[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 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%2Fgcohara%2Frusrat" "/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/gcohara/rusrat 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/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-7-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtoa v0.4.7
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f9f38629d8f6e9411261b2f3ea9b6b2766c91c0560c286782d22864feb18f9
[INFO] running `Command { std: "docker" "start" "-a" "26f9f38629d8f6e9411261b2f3ea9b6b2766c91c0560c286782d22864feb18f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f9f38629d8f6e9411261b2f3ea9b6b2766c91c0560c286782d22864feb18f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f9f38629d8f6e9411261b2f3ea9b6b2766c91c0560c286782d22864feb18f9", kill_on_drop: false }`
[INFO] [stdout] 26f9f38629d8f6e9411261b2f3ea9b6b2766c91c0560c286782d22864feb18f9
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84f34df9b9f888e938e277aa81c8cd1f816ff4488f901c8d7ba43862eab8ea42
[INFO] running `Command { std: "docker" "start" "-a" "84f34df9b9f888e938e277aa81c8cd1f816ff4488f901c8d7ba43862eab8ea42", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.103
[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 either v1.6.1
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling rusrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `Command { std: "docker" "inspect" "84f34df9b9f888e938e277aa81c8cd1f816ff4488f901c8d7ba43862eab8ea42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f34df9b9f888e938e277aa81c8cd1f816ff4488f901c8d7ba43862eab8ea42", kill_on_drop: false }`
[INFO] [stdout] 84f34df9b9f888e938e277aa81c8cd1f816ff4488f901c8d7ba43862eab8ea42
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6b5fd41e835d6242da90b260f0c3c279eac4b368158a1aaa90f91399a3c649
[INFO] running `Command { std: "docker" "start" "-a" "1b6b5fd41e835d6242da90b260f0c3c279eac4b368158a1aaa90f91399a3c649", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "1b6b5fd41e835d6242da90b260f0c3c279eac4b368158a1aaa90f91399a3c649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6b5fd41e835d6242da90b260f0c3c279eac4b368158a1aaa90f91399a3c649", kill_on_drop: false }`
[INFO] [stdout] 1b6b5fd41e835d6242da90b260f0c3c279eac4b368158a1aaa90f91399a3c649
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6a809ecdf25b687bed6e866784da442520ceaa7fecdd04e6a47ff740eeb66f2
[INFO] running `Command { std: "docker" "start" "-a" "a6a809ecdf25b687bed6e866784da442520ceaa7fecdd04e6a47ff740eeb66f2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusrat-f41d6fc8873173ae)
[INFO] [stdout] 
[INFO] [stdout] running 140 tests
[INFO] [stdout] test canvas::tests::multiply_colour_by_scalar ... ok
[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::write_colour_to_canvas ... ok
[INFO] [stdout] test canvas::tests::ppm_header_is_correct ... ok
[INFO] [stdout] test canvas::tests::subtract_colours ... ok
[INFO] [stdout] test lighting::tests::colour_at_mutually_recursive_surfaces ... ok
[INFO] [stdout] test lighting::tests::colour_intersection_behind_ray ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface ... ok
[INFO] [stdout] test lighting::tests::hit_on_outside_of_shape ... ok
[INFO] [stdout] test lighting::tests::lighting_with_light_behind_surface ... ok
[INFO] [stdout] test lighting::tests::eye_in_path_of_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_object_behind_light ... ok
[INFO] [stdout] test lighting::tests::eye_opposite_surface_light_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_nonreflective_material ... ok
[INFO] [stdout] test lighting::tests::hit_on_inside_of_shape ... 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::no_shadow_when_object_behind_point ... ok
[INFO] [stdout] test lighting::tests::precomputating_state_of_intersection ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface_eye_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::ray_miss_colour ... ok
[INFO] [stdout] test lighting::tests::precomputing_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_at_max_recursion ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_when_total_internal_reflection ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_nothing_between_point_and_light ... ok
[INFO] [stdout] test matrices::tests::cofactor_3x3 ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_under_total_internal_reflection ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_reflective_material ... ok
[INFO] [stdout] test lighting::tests::shade_hit_with_reflective_material ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_small_angle_n2_gt_n1 ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection_from_inside ... ok
[INFO] [stdout] test lighting::tests::shadow_when_object_between_point_and_light ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_perpendicular_viewing_angle ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_2x2 ... 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 matrices::tests::construct_and_inspect_3x3 ... ok
