_relative: f64) -> bool {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_relative`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/transformation.rs:176:25
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/transformation.rs:176:33
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> src/transformation.rs:176:41
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn shear(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/transformation.rs:179:26
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/transformation.rs:179:34
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> src/transformation.rs:179:42
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn rotate(&self, x: f64, y: f64, z: f64) {
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/transformation.rs:218:18
[INFO] [stderr]     |
[INFO] [stderr] 218 |     fn mul(self, other: Vector) -> Transformation {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]    --> src/transformation.rs:225:18
[INFO] [stderr]     |
[INFO] [stderr] 225 |     fn mul(self, other: Transformation) -> Transformation {
[INFO] [stderr]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dot`
[INFO] [stderr]    --> src/transformation.rs:147:8
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn dot() {
[INFO] [stderr]     |        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ray_tracer-0b9751a529d1af95)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test canvas::canvas_tests::output_ppm ... ok
[INFO] [stdout] test sphere::sphere_tests::normals ... ok
[INFO] [stdout] test transformation::transformation_tests::construction ... ok
[INFO] [stdout] test sphere::sphere_tests::intersection_two_points ... ok
[INFO] [stdout] test ray::ray_tests::construction ... ok
[INFO] [stdout] test canvas::colour_tests::operators ... ok
[INFO] [stdout] test ray::ray_tests::position ... ok
[INFO] [stdout] test transformation::transformation_tests::scale ... ok
[INFO] [stdout] test sphere::sphere_tests::intersection_tangent ... ok
[INFO] [stdout] test transformation::vector_tests::norm ... ok
[INFO] [stdout] test transformation::transformation_tests::multiplication ... ok
[INFO] [stdout] test transformation::vector_tests::normalize ... ok
[INFO] [stdout] test transformation::vector_tests::operations ... ok
[INFO] [stdout] test transformation::vector_tests::reflection ... ok
[INFO] [stdout] test sphere::sphere_tests::intersection_misses ... ok
[INFO] [stdout] test sphere::sphere_tests::intersection_inside ... ok
[INFO] [stdout] test sphere::sphere_tests::intersection_behind ... ok
[INFO] [stdout] test canvas::canvas_tests::construction ... ok
[INFO] [stdout] test light::lighting_tests::eye_between_light_and_surface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "127a163e1401179f6117b11a0baa6ad1d2d914b692366a47ba68d9e117a2fafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127a163e1401179f6117b11a0baa6ad1d2d914b692366a47ba68d9e117a2fafb", kill_on_drop: false }`
[INFO] [stdout] 127a163e1401179f6117b11a0baa6ad1d2d914b692366a47ba68d9e117a2fafb