[INFO] cloning repository https://github.com/LJBD/rust-codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LJBD/rust-codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJBD%2Frust-codewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJBD%2Frust-codewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4259a07edc042332266772c8ddaf92675d252b1f
[INFO] testing LJBD/rust-codewars against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLJBD%2Frust-codewars" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LJBD/rust-codewars
[INFO] finished tweaking git repo https://github.com/LJBD/rust-codewars
[INFO] tweaked toml for git repo https://github.com/LJBD/rust-codewars written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LJBD/rust-codewars on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LJBD/rust-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded regex-automata v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b65c88da4cfb271bd06193029ff3195f33dc521f30649bbd4863ad61bdbbf11
[INFO] running `Command { std: "docker" "start" "-a" "0b65c88da4cfb271bd06193029ff3195f33dc521f30649bbd4863ad61bdbbf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b65c88da4cfb271bd06193029ff3195f33dc521f30649bbd4863ad61bdbbf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b65c88da4cfb271bd06193029ff3195f33dc521f30649bbd4863ad61bdbbf11", kill_on_drop: false }`
[INFO] [stdout] 0b65c88da4cfb271bd06193029ff3195f33dc521f30649bbd4863ad61bdbbf11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c929bb37c9c92b3dd1b45874065c06189308b07ab5b4550a0f80df9d03c8f6
[INFO] running `Command { std: "docker" "start" "-a" "f5c929bb37c9c92b3dd1b45874065c06189308b07ab5b4550a0f80df9d03c8f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling rust-codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_number_from_article` is never used
[INFO] [stdout]  --> src/kyu6/help_the_bookseller.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_number_from_article(article: &str) -> Result<u16, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stock_list` is never used
[INFO] [stdout]  --> src/kyu6/help_the_bookseller.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn stock_list(list_art: Vec<&str>, list_cat: Vec<&str>) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tribonacci` is never used
[INFO] [stdout]  --> src/kyu6/tribonacci.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn tribonacci(signature: &[f64; 3], n: usize) -> Vec<f64> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/kyu6/multipliers_of_3_and_5.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solution(num: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assertion` is never used
[INFO] [stdout]   --> src/kyu6/multipliers_of_3_and_5.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn assertion(expected : i32, input : i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_primes_up_to` is never used
[INFO] [stdout]  --> src/kyu5/k_primes.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_primes_up_to(n: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_k_prime` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn is_k_prime(n: i32, k: i32, primes: &Vec<i32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_to_square_range` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn get_to_square_range(n: i32) -> RangeInclusive<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_kprimes` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn count_kprimes(k: i32, start: i32, nd: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `puzzle` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn puzzle(s: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing_count_kprimes` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn testing_count_kprimes(k: i32, start: i32, nd: i32, exp: Vec<i32>) -> () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/kyu5/k_primes.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn testing(n: i32, exp: i32) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_nb` is never used
[INFO] [stdout]  --> src/kyu5/is_my_friend_cheating.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn remove_nb(m: i32) -> Vec<(i32, i32)> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/kyu5/is_my_friend_cheating.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn testing(n: i32, exp: Vec<(i32, i32)>) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_last_digits` is never used
[INFO] [stdout]  --> src/kyu5/last_digit.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn get_last_digits(number: &str, places: usize) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_last_digit_of_power` is never used
[INFO] [stdout]   --> src/kyu5/last_digit.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_last_digit_of_power(n: i32, power: u32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_digit` is never used
[INFO] [stdout]   --> src/kyu5/last_digit.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn last_digit(str1: &str, str2: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains_char` is never used
[INFO] [stdout]  --> src/kyu4/secret_string.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn contains_char(c: char, subject: &String) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_of` is never used
[INFO] [stdout]  --> src/kyu4/secret_string.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn index_of(c: char, chars: &Vec<char>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_first_omitting` is never used
[INFO] [stdout]   --> src/kyu4/secret_string.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn take_first_omitting(chars_matrix: &Vec<Vec<char>>, omit: &String) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_all_omitting` is never used
[INFO] [stdout]   --> src/kyu4/secret_string.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn take_all_omitting(triplets: &Vec<[char; 3]>, omit: &String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `positions_of` is never used
[INFO] [stdout]   --> src/kyu4/secret_string.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn positions_of(c: char, chars_matrix: &Vec<Vec<char>>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recover_secret` is never used
[INFO] [stdout]   --> src/kyu4/secret_string.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn recover_secret(triplets: Vec<[char; 3]>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decompose` is never used
[INFO] [stdout]  --> src/kyu4/square_into_squares.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn decompose(n: i64) -> Option<Vec<i64>> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing` is never used
[INFO] [stdout]   --> src/kyu4/square_into_squares.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn testing(n: i64, exp: Option<Vec<i64>>) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_dots` is never used
