[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 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famuller-maths%2Fray-tracer-challenge" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amuller-maths/ray-tracer-challenge on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "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-1-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" "+1.83.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a616c69f652569cf68ac7717fde23b240104e72b55bf31a44b1070df7444fb86
[INFO] running `Command { std: "docker" "start" "-a" "a616c69f652569cf68ac7717fde23b240104e72b55bf31a44b1070df7444fb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a616c69f652569cf68ac7717fde23b240104e72b55bf31a44b1070df7444fb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a616c69f652569cf68ac7717fde23b240104e72b55bf31a44b1070df7444fb86", kill_on_drop: false }`
[INFO] [stdout] a616c69f652569cf68ac7717fde23b240104e72b55bf31a44b1070df7444fb86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21865cf04fc2905e4435231331f5059e65dfeea4e58f00c8881b3fd5b4f06f94
[INFO] running `Command { std: "docker" "start" "-a" "21865cf04fc2905e4435231331f5059e65dfeea4e58f00c8881b3fd5b4f06f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling png v0.17.9
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling uuid-macro-internal v1.4.1
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling tiff v0.8.1
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.17s
[INFO] running `Command { std: "docker" "inspect" "21865cf04fc2905e4435231331f5059e65dfeea4e58f00c8881b3fd5b4f06f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21865cf04fc2905e4435231331f5059e65dfeea4e58f00c8881b3fd5b4f06f94", kill_on_drop: false }`
[INFO] [stdout] 21865cf04fc2905e4435231331f5059e65dfeea4e58f00c8881b3fd5b4f06f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f332d7e7ae64bce1e121bd58c17a7fdefed49acef5f6e619eadc90d5c6cad7
[INFO] running `Command { std: "docker" "start" "-a" "f5f332d7e7ae64bce1e121bd58c17a7fdefed49acef5f6e619eadc90d5c6cad7", 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "f5f332d7e7ae64bce1e121bd58c17a7fdefed49acef5f6e619eadc90d5c6cad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f332d7e7ae64bce1e121bd58c17a7fdefed49acef5f6e619eadc90d5c6cad7", kill_on_drop: false }`
[INFO] [stdout] f5f332d7e7ae64bce1e121bd58c17a7fdefed49acef5f6e619eadc90d5c6cad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b38661752d8621f501ccd56f798cda4c4d94f6fea2c02fc0c4c6558e554b1dc4
[INFO] running `Command { std: "docker" "start" "-a" "b38661752d8621f501ccd56f798cda4c4d94f6fea2c02fc0c4c6558e554b1dc4", 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` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ray_tracer_challenge-97bcb785421c917c)
[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::the_pixel_size_for_a_horizontal_canvas ... ok
[INFO] [stdout] test camera::tests::the_pixel_size_for_a_vertical_canvas ... ok
[INFO] [stdout] test canvas::tests::adding_colors ... ok
[INFO] [stdout] test camera::tests::rendering_a_world_with_a_camera ... ok
[INFO] [stdout] test canvas::tests::multiplying_a_color_by_a_scalar ... ok
[INFO] [stdout] test canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test camera::tests::constructiong_a_ray_through_the_center_of_the_canvas ... ok
[INFO] [stdout] test canvas::tests::multiplying_colors ... ok
[INFO] [stdout] test geometry::tests::adding_two_vectors ... 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 canvas::tests::substracting_colors ... ok
[INFO] [stdout] test geometry::tests::negating_a_vector ... 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::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_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::precomputing_the_reflection_vector ... ok
[INFO] [stdout] test intersection::tests::precomputing_the_state_of_an_intersection ... ok
[INFO] [stdout] test intersection::tests::the_hit_is_always_the_lowest_nonnegative_intersection ... ok
[INFO] [stdout] test canvas::tests::creating_a_red_canvas ... ok
[INFO] [stdout] test geometry::tests::substracting_a_vector_from_a_point ... 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_all_intersections_have_positive_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_some_intersections_have_negative_t_reversed ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_inside ... ok
[INFO] [stdout] test material::tests::lighting_with_a_pattern_applied ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_an_intersection_occurs_on_the_outside ... ok
[INFO] [stdout] test intersection::tests::the_under_point_is_offset_below_the_surface ... ok
[INFO] [stdout] test intersection::tests::the_hit_when_all_intersections_have_positive_t_reversed ... ok
[INFO] [stdout] test geometry::tests::normalizing_several_vectors ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_opposite_surface_light_offset_45_degrees ... 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_eye_between_light_and_surface_eye_offset_45_degrees ... ok
[INFO] [stdout] test material::tests::lighting_with_the_light_behind_the_surface ... ok
[INFO] [stdout] test material::tests::lighting_with_the_surface_in_shadow ... ok
[INFO] [stdout] test material::tests::lighting_with_eye_in_the_path_of_the_reflection_vector ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_matrix ... ok
[INFO] [stdout] test matrix::tests::a_matrix_multipied_by_a_vector ... ok
[INFO] [stdout] test matrix::tests::calculating_the_inverse_of_a_thid_matrix ... 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_below ... 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::a_ray_intersecting_a_plane_from_above ... ok
[INFO] [stdout] test object::tests::intersect_a_ray_parallel_to_the_plane ... ok
[INFO] [stdout] test object::tests::intersect_with_a_coplanar_ray ... ok
[INFO] [stdout] test object::tests::intersecting_a_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::intersecting_a_translated_sphere_with_a_ray ... ok
[INFO] [stdout] test object::tests::the_normal_of_a_plane_is_constant_everywhere ... ok
[INFO] [stdout] test object::tests::the_normal_on_a_sphere_at_a_nonaxial_point ... 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 object::tests::changing_a_spheres_transformation ... 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_point_on_the_z_axis ... 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 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_an_object_transformation ... ok
