[INFO] cloning repository https://github.com/Jaime-alv/codewars_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jaime-alv/codewars_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f43b20575c2cddbd407601765d04858c65274784
[INFO] testing Jaime-alv/codewars_rust against 1.78.0 for beta-1.79-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaime-alv/codewars_rust on toolchain 1.78.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.78.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] finished tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] tweaked toml for git repo https://github.com/Jaime-alv/codewars_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaime-alv/codewars_rust 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" "+1.78.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 864ce3d828abe0b9268a4bdd7346be0352bb905030211c283d9e064b87bc50ba
[INFO] running `Command { std: "docker" "start" "-a" "864ce3d828abe0b9268a4bdd7346be0352bb905030211c283d9e064b87bc50ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864ce3d828abe0b9268a4bdd7346be0352bb905030211c283d9e064b87bc50ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864ce3d828abe0b9268a4bdd7346be0352bb905030211c283d9e064b87bc50ba", kill_on_drop: false }`
[INFO] [stdout] 864ce3d828abe0b9268a4bdd7346be0352bb905030211c283d9e064b87bc50ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbe1c5188bf13d57920a4fba7b10462baf0c4511aebf39cf0da89902675c3e7
[INFO] running `Command { std: "docker" "start" "-a" "6fbe1c5188bf13d57920a4fba7b10462baf0c4511aebf39cf0da89902675c3e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_divisible` is never used
[INFO] [stdout]  --> src/kyu8/divisible_by.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_divisible(n: u32, x: u32, y: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn add_length(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_boolean` is never used
[INFO] [stdout]  --> src/kyu8/parse_boolean.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn parse_boolean(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_space` is never used
[INFO] [stdout]   --> src/kyu8/remove_string_spaces.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn no_space(x : String) -> String{
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_string_case` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) fn fix_string_case(s: &str) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn sort_by_area(seq: &[Either<(f64, f64), f64>]) -> Vec<Either<(f64, f64), f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn calculate_area(object: &Either<(f64, f64), f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dotest` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dotest(seq: &[Either<(f64, f64), f64>], expected: &[Either<(f64, f64), f64>]) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_oldest_ages` is never used
[INFO] [stdout]   --> src/kyu7/two_oldest_ages.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn two_oldest_ages(ages: &[u8]) -> [u8; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `median_function` is never used
[INFO] [stdout]  --> src/kyu7/median.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn median_function(list: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Mixed` is never used
[INFO] [stdout]  --> src/kyu7/divide_and_conquer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Mixed<'a> {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_and_conquer` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn divide_and_conquer(list: &[Mixed]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div_con` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn div_con(arr: &[Either<i32, String>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_nato` is never used
[INFO] [stdout]   --> src/kyu6/if_you_can_read_this.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn to_nato(words: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn rotate(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn helper(word: &str, mut tmp: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_char` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn last_char(word: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "6fbe1c5188bf13d57920a4fba7b10462baf0c4511aebf39cf0da89902675c3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbe1c5188bf13d57920a4fba7b10462baf0c4511aebf39cf0da89902675c3e7", kill_on_drop: false }`
[INFO] [stdout] 6fbe1c5188bf13d57920a4fba7b10462baf0c4511aebf39cf0da89902675c3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b26addfa5c74e0f0b0a0c084c339e5610fed473ddbde8118d91810dd741d14
[INFO] running `Command { std: "docker" "start" "-a" "54b26addfa5c74e0f0b0a0c084c339e5610fed473ddbde8118d91810dd741d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "54b26addfa5c74e0f0b0a0c084c339e5610fed473ddbde8118d91810dd741d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b26addfa5c74e0f0b0a0c084c339e5610fed473ddbde8118d91810dd741d14", kill_on_drop: false }`
[INFO] [stdout] 54b26addfa5c74e0f0b0a0c084c339e5610fed473ddbde8118d91810dd741d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+1.78.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fc18f9652e0e77f9883fc28ce52e0d9a902db21582b6f396ba900d13f52543c
