[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#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcohara%2Frusrat" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gcohara/rusrat on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e0b11608109748e1d493a4886c793683ae0bb579216d806cb557ddb44acf332
[INFO] running `Command { std: "docker" "start" "-a" "5e0b11608109748e1d493a4886c793683ae0bb579216d806cb557ddb44acf332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e0b11608109748e1d493a4886c793683ae0bb579216d806cb557ddb44acf332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0b11608109748e1d493a4886c793683ae0bb579216d806cb557ddb44acf332", kill_on_drop: false }`
[INFO] [stdout] 5e0b11608109748e1d493a4886c793683ae0bb579216d806cb557ddb44acf332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410230b3c9d3e4b36e59ed9d1dfd7dac1b52c144791c52f47645c32a2134e355
[INFO] running `Command { std: "docker" "start" "-a" "410230b3c9d3e4b36e59ed9d1dfd7dac1b52c144791c52f47645c32a2134e355", 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 crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[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 15.49s
[INFO] running `Command { std: "docker" "inspect" "410230b3c9d3e4b36e59ed9d1dfd7dac1b52c144791c52f47645c32a2134e355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410230b3c9d3e4b36e59ed9d1dfd7dac1b52c144791c52f47645c32a2134e355", kill_on_drop: false }`
[INFO] [stdout] 410230b3c9d3e4b36e59ed9d1dfd7dac1b52c144791c52f47645c32a2134e355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbaf40e43f9b7cfe99f24e6224290cbe33d9d845a8fb2890c0c773c45e570ab
[INFO] running `Command { std: "docker" "start" "-a" "4bbaf40e43f9b7cfe99f24e6224290cbe33d9d845a8fb2890c0c773c45e570ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "4bbaf40e43f9b7cfe99f24e6224290cbe33d9d845a8fb2890c0c773c45e570ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbaf40e43f9b7cfe99f24e6224290cbe33d9d845a8fb2890c0c773c45e570ab", kill_on_drop: false }`
[INFO] [stdout] 4bbaf40e43f9b7cfe99f24e6224290cbe33d9d845a8fb2890c0c773c45e570ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6409b157985c8a16aab84b38f82dd1d800c75726fdeda0bf2cd361f844e9f102
[INFO] running `Command { std: "docker" "start" "-a" "6409b157985c8a16aab84b38f82dd1d800c75726fdeda0bf2cd361f844e9f102", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusrat-739bb51ab944df47)
[INFO] [stdout] running 140 tests
[INFO] [stdout] test canvas::tests::add_colours ... ok
[INFO] [stdout] test canvas::tests::multiply_colour_by_scalar ... 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::ppm_header_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::lighting_with_light_behind_surface ... ok
[INFO] [stdout] test lighting::tests::hit_on_inside_of_shape ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_nothing_between_point_and_light ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_object_behind_light ... ok
[INFO] [stdout] test lighting::tests::no_shadow_when_object_behind_point ... ok
[INFO] [stdout] test lighting::tests::colour_at_mutually_recursive_surfaces ... ok
[INFO] [stdout] test lighting::tests::precomputating_state_of_intersection ... ok
[INFO] [stdout] test lighting::tests::colour_intersection_behind_ray ... ok
[INFO] [stdout] test lighting::tests::hit_on_outside_of_shape ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface ... ok
[INFO] [stdout] test lighting::tests::finding_n1_and_n2_at_various_intersections ... ok
[INFO] [stdout] test lighting::tests::eye_in_path_of_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::eye_between_light_and_surface_eye_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::precomputing_reflection_vector ... ok
[INFO] [stdout] test lighting::tests::ray_miss_colour ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_at_max_recursion ... ok
[INFO] [stdout] test lighting::tests::shade_hit_with_reflective_material ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_nonreflective_material ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_opaque_surface ... ok
[INFO] [stdout] test lighting::tests::ray_hit_colour ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_when_total_internal_reflection ... ok
[INFO] [stdout] test lighting::tests::refracted_colour_with_refracted_ray ... ok
[INFO] [stdout] test lighting::tests::reflected_colour_for_reflective_material ... ok
[INFO] [stdout] test lighting::tests::eye_opposite_surface_light_offset_45deg ... ok
[INFO] [stdout] test lighting::tests::shadow_when_object_between_point_and_light ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_under_total_internal_reflection ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection_from_inside ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_perpendicular_viewing_angle ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_3x3 ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_4x4 ... ok
