[INFO] cloning repository https://github.com/seanowenhayes/codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanowenhayes/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanowenhayes%2Fcodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanowenhayes%2Fcodewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3abc863e19894867a3fdcd8e60ac79cca70ae5b9
[INFO] testing seanowenhayes/codewars against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanowenhayes%2Fcodewars" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/seanowenhayes/codewars
[INFO] finished tweaking git repo https://github.com/seanowenhayes/codewars
[INFO] tweaked toml for git repo https://github.com/seanowenhayes/codewars written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seanowenhayes/codewars on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/seanowenhayes/codewars 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1a576965c56d4d58a4f7610cda0591720f48e334078a8c91271ac230e4785f
[INFO] running `Command { std: "docker" "start" "-a" "0d1a576965c56d4d58a4f7610cda0591720f48e334078a8c91271ac230e4785f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1a576965c56d4d58a4f7610cda0591720f48e334078a8c91271ac230e4785f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1a576965c56d4d58a4f7610cda0591720f48e334078a8c91271ac230e4785f", kill_on_drop: false }`
[INFO] [stdout] 0d1a576965c56d4d58a4f7610cda0591720f48e334078a8c91271ac230e4785f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc23c6701c03311f800a6d7151d761571e4442a2362b911fe37da01247fba56e
[INFO] running `Command { std: "docker" "start" "-a" "cc23c6701c03311f800a6d7151d761571e4442a2362b911fe37da01247fba56e", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]  --> src/matrix_determinant.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn determinant(matrix: &[Vec<i64>]) -> i64 {
[INFO] [stdout]   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alphabet_position` is never used
[INFO] [stdout]  --> src/alphabet_to_number.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn alphabet_position(text: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_diff` is never used
[INFO] [stdout]  --> src/array_diff.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_diff<T: PartialEq>(a: Vec<T>, b: Vec<T>) -> Vec<T> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numbers_to_string` is never used
[INFO] [stdout]  --> src/create_phone_number.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn numbers_to_string(numbers: &[u8]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_phone_number` is never used
[INFO] [stdout]  --> src/create_phone_number.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn create_phone_number(numbers: &[u8]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad` is never used
[INFO] [stdout]  --> src/human_readable_time.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn pad(time: u32) -> String {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECONDS_IN_MINUTE` is never used
[INFO] [stdout]  --> src/human_readable_time.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const SECONDS_IN_MINUTE: u32 = 60;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECONDS_IN_HOUR` is never used
[INFO] [stdout]   --> src/human_readable_time.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const SECONDS_IN_HOUR: u32 = 60 * 60;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_readable` is never used
[INFO] [stdout]   --> src/human_readable_time.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn make_readable(seconds: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `valid_isbn10` is never used
[INFO] [stdout]  --> src/isbn_10_validation.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn valid_isbn10(isbn: &str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_any_characters_not_digits` is never used
[INFO] [stdout]   --> src/isbn_10_validation.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn are_any_characters_not_digits(isbn: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_invalid_last_character` is never used
[INFO] [stdout]   --> src/isbn_10_validation.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn is_invalid_last_character(last_char: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/make_the_dead_fish_swim.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn parse(code: &str) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `determinant` is never used
[INFO] [stdout]  --> src/matrix_determinant.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn determinant(matrix: &[Vec<i64>]) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `odd_or_even` is never used
[INFO] [stdout]  --> src/odd_or_even.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn odd_or_even(numbers: Vec<i32>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_pin` is never used
[INFO] [stdout]  --> src/pin_validate.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn validate_pin(pin: &str) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]  --> src/prime_factors.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_prime(n: i64) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_factors` is never used
[INFO] [stdout]   --> src/prime_factors.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_factors(n: i64) -> (i64, i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prime_factors` is never used
[INFO] [stdout]   --> src/prime_factors.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn prime_factors(n: i64) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/prime_factors.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn testing(n: i64, exp: &str) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printer_error` is never used
[INFO] [stdout]  --> src/printer_error.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn printer_error(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_slide_down` is never used
[INFO] [stdout]  --> src/pyramid_slide_down.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn longest_slide_down(pyramid: &[Vec<u16>]) -> u16 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Item` is never used
