[INFO] updating cached repository https://github.com/wwkeyboard/ray_tracer_challenge
[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] fddd457ef49cfbccf3430458a80ec55bd66029ca
[INFO] testing wwkeyboard/ray_tracer_challenge against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwkeyboard%2Fray_tracer_challenge" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wwkeyboard/ray_tracer_challenge on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wwkeyboard/ray_tracer_challenge
[INFO] finished tweaking git repo https://github.com/wwkeyboard/ray_tracer_challenge
[INFO] tweaked toml for git repo https://github.com/wwkeyboard/ray_tracer_challenge written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wwkeyboard/ray_tracer_challenge already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ac77a5a09d4b3910fd832725a8d396f9e311589400f921bd790d318ffce25446
[INFO] running `"docker" "start" "-a" "ac77a5a09d4b3910fd832725a8d396f9e311589400f921bd790d318ffce25446"`
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling ray_tracer_challenge v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `pixel_at`
[INFO] [stderr]   --> src/canvas.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn pixel_at(&self, x: usize, y: usize) -> color::Color {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/matrix.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(m: Vec<Vec<f32>>) -> Matrix {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZERO_VECTOR`
[INFO] [stderr]   --> src/point.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / const ZERO_VECTOR: Tuple = Tuple {
[INFO] [stderr] 8  | |     x: 0.,
[INFO] [stderr] 9  | |     y: 0.,
[INFO] [stderr] 10 | |     z: 0.,
[INFO] [stderr] 11 | |     w: 0.,
[INFO] [stderr] 12 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_vector`
[INFO] [stderr]   --> src/point.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn is_vector(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_point`
[INFO] [stderr]   --> src/point.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_point(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `negate`
[INFO] [stderr]   --> src/point.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn negate(self) -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `magnitude`
[INFO] [stderr]   --> src/point.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn magnitude(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize`
[INFO] [stderr]   --> src/point.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn normalize(&self) -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dot`
[INFO] [stderr]   --> src/point.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn dot(&self, other: Tuple) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/point.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn cross(&self, other: Tuple) -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `"docker" "inspect" "ac77a5a09d4b3910fd832725a8d396f9e311589400f921bd790d318ffce25446"`
[INFO] running `"docker" "rm" "-f" "ac77a5a09d4b3910fd832725a8d396f9e311589400f921bd790d318ffce25446"`
[INFO] [stdout] ac77a5a09d4b3910fd832725a8d396f9e311589400f921bd790d318ffce25446
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7bbfefc9416224ca663b8d2d8246402234452c7623a6cb8d7156343985d1896
[INFO] running `"docker" "start" "-a" "a7bbfefc9416224ca663b8d2d8246402234452c7623a6cb8d7156343985d1896"`
[INFO] [stderr]    Compiling ray_tracer_challenge v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `"docker" "inspect" "a7bbfefc9416224ca663b8d2d8246402234452c7623a6cb8d7156343985d1896"`
[INFO] running `"docker" "rm" "-f" "a7bbfefc9416224ca663b8d2d8246402234452c7623a6cb8d7156343985d1896"`
[INFO] [stdout] a7bbfefc9416224ca663b8d2d8246402234452c7623a6cb8d7156343985d1896
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] e5a168b92a896e4a5c7b0f5502bd5a4e32c36248a8e72da263e2c66fb7359579
[INFO] running `"docker" "start" "-a" "e5a168b92a896e4a5c7b0f5502bd5a4e32c36248a8e72da263e2c66fb7359579"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ray_tracer_challenge-bd3ad2a9b9e2bbd9
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test canvas::tests::add_pixel_data_to_ppm ... ok
[INFO] [stdout] test canvas::tests::proper_ppm_header ... ok
[INFO] [stdout] test canvas::tests::safe_write_pixel ... ok
[INFO] [stdout] test color::tests::colors_are_tuples ... ok
[INFO] [stdout] test color::tests::adding_colors ... ok
[INFO] [stdout] test color::tests::multiple_color_by_scalar ... ok
[INFO] [stdout] test color::tests::multiply_color_by_color ... ok
[INFO] [stdout] test color::tests::to_ppm ... ok
[INFO] [stdout] test matrix::tests::compare_matrices ... ok
[INFO] [stdout] test matrix::tests::new_2x2_matrix ... ok
[INFO] [stdout] test point::tests::a_tuple_with_w_0_is_a_vector ... ok
[INFO] [stdout] test matrix::tests::new_3x3_matrix ... ok
[INFO] [stdout] test point::tests::a_tuple_with_w_1_is_a_point ... ok
[INFO] [stdout] test matrix::tests::new_4x4_matrix ... ok
[INFO] [stdout] test point::tests::adding_two_tuples ... ok
[INFO] [stdout] test point::tests::cross_product ... ok
[INFO] [stdout] test point::tests::divide_tuple_by_scalar ... ok
[INFO] [stdout] test point::tests::multiple_tuple_by_scalar ... ok
[INFO] [stdout] test point::tests::normalizing_vector ... ok
[INFO] [stdout] test point::tests::negate_a_vector ... ok
[INFO] [stdout] test point::tests::magnitude_of_vectors ... ok
[INFO] [stdout] test point::tests::dot_product ... ok
[INFO] [stdout] test point::tests::point_factory_creates_point ... ok
[INFO] [stdout] test point::tests::subtracting_vector_from_a_point ... ok
[INFO] [stdout] test point::tests::subtracting_two_points ... ok
[INFO] [stdout] test point::tests::adding_two_vectors_gives_a_vector ... ok
[INFO] [stdout] test color::tests::subtracting_colors ... ok
[INFO] [stdout] test point::tests::subtract_vector_from_zero_vector ... ok
[INFO] [stdout] test point::tests::subtracting_two_vectors ... ok
[INFO] [stdout] test canvas::tests::write_pixel_to_canvas ... ok
[INFO] [stdout] test point::tests::vector_factory_creates_vector ... ok
[INFO] [stdout] test canvas::tests::new_canvas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e5a168b92a896e4a5c7b0f5502bd5a4e32c36248a8e72da263e2c66fb7359579"`
[INFO] running `"docker" "rm" "-f" "e5a168b92a896e4a5c7b0f5502bd5a4e32c36248a8e72da263e2c66fb7359579"`
[INFO] [stdout] e5a168b92a896e4a5c7b0f5502bd5a4e32c36248a8e72da263e2c66fb7359579