[INFO] cloning repository https://github.com/gcohara/rusrat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcohara/rusrat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcohara%2Frusrat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcohara%2Frusrat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 598aa02194fa2e27cfd81a797f73e4f1b23d60f8
[INFO] testing gcohara/rusrat against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcohara%2Frusrat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gcohara/rusrat
[INFO] finished tweaking git repo https://github.com/gcohara/rusrat
[INFO] tweaked toml for git repo https://github.com/gcohara/rusrat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gcohara/rusrat on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gcohara/rusrat 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7db29a9df824c093727561c4e53abbf21276f9f4bd798f3bee2e2cd2e7134a3
[INFO] running `Command { std: "docker" "start" "-a" "f7db29a9df824c093727561c4e53abbf21276f9f4bd798f3bee2e2cd2e7134a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7db29a9df824c093727561c4e53abbf21276f9f4bd798f3bee2e2cd2e7134a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7db29a9df824c093727561c4e53abbf21276f9f4bd798f3bee2e2cd2e7134a3", kill_on_drop: false }`
[INFO] [stdout] f7db29a9df824c093727561c4e53abbf21276f9f4bd798f3bee2e2cd2e7134a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28920ce18ca17a49e6770bd38613d2c3e4c1a61bdfffdd848fd9f6adf7b76dd
[INFO] running `Command { std: "docker" "start" "-a" "e28920ce18ca17a49e6770bd38613d2c3e4c1a61bdfffdd848fd9f6adf7b76dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling rusrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.58s
[INFO] running `Command { std: "docker" "inspect" "e28920ce18ca17a49e6770bd38613d2c3e4c1a61bdfffdd848fd9f6adf7b76dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28920ce18ca17a49e6770bd38613d2c3e4c1a61bdfffdd848fd9f6adf7b76dd", kill_on_drop: false }`
[INFO] [stdout] e28920ce18ca17a49e6770bd38613d2c3e4c1a61bdfffdd848fd9f6adf7b76dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66a7155a7f78024c3756985a9855995c3c8bb367af42a747100aa3f6e5536b55
[INFO] running `Command { std: "docker" "start" "-a" "66a7155a7f78024c3756985a9855995c3c8bb367af42a747100aa3f6e5536b55", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "66a7155a7f78024c3756985a9855995c3c8bb367af42a747100aa3f6e5536b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a7155a7f78024c3756985a9855995c3c8bb367af42a747100aa3f6e5536b55", kill_on_drop: false }`
[INFO] [stdout] 66a7155a7f78024c3756985a9855995c3c8bb367af42a747100aa3f6e5536b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 900e13ef8138a8f0d3d7d7afdf1eb69f62133cf70e8b82be8487ce32cc622db8
[INFO] running `Command { std: "docker" "start" "-a" "900e13ef8138a8f0d3d7d7afdf1eb69f62133cf70e8b82be8487ce32cc622db8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusrat-7e8a8f5191c4bc0e)
[INFO] [stdout] 
[INFO] [stdout] running 140 tests
[INFO] [stdout] test canvas::tests::add_colours ... ok
[INFO] [stdout] test canvas::tests::multiply_colours ... ok
[INFO] [stdout] test canvas::tests::ppm_pixel_data_is_correct ... ok
[INFO] [stdout] test canvas::tests::subtract_colours ... ok
[INFO] [stdout] test canvas::tests::write_colour_to_canvas ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface_eye_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::colour_intersection_behind_ray ... ok
[INFO] [stdout] test canvas::tests::ppm_header_is_correct ... ok
[INFO] [stdout] test lighting::tests::eye_opposite_surface_light_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::lighting_with_light_behind_surface ... ok
[INFO] [stdout] test lighting::tests::hit_on_inside_of_shape ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface ... ok
[INFO] [stdout] test canvas::tests::multiply_colour_by_scalar ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_nothing_between_point_and_light ... ok
[INFO] [stdout] test lighting::tests::precomputing_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_object_behind_light ... ok
[INFO] [stdout] test lighting::tests::precomputating_state_of_intersection ... ok
[INFO] [stdout] test lighting::tests::ray_hit_colour ... ok
[INFO] [stdout] test lighting::tests::colour_at_mutually_recursive_surfaces ... ok
[INFO] [stdout] test lighting::tests::hit_on_outside_of_shape ... ok
[INFO] [stdout] test lighting::tests::ray_miss_colour ... ok
[INFO] [stdout] test lighting::tests::lighting_surface_in_shadow ... ok
[INFO] [stdout] test lighting::tests::finding_n1_and_n2_at_various_intersections ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_at_max_recursion ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection_from_inside ... ok
[INFO] [stdout] test lighting::tests::eye_in_path_of_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_object_behind_point ... ok
[INFO] [stdout] test matrices::tests::cofactor_3x3 ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_perpendicular_viewing_angle ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_4x4 ... ok
[INFO] [stdout] test matrices::tests::determinant_2x2 ... ok
[INFO] [stdout] test matrices::tests::determinant_3x3 ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_under_total_internal_reflection ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_2x2 ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_3x3 ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_small_angle_n2_gt_n1 ... ok