[INFO] running `Command { std: "docker" "start" "-a" "0fc18f9652e0e77f9883fc28ce52e0d9a902db21582b6f396ba900d13f52543c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/kyu7/median.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     list[(list.len()/2)]
[INFO] [stderr]    |          ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 11 -     list[(list.len()/2)]
[INFO] [stderr] 11 +     list[list.len()/2]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `if_else_even_or_odd` is never used
[INFO] [stderr]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_length_solution` is never used
[INFO] [stderr]   --> src/kyu8/add_length.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn solve(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_by_last_char` is never used
[INFO] [stderr]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `counter_letters` is never used
[INFO] [stderr]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn counter_letters(s: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rotate_one_liner` is never used
[INFO] [stderr]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars_rust` (bin "codewars_rust" test) generated 8 warnings (run `cargo fix --bin "codewars_rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars_rust-b4baa88a57b7a5fa)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test kyu7::median::check_median ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_kata_example ... ok
[INFO] [stdout] test kyu7::fix_string_case::test_string_case ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::test_local ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::basic_test ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_order ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::examples ... ok
[INFO] [stdout] test kyu8::remove_string_spaces::returns_expected ... ok
[INFO] [stdout] test kyu8::parse_boolean::test_boolean ... ok
[INFO] [stdout] test kyu7::sort_by_area::fixed_tests ... ok
[INFO] [stdout] test kyu6::character_with_longest_repetition::test_longest_repetition ... ok
[INFO] [stdout] test kyu7::two_oldest_ages::test_two_oldest_ages ... ok
[INFO] [stdout] test kyu8::add_length::test_add_length ... ok
[INFO] [stdout] test kyu8::even_or_odd::returns_expected ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::test_nato_dictionary ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::fixed_tests ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars_rust`
[INFO] [stdout] test kyu7::median::check_mode_value ... FAILED
[INFO] [stdout] test kyu8::multiply::test_multiply ... ok
[INFO] [stdout] test kyu8::divisible_by::test_divisible_by ... ok
[INFO] [stdout] test kyu8::divisible_by::basic_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- kyu7::median::check_mode_value stdout ----
[INFO] [stdout] thread 'kyu7::median::check_mode_value' panicked at src/kyu7/median.rs:29:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cf4c5b9c62 - std::backtrace_rs::backtrace::libunwind::trace::he4ee80166a02c846
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55cf4c5b9c62 - std::backtrace_rs::backtrace::trace_unsynchronized::h476faccf57e88641
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cf4c5b9c62 - std::sys_common::backtrace::_print_fmt::h430c922a77e7a59c
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55cf4c5b9c62 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hffecb437d922f988
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55cf4c5e27dc - core::fmt::rt::Argument::fmt::hf3df69369399bfa9
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55cf4c5e27dc - core::fmt::write::hd9a8d7d029f9ea1a
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/mod.rs:1153:17
[INFO] [stdout]    6:     0x55cf4c5b75ef - std::io::Write::write_fmt::ha6d88a9c0665f620
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/io/mod.rs:1843:15
[INFO] [stdout]    7:     0x55cf4c5b9a34 - std::sys_common::backtrace::_print::hd2df4a083f6e69b8
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55cf4c5b9a34 - std::sys_common::backtrace::print::he907f6ad7eee41cb
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55cf4c5bb6eb - std::panicking::default_hook::{{closure}}::h3926193b61c9ca9b
[INFO] [stdout]   10:     0x55cf4c5bb3c7 - std::panicking::default_hook::h25ba2457dea68e65
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55cf4c589797 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9bbd97bbd18d2a66
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   12:     0x55cf4c589797 - test::test_main::{{closure}}::hf7bf1de88733e536
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55cf4c5bbd20 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h022ca2c0d8c21c9e
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2034:9
[INFO] [stdout]   14:     0x55cf4c5bbd20 - std::panicking::rust_panic_with_hook::h0ad14d90dcf5224f
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55cf4c5bba62 - std::panicking::begin_panic_handler::{{closure}}::h4a1838a06f542647
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55cf4c5ba136 - std::sys_common::backtrace::__rust_end_short_backtrace::h77cc4dc3567ca904
