[INFO] cloning repository https://github.com/amuller-maths/ray-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amuller-maths/ray-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e01e996a849dd6d9fc8b56dba656315b101ee28
[INFO] testing amuller-maths/ray-tracer-challenge against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amuller-maths/ray-tracer-challenge on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amuller-maths/ray-tracer-challenge
[INFO] finished tweaking git repo https://github.com/amuller-maths/ray-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/amuller-maths/ray-tracer-challenge written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/amuller-maths/ray-tracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid-macro-internal v1.4.1
[INFO] [stderr]   Downloaded exr v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5f46aca6e785273cd525226f4c7f3b9c266d6cee81ae961589d87f472939c2c
[INFO] running `Command { std: "docker" "start" "-a" "e5f46aca6e785273cd525226f4c7f3b9c266d6cee81ae961589d87f472939c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f46aca6e785273cd525226f4c7f3b9c266d6cee81ae961589d87f472939c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f46aca6e785273cd525226f4c7f3b9c266d6cee81ae961589d87f472939c2c", kill_on_drop: false }`
[INFO] [stdout] e5f46aca6e785273cd525226f4c7f3b9c266d6cee81ae961589d87f472939c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43803bc043c5c14dd1a50e4d4ef5d455cd58270e931356d3aaf5dd225b8ba4ee
[INFO] running `Command { std: "docker" "start" "-a" "43803bc043c5c14dd1a50e4d4ef5d455cd58270e931356d3aaf5dd225b8ba4ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling uuid-macro-internal v1.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.6.5
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling ray-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "43803bc043c5c14dd1a50e4d4ef5d455cd58270e931356d3aaf5dd225b8ba4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43803bc043c5c14dd1a50e4d4ef5d455cd58270e931356d3aaf5dd225b8ba4ee", kill_on_drop: false }`
[INFO] [stdout] 43803bc043c5c14dd1a50e4d4ef5d455cd58270e931356d3aaf5dd225b8ba4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a5bccad80383da64085fc565f9ded78adf7d2f2470cc3917f8b12ab4345076
[INFO] running `Command { std: "docker" "start" "-a" "35a5bccad80383da64085fc565f9ded78adf7d2f2470cc3917f8b12ab4345076", kill_on_drop: false }`
[INFO] [stderr]    Compiling ray-tracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ray::Ray`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "35a5bccad80383da64085fc565f9ded78adf7d2f2470cc3917f8b12ab4345076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a5bccad80383da64085fc565f9ded78adf7d2f2470cc3917f8b12ab4345076", kill_on_drop: false }`
[INFO] [stdout] 35a5bccad80383da64085fc565f9ded78adf7d2f2470cc3917f8b12ab4345076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d62cd92f040335400140f1128e28f87a64c7645a16cf5158526b774d2f9e757
[INFO] running `Command { std: "docker" "start" "-a" "0d62cd92f040335400140f1128e28f87a64c7645a16cf5158526b774d2f9e757", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray_tracer_challenge::examples::*`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ray_tracer_challenge::examples::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ray::Ray`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pattern::Pattern, ray::Ray, transform::Transform, world::World,
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ray-tracer-challenge` (bin "ray-tracer-challenge" test) generated 3 warnings (run `cargo fix --bin "ray-tracer-challenge" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ray_tracer_challenge-e9aa14276471f26c)
[INFO] [stdout] 
[INFO] [stdout] running 122 tests
[INFO] [stdout] test camera::tests::constructiong_a_ray_through_a_corner_of_the_canvas ... ok
[INFO] [stdout] test camera::tests::constructiong_a_ray_when_the_camera_is_transformed ... ok
[INFO] [stdout] test camera::tests::constructiong_a_ray_through_the_center_of_the_canvas ... ok
[INFO] [stdout] test camera::tests::the_pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test camera::tests::the_pixel_size_for_a_vertical_canvas ... ok
[INFO] [stdout] test camera::tests::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test canvas::tests::adding_colors ... ok
[INFO] [stdout] test canvas::tests::multiplying_a_color_by_a_scalar ... ok
[INFO] [stdout] test canvas::tests::creating_a_red_canvas ... ok
[INFO] [stdout] test canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test canvas::tests::multiplying_colors ... ok
[INFO] [stdout] test canvas::tests::substracting_colors ... ok
[INFO] [stdout] test geometry::tests::adding_two_vectors ... ok
[INFO] [stdout] test canvas::tests::writing_pixels_to_a_canvas ... ok
[INFO] [stdout] test geometry::tests::multiplying_a_vector_by_a_scalar ... ok
[INFO] [stdout] test geometry::tests::negating_a_vector ... ok
[INFO] [stdout] test geometry::tests::computing_several_magnitudes ... ok
[INFO] [stdout] test geometry::tests::dividing_a_vector_by_a_scalar ... ok
[INFO] [stdout] test geometry::tests::normalizing_several_vectors ... ok
[INFO] [stdout] test geometry::tests::reflecting_a_vector_approaching_at_45_degrees ... ok
[INFO] [stdout] test geometry::tests::reflecting_a_vector_off_a_slanted_surface ... ok
[INFO] [stdout] test geometry::tests::substracting_a_vector_from_a_point ... ok
[INFO] [stdout] test geometry::tests::substracting_two_points ... ok
[INFO] [stdout] test geometry::tests::substracting_two_vectors ... ok
[INFO] [stdout] test geometry::tests::the_cross_product_of_two_vectors ... ok
