[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] ca2330ae86fbc56990c9cb05a187404cbaf5f199
[INFO] testing seanowenhayes/codewars against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanowenhayes%2Fcodewars" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/seanowenhayes/codewars on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eac98c1067d48414a8ca85c4592eec8e899cb1e5ea3e7ad4939b60f408f324c
[INFO] running `Command { std: "docker" "start" "-a" "2eac98c1067d48414a8ca85c4592eec8e899cb1e5ea3e7ad4939b60f408f324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eac98c1067d48414a8ca85c4592eec8e899cb1e5ea3e7ad4939b60f408f324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eac98c1067d48414a8ca85c4592eec8e899cb1e5ea3e7ad4939b60f408f324c", kill_on_drop: false }`
[INFO] [stdout] 2eac98c1067d48414a8ca85c4592eec8e899cb1e5ea3e7ad4939b60f408f324c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9587ac9ec374ac6089f306755e23fd052b0931af70c320e28d41bef4e7fbb284
[INFO] running `Command { std: "docker" "start" "-a" "9587ac9ec374ac6089f306755e23fd052b0931af70c320e28d41bef4e7fbb284", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/weight_for_weight.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (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 `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: 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 `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_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:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn testing(s: &str, exp: &str) -> () {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "9587ac9ec374ac6089f306755e23fd052b0931af70c320e28d41bef4e7fbb284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9587ac9ec374ac6089f306755e23fd052b0931af70c320e28d41bef4e7fbb284", kill_on_drop: false }`
[INFO] [stdout] 9587ac9ec374ac6089f306755e23fd052b0931af70c320e28d41bef4e7fbb284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b63a6019696c7842028094fdb6a235bdef4cc570d41799fa7513a8461112ff7
[INFO] running `Command { std: "docker" "start" "-a" "2b63a6019696c7842028094fdb6a235bdef4cc570d41799fa7513a8461112ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/weight_for_weight.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "2b63a6019696c7842028094fdb6a235bdef4cc570d41799fa7513a8461112ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b63a6019696c7842028094fdb6a235bdef4cc570d41799fa7513a8461112ff7", kill_on_drop: false }`
[INFO] [stdout] 2b63a6019696c7842028094fdb6a235bdef4cc570d41799fa7513a8461112ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 179c12ff3f44b894dd078e180e46f7264b9c931c054f6a46cb41d4a12f3a1f10
[INFO] running `Command { std: "docker" "start" "-a" "179c12ff3f44b894dd078e180e46f7264b9c931c054f6a46cb41d4a12f3a1f10", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/weight_for_weight.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (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 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars-f9925b3f3a941beb)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test alphabet_to_number::returns_expected ... ok
[INFO] [stdout] test array_diff::tests::returns_expected ... ok
[INFO] [stdout] test human_readable_time::tests::fixed_tests ... ok
[INFO] [stdout] test create_phone_number::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 odd_or_even::tests::test_empty_array ... ok
[INFO] [stdout] test make_the_dead_fish_swim::example_programs::example_iiisxxxdoso ... ok
[INFO] [stdout] test odd_or_even::tests::test_even ... ok
[INFO] [stdout] test odd_or_even::tests::test_negative_even ... ok
[INFO] [stdout] test odd_or_even::tests::test_odd ... ok
[INFO] [stdout] test odd_or_even::tests::test_negative_odd ... ok
[INFO] [stdout] test odd_or_even::tests::test_single_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 pin_validate::tests::valid_pin_tests ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_medium ... ok
[INFO] [stdout] test printer_error::tests::should_pass_all_the_tests_provided ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_really_small ... ok
[INFO] [stdout] test rectangle_into_squares::tests_sq_in_rect ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_tiny ... ok
[INFO] [stdout] test reduce_fraction::tests::simple_fractions ... ok
[INFO] [stdout] test roman_numerals_encoder::returns_expected ... ok
[INFO] [stdout] test odd_or_even::tests::test_single_even ... ok
[INFO] [stdout] test roman_numerals_helper::example_tests::_1_to_roman ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_small ... ok
[INFO] [stdout] test pyramid_slide_down::tests::test_small_tricky ... ok
[INFO] [stdout] test two_sum::tests::sample_tests ... ok
[INFO] [stdout] test weight_for_weight::basics_order_weight ... ok
[INFO] [stdout] test roman_numerals_helper::example_tests::_2_from_roman ... ok
[INFO] [stdout] test sort_the_odd::tests::basic ... ok
[INFO] [stdout] test so_many_permutations::example_tests::sample_tests ... ok
[INFO] [stdout] test prime_factors::basics_prime_factors ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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' (42) 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:     0x568c984174c2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x568c984174c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x568c984174c2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars`
[INFO] [stdout]    3:     0x568c984174c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x568c9842851f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x568c9842851f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x568c983e4f93 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x568c983e4f93 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x568c983f0d32 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x568c983f580f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x568c983f56a1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x568c983b886e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x568c983b886e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x568c983f5e1f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x568c983f5e1f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x568c983f5c7a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x568c983f0e69 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x568c983d975d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x568c98430190 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x568c9842ff93 - core::panicking::assert_failed_inner::h865658b89c1b891d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x568c9839032d - core::panicking::assert_failed::hfabb7921d704c27a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x568c98380094 - codewars::prime_factors::testing::hbd906dbc4b055cdc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:38:5
[INFO] [stdout]   22:     0x568c9837ffad - codewars::prime_factors::basics_prime_factors::h493c9029d6881693
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:46:5
[INFO] [stdout]   23:     0x568c9837ffc7 - codewars::prime_factors::basics_prime_factors::{{closure}}::hd1486a82b616d338
[INFO] [stdout]                                at /opt/rustwide/workdir/src/prime_factors.rs:42:26
[INFO] [stdout]   24:     0x568c98388e46 - core::ops::function::FnOnce::call_once::h7baeb158c1c36cc0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x568c983b866b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x568c983b866b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x568c983cc6cd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x568c983cc6cd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x568c983cc6cd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x568c983cc6cd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x568c983cc6cd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x568c983cc6cd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x568c983cc6cd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x568c983a5c14 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x568c983a5c14 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x568c983a946a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x568c983a946a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x568c983a946a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x568c983a946a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x568c983a946a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x568c983a946a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x568c983a946a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x568c983ec26f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x568c983ec26f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x71940ff99aa4 - <unknown>
[INFO] [stdout]   46:     0x719410026a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     prime_factors::basics_prime_factors
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 32 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "179c12ff3f44b894dd078e180e46f7264b9c931c054f6a46cb41d4a12f3a1f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179c12ff3f44b894dd078e180e46f7264b9c931c054f6a46cb41d4a12f3a1f10", kill_on_drop: false }`
[INFO] [stdout] 179c12ff3f44b894dd078e180e46f7264b9c931c054f6a46cb41d4a12f3a1f10