[INFO] [stdout] test matrices::tests::determinant_4x4 ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_opaque_surface ... ok
[INFO] [stdout] test matrices::tests::inverse_scale_vector ... ok
[INFO] [stdout] test matrices::tests::invertibility_check ... ok
[INFO] [stdout] test matrices::tests::invert_4x4_matrix ... ok
[INFO] [stdout] test matrices::tests::matrix_inequality ... ok
[INFO] [stdout] test matrices::tests::matrix_multiplication ... ok
[INFO] [stdout] test matrices::tests::inverse_translate_point ... ok
[INFO] [stdout] test matrices::tests::minor_3x3 ... ok
[INFO] [stdout] test matrices::tests::scale_vector ... ok
[INFO] [stdout] test matrices::tests::multiply_matrix_by_tuple ... ok
[INFO] [stdout] test matrices::tests::shearing ... ok
[INFO] [stdout] test lighting::tests::ray_hit_colour ... ok
[INFO] [stdout] test matrices::tests::scale_point ... 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::rotate_point_about_x_axis ... ok
[INFO] [stdout] test matrices::tests::matrix_equality ... ok
[INFO] [stdout] test matrices::tests::translation_doesnt_change_vector ... ok
[INFO] [stdout] test matrices::tests::transpose_matrix ... 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::intersecting_scaled_sphere_with_ray ... ok
[INFO] [stdout] test rays::tests::intersecting_translated_sphere_with_ray ... ok
[INFO] [stdout] test matrices::tests::submatrix_4x4 ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_z_axis ... ok
[INFO] [stdout] test matrices::tests::transformation_sequence ... ok
[INFO] [stdout] test matrices::tests::translate_point ... ok
[INFO] [stdout] test rays::tests::hit_point_when_t_both_positive ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_tangent ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_two_points ... ok
[INFO] [stdout] test rays::tests::ray_originates_inside_sphere ... ok
[INFO] [stdout] test rays::tests::translating_a_ray ... ok
[INFO] [stdout] test rays::tests::sphere_is_behind_ray ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_with_refracted_ray ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_x ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_y ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_z ... ok
[INFO] [stdout] test shapes::tests::intersection_with_ray_coplanar_to_plane ... ok
[INFO] [stdout] test rays::tests::scaling_a_ray ... ok
[INFO] [stdout] test rays::tests::ray_misses_sphere ... ok
[INFO] [stdout] test rays::tests::sphere_intersect_fn_returns_intersects_with_correct_sphere ... ok
[INFO] [stdout] test shapes::tests::intersection_with_ray_parallel_to_plane ... ok
[INFO] [stdout] test shapes::tests::lighting_with_pattern ... ok
[INFO] [stdout] test shapes::tests::normal_of_plane ... ok
[INFO] [stdout] test shapes::tests::normal_of_sphere ... ok
[INFO] [stdout] test shapes::tests::normal_of_rotated_plane ... 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::stripe_pattern_changes_in_x ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_plane_from_above ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_plane_from_below ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_constant_in_y ... ok
[INFO] [stdout] test tuple::tests::dot_product ... ok
[INFO] [stdout] test tuple::tests::magnitude_of_vector ... ok
[INFO] [stdout] test tuple::tests::negate_tuple ... ok
[INFO] [stdout] test tuple::tests::new_point_works ... ok
[INFO] [stdout] test tuple::tests::normalise_vector ... ok
[INFO] [stdout] test tuple::tests::normalise_vector_has_mag_1 ... ok
[INFO] [stdout] test shapes::tests::stripes_with_pattern_and_object_transformation ... ok
[INFO] [stdout] test tuple::tests::reflecting_a_vector_about_normal ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_constant_in_z ... ok
[INFO] [stdout] test tuple::tests::reflecting_a_vector_about_normal_again ... ok
[INFO] [stdout] test tuple::tests::cross_product_produces_negations ... ok
[INFO] [stdout] test tuple::tests::add_tuples ... ok
[INFO] [stdout] test shapes::tests::stripes_with_pattern_transformation ... ok
[INFO] [stdout] test tuple::tests::sub_vector_from_point ... ok
[INFO] [stdout] test tuple::tests::sub_two_points ... ok
[INFO] [stdout] test tuple::tests::sub_two_vector ... ok
[INFO] [stdout] test tuple::tests::cross_product ... ok
[INFO] [stdout] test tuple::tests::scalar_mult ... ok
[INFO] [stdout] test tuple::tests::tuple_with_4th_eq_0_is_vector ... ok
[INFO] [stdout] test tuple::tests::scalar_mult_by_fraction ... ok
[INFO] [stdout] test world::tests::default_view_transformation ... ok
[INFO] [stdout] test world::tests::arbitrary_view_transform ... ok
[INFO] [stdout] test world::tests::ray_through_corner_of_canvas ... ok
[INFO] [stdout] test tuple::tests::tuple_with_4th_eq_1_is_point ... ok
[INFO] [stdout] test world::tests::camera_pixel_size_vertical ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_sphere ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_sphere_with_no_transform ... ok
[INFO] [stdout] test world::tests::intersect_world_with_ray ... ok