[INFO] [stdout]  --> src/range_extraction.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     enum Item {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]  --> src/range_extraction.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     impl Item {
[INFO] [stdout]   |     --------- method in this implementation
[INFO] [stdout] 8 |         fn to_string(&self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_extraction` is never used
[INFO] [stdout]   --> src/range_extraction.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn range_extraction(a: &[i32]) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Quadrilateral` is never constructed
[INFO] [stdout]  --> src/rectangle_into_squares.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Quadrilateral {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_square`, `largest_square`, and `remove_largest_square` are never used
[INFO] [stdout]   --> src/rectangle_into_squares.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Quadrilateral {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 10 |     fn is_square(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn largest_square(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn remove_largest_square(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sq_in_rect` is never used
[INFO] [stdout]   --> src/rectangle_into_squares.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn sq_in_rect(lng: i32, wdth: i32) -> Option<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/rectangle_into_squares.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn testing(lng: i32, wdth: i32, exp: Option<Vec<i32>>) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_fraction` is never used
[INFO] [stdout]  --> src/reduce_fraction.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn reduce_fraction(fraction: (u32, u32)) -> (u32, u32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_as_roman` is never used
[INFO] [stdout]  --> src/roman_numerals_encoder.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn num_as_roman(num: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `M` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const M: u32 = 1000;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CM` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const CM: u32 = 900;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `D` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const D: u32 = 500;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CD` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const CD: u32 = 400;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const C: u32 = 100;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XC` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const XC: u32 = 90;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `L` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const L: u32 = 50;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XL` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const XL: u32 = 40;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `X` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const X: u32 = 10;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IX` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const IX: u32 = 9;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `V` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const V: u32 = 5;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IV` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const IV: u32 = 4;
[INFO] [stdout]    |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `I` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const I: u32 = 1;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_roman` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn to_roman(r: u32) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_roman` is never used
[INFO] [stdout]   --> src/roman_numerals_helper.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn from_roman(s: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `snail` is never used
[INFO] [stdout]  --> src/snail_sort.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn snail(matrix: &[Vec<i32>]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permutations` is never used
[INFO] [stdout]  --> src/so_many_permutations.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn permutations(s: &str) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_array` is never used
[INFO] [stdout]  --> src/sort_the_odd.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_array(arr: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_intervals` is never used
[INFO] [stdout]  --> src/sum_of_intervals.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sum_intervals(intervals: &[(i32, i32)]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_two_smallest_numbers` is never used
[INFO] [stdout]  --> src/two_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sum_two_smallest_numbers(numbers: &[u32]) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `order_weight` is never used
[INFO] [stdout]  --> src/weight_for_weight.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn order_weight(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/weight_for_weight.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn testing(s: &str, exp: &str) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "cc23c6701c03311f800a6d7151d761571e4442a2362b911fe37da01247fba56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc23c6701c03311f800a6d7151d761571e4442a2362b911fe37da01247fba56e", kill_on_drop: false }`
[INFO] [stdout] cc23c6701c03311f800a6d7151d761571e4442a2362b911fe37da01247fba56e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5bae762a6fe37958946e70f889b84ca7048b5900cd4f12073eed765d1e5be45
[INFO] running `Command { std: "docker" "start" "-a" "a5bae762a6fe37958946e70f889b84ca7048b5900cd4f12073eed765d1e5be45", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matrix`
[INFO] [stdout]  --> src/matrix_determinant.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn determinant(matrix: &[Vec<i64>]) -> i64 {