[INFO] [stdout] test geometry::tests::the_dot_product_of_two_vectors ... ok
[INFO] [stdout] test intersection::tests::finding_n1_and_n2_at_various_intersections ... ok
[INFO] [stdout] test intersection::tests::the_hit_is_always_the_lowest_nonnegative_intersection ... ok
[INFO] [stdout] test intersection::tests::precomputing_the_reflection_vector ... ok
[INFO] [stdout] test intersection::tests::the_hit_should_offset_the_point ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_negative_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t ... ok
[INFO] [stdout] test intersection::tests::precomputing_the_state_of_an_intersection ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_outside ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_positive_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_inside ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_positive_t_reversed ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t_reversed ... ok
[INFO] [stdout] test material::tests::lighting_with_the_eye_between_light_and_surface_eye_offset_45_degrees ... ok
[INFO] [stdout] test intersection::tests::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_in_the_path_of_the_reflection_vector ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_opposite_surface_light_offset_45_degrees ... ok
[INFO] [stdout] test matrix::tests::a_matrix_multipied_by_a_vector ... ok
[INFO] [stdout] test material::tests::lighting_with_the_light_behind_the_surface ... ok
[INFO] [stdout] test material::tests::lighting_with_a_pattern_applied ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_matrix ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_thid_matrix ... ok
[INFO] [stdout] test material::tests::lighting_with_the_eye_between_the_light_and_the_surface ... ok
[INFO] [stdout] test material::tests::lighting_with_the_surface_in_shadow ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_another_matrix ... ok
[INFO] [stdout] test matrix::tests::multiplying_a_matrix_by_the_identity_matrix ... ok
[INFO] [stdout] test matrix::tests::multiplying_two_matrices ... ok
[INFO] [stdout] test matrix::tests::transposing_a_matrix ... ok
[INFO] [stdout] test object::tests::a_default_sphere ... ok
[INFO] [stdout] test object::tests::a_ray_intersecting_a_plane_from_above ... ok
[INFO] [stdout] test object::tests::a_ray_intersecting_a_plane_from_below ... ok
[INFO] [stdout] test object::tests::changing_a_spheres_transformation ... ok
[INFO] [stdout] test object::tests::computing_the_normal_on_a_transformed_sphere ... ok
[INFO] [stdout] test object::tests::computing_the_normal_on_a_translated_sphere ... ok
[INFO] [stdout] test object::tests::intersect_with_a_coplanar_ray ... ok
[INFO] [stdout] test object::tests::intersecting_a_translated_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::intersect_a_ray_parallel_to_the_plane ... ok
[INFO] [stdout] test object::tests::the_normal_is_a_normalized_vector ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_nonaxial_point ... ok
[INFO] [stdout] test object::tests::intersecting_a_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::the_normal_of_a_plane_is_constant_everywhere ... ok
[INFO] [stdout] test pattern::tests::a_gradient_linearly_interpolates_between_colors ... ok
[INFO] [stdout] test pattern::tests::a_ring_should_extend_in_both_x_and_z ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_z_axis ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_y_axis ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_point_on_the_x_axis ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_alternates_in_x ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_is_constant_in_y ... ok
[INFO] [stdout] test pattern::tests::a_stripe_pattern_is_constant_in_z ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_x ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_y ... ok
[INFO] [stdout] test pattern::tests::checkers_should_repeat_in_z ... ok
[INFO] [stdout] test pattern::tests::stripes_with_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::tests::stripes_with_both_an_object_and_a_pattern_transformation ... ok
[INFO] [stdout] test pattern::tests::stripes_with_an_object_transformation ... ok
[INFO] [stdout] test ray::tests::a_ray_intersects_a_sphere_at_two_points ... ok
[INFO] [stdout] test ray::tests::a_ray_intersects_a_sphere_at_a_tangent ... ok
[INFO] [stdout] test ray::tests::a_sphere_is_behind_a_ray ... ok
[INFO] [stdout] test ray::tests::computing_a_point_from_a_distance ... ok
[INFO] [stdout] test ray::tests::a_ray_misses_a_sphere ... ok
[INFO] [stdout] test ray::tests::a_ray_originates_inside_a_sphere ... ok
[INFO] [stdout] test ray::tests::scaling_a_ray ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_x_axis ... ok
[INFO] [stdout] test transform::tests::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::tests::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test transform::tests::chaining_transforms ... ok
[INFO] [stdout] test transform::tests::applying_a_shearing_transform_to_a_point ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_y_axis ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_z_axis ... ok
[INFO] [stdout] test ray::tests::translating_a_ray ... ok
[INFO] [stdout] test transform::tests::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test transform::tests::scaling_a_point ... ok
[INFO] [stdout] test transform::tests::scaling_a_vector ... ok
[INFO] [stdout] test transform::tests::translating_a_vector ... ok
[INFO] [stdout] test transform::tests::translating_a_point ... ok
[INFO] [stdout] test world::tests::shade_hit_is_given_an_intersection_in_shadow ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::tests::intersect_a_world_with_a_ray ... ok