[INFO] [stdout] test ray::tests::a_ray_intersects_a_sphere_at_a_tangent ... 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 ray::tests::a_ray_intersects_a_sphere_at_two_points ... 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::a_sphere_is_behind_a_ray ... ok
[INFO] [stdout] test ray::tests::scaling_a_ray ... ok
[INFO] [stdout] test ray::tests::computing_a_point_from_a_distance ... ok
[INFO] [stdout] test ray::tests::translating_a_ray ... ok
[INFO] [stdout] test transform::tests::a_view_transformation_matrix_looking_in_positive_z_direction ... ok
[INFO] [stdout] test transform::tests::applying_a_shearing_transform_to_a_point ... ok
[INFO] [stdout] test transform::tests::an_arbitrary_view_transformation ... ok
[INFO] [stdout] test transform::tests::chaining_transforms ... ok
[INFO] [stdout] test transform::tests::rotating_a_point_around_the_x_axis ... 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 transform::tests::scaling_a_point ... ok
[INFO] [stdout] test transform::tests::scaling_a_vector ... ok
[INFO] [stdout] test transform::tests::translating_a_point ... ok
[INFO] [stdout] test transform::tests::translating_a_vector ... ok
[INFO] [stdout] test transform::tests::the_transformation_matrix_for_the_default_orientation ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_reflective_material ... ok
[INFO] [stdout] test world::tests::color_at_with_mutually_reflective_surfaces ... ok
[INFO] [stdout] test world::tests::intersect_a_world_with_a_ray ... ok
[INFO] [stdout] test world::tests::shade_hit_is_given_an_intersection_in_shadow ... ok
[INFO] [stdout] test world::tests::the_reflected_color_at_the_maximum_recursive_depth ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_nonreflective_material ... ok
[INFO] [stdout] test world::tests::shade_hit_with_a_transparent_material ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_hits ... ok
[INFO] [stdout] test world::tests::the_color_when_a_ray_misses ... ok
[INFO] [stdout] test world::tests::shading_an_intersection_from_the_inside ... ok
[INFO] [stdout] test world::tests::shading_an_intersection ... ok
[INFO] [stdout] test world::tests::the_reflected_color_for_a_reflective_material ... ok
[INFO] [stdout] test world::tests::the_refracted_color_with_a_refracted_ray ... ok
[INFO] [stdout] test world::tests::the_refracted_color_at_the_maximum_recursive_depth ... 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_refracted_color_under_total_internal_reflection ... ok
[INFO] [stdout] test world::tests::the_color_with_an_intersection_behind_the_ray ... 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_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::there_is_no_shadow_when_an_object_is_behind_the_point ... 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:     0x641267a3e41a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x641267a3e41a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x641267a3e41a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x641267a3e41a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x641267a647e3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x641267a647e3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x641267a3b2e3 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x641267a3e262 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x641267a3f87a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x641267a3f684 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x6412677cbb99 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x6412677cbb99 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x641267a3ff18 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x641267a3ff18 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x641267a3fcda - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x641267a3e8f9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x641267a3f96c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x641267763020 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x6412677634a6 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x641267785d28 - core::result::Result<T,E>::unwrap::h0a21de0c2892c42c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x641267785d28 - ray_tracer_challenge::canvas::tests::saving_a_canvas::h006cfd6b6f755f75
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:218:9
[INFO] [stdout]   21:     0x641267785bd7 - ray_tracer_challenge::canvas::tests::saving_a_canvas::{{closure}}::h845660a21fef2428
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:216:25
[INFO] [stdout]   22:     0x64126778d5b6 - core::ops::function::FnOnce::call_once::he34e217c49e64261
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6412677d055b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6412677d055b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x6412677cfd97 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x6412677cfd97 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x6412677cfd97 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x6412677cfd97 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x6412677cfd97 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x6412677cfd97 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x6412677cfd97 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x641267795074 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x641267795074 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x64126779873e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x64126779873e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x64126779873e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x64126779873e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x64126779873e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x64126779873e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x64126779873e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x641267a43c7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x641267a43c7b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x641267a43c7b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x721e9c17cac3 - <unknown>
[INFO] [stdout]   45:     0x721e9c20da04 - clone
[INFO] [stdout]   46:                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 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b38661752d8621f501ccd56f798cda4c4d94f6fea2c02fc0c4c6558e554b1dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38661752d8621f501ccd56f798cda4c4d94f6fea2c02fc0c4c6558e554b1dc4", kill_on_drop: false }`
[INFO] [stdout] b38661752d8621f501ccd56f798cda4c4d94f6fea2c02fc0c4c6558e554b1dc4