[INFO] [stdout] test lighting::tests::shadow_when_object_between_point_and_light ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_opaque_surface ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_when_total_internal_reflection ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_reflective_material ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_nonreflective_material ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_with_refracted_ray ... ok
[INFO] [stdout] test matrices::tests::determinant_4x4 ... ok
[INFO] [stdout] test lighting::tests::shade_hit_with_reflective_material ... ok
[INFO] [stdout] test matrices::tests::inverse_translate_point ... ok
[INFO] [stdout] test matrices::tests::invertibility_check ... ok
[INFO] [stdout] test matrices::tests::matrix_inequality ... ok
[INFO] [stdout] test matrices::tests::inverse_scale_vector ... ok
[INFO] [stdout] test matrices::tests::matrix_multiplication ... ok
[INFO] [stdout] test matrices::tests::invert_4x4_matrix ... ok
[INFO] [stdout] test matrices::tests::minor_3x3 ... ok
[INFO] [stdout] test matrices::tests::matrix_equality ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_z_axis ... ok
[INFO] [stdout] test matrices::tests::scale_point ... ok
[INFO] [stdout] test matrices::tests::scale_vector ... ok
[INFO] [stdout] test matrices::tests::submatrix_4x4 ... ok
[INFO] [stdout] test matrices::tests::transformation_sequence ... ok
[INFO] [stdout] test matrices::tests::translation_doesnt_change_vector ... ok
[INFO] [stdout] test matrices::tests::multiply_matrix_by_tuple ... ok
[INFO] [stdout] test matrices::tests::submatrix_3x3 ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_y_axis ... ok
[INFO] [stdout] test matrices::tests::transpose_matrix ... ok
[INFO] [stdout] test matrices::tests::shearing ... ok
[INFO] [stdout] test matrices::tests::translate_point ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_x_axis ... ok
[INFO] [stdout] test rays::tests::changing_a_spheres_transformation ... ok
[INFO] [stdout] test rays::tests::computing_point_from_distance ... ok
[INFO] [stdout] test rays::tests::hit_point_when_one_t_negative ... ok
[INFO] [stdout] test rays::tests::hit_point_when_t_both_negative ... ok
[INFO] [stdout] test rays::tests::ray_misses_sphere ... ok
[INFO] [stdout] test rays::tests::scaling_a_ray ... ok
[INFO] [stdout] test rays::tests::hit_point_when_t_both_positive ... ok
[INFO] [stdout] test rays::tests::sphere_intersect_fn_returns_intersects_with_correct_sphere ... ok
[INFO] [stdout] test rays::tests::sphere_is_behind_ray ... ok
[INFO] [stdout] test rays::tests::intersecting_scaled_sphere_with_ray ... ok
[INFO] [stdout] test rays::tests::ray_originates_inside_sphere ... ok
[INFO] [stdout] test rays::tests::intersecting_translated_sphere_with_ray ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_two_points ... ok
[INFO] [stdout] test shapes::tests::lighting_with_pattern ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_x ... ok
[INFO] [stdout] test rays::tests::translating_a_ray ... ok
[INFO] [stdout] test shapes::tests::normal_of_rotated_plane ... ok
[INFO] [stdout] test shapes::tests::normal_of_sphere ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_tangent ... ok
[INFO] [stdout] test shapes::tests::normal_of_transformed_sphere ... ok
[INFO] [stdout] test shapes::tests::normal_of_translated_sphere ... ok
[INFO] [stdout] test shapes::tests::normal_of_plane ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_changes_in_x ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_plane_from_above ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_z ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_transformed_plane ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_plane_from_below ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_y ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_constant_in_y ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_constant_in_z ... ok
[INFO] [stdout] test shapes::tests::intersection_with_ray_coplanar_to_plane ... ok
[INFO] [stdout] test shapes::tests::intersection_with_ray_parallel_to_plane ... ok
[INFO] [stdout] test shapes::tests::stripes_with_object_transformation ... ok
[INFO] [stdout] test shapes::tests::stripes_with_pattern_and_object_transformation ... ok
[INFO] [stdout] test tuple::tests::new_point_works ... ok
[INFO] [stdout] test tuple::tests::new_vector_works ... ok
[INFO] [stdout] test tuple::tests::negate_tuple ... ok
[INFO] [stdout] test shapes::tests::stripes_with_pattern_transformation ... ok
[INFO] [stdout] test tuple::tests::add_tuples ... ok
[INFO] [stdout] test tuple::tests::cross_product ... ok
[INFO] [stdout] test tuple::tests::cross_product_produces_negations ... ok
[INFO] [stdout] test tuple::tests::dot_product ... ok
[INFO] [stdout] test tuple::tests::magnitude_of_vector ... ok
[INFO] [stdout] test tuple::tests::normalise_vector ... ok
[INFO] [stdout] test tuple::tests::normalise_vector_has_mag_1 ... ok
[INFO] [stdout] test tuple::tests::reflecting_a_vector_about_normal ... ok
[INFO] [stdout] test tuple::tests::scalar_mult ... ok
[INFO] [stdout] test tuple::tests::reflecting_a_vector_about_normal_again ... ok
[INFO] [stdout] test tuple::tests::scalar_mult_by_fraction ... ok
[INFO] [stdout] test tuple::tests::sub_two_points ... ok
[INFO] [stdout] test tuple::tests::sub_two_vector ... ok
[INFO] [stdout] test tuple::tests::tuple_with_4th_eq_0_is_vector ... ok
[INFO] [stdout] test tuple::tests::tuple_with_4th_eq_1_is_point ... ok
[INFO] [stdout] test tuple::tests::sub_vector_from_point ... ok
[INFO] [stdout] test world::tests::camera_pixel_size_horizontal ... ok