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55cf4c5bb794 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55cf4c52a825 - core::panicking::panic_fmt::h940d4fd01a4b4fd1
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55cf4c52ac5b - core::panicking::assert_failed_inner::h3fa4c4749ee29c1d
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:343:17
[INFO] [stdout]   20:     0x55cf4c53eb3e - core::panicking::assert_failed::h386bc34feafbe3cf
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:298:5
[INFO] [stdout]   21:     0x55cf4c540ef5 - codewars_rust::kyu7::median::check_mode_value::hd7c57602c9a17963
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:29:5
[INFO] [stdout]   22:     0x55cf4c540db7 - codewars_rust::kyu7::median::check_mode_value::{{closure}}::hccde705138e5fb6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:27:22
[INFO] [stdout]   23:     0x55cf4c552406 - core::ops::function::FnOnce::call_once::hc85cf4c83388c385
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55cf4c58e3cf - core::ops::function::FnOnce::call_once::hdf5ca86569853e72
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55cf4c58e3cf - test::__rust_begin_short_backtrace::hd4329dc6408133c8
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x55cf4c58da53 - test::run_test_in_process::{{closure}}::h28125576fa02ab1b
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x55cf4c58da53 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h263d7f9b738b9dba
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55cf4c58da53 - std::panicking::try::do_call::h07c639bca005fe67
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55cf4c58da53 - std::panicking::try::h58a07e442d3bdb92
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55cf4c58da53 - std::panic::catch_unwind::h755d3ddccf2ee291
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panic.rs:146:14
[INFO] [stdout]   31:     0x55cf4c58da53 - test::run_test_in_process::h1afe055b8c5de7fa
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x55cf4c58da53 - test::run_test::{{closure}}::h3810503c3fff9a00
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x55cf4c556653 - test::run_test::{{closure}}::he05fab8f6f4e5a70
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x55cf4c556653 - std::sys_common::backtrace::__rust_begin_short_backtrace::he823da8fbe6df054
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55cf4c55b1bf - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4ec5c7fc245f87d0
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/thread/mod.rs:528:17
[INFO] [stdout]   36:     0x55cf4c55b1bf - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc69a28560447662e
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55cf4c55b1bf - std::panicking::try::do_call::hf528d3cff240a786
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55cf4c55b1bf - std::panicking::try::hb11bf079f9b1f405
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55cf4c55b1bf - std::panic::catch_unwind::hcee8d50a8dc1d323
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panic.rs:146:14
[INFO] [stdout]   40:     0x55cf4c55b1bf - std::thread::Builder::spawn_unchecked_::{{closure}}::hb48d60f284150728
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/thread/mod.rs:527:30
[INFO] [stdout]   41:     0x55cf4c55b1bf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h04ac49919f9d987a
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55cf4c5bfca5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h19b9e642d37e7272
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   43:     0x55cf4c5bfca5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97265befc434d3ae
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
[INFO] [stdout]   44:     0x55cf4c5bfca5 - std::sys::pal::unix::thread::Thread::new::thread_start::h420dad5cf01a9f35
[INFO] [stdout]                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f970246fac3 - <unknown>
[INFO] [stdout]   46:     0x7f9702500a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     kyu7::median::check_mode_value
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fc18f9652e0e77f9883fc28ce52e0d9a902db21582b6f396ba900d13f52543c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc18f9652e0e77f9883fc28ce52e0d9a902db21582b6f396ba900d13f52543c", kill_on_drop: false }`
[INFO] [stdout] 0fc18f9652e0e77f9883fc28ce52e0d9a902db21582b6f396ba900d13f52543c
[INFO] testing Jaime-alv/codewars_rust against beta-2024-05-11 for beta-1.79-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaime-alv/codewars_rust on toolchain beta-2024-05-11
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-05-11" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] finished tweaking git repo https://github.com/Jaime-alv/codewars_rust
[INFO] tweaked toml for git repo https://github.com/Jaime-alv/codewars_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jaime-alv/codewars_rust 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" "+beta-2024-05-11" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d187827d8df08bde13b796887bf3fdcfa938be31b47e7253f5e0a95b9d8a0a93
