[INFO] cloning repository https://github.com/romatthe/tracer-tong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romatthe/tracer-tong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftracer-tong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftracer-tong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c7c26c7addaf44e617285c94f2491cedbd79292
[INFO] testing romatthe/tracer-tong against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftracer-tong" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romatthe/tracer-tong on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romatthe/tracer-tong
[INFO] finished tweaking git repo https://github.com/romatthe/tracer-tong
[INFO] tweaked toml for git repo https://github.com/romatthe/tracer-tong written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/romatthe/tracer-tong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391b11b9c96656f6e6195a0a7575eee82c0871adfbe46d2073f3164c287e61b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "391b11b9c96656f6e6195a0a7575eee82c0871adfbe46d2073f3164c287e61b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391b11b9c96656f6e6195a0a7575eee82c0871adfbe46d2073f3164c287e61b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391b11b9c96656f6e6195a0a7575eee82c0871adfbe46d2073f3164c287e61b5", kill_on_drop: false }`
[INFO] [stdout] 391b11b9c96656f6e6195a0a7575eee82c0871adfbe46d2073f3164c287e61b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243d3add9c30665eb8f9fbfffc1af2960e163196b8d041d68096ef0db8d7d08a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "243d3add9c30665eb8f9fbfffc1af2960e163196b8d041d68096ef0db8d7d08a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer-tong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/core/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/core/matrix.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::core::tuple::{Tuple, vector};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_exe`
[INFO] [stdout]  --> src/core/matrix.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env::current_exe;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/core/matrix.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/core/matrix.rs:165:40
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/matrix.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut sub = Matrix3x3::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "243d3add9c30665eb8f9fbfffc1af2960e163196b8d041d68096ef0db8d7d08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243d3add9c30665eb8f9fbfffc1af2960e163196b8d041d68096ef0db8d7d08a", kill_on_drop: false }`
[INFO] [stdout] 243d3add9c30665eb8f9fbfffc1af2960e163196b8d041d68096ef0db8d7d08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2261ddbe194fbb4eb9bc20259edbb21fe832337870c60725b0b88aba94c73bed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2261ddbe194fbb4eb9bc20259edbb21fe832337870c60725b0b88aba94c73bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer-tong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]  --> src/core/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Mul;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector`
[INFO] [stdout]  --> src/core/matrix.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::core::tuple::{Tuple, vector};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_exe`
[INFO] [stdout]  --> src/core/matrix.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env::current_exe;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `point`, `vector`
[INFO] [stdout]    --> src/core/matrix.rs:246:30
[INFO] [stdout]     |
[INFO] [stdout] 246 |     use crate::core::tuple::{vector, point};
[INFO] [stdout]     |                              ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/core/matrix.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/core/matrix.rs:165:40
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/matrix.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut sub = Matrix3x3::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "2261ddbe194fbb4eb9bc20259edbb21fe832337870c60725b0b88aba94c73bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2261ddbe194fbb4eb9bc20259edbb21fe832337870c60725b0b88aba94c73bed", kill_on_drop: false }`
[INFO] [stdout] 2261ddbe194fbb4eb9bc20259edbb21fe832337870c60725b0b88aba94c73bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2696b62febba7d19c27e41d559b7ce0599cf0c67fa68eeea349fcca1612601ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2696b62febba7d19c27e41d559b7ce0599cf0c67fa68eeea349fcca1612601ab", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::Mul`
[INFO] [stderr]  --> src/core/matrix.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Mul;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vector`
[INFO] [stderr]  --> src/core/matrix.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::core::tuple::{Tuple, vector};
[INFO] [stderr]   |                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::current_exe`
[INFO] [stderr]  --> src/core/matrix.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::env::current_exe;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `point`, `vector`
[INFO] [stderr]    --> src/core/matrix.rs:246:30
[INFO] [stderr]     |
[INFO] [stderr] 246 |     use crate::core::tuple::{vector, point};
[INFO] [stderr]     |                              ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/core/matrix.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stderr]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/core/matrix.rs:165:40
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn sub_matrix(&self, x: usize, y: usize) -> Matrix3x3 {