[INFO] [stdout] test world::tests::camera_pixel_size_vertical ... ok
[INFO] [stdout] test world::tests::default_view_transformation ... ok
[INFO] [stdout] test world::tests::intersect_world_with_ray ... ok
[INFO] [stdout] test world::tests::ray_through_centre_of_canvas ... ok
[INFO] [stdout] test world::tests::ray_through_corner_of_canvas ... ok
[INFO] [stdout] test world::tests::arbitrary_view_transform ... ok
[INFO] [stdout] test world::tests::ray_when_camera_transformed ... ok
[INFO] [stdout] test world::tests::view_transform_moves_world ... ok
[INFO] [stdout] test world::tests::view_transform_positive_z_direction ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_rotation ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_translation ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_sphere_with_no_transform ... ok
[INFO] [stdout] test yaml::tests::reads_in_several_transforms ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_sphere ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_world ... ok
[INFO] [stdout] test yaml::tests::reads_in_camera ... ok
[INFO] [stdout] test yaml::tests::reads_in_light ... ok
[INFO] [stdout] test canvas::tests::save_ppm_file ... FAILED
[INFO] [stdout] test world::tests::rendering_world_with_camera ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- canvas::tests::save_ppm_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'canvas::tests::save_ppm_file' (29) panicked at src/canvas.rs:121:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6308263c0a92 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6308263c0a92 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6308263c0a92 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6308263c0a92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6308263d11ff - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6308263d11ff - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x63082638db23 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63082638db23 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6308263999e2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x63082639ea8f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x63082639e921 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x6308262d4f6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x6308262d4f6e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x63082639f14f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x63082639f14f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x63082639eefa - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x630826399b19 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x63082638227d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x6308263dad60 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6308263da326 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x63082629da8e - core::result::Result<T,E>::unwrap::hcc53901ab7c021b2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x63082629da8e - rusrat::canvas::Canvas::write_out_as_ppm_file::hdcef41ca38b6bd93
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:121:54
[INFO] [stdout]   22:     0x63082629ce26 - rusrat::canvas::tests::save_ppm_file::h75cafd01453bfb35
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:209:11
[INFO] [stdout]   23:     0x63082629cec7 - rusrat::canvas::tests::save_ppm_file::{{closure}}::h8908cf8bc5da1d26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:201:23
[INFO] [stdout]   24:     0x6308262a1036 - core::ops::function::FnOnce::call_once::h006164c9baec2f14
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6308262d4d6b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x6308262d4d6b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x6308262e8dcd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x6308262e8dcd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x6308262e8dcd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x6308262e8dcd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x6308262e8dcd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x6308262e8dcd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x6308262e8dcd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x6308262c2314 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x6308262c2314 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x6308262c5b6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x6308262c5b6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x6308262c5b6a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x6308262c5b6a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x6308262c5b6a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x6308262c5b6a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x6308262c5b6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x630826394f1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x630826394f1f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x75e98b668aa4 - <unknown>
[INFO] [stdout]   46:     0x75e98b6f5a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     canvas::tests::save_ppm_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 139 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rusrat`
[INFO] running `Command { std: "docker" "inspect" "900e13ef8138a8f0d3d7d7afdf1eb69f62133cf70e8b82be8487ce32cc622db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900e13ef8138a8f0d3d7d7afdf1eb69f62133cf70e8b82be8487ce32cc622db8", kill_on_drop: false }`
[INFO] [stdout] 900e13ef8138a8f0d3d7d7afdf1eb69f62133cf70e8b82be8487ce32cc622db8