[INFO] [stdout]  --> src/kyu8/fixme_replace_dots.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn replace_dots(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.55s
[INFO] running `Command { std: "docker" "inspect" "f5c929bb37c9c92b3dd1b45874065c06189308b07ab5b4550a0f80df9d03c8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c929bb37c9c92b3dd1b45874065c06189308b07ab5b4550a0f80df9d03c8f6", kill_on_drop: false }`
[INFO] [stdout] f5c929bb37c9c92b3dd1b45874065c06189308b07ab5b4550a0f80df9d03c8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf77fc301d46234ce5cdc0502b2995d1b62713720a7b876bf089e0f327b1a1b
[INFO] running `Command { std: "docker" "start" "-a" "dcf77fc301d46234ce5cdc0502b2995d1b62713720a7b876bf089e0f327b1a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "dcf77fc301d46234ce5cdc0502b2995d1b62713720a7b876bf089e0f327b1a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf77fc301d46234ce5cdc0502b2995d1b62713720a7b876bf089e0f327b1a1b", kill_on_drop: false }`
[INFO] [stdout] dcf77fc301d46234ce5cdc0502b2995d1b62713720a7b876bf089e0f327b1a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c598ff4db4d0ad64d3fdabbc93d2518a7c1b256371557c4d0b3c7b71765cf999
[INFO] running `Command { std: "docker" "start" "-a" "c598ff4db4d0ad64d3fdabbc93d2518a7c1b256371557c4d0b3c7b71765cf999", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_codewars-cf91562b1afda683)
[INFO] [stdout] running 13 tests
[INFO] [stdout] test kyu4::secret_string::example_test ... ok
[INFO] [stdout] test kyu5::k_primes::basics_puzzle ... ok
[INFO] [stdout] test kyu5::last_digit::test_getting_last_digit ... ok
[INFO] [stdout] test kyu6::multipliers_of_3_and_5::sample_tests ... ok
[INFO] [stdout] test kyu5::k_primes::test_eratosthenes_sieve ... ok
[INFO] [stdout] test kyu8::fixme_replace_dots::tests::sample_tests ... ok
[INFO] [stdout] test kyu5::is_my_friend_cheating::basics_remove_nb ... ok
[INFO] [stdout] test kyu6::help_the_bookseller::tests::basic_tests ... ok
[INFO] [stdout] test kyu5::last_digit::returns_expected ... ok
[INFO] [stdout] test kyu5::k_primes::basics_count_kprimes ... ok
[INFO] [stdout] test kyu4::square_into_squares::tests_decompose ... FAILED
[INFO] [stdout] test kyu5::last_digit::test_get_last_digit_of_power ... ok
[INFO] [stdout] test kyu6::tribonacci::basic_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- kyu4::square_into_squares::tests_decompose stdout ----
[INFO] [stdout] Current i: 49
[INFO] [stdout] Current i: 9
[INFO] [stdout] Current i: 4
[INFO] [stdout] 
[INFO] [stdout] thread 'kyu4::square_into_squares::tests_decompose' panicked at src/kyu4/square_into_squares.rs:26:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: None
[INFO] [stdout]  right: Some([1, 3, 5, 8, 49])
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bd7c33e41b2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bd7c33e41b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bd7c33e41b2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5bd7c33e41b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5bd7c340a1c3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5bd7c340a1c3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5bd7c33e1393 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bd7c33e1393 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5bd7c33e4002 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5bd7c33e571c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5bd7c33e5572 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5bd7c32e02f4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5bd7c32e02f4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bd7c33e60fb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5bd7c33e60fb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5bd7c33e5eca - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5bd7c33e46a9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5bd7c33e5b5d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5bd7c3408650 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5bd7c34088e7 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5bd7c32a13ee - core::panicking::assert_failed::hbdce009f3787b761
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5bd7c329f5d4 - rust_codewars::kyu4::square_into_squares::testing::h7009926b888055b1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu4/square_into_squares.rs:26:5
[INFO] [stdout]   22:     0x5bd7c329f7dd - rust_codewars::kyu4::square_into_squares::tests_decompose::hce05bb7ea30c6b51
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu4/square_into_squares.rs:31:5
[INFO] [stdout]   23:     0x5bd7c32a0d39 - rust_codewars::kyu4::square_into_squares::tests_decompose::{{closure}}::hd9bb3fdcd1ee7b91
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu4/square_into_squares.rs:30:21
[INFO] [stdout]   24:     0x5bd7c32a0d39 - core::ops::function::FnOnce::call_once::hd0c4c3926a7bab19
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bd7c32e5a7b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5bd7c32e5a7b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x5bd7c32e4c6e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x5bd7c32e4c6e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5bd7c32e4c6e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5bd7c32e4c6e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5bd7c32e4c6e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5bd7c32e4c6e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x5bd7c32e4c6e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x5bd7c32a87e4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x5bd7c32a87e4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x5bd7c32ac1ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x5bd7c32ac1ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5bd7c32ac1ba - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x5bd7c32ac1ba - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x5bd7c32ac1ba - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5bd7c32ac1ba - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x5bd7c32ac1ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5bd7c33e9057 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5bd7c33e9057 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5bd7c33e9057 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x70b3e2f32aa4 - <unknown>
[INFO] [stdout]   47:     0x70b3e2fbfa34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     kyu4::square_into_squares::tests_decompose
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-codewars`
[INFO] running `Command { std: "docker" "inspect" "c598ff4db4d0ad64d3fdabbc93d2518a7c1b256371557c4d0b3c7b71765cf999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c598ff4db4d0ad64d3fdabbc93d2518a7c1b256371557c4d0b3c7b71765cf999", kill_on_drop: false }`
[INFO] [stdout] c598ff4db4d0ad64d3fdabbc93d2518a7c1b256371557c4d0b3c7b71765cf999