[INFO] [stdout] test world::tests::camera_pixel_size_horizontal ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_translation ... ok
[INFO] [stdout] test world::tests::ray_through_centre_of_canvas ... ok
[INFO] [stdout] test world::tests::view_transform_moves_world ... ok
[INFO] [stdout] test shapes::tests::ray_intersecting_transformed_plane ... ok
[INFO] [stdout] test yaml::tests::reads_in_camera ... ok
[INFO] [stdout] test shapes::tests::stripes_with_object_transformation ... ok
[INFO] [stdout] test tuple::tests::new_vector_works ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_rotation ... ok
[INFO] [stdout] test world::tests::view_transform_positive_z_direction ... ok
[INFO] [stdout] test world::tests::ray_when_camera_transformed ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_world ... ok
[INFO] [stdout] test yaml::tests::reads_in_light ... ok
[INFO] [stdout] test yaml::tests::reads_in_several_transforms ... 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] thread 'canvas::tests::save_ppm_file' 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:     0x5dd0db8ce24a - 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:     0x5dd0db8ce24a - 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:     0x5dd0db8ce24a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5dd0db8ce24a - <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:     0x5dd0db8f4fa3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5dd0db8f4fa3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5dd0db8cb203 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5dd0db8ce092 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5dd0db8cf6aa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5dd0db8cf4b4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5dd0db808389 - <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:     0x5dd0db808389 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5dd0db8cfd48 - <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:     0x5dd0db8cfd48 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5dd0db8cfb0a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5dd0db8ce729 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5dd0db8cf79c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5dd0db795aa0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5dd0db795f26 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5dd0db7c9dcc - core::result::Result<T,E>::unwrap::h92c2ee0f76cd1752
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5dd0db7c9dcc - rusrat::canvas::Canvas::write_out_as_ppm_file::h760049b63d35eb82
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:121:27
[INFO] [stdout]   21:     0x5dd0db7b1fb2 - rusrat::canvas::tests::save_ppm_file::hf08e486da430b469
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:209:9
[INFO] [stdout]   22:     0x5dd0db7b1e57 - rusrat::canvas::tests::save_ppm_file::{{closure}}::h6811f1ff126f5e49
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:201:23
[INFO] [stdout]   23:     0x5dd0db7bfdd6 - core::ops::function::FnOnce::call_once::ha1a1376225468922
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5dd0db80cd4b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dd0db80cd4b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5dd0db80c587 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5dd0db80c587 - <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]   28:     0x5dd0db80c587 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x5dd0db80c587 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x5dd0db80c587 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x5dd0db80c587 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5dd0db80c587 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x5dd0db7d1864 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5dd0db7d1864 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x5dd0db7d4f2e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x5dd0db7d4f2e - <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]   37:     0x5dd0db7d4f2e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x5dd0db7d4f2e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x5dd0db7d4f2e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x5dd0db7d4f2e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x5dd0db7d4f2e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5dd0db8d3bab - <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]   43:     0x5dd0db8d3bab - <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]   44:     0x5dd0db8d3bab - 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]   45:     0x7d209b3e7ac3 - <unknown>
[INFO] [stdout]   46:     0x7d209b478a04 - 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 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rusrat`
[INFO] running `Command { std: "docker" "inspect" "a6a809ecdf25b687bed6e866784da442520ceaa7fecdd04e6a47ff740eeb66f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a809ecdf25b687bed6e866784da442520ceaa7fecdd04e6a47ff740eeb66f2", kill_on_drop: false }`
[INFO] [stdout] a6a809ecdf25b687bed6e866784da442520ceaa7fecdd04e6a47ff740eeb66f2