[INFO] [stdout] test matrices::tests::inverse_scale_vector ... ok
[INFO] [stdout] test lighting::tests::shading_an_intersection ... ok
[INFO] [stdout] test matrices::tests::determinant_2x2 ... ok
[INFO] [stdout] test matrices::tests::determinant_3x3 ... ok
[INFO] [stdout] test matrices::tests::cofactor_3x3 ... ok
[INFO] [stdout] test matrices::tests::determinant_4x4 ... ok
[INFO] [stdout] test matrices::tests::invertibility_check ... ok
[INFO] [stdout] test matrices::tests::matrix_equality ... ok
[INFO] [stdout] test matrices::tests::inverse_translate_point ... ok
[INFO] [stdout] test matrices::tests::invert_4x4_matrix ... ok
[INFO] [stdout] test lighting::tests::shlick_approximation_small_angle_n2_gt_n1 ... ok
[INFO] [stdout] test matrices::tests::minor_3x3 ... ok
[INFO] [stdout] test matrices::tests::multiply_matrix_by_tuple ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_y_axis ... ok
[INFO] [stdout] test matrices::tests::scale_vector ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_z_axis ... ok
[INFO] [stdout] test matrices::tests::submatrix_3x3 ... ok
[INFO] [stdout] test matrices::tests::scale_point ... ok
[INFO] [stdout] test matrices::tests::shearing ... ok
[INFO] [stdout] test matrices::tests::submatrix_4x4 ... ok
[INFO] [stdout] test matrices::tests::translate_point ... 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::hit_point_when_t_both_positive ... ok
[INFO] [stdout] test matrices::tests::matrix_inequality ... ok
[INFO] [stdout] test matrices::tests::matrix_multiplication ... ok
[INFO] [stdout] test matrices::tests::transformation_sequence ... ok
[INFO] [stdout] test rays::tests::intersecting_scaled_sphere_with_ray ... ok
[INFO] [stdout] test matrices::tests::rotate_point_about_x_axis ... ok
[INFO] [stdout] test rays::tests::intersecting_translated_sphere_with_ray ... ok
[INFO] [stdout] test matrices::tests::translation_doesnt_change_vector ... ok
[INFO] [stdout] test rays::tests::scaling_a_ray ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_two_points ... ok
[INFO] [stdout] test rays::tests::translating_a_ray ... ok
[INFO] [stdout] test rays::tests::ray_originates_inside_sphere ... ok
[INFO] [stdout] test matrices::tests::transpose_matrix ... ok
[INFO] [stdout] test rays::tests::sphere_intersect_fn_returns_intersects_with_correct_sphere ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_x ... ok
[INFO] [stdout] test rays::tests::ray_misses_sphere ... ok
[INFO] [stdout] test shapes::tests::checks_repeat_in_y ... ok
[INFO] [stdout] test rays::tests::sphere_is_behind_ray ... 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 shapes::tests::normal_of_rotated_plane ... ok
[INFO] [stdout] test shapes::tests::intersection_with_ray_parallel_to_plane ... ok
[INFO] [stdout] test shapes::tests::normal_of_plane ... ok
[INFO] [stdout] test shapes::tests::lighting_with_pattern ... ok
[INFO] [stdout] test shapes::tests::normal_of_transformed_sphere ... 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::ray_intersecting_transformed_plane ... ok
[INFO] [stdout] test shapes::tests::stripe_pattern_changes_in_x ... 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::stripes_with_pattern_and_object_transformation ... ok
[INFO] [stdout] test shapes::tests::normal_of_translated_sphere ... ok
[INFO] [stdout] test shapes::tests::stripes_with_object_transformation ... ok
[INFO] [stdout] test matrices::tests::construct_and_inspect_2x2 ... ok
[INFO] [stdout] test tuple::tests::add_tuples ... ok
[INFO] [stdout] test rays::tests::ray_intersecting_sphere_at_tangent ... ok
[INFO] [stdout] test tuple::tests::cross_product ... ok
[INFO] [stdout] test shapes::tests::normal_of_sphere ... ok
[INFO] [stdout] test shapes::tests::stripes_with_pattern_transformation ... ok
[INFO] [stdout] test tuple::tests::new_point_works ... ok
[INFO] [stdout] test tuple::tests::cross_product_produces_negations ... 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::dot_product ... ok
[INFO] [stdout] test tuple::tests::reflecting_a_vector_about_normal ... 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::magnitude_of_vector ... ok
[INFO] [stdout] test tuple::tests::new_vector_works ... ok
[INFO] [stdout] test tuple::tests::sub_two_points ... ok
[INFO] [stdout] test tuple::tests::negate_tuple ... ok
[INFO] [stdout] test tuple::tests::tuple_with_4th_eq_0_is_vector ... ok
[INFO] [stdout] test tuple::tests::scalar_mult ... 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 tuple::tests::sub_two_vector ... ok
[INFO] [stdout] test world::tests::default_view_transformation ... ok
[INFO] [stdout] test world::tests::ray_through_centre_of_canvas ... ok
[INFO] [stdout] test world::tests::view_transform_positive_z_direction ... ok
[INFO] [stdout] test tuple::tests::sub_vector_from_point ... ok
[INFO] [stdout] test world::tests::ray_through_corner_of_canvas ... ok