[INFO] [stdout]   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a5bae762a6fe37958946e70f889b84ca7048b5900cd4f12073eed765d1e5be45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5bae762a6fe37958946e70f889b84ca7048b5900cd4f12073eed765d1e5be45", kill_on_drop: false }`
[INFO] [stdout] a5bae762a6fe37958946e70f889b84ca7048b5900cd4f12073eed765d1e5be45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98ee6fdb67e7ffc73ea1ddba7b599b9140443aa9726fe8f4f1b80ca3854fa9cc
[INFO] running `Command { std: "docker" "start" "-a" "98ee6fdb67e7ffc73ea1ddba7b599b9140443aa9726fe8f4f1b80ca3854fa9cc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `matrix`
[INFO] [stderr]  --> src/matrix_determinant.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn determinant(matrix: &[Vec<i64>]) -> i64 {
[INFO] [stderr]   |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars` (bin "codewars" test) generated 1 warning (run `cargo fix --bin "codewars" -p codewars --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars-f9925b3f3a941beb)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test alphabet_to_number::returns_expected ... ok
[INFO] [stdout] test array_diff::tests::returns_expected ... ok
[INFO] [stdout] test isbn_10_validation::tests::sample_tests ... ok
[INFO] [stdout] test make_the_dead_fish_swim::example_programs::example_iiisdoso ... ok
[INFO] [stdout] test human_readable_time::tests::fixed_tests ... ok
[INFO] [stdout] test odd_or_even::tests::test_empty_array ... ok
[INFO] [stdout] test odd_or_even::tests::test_negative_even ... ok
[INFO] [stdout] test make_the_dead_fish_swim::example_programs::example_iiisxxxdoso ... ok
[INFO] [stdout] test create_phone_number::returns_expected ... ok
[INFO] [stdout] test odd_or_even::tests::test_negative_odd ... ok
[INFO] [stdout] test odd_or_even::tests::test_odd ... ok
[INFO] [stdout] test pin_validate::tests::invalid_length_tests ... ok
[INFO] [stdout] test pin_validate::tests::non_digit_chars_tests ... ok
[INFO] [stdout] test printer_error::tests::should_pass_all_the_tests_provided ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_small ... ok
[INFO] [stdout] test rectangle_into_squares::tests_sq_in_rect ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_medium ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_small_tricky ... ok
[INFO] [stdout] test odd_or_even::tests::test_single_even ... ok
[INFO] [stdout] test odd_or_even::tests::test_single_odd ... ok
[INFO] [stdout] test pin_validate::tests::valid_pin_tests ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_tiny ... ok
[INFO] [stdout] test odd_or_even::tests::test_even ... ok
[INFO] [stdout] test snail_sort::tests::sample_test2 ... ok
[INFO] [stdout] test roman_numerals_encoder::returns_expected ... ok
[INFO] [stdout] test so_many_permutations::example_tests::sample_tests ... ok
[INFO] [stdout] test snail_sort::tests::sample_test1 ... ok
[INFO] [stdout] test two_sum::tests::sample_tests ... ok
[INFO] [stdout] test weight_for_weight::basics_order_weight ... ok
[INFO] [stdout] test reduce_fraction::tests::simple_fractions ... ok
[INFO] [stdout] test snail_sort::tests::sample_test5 ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_really_small ... ok
[INFO] [stdout] test roman_numerals_helper::example_tests::_1_to_roman ... ok
[INFO] [stdout] test range_extraction::tests::example ... ok
[INFO] [stdout] test roman_numerals_helper::example_tests::_2_from_roman ... ok
[INFO] [stdout] test snail_sort::tests::sample_test4 ... ok
[INFO] [stdout] test snail_sort::tests::sample_test3 ... ok
[INFO] [stdout] test sort_the_odd::tests::basic ... ok
[INFO] [stdout] test sum_of_intervals::sample_tests::large_intervals ... ok
[INFO] [stdout] test sum_of_intervals::sample_tests::overlapping_intervals ... ok
[INFO] [stdout] test sum_of_intervals::sample_tests::non_overlapping_intervals ... ok
[INFO] [stdout] test matrix_determinant::tests::sample_tests ... FAILED
[INFO] [stdout] test prime_factors::basics_prime_factors ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- matrix_determinant::tests::sample_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'matrix_determinant::tests::sample_tests' (32) panicked at src/matrix_determinant.rs:2:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bedf42b42f2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bedf42b42f2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bedf42b42f2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bedf42b42f2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bedf42c994a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bedf42c994a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5bedf42b90f6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bedf42b90f6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bedf4292a8f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bedf4292a8f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bedf42ac5d9 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bedf424805e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bedf424805e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bedf42ac792 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bedf42ac792 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bedf4292b7a - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5bedf4287dc9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bedf429399d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bedf42ca01c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bedf42c9fe2 - core[27de1724e4349be2]::panicking::panic
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5bedf423b3d7 - codewars[8ab870d0aeb9d85a]::matrix_determinant::determinant
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrix_determinant.rs:2:5
[INFO] [stdout]   21:     0x5bedf420d5a8 - codewars[8ab870d0aeb9d85a]::matrix_determinant::tests::dotest
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrix_determinant.rs:12:20
[INFO] [stdout]   22:     0x5bedf420d6d6 - codewars[8ab870d0aeb9d85a]::matrix_determinant::tests::sample_tests
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrix_determinant.rs:17:9