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/core/matrix.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |         let mut sub = Matrix3x3::new();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer_tong-bea237198389d4a7
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test core::canvas::tests::creating_a_canvas ... ok
[INFO] [stdout] test core::canvas::tests::constructing_ppm_pixel_data_from_canvas ... ok
[INFO] [stdout] test core::canvas::tests::ppm_files_are_terminated_by_a_newline_character ... ok
[INFO] [stdout] test core::canvas::tests::canvas_as_ppm_header ... ok
[INFO] [stdout] test core::color::tests::adding_colors ... ok
[INFO] [stdout] test core::canvas::tests::splitting_long_lines_in_ppm_files ... ok
[INFO] [stdout] test core::color::tests::colors_are_red_green_blue_tuples ... ok
[INFO] [stdout] test core::color::tests::multiplying_colors_by_scalar ... ok
[INFO] [stdout] test core::color::tests::multiplying_colors ... ok
[INFO] [stdout] test core::color::tests::subtracting_colors ... ok
[INFO] [stdout] test core::canvas::tests::writing_pixels_to_a_canvas ... ok
[INFO] [stdout] test core::matrix::tests::constructing_and_inspecting_a_2x2_matrix ... ok
[INFO] [stdout] test core::matrix::tests::multiplying_a_matrix_by_a_tuple ... ok
[INFO] [stdout] test core::matrix::tests::matrix_equality_with_different_matrices ... ok
[INFO] [stdout] test core::matrix::tests::constructing_and_inspecting_a_3x3_matrix ... ok
[INFO] [stdout] test core::matrix::tests::multiplying_two_matrices ... ok
[INFO] [stdout] test core::matrix::tests::multiplying_a_matrix_by_the_identity_matrix ... ok
[INFO] [stdout] test core::matrix::tests::matrix_equality_with_identical_matrices ... ok
[INFO] [stdout] test core::matrix::tests::calculating_the_determinant_of_a_2x2_matrix ... ok
[INFO] [stdout] test core::matrix::tests::constructing_and_inspecting_a_4x4_matrix ... ok
[INFO] [stdout] test core::matrix::tests::transposing_a_matrix ... ok
[INFO] [stdout] test core::matrix::tests::transposing_the_identity_matrix ... ok
[INFO] [stdout] test core::tuple::tests::computing_the_magnitude_of_vector_1_0_0 ... ok
[INFO] [stdout] test core::tuple::tests::computing_the_magnitude_of_vector_1_2_3 ... ok
[INFO] [stdout] test core::tuple::tests::point_creates_tuple_with_w_one ... ok
[INFO] [stdout] test core::tuple::tests::cross_product_of_two_tuples ... ok
[INFO] [stdout] test core::tuple::tests::multiplying_a_vector_by_a_fraction ... ok
[INFO] [stdout] test core::tuple::tests::multiplying_a_vector_by_a_scalar ... ok
[INFO] [stdout] test core::tuple::tests::dividing_a_tuple_by_a_scalar ... ok
[INFO] [stdout] test core::tuple::tests::normalizing_vector_1_2_3 ... ok
[INFO] [stdout] test core::tuple::tests::negating_a_tuple ... ok
[INFO] [stdout] test core::tuple::tests::computing_the_magnitude_of_vector_minus_1_minus_2_minus_3 ... ok
[INFO] [stdout] test core::tuple::tests::dot_product_of_two_tuples ... ok
[INFO] [stdout] test core::tuple::tests::computing_the_magnitude_of_vector_0_1_0 ... ok
[INFO] [stdout] test core::tuple::tests::magnitude_of_a_normalized_vector ... ok
[INFO] [stdout] test core::tuple::tests::computing_the_magnitude_of_vector_0_0_1 ... ok
[INFO] [stdout] test core::tuple::tests::adding_two_tuples ... ok
[INFO] [stdout] test core::tuple::tests::point_creates_tuple_with_w_zero ... ok
[INFO] [stdout] test core::tuple::tests::tuple_with_w_one_is_a_point ... ok
[INFO] [stdout] test core::tuple::tests::subtracting_two_vectors ... ok
[INFO] [stdout] test core::tuple::tests::subtracting_a_vector_from_a_point ... ok
[INFO] [stdout] test core::tuple::tests::subtracting_two_tuples ... ok
[INFO] [stdout] test core::tuple::tests::subtracting_a_vector_from_the_zero_vector ... ok
[INFO] [stdout] test core::tuple::tests::tuple_with_w_zero_is_a_vector ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin tracer-tong'
[INFO] [stdout] test core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix ... FAILED
[INFO] [stdout] test core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix stdout ----
[INFO] [stdout] thread 'core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `Matrix2x2 { data: [[-3.0, 2.0], [0.0, 0.0]] }`,
[INFO] [stdout]  right: `Matrix2x2 { data: [[-3.0, 2.0], [0.0, 6.0]] }`', src/core/matrix.rs:471:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5628003cc480 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5628003cc480 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5628003cc480 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5628003cc480 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5628003ef23c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x562800375605 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x5628003c71f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x5628003ce900 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5628003ce900 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5628003ce900 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x5628003ce5f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x5628003cef63 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x5628003ceb39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x5628003cc90c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5628003ceaf9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x5628003ceaab - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x562800352cc2 - tracer_tong::core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix::hf80fe2a7f4173ddb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core/matrix.rs:471
[INFO] [stdout]   17:     0x56280035294a - tracer_tong::core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix::{{closure}}::h461c62e91f3e32ea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core/matrix.rs:454