[INFO] running `Command { std: "docker" "start" "-a" "d187827d8df08bde13b796887bf3fdcfa938be31b47e7253f5e0a95b9d8a0a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d187827d8df08bde13b796887bf3fdcfa938be31b47e7253f5e0a95b9d8a0a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d187827d8df08bde13b796887bf3fdcfa938be31b47e7253f5e0a95b9d8a0a93", kill_on_drop: false }`
[INFO] [stdout] d187827d8df08bde13b796887bf3fdcfa938be31b47e7253f5e0a95b9d8a0a93
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04cd2c108a08a4fd49b47b13f008bd0b60174fe90b48cb0de13afcac2799be01
[INFO] running `Command { std: "docker" "start" "-a" "04cd2c108a08a4fd49b47b13f008bd0b60174fe90b48cb0de13afcac2799be01", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_divisible` is never used
[INFO] [stdout]  --> src/kyu8/divisible_by.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_divisible(n: u32, x: u32, y: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn add_length(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_boolean` is never used
[INFO] [stdout]  --> src/kyu8/parse_boolean.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn parse_boolean(b: bool) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_space` is never used
[INFO] [stdout]   --> src/kyu8/remove_string_spaces.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn no_space(x : String) -> String{
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_string_case` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) fn fix_string_case(s: &str) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn sort_by_area(seq: &[Either<(f64, f64), f64>]) -> Vec<Either<(f64, f64), f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn calculate_area(object: &Either<(f64, f64), f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dotest` is never used
[INFO] [stdout]   --> src/kyu7/sort_by_area.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn dotest(seq: &[Either<(f64, f64), f64>], expected: &[Either<(f64, f64), f64>]) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_oldest_ages` is never used
[INFO] [stdout]   --> src/kyu7/two_oldest_ages.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn two_oldest_ages(ages: &[u8]) -> [u8; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `median_function` is never used
[INFO] [stdout]  --> src/kyu7/median.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn median_function(list: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Mixed` is never used
[INFO] [stdout]  --> src/kyu7/divide_and_conquer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Mixed<'a> {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_and_conquer` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn divide_and_conquer(list: &[Mixed]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div_con` is never used
[INFO] [stdout]   --> src/kyu7/divide_and_conquer.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn div_con(arr: &[Either<i32, String>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_nato` is never used
[INFO] [stdout]   --> src/kyu6/if_you_can_read_this.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn to_nato(words: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn rotate(s: &str) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn helper(word: &str, mut tmp: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `last_char` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn last_char(word: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "04cd2c108a08a4fd49b47b13f008bd0b60174fe90b48cb0de13afcac2799be01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cd2c108a08a4fd49b47b13f008bd0b60174fe90b48cb0de13afcac2799be01", kill_on_drop: false }`
[INFO] [stdout] 04cd2c108a08a4fd49b47b13f008bd0b60174fe90b48cb0de13afcac2799be01
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bebd5f0b150dac72e4a5403f955d73151071d89d33e9a3799026d7a933f7ff59
[INFO] running `Command { std: "docker" "start" "-a" "bebd5f0b150dac72e4a5403f955d73151071d89d33e9a3799026d7a933f7ff59", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/kyu7/median.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list[(list.len()/2)]
[INFO] [stdout]    |          ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -     list[(list.len()/2)]
[INFO] [stdout] 11 +     list[list.len()/2]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_else_even_or_odd` is never used
[INFO] [stdout]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length_solution` is never used
[INFO] [stdout]   --> src/kyu8/add_length.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn solve(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_by_last_char` is never used
[INFO] [stdout]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter_letters` is never used
[INFO] [stdout]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn counter_letters(s: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_one_liner` is never used
[INFO] [stdout]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "bebd5f0b150dac72e4a5403f955d73151071d89d33e9a3799026d7a933f7ff59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebd5f0b150dac72e4a5403f955d73151071d89d33e9a3799026d7a933f7ff59", kill_on_drop: false }`
[INFO] [stdout] bebd5f0b150dac72e4a5403f955d73151071d89d33e9a3799026d7a933f7ff59
