[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::().unwrap()).collect::>(); [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::().unwrap()).collect::>(); [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, 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 [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 [INFO] [stdout] --> src/cmd01_palindrome_index.rs:12:75 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn palindrome_index(input: &str) -> Result { [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 [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 [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 [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 { [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 { [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 { [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 { [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::().unwrap()).collect::>(); [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::().unwrap()).collect::>(); [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, 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 [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 [INFO] [stdout] --> src/cmd01_palindrome_index.rs:12:75 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn palindrome_index(input: &str) -> Result { [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 [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 [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 [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 { [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 { [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 { [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 { [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