[INFO] [stdout] test world::tests::camera_pixel_size_horizontal ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_rotation ... ok
[INFO] [stdout] test world::tests::view_transform_moves_world ... ok
[INFO] [stdout] test world::tests::ray_when_camera_transformed ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_translation ... ok
[INFO] [stdout] test world::tests::intersect_world_with_ray ... ok
[INFO] [stdout] test yaml::tests::reads_in_light ... 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_sphere_with_no_transform ... ok
[INFO] [stdout] test yaml::tests::reads_in_camera ... ok
[INFO] [stdout] test yaml::tests::reads_in_a_world ... ok
[INFO] [stdout] test world::tests::arbitrary_view_transform ... ok
[INFO] [stdout] test lighting::tests::lighting_surface_in_shadow ... 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' (30) 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:     0x5dddf701a0c2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dddf701a0c2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dddf701a0c2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5dddf701a0c2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5dddf70301ca - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5dddf70301ca - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5dddf701f106 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dddf701f106 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5dddf6ff80ef - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5dddf6ff80ef - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5dddf7011f79 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5dddf6f2448e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5dddf6f2448e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dddf70121e2 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5dddf70121e2 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5dddf6ff81a8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5dddf6fed369 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5dddf6ff8ffd - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5dddf70308dc - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5dddf7030652 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5dddf6f0617e - <core[585f66e14d78f9ba]::result::Result<std[3f03f8b59f91bef1]::fs::File, std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5dddf6f0617e - <rusrat[df2e02b7ec2589d5]::canvas::Canvas>::write_out_as_ppm_file
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:121:54
[INFO] [stdout]   22:     0x5dddf6f09d80 - rusrat[df2e02b7ec2589d5]::canvas::tests::save_ppm_file
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:209:11
[INFO] [stdout]   23:     0x5dddf6f05827 - rusrat[df2e02b7ec2589d5]::canvas::tests::save_ppm_file::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/canvas.rs:201:23
[INFO] [stdout]   24:     0x5dddf6f11326 - <rusrat[df2e02b7ec2589d5]::canvas::tests::save_ppm_file::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dddf6f1883b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5dddf6f1883b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5dddf6f2509a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5dddf6f2509a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5dddf6f2509a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5dddf6f2509a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5dddf6f2509a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5dddf6f2509a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5dddf6f2509a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5dddf6f1f564 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5dddf6f1f564 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5dddf6f27b92 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5dddf6f27b92 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5dddf6f27b92 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5dddf6f27b92 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5dddf6f27b92 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5dddf6f27b92 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5dddf6f27b92 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5dddf701992f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5dddf701992f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x706bfe17faa4 - <unknown>
[INFO] [stdout]   46:     0x706bfe20ca64 - 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 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rusrat`
[INFO] running `Command { std: "docker" "inspect" "6409b157985c8a16aab84b38f82dd1d800c75726fdeda0bf2cd361f844e9f102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6409b157985c8a16aab84b38f82dd1d800c75726fdeda0bf2cd361f844e9f102", kill_on_drop: false }`
[INFO] [stdout] 6409b157985c8a16aab84b38f82dd1d800c75726fdeda0bf2cd361f844e9f102