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-05-11" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0719115cb5b84f4407dfe1aca66b0c1699fa21255378a2671df82e941ab82e
[INFO] running `Command { std: "docker" "start" "-a" "2b0719115cb5b84f4407dfe1aca66b0c1699fa21255378a2671df82e941ab82e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/kyu7/median.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     list[(list.len()/2)]
[INFO] [stderr]    |          ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 11 -     list[(list.len()/2)]
[INFO] [stderr] 11 +     list[list.len()/2]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Index`
[INFO] [stderr]  --> src/kyu6/character_with_longest_repetition.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::Index, collections::HashMap};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `if_else_even_or_odd` is never used
[INFO] [stderr]  --> src/kyu8/even_or_odd.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn if_else_even_or_odd(n: i32) -> &'static str {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_length_solution` is never used
[INFO] [stderr]   --> src/kyu8/add_length.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn add_length_solution(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]   --> src/kyu7/fix_string_case.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn solve(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort_by_last_char` is never used
[INFO] [stderr]  --> src/kyu7/sort_by_last_char.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn sort_by_last_char(x: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `counter_letters` is never used
[INFO] [stderr]   --> src/kyu6/character_with_longest_repetition.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn counter_letters(s: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rotate_one_liner` is never used
[INFO] [stderr]   --> src/kyu6/all_star_code_challenge.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn rotate_one_liner(s: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars_rust` (bin "codewars_rust" test) generated 8 warnings (run `cargo fix --bin "codewars_rust" --tests` to apply 2 suggestions)
[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_rust-5ef7493037d623c8)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::basic_test ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_order ... ok
[INFO] [stdout] test kyu6::all_star_code_challenge::test_all_star_code::test_kata_example ... ok
[INFO] [stdout] test kyu6::character_with_longest_repetition::test_longest_repetition ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::fixed_tests ... ok
[INFO] [stdout] test kyu7::fix_string_case::test_string_case ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::test_nato_dictionary ... ok
[INFO] [stdout] test kyu7::sort_by_area::fixed_tests ... ok
[INFO] [stdout] test kyu7::two_oldest_ages::test_two_oldest_ages ... ok
[INFO] [stdout] test kyu8::divisible_by::test_divisible_by ... ok
[INFO] [stdout] test kyu6::if_you_can_read_this::examples ... ok
[INFO] [stdout] test kyu7::divide_and_conquer::tests::test_local ... ok
[INFO] [stdout] test kyu8::even_or_odd::returns_expected ... ok
[INFO] [stdout] test kyu8::remove_string_spaces::returns_expected ... ok
[INFO] [stdout] test kyu8::parse_boolean::test_boolean ... ok
[INFO] [stdout] test kyu8::divisible_by::basic_tests ... ok
[INFO] [stdout] test kyu8::add_length::test_add_length ... ok
[INFO] [stdout] test kyu7::median::check_median ... ok
[INFO] [stdout] test kyu8::multiply::test_multiply ... ok
[INFO] [stdout] test kyu7::median::check_mode_value ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- kyu7::median::check_mode_value stdout ----
[INFO] [stdout] thread 'kyu7::median::check_mode_value' panicked at src/kyu7/median.rs:29:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55667dd6d0f5 - std::backtrace_rs::backtrace::libunwind::trace::h83c0eb53992f6f11
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55667dd6d0f5 - std::backtrace_rs::backtrace::trace_unsynchronized::hd28c2b35fda3e21e
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55667dd6d0f5 - std::sys_common::backtrace::_print_fmt::hf2041091d6875033
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55667dd6d0f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h071af91c4208ccf0
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55667dd949db - core::fmt::rt::Argument::fmt::hbbac3246d92cc2c5
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55667dd949db - core::fmt::write::hfbbdbbaa8a5636f0
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/fmt/mod.rs:1157:21
[INFO] [stdout]    6:     0x55667dd6aacf - std::io::Write::write_fmt::h683a0f6f6a55d4e6
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/io/mod.rs:1832:15
[INFO] [stdout]    7:     0x55667dd6cece - std::sys_common::backtrace::_print::h6e9434dab4d40a6f
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55667dd6cece - std::sys_common::backtrace::print::h05c5bdf93ac2b0b3
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55667dd6e849 - std::panicking::default_hook::{{closure}}::h14d287fc1f176f42
[INFO] [stdout]   10:     0x55667dd6e50e - std::panicking::default_hook::hb73c741e3f264f50
