[INFO] updating cached repository https://github.com/WonkySpecs/weekend-raytracer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 6285c80ee7420d70f998758f551f5ffa0ee07bb4
[INFO] testing WonkySpecs/weekend-raytracer against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonkySpecs%2Fweekend-raytracer" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WonkySpecs/weekend-raytracer on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/WonkySpecs/weekend-raytracer
[INFO] finished tweaking git repo https://github.com/WonkySpecs/weekend-raytracer
[INFO] tweaked toml for git repo https://github.com/WonkySpecs/weekend-raytracer written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/WonkySpecs/weekend-raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 044891f9709e25c1fa9f1b3ea8024457e4332daf5272818fb0f0bd4ec3c57d0c
[INFO] running `"docker" "start" "-a" "044891f9709e25c1fa9f1b3ea8024457e4332daf5272818fb0f0bd4ec3c57d0c"`
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling weekend-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Hitable`
[INFO] [stderr]  --> src/main.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | use data_structures::{Vec3, Ray, Sphere, Hitable, Hit, World};
[INFO] [stderr]   |                                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `x`
[INFO] [stderr]   --> src/data_structures.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn x(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `z`
[INFO] [stderr]   --> src/data_structures.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn z(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scalar_add`
[INFO] [stderr]   --> src/data_structures.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scalar_add(&self, other: f64) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scalar_sub`
[INFO] [stderr]   --> src/data_structures.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn scalar_sub(&self, other: f64) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/data_structures.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn inverse(&self) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_mult`
[INFO] [stderr]   --> src/data_structures.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn vec_mult(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_div`
[INFO] [stderr]   --> src/data_structures.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn vec_div(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/data_structures.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fs::write("out.ppm", content);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "044891f9709e25c1fa9f1b3ea8024457e4332daf5272818fb0f0bd4ec3c57d0c"`
[INFO] running `"docker" "rm" "-f" "044891f9709e25c1fa9f1b3ea8024457e4332daf5272818fb0f0bd4ec3c57d0c"`
[INFO] [stdout] 044891f9709e25c1fa9f1b3ea8024457e4332daf5272818fb0f0bd4ec3c57d0c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9db5b9c29194f4e5804b1801c533ba85dcdfe6971d38430c31495da60e50d368
[INFO] running `"docker" "start" "-a" "9db5b9c29194f4e5804b1801c533ba85dcdfe6971d38430c31495da60e50d368"`
[INFO] [stderr]    Compiling weekend-raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Hitable`
[INFO] [stderr]  --> src/main.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | use data_structures::{Vec3, Ray, Sphere, Hitable, Hit, World};
[INFO] [stderr]   |                                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `x`
[INFO] [stderr]   --> src/data_structures.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn x(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `z`
[INFO] [stderr]   --> src/data_structures.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn z(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scalar_add`
[INFO] [stderr]   --> src/data_structures.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn scalar_add(&self, other: f64) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `scalar_sub`
[INFO] [stderr]   --> src/data_structures.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn scalar_sub(&self, other: f64) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/data_structures.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn inverse(&self) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_mult`
[INFO] [stderr]   --> src/data_structures.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn vec_mult(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vec_div`
[INFO] [stderr]   --> src/data_structures.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn vec_div(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/data_structures.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fs::write("out.ppm", content);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "9db5b9c29194f4e5804b1801c533ba85dcdfe6971d38430c31495da60e50d368"`
[INFO] running `"docker" "rm" "-f" "9db5b9c29194f4e5804b1801c533ba85dcdfe6971d38430c31495da60e50d368"`
[INFO] [stdout] 9db5b9c29194f4e5804b1801c533ba85dcdfe6971d38430c31495da60e50d368
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 09ac8363741c8c87adbbb5f34079c8ff4f4e3ad058f69e7fee88304f351b1021
[INFO] running `"docker" "start" "-a" "09ac8363741c8c87adbbb5f34079c8ff4f4e3ad058f69e7fee88304f351b1021"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/weekend_raytracer-46de8244025f79fe
[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" "09ac8363741c8c87adbbb5f34079c8ff4f4e3ad058f69e7fee88304f351b1021"`
[INFO] running `"docker" "rm" "-f" "09ac8363741c8c87adbbb5f34079c8ff4f4e3ad058f69e7fee88304f351b1021"`
[INFO] [stdout] 09ac8363741c8c87adbbb5f34079c8ff4f4e3ad058f69e7fee88304f351b1021