[INFO] cloning repository https://github.com/SCP-iota/ccswec_hackathon_solutions_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SCP-iota/ccswec_hackathon_solutions_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCP-iota%2Fccswec_hackathon_solutions_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCP-iota%2Fccswec_hackathon_solutions_2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b0632b060d4960a23545cf49bb7b3d4447c9ebc
[INFO] checking SCP-iota/ccswec_hackathon_solutions_2024 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCP-iota%2Fccswec_hackathon_solutions_2024" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SCP-iota/ccswec_hackathon_solutions_2024
[INFO] finished tweaking git repo https://github.com/SCP-iota/ccswec_hackathon_solutions_2024
[INFO] tweaked toml for git repo https://github.com/SCP-iota/ccswec_hackathon_solutions_2024 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SCP-iota/ccswec_hackathon_solutions_2024 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SCP-iota/ccswec_hackathon_solutions_2024 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee337dd8bfff39a312f6eb5dc42f5d05dc8cf53e812ebd8224fe51e5af79e4e4
[INFO] running `Command { std: "docker" "start" "-a" "ee337dd8bfff39a312f6eb5dc42f5d05dc8cf53e812ebd8224fe51e5af79e4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee337dd8bfff39a312f6eb5dc42f5d05dc8cf53e812ebd8224fe51e5af79e4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee337dd8bfff39a312f6eb5dc42f5d05dc8cf53e812ebd8224fe51e5af79e4e4", kill_on_drop: false }`
[INFO] [stdout] ee337dd8bfff39a312f6eb5dc42f5d05dc8cf53e812ebd8224fe51e5af79e4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d16091e0c1e6dc4ac6d41dde920821788d34d4df68735ca6c297dac103e2765a
[INFO] running `Command { std: "docker" "start" "-a" "d16091e0c1e6dc4ac6d41dde920821788d34d4df68735ca6c297dac103e2765a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking clap_lex v0.7.3
[INFO] [stderr]     Checking clap_builder v4.5.21
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.21
[INFO] [stderr]     Checking ccswec_hackathon_solutions_2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::read_to_string`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::read_to_string, io::stdin};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{builder::Str, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut l: &mut [i32] = &mut v;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut query = query_line.trim().split(" ").map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/main.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let list = list_line.trim().split(" ").map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccswec_hackathon_solutions_2024` (bin "ccswec_hackathon_solutions_2024") due to 6 previous errors; 10 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, PalindromeIndexError>, i32>
[INFO] [stdout]   --> src/main.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 println!("{}", cmd01_palindrome_index::palindrome_index(&line)?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/main.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 println!("{}", cmd01_palindrome_index::palindrome_index(&line)?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:12:75
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn palindrome_index(input: &str) -> Result<i32, PalindromeIndexError> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 13 | |     if is_palindrome(input) {
[INFO] [stdout] 14 | |         return Ok(-1);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     Ok(-1)
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return Ok(-1);
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |             return Ok(i as i32);
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Ok(-1)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchingStrings` should have a snake case name
[INFO] [stdout]  --> src/cmd02_sparse_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn matchingStrings(stringList: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_strings`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringList` should have a snake case name
[INFO] [stdout]  --> src/cmd02_sparse_arrays.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn matchingStrings(stringList: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]   |                        ^^^^^^^^^^ help: convert the identifier to snake case: `string_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climbingLeaderboard` should have a snake case name
[INFO] [stdout]  --> src/cmd03_climbing_the_leaderboard.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn climbingLeaderboard(ranked: &[i32], player: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `climbing_leaderboard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sortedSubsegments` should have a snake case name
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sortedSubsegments(k: i32, a: &[i32], queries: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sorted_subsegments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         &l[query[0] as usize..query[1] as usize + 1].sort();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let _ = &l[query[0] as usize..query[1] as usize + 1].sort();
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::read_to_string`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::read_to_string, io::stdin};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `builder::Str`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{builder::Str, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut l: &mut [i32] = &mut v;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut query = query_line.trim().split(" ").map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/main.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let list = list_line.trim().split(" ").map(|x| x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, PalindromeIndexError>, i32>
[INFO] [stdout]   --> src/main.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 println!("{}", cmd01_palindrome_index::palindrome_index(&line)?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/main.rs:99:32
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 println!("{}", cmd01_palindrome_index::palindrome_index(&line)?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:12:75
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn palindrome_index(input: &str) -> Result<i32, PalindromeIndexError> {
[INFO] [stdout]    |  ___________________________________________________________________________^
[INFO] [stdout] 13 | |     if is_palindrome(input) {
[INFO] [stdout] 14 | |         return Ok(-1);
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     Ok(-1)
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return Ok(-1);
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |             return Ok(i as i32);
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, PalindromeIndexError>
[INFO] [stdout]   --> src/cmd01_palindrome_index.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Ok(-1)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchingStrings` should have a snake case name
[INFO] [stdout]  --> src/cmd02_sparse_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn matchingStrings(stringList: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_strings`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stringList` should have a snake case name
[INFO] [stdout]  --> src/cmd02_sparse_arrays.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn matchingStrings(stringList: &[String], queries: &[String]) -> Vec<i32> {
[INFO] [stdout]   |                        ^^^^^^^^^^ help: convert the identifier to snake case: `string_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climbingLeaderboard` should have a snake case name
[INFO] [stdout]  --> src/cmd03_climbing_the_leaderboard.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn climbingLeaderboard(ranked: &[i32], player: &[i32]) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `climbing_leaderboard`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sortedSubsegments` should have a snake case name
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sortedSubsegments(k: i32, a: &[i32], queries: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sorted_subsegments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/cmd04_sorted_subsegments.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         &l[query[0] as usize..query[1] as usize + 1].sort();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let _ = &l[query[0] as usize..query[1] as usize + 1].sort();
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccswec_hackathon_solutions_2024` (bin "ccswec_hackathon_solutions_2024" test) due to 6 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d16091e0c1e6dc4ac6d41dde920821788d34d4df68735ca6c297dac103e2765a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16091e0c1e6dc4ac6d41dde920821788d34d4df68735ca6c297dac103e2765a", kill_on_drop: false }`
[INFO] [stdout] d16091e0c1e6dc4ac6d41dde920821788d34d4df68735ca6c297dac103e2765a