[INFO] [stdout]   18:     0x56280036febe - core::ops::function::FnOnce::call_once::h9035a8d57a01d94e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x56280039dee3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x56280039dee3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   21:     0x56280039c3b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x56280039c3b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x56280039c3b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   24:     0x56280039c3b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   25:     0x56280039c3b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   26:     0x56280039c3b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   27:     0x56280039c3b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   28:     0x562800374a36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562800379c65 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   30:     0x562800379c65 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562800379c65 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   32:     0x562800379c65 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   33:     0x562800379c65 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   34:     0x562800379c65 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   35:     0x562800379c65 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5628003d571a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5628003d571a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5628003d571a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f7e0b74b609 - start_thread
[INFO] [stdout]   40:     0x7f7e0b657103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix stdout ----
[INFO] [stdout] thread 'core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `Matrix3x3 { data: [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]] }`,
[INFO] [stdout]  right: `Matrix3x3 { data: [[-6.0, 1.0, 6.0], [-8.0, 8.0, 6.0], [-7.0, -1.0, 1.0]] }`', src/core/matrix.rs:494:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5628003cc480 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5628003cc480 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5628003cc480 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5628003cc480 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5628003ef23c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x562800375605 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x5628003c71f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x5628003ce900 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5628003ce900 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5628003ce900 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x5628003ce5f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x5628003cef63 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x5628003ceb39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x5628003cc90c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5628003ceaf9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x5628003ceaab - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x5628003531b8 - tracer_tong::core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix::ha481cafe4288fa92
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core/matrix.rs:494
[INFO] [stdout]   17:     0x562800352cda - tracer_tong::core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix::{{closure}}::h75b080227ad64852
[INFO] [stdout]                                at /opt/rustwide/workdir/src/core/matrix.rs:475
[INFO] [stdout]   18:     0x56280036ff1e - core::ops::function::FnOnce::call_once::h952cccc69ebdebbe
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x56280039dee3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x56280039dee3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   21:     0x56280039c3b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x56280039c3b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x56280039c3b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   24:     0x56280039c3b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   25:     0x56280039c3b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   26:     0x56280039c3b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   27:     0x56280039c3b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   28:     0x562800374a36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562800379c65 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   30:     0x562800379c65 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562800379c65 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   32:     0x562800379c65 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   33:     0x562800379c65 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   34:     0x562800379c65 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   35:     0x562800379c65 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5628003d571a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5628003d571a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5628003d571a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f7e0b74b609 - start_thread
[INFO] [stdout]   40:     0x7f7e0b657103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     core::matrix::tests::the_sub_matrix_of_a_3x3_matrix_is_a_2x2_matrix
[INFO] [stdout]     core::matrix::tests::the_sub_matrix_of_a_4x4_matrix_is_a_3x3_matrix
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 44 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2696b62febba7d19c27e41d559b7ce0599cf0c67fa68eeea349fcca1612601ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2696b62febba7d19c27e41d559b7ce0599cf0c67fa68eeea349fcca1612601ab", kill_on_drop: false }`
[INFO] [stdout] 2696b62febba7d19c27e41d559b7ce0599cf0c67fa68eeea349fcca1612601ab
