[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] building Jaime-alv/codewars_rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaime-alv%2Fcodewars_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jaime-alv/codewars_rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-5-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42adc27000d8bffc71909de3164e50fca77034e4f8467708ee4d8a4313e34a5c
[INFO] running `Command { std: "docker" "start" "-a" "42adc27000d8bffc71909de3164e50fca77034e4f8467708ee4d8a4313e34a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42adc27000d8bffc71909de3164e50fca77034e4f8467708ee4d8a4313e34a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42adc27000d8bffc71909de3164e50fca77034e4f8467708ee4d8a4313e34a5c", kill_on_drop: false }`
[INFO] [stdout] 42adc27000d8bffc71909de3164e50fca77034e4f8467708ee4d8a4313e34a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3f86d45c435e597a7e86f1799c72f89e10d33d09b0f77ce31535dfc8d82b30
[INFO] running `Command { std: "docker" "start" "-a" "dc3f86d45c435e597a7e86f1799c72f89e10d33d09b0f77ce31535dfc8d82b30", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "dc3f86d45c435e597a7e86f1799c72f89e10d33d09b0f77ce31535dfc8d82b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3f86d45c435e597a7e86f1799c72f89e10d33d09b0f77ce31535dfc8d82b30", kill_on_drop: false }`
[INFO] [stdout] dc3f86d45c435e597a7e86f1799c72f89e10d33d09b0f77ce31535dfc8d82b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ed2c6a7867109362aad95b4548cfb8a2b2e54037cf19503b5d3f6cc4148fe2
[INFO] running `Command { std: "docker" "start" "-a" "85ed2c6a7867109362aad95b4548cfb8a2b2e54037cf19503b5d3f6cc4148fe2", 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "85ed2c6a7867109362aad95b4548cfb8a2b2e54037cf19503b5d3f6cc4148fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ed2c6a7867109362aad95b4548cfb8a2b2e54037cf19503b5d3f6cc4148fe2", kill_on_drop: false }`
[INFO] [stdout] 85ed2c6a7867109362aad95b4548cfb8a2b2e54037cf19503b5d3f6cc4148fe2