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55667dd3d8ea - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7799be82a9c3f0ff
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55667dd3d8ea - test::test_main::{{closure}}::hf38649883f87b5dd
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55667dd6ee16 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h68f37c64f31b57a5
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55667dd6ee16 - std::panicking::rust_panic_with_hook::h78c61ae4c0782913
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55667dd6ebc4 - std::panicking::begin_panic_handler::{{closure}}::hdf87efe7d42fce36
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x55667dd6d5b9 - std::sys_common::backtrace::__rust_end_short_backtrace::h7fe6043c6a62259c
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55667dd6e8f7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55667dcdf853 - core::panicking::panic_fmt::h408b8077ec40ea8a
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55667dcdfc3e - core::panicking::assert_failed_inner::h62ee979e98473382
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/panicking.rs:409:17
[INFO] [stdout]   20:     0x55667dcf317e - core::panicking::assert_failed::hc644eb880551f4b9
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/panicking.rs:364:5
[INFO] [stdout]   21:     0x55667dd00895 - codewars_rust::kyu7::median::check_mode_value::h3edda5cb27e5c6e2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:29:5
[INFO] [stdout]   22:     0x55667dd00757 - codewars_rust::kyu7::median::check_mode_value::{{closure}}::hb6a0a5b413e24bc0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/kyu7/median.rs:27:22
[INFO] [stdout]   23:     0x55667dcf69e6 - core::ops::function::FnOnce::call_once::hd6517260f3354780
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55667dd422cb - core::ops::function::FnOnce::call_once::h6ec52d6b022b4e5b
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55667dd422cb - test::__rust_begin_short_backtrace::h4d1f9ff636f075f9
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:623:18
[INFO] [stdout]   26:     0x55667dd419d1 - test::run_test_in_process::{{closure}}::hc0eeb44d9f6007c3
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:646:60
[INFO] [stdout]   27:     0x55667dd419d1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf4955ac6df3c98c0
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55667dd419d1 - std::panicking::try::do_call::hcf3def274d8af1ee
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x55667dd419d1 - std::panicking::try::hf68eeb1aba32d66b
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x55667dd419d1 - std::panic::catch_unwind::h0355367cffff134b
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x55667dd419d1 - test::run_test_in_process::he2226fbeed017911
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:646:27
[INFO] [stdout]   32:     0x55667dd419d1 - test::run_test::{{closure}}::h30881d8b3580c264
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x55667dd0a454 - test::run_test::{{closure}}::h33b24baf807b3f84
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/test/src/lib.rs:597:41
[INFO] [stdout]   34:     0x55667dd0a454 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6eaa239433478a43
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55667dd0eec2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::heeba43c14886c12e
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x55667dd0eec2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfbea5b7848355a67
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55667dd0eec2 - std::panicking::try::do_call::hf7114dcde9c5ac64
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x55667dd0eec2 - std::panicking::try::hebedc8f1a8b7f047
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x55667dd0eec2 - std::panic::catch_unwind::h5be41294775813eb
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x55667dd0eec2 - std::thread::Builder::spawn_unchecked_::{{closure}}::hacc0cdaf6d214520
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x55667dd0eec2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6705d9a54ddcceb
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55667dd72fdb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2c411cd68361b013
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x55667dd72fdb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h139d8161222f5c3a
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55667dd72fdb - std::sys::pal::unix::thread::Thread::new::thread_start::h14ec8ded327b57eb
[INFO] [stdout]                                at /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fb8e53c4ac3 - <unknown>
[INFO] [stdout]   46:     0x7fb8e5455a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     kyu7::median::check_mode_value
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin codewars_rust`
[INFO] running `Command { std: "docker" "inspect" "2b0719115cb5b84f4407dfe1aca66b0c1699fa21255378a2671df82e941ab82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0719115cb5b84f4407dfe1aca66b0c1699fa21255378a2671df82e941ab82e", kill_on_drop: false }`
[INFO] [stdout] 2b0719115cb5b84f4407dfe1aca66b0c1699fa21255378a2671df82e941ab82e