[INFO] [stdout]   23:     0x5bedf420beb7 - codewars[8ab870d0aeb9d85a]::matrix_determinant::tests::sample_tests::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/matrix_determinant.rs:16:22
[INFO] [stdout]   24:     0x5bedf420ee96 - <codewars[8ab870d0aeb9d85a]::matrix_determinant::tests::sample_tests::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bedf423c40b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5bedf423c40b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5bedf4248c6a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5bedf4248c6a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5bedf4248c6a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5bedf4248c6a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5bedf4244214 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5bedf4244214 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5bedf424b762 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5bedf424b762 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5bedf424b762 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5bedf424b762 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5bedf424b762 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5bedf424b762 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5bedf424b762 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5bedf42b3b9f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5bedf42b3b9f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x700695f39aa4 - <unknown>
[INFO] [stdout]   46:     0x700695fc6a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- prime_factors::basics_prime_factors stdout ----
[INFO] [stdout] Not a primer 4
[INFO] [stdout] i is 2 and n / i is 2
[INFO] [stdout] Dunno 27
[INFO] [stdout] Not a primer 27
[INFO] [stdout] i is 3 and n / i is 9
[INFO] [stdout] Dunno 9
[INFO] [stdout] Not a primer 9
[INFO] [stdout] i is 3 and n / i is 3
[INFO] [stdout] 
[INFO] [stdout] thread 'prime_factors::basics_prime_factors' (43) panicked at src/prime_factors.rs:38:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "(3**(3**3))"
[INFO] [stdout]  right: "(3**3)"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bedf42b42f2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bedf42b42f2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bedf42b42f2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bedf42b42f2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bedf42c994a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bedf42c994a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5bedf42b90f6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bedf42b90f6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bedf4292a8f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bedf4292a8f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bedf42ac5d9 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bedf424805e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bedf424805e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bedf42ac792 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bedf42ac792 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bedf4292b48 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5bedf4287dc9 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bedf429399d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bedf42ca01c - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bedf42c9ed3 - core[27de1724e4349be2]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5bedf4234f91 - core[27de1724e4349be2]::panicking::assert_failed::<&alloc[a57f19327c0ad893]::string::String, &str>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5bedf4218db6 - codewars[8ab870d0aeb9d85a]::prime_factors::testing
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:38:5
[INFO] [stdout]   22:     0x5bedf421900d - codewars[8ab870d0aeb9d85a]::prime_factors::basics_prime_factors
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:46:5
[INFO] [stdout]   23:     0x5bedf4218377 - codewars[8ab870d0aeb9d85a]::prime_factors::basics_prime_factors::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:42:26
[INFO] [stdout]   24:     0x5bedf420e716 - <codewars[8ab870d0aeb9d85a]::prime_factors::basics_prime_factors::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bedf423c40b - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5bedf423c40b - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5bedf4248c6a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5bedf4248c6a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5bedf4248c6a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5bedf4248c6a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5bedf4248c6a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5bedf4244214 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5bedf4244214 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5bedf424b762 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5bedf424b762 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5bedf424b762 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5bedf424b762 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5bedf424b762 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5bedf424b762 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5bedf424b762 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5bedf42b3b9f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5bedf42b3b9f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x700695f39aa4 - <unknown>
[INFO] [stdout]   46:     0x700695fc6a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     matrix_determinant::tests::sample_tests
[INFO] [stdout]     prime_factors::basics_prime_factors
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 41 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars`
[INFO] running `Command { std: "docker" "inspect" "98ee6fdb67e7ffc73ea1ddba7b599b9140443aa9726fe8f4f1b80ca3854fa9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ee6fdb67e7ffc73ea1ddba7b599b9140443aa9726fe8f4f1b80ca3854fa9cc", kill_on_drop: false }`
[INFO] [stdout] 98ee6fdb67e7ffc73ea1ddba7b599b9140443aa9726fe8f4f1b80ca3854fa9cc