[INFO] [stdout] test world::tests::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_hits ... ok
[INFO] [stdout] test world::tests::shading_an_intersection ... ok
[INFO] [stdout] test world::tests::shading_an_intersection_from_the_inside ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_reflective_material ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_misses ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_reflective_material ... ok
[INFO] [stdout] test world::tests::the_color_with_an_intersection_behind_the_ray ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_nonreflective_material ... ok
[INFO] [stdout] test world::tests::the_refracted_color_with_a_refracted_ray ... ok
[INFO] [stdout] test world::tests::the_shadow_when_an_object_is_between_the_point_and_the_light ... ok
[INFO] [stdout] test world::tests::the_reflected_color_at_the_maximum_recursive_depth ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_nothing_is_collinear_with_point_and_light ... ok
[INFO] [stdout] test world::tests::the_refracted_color_with_an_opaque_surface ... ok
[INFO] [stdout] test world::tests::the_refracted_color_at_the_maximum_recursive_depth ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_an_object_is_behind_the_light ... ok
[INFO] [stdout] test world::tests::there_is_no_shadow_when_an_object_is_behind_the_point ... ok
[INFO] [stdout] test world::tests::the_refracted_color_under_total_internal_reflection ... ok
[INFO] [stdout] test canvas::tests::saving_a_canvas ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- canvas::tests::saving_a_canvas stdout ----
[INFO] [stdout] thread 'canvas::tests::saving_a_canvas' panicked at src/canvas.rs:218:27:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5623f1dec28c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5623f1dec28c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5623f1dec28c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5623f1dec28c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5623f1e16cb0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5623f1e16cb0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5623f1de9a3f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x5623f1dec074 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5623f1dec074 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5623f1dedd37 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x5623f1deda23 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5623f1b4f0a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x5623f1b4f0a7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5623f1dee348 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x5623f1dee348 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5623f1dee09e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5623f1dec756 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x5623f1dede02 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5623f1ae6155 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5623f1ae6723 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x5623f1c10e13 - core::result::Result<T,E>::unwrap::h8a8745bce865fca2
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x5623f1b0bec3 - ray_tracer_challenge::canvas::tests::saving_a_canvas::h0f766e1449ef30fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:218:9
[INFO] [stdout]   22:     0x5623f1b0bdf7 - ray_tracer_challenge::canvas::tests::saving_a_canvas::{{closure}}::h5458f5a1a6cf3099
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:216:25
[INFO] [stdout]   23:     0x5623f1b006b6 - core::ops::function::FnOnce::call_once::hf408137011e6733c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5623f1b546ff - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5623f1b546ff - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x5623f1b53715 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x5623f1b53715 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5623f1b53715 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x5623f1b53715 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x5623f1b53715 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5623f1b53715 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x5623f1b53715 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x5623f1b1b9d6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x5623f1b1b9d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x5623f1b20a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5623f1b20a87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5623f1b20a87 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x5623f1b20a87 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x5623f1b20a87 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5623f1b20a87 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5623f1b20a87 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5623f1df2e05 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x5623f1df2e05 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x5623f1df2e05 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f89b05cfac3 - <unknown>
[INFO] [stdout]   46:     0x7f89b0660bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     canvas::tests::saving_a_canvas
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 121 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0d62cd92f040335400140f1128e28f87a64c7645a16cf5158526b774d2f9e757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d62cd92f040335400140f1128e28f87a64c7645a16cf5158526b774d2f9e757", kill_on_drop: false }`
[INFO] [stdout] 0d62cd92f040335400140f1128e28f87a64c7645a16cf5158526b774d2f9e757
