[INFO] cloning repository https://github.com/ltraniello/rustcses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltraniello/rustcses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltraniello%2Frustcses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltraniello%2Frustcses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e53a804181ddaf7d5535c02917de9ea1bec7f09d
[INFO] testing ltraniello/rustcses against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltraniello%2Frustcses" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ltraniello/rustcses
[INFO] finished tweaking git repo https://github.com/ltraniello/rustcses
[INFO] tweaked toml for git repo https://github.com/ltraniello/rustcses written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ltraniello/rustcses on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ltraniello/rustcses 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] addfcc3b804eb63e543dd3c7bfb6f41002f14212df13fd505459f5a8c148905a
[INFO] running `Command { std: "docker" "start" "-a" "addfcc3b804eb63e543dd3c7bfb6f41002f14212df13fd505459f5a8c148905a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "addfcc3b804eb63e543dd3c7bfb6f41002f14212df13fd505459f5a8c148905a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addfcc3b804eb63e543dd3c7bfb6f41002f14212df13fd505459f5a8c148905a", kill_on_drop: false }`
[INFO] [stdout] addfcc3b804eb63e543dd3c7bfb6f41002f14212df13fd505459f5a8c148905a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a18c6ac439895d7d8d81d5e2916cfe3cb01b616e02b8aeb7976bca61539afe
[INFO] running `Command { std: "docker" "start" "-a" "33a18c6ac439895d7d8d81d5e2916cfe3cb01b616e02b8aeb7976bca61539afe", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling rustcsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Entry`
[INFO] [stdout]  --> src/sorting_searching.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::{HashMap, Entry};
[INFO] [stdout]   |                                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorting_searching.rs:224:68
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[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: value assigned to `next_available_movie_index` is never read
[INFO] [stdout]    --> src/sorting_searching.rs:226:42
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut next_available_movie_index = 0;
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> src/utils.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Pair<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pairs` is never used
[INFO] [stdout]   --> src/utils.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<R: io::BufRead> Scanner<R> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn pairs<T>(&mut self, count : u32) -> Vec<Pair<T>>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_input` is never used
[INFO] [stdout]   --> src/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn read_input() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_vec` is never used
[INFO] [stdout]   --> src/utils.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn print_vec<A:std::fmt::Display, W: io::Write>(v : &Vec<A>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_to_u8` is never used
[INFO] [stdout]   --> src/utils.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn char_to_u8(c : char) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u8_to_char` is never used
[INFO] [stdout]   --> src/utils.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn u8_to_char(u : u8) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_weird_algorithm` is never used
[INFO] [stdout]  --> src/intro.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn solve_weird_algorithm<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_weird_algorithm` is never used
[INFO] [stdout]   --> src/intro.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn do_solve_weird_algorithm<W: io::Write>(mut n : u64, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_missing_number` is never used
[INFO] [stdout]   --> src/intro.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn solve_missing_number<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_missing_number` is never used
[INFO] [stdout]   --> src/intro.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn do_solve_missing_number<W: io::Write>(n : i32, numbers : Vec<i32>, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_repetitions` is never used
[INFO] [stdout]   --> src/intro.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn solve_repetitions<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_repetitions` is never used
[INFO] [stdout]   --> src/intro.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn do_solve_repetitions<W: io::Write>(dna : String, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_increasing_array` is never used
[INFO] [stdout]   --> src/intro.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn solve_increasing_array<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_permutations` is never used
[INFO] [stdout]    --> src/intro.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn solve_permutations<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_permutations` is never used
[INFO] [stdout]    --> src/intro.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn do_solve_permutations<W: io::Write>(n : u64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_number_spiral` is never used
[INFO] [stdout]    --> src/intro.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub fn solve_number_spiral<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_number_spiral` is never used
[INFO] [stdout]    --> src/intro.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn do_solve_number_spiral<W: io::Write>(coords : Vec<crate::utils::Pair<u64>>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_two_knights` is never used
[INFO] [stdout]    --> src/intro.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn solve_two_knights<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_two_knights` is never used
[INFO] [stdout]    --> src/intro.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn do_solve_two_knights<W: io::Write>(n : i64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_two_sets` is never used
[INFO] [stdout]    --> src/intro.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn solve_two_sets<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_two_sets` is never used
[INFO] [stdout]    --> src/intro.rs:229:4
[INFO] [stdout]     |
[INFO] [stdout] 229 | fn do_solve_two_sets<W: io::Write>(n : i64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_bit_strings` is never used
[INFO] [stdout]    --> src/intro.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 | pub fn solve_bit_strings<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_bit_strings` is never used
[INFO] [stdout]    --> src/intro.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | fn do_solve_bit_strings<W: io::Write>(n : u64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_trailing_zeros` is never used
[INFO] [stdout]    --> src/intro.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub fn solve_trailing_zeros<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_trailing_zeros_slow` is never used
[INFO] [stdout]    --> src/intro.rs:308:4
[INFO] [stdout]     |
[INFO] [stdout] 308 | fn do_solve_trailing_zeros_slow<W: io::Write>(n : u64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_trailing_zeros` is never used
[INFO] [stdout]    --> src/intro.rs:325:4
[INFO] [stdout]     |
[INFO] [stdout] 325 | fn do_solve_trailing_zeros<W: io::Write>(n : u64, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_coin_piles` is never used
[INFO] [stdout]    --> src/intro.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn solve_coin_piles<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_coin_piles` is never used
[INFO] [stdout]    --> src/intro.rs:356:4
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn do_solve_coin_piles<W: io::Write>(pairs : Vec<crate::utils::Pair<u64>>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]    --> src/intro.rs:380:7
[INFO] [stdout]     |
[INFO] [stdout] 380 | const SIZE: usize = 7;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SQQIZE` is never used
[INFO] [stdout]    --> src/intro.rs:381:7
[INFO] [stdout]     |
[INFO] [stdout] 381 | const SQQIZE: usize = SIZE*SIZE;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIRST_POS` is never used
[INFO] [stdout]    --> src/intro.rs:382:7
[INFO] [stdout]     |
[INFO] [stdout] 382 | const FIRST_POS: usize = 0;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LAST_POS` is never used
[INFO] [stdout]    --> src/intro.rs:383:7
[INFO] [stdout]     |
[INFO] [stdout] 383 | const LAST_POS: usize = SIZE*(SIZE-1);
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATHLEN` is never used
[INFO] [stdout]    --> src/intro.rs:384:7
[INFO] [stdout]     |
[INFO] [stdout] 384 | const PATHLEN: usize = SIZE*SIZE-1;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_available` is never used
[INFO] [stdout]    --> src/intro.rs:387:4
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn is_available(visited : &[[bool; SIZE]], i : usize, j : usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/intro.rs:391:8
[INFO] [stdout]     |
[INFO] [stdout] 391 | struct Counter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_solve_grid_path` is never used
[INFO] [stdout]    --> src/intro.rs:396:4
[INFO] [stdout]     |
[INFO] [stdout] 396 | fn rec_solve_grid_path(count : &mut Counter, path : &[u8], visited : &mut[[bool; SIZE]], gi : usize, gj : usize, i : usize, lastcha...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_grid_path` is never used
[INFO] [stdout]    --> src/intro.rs:424:4
[INFO] [stdout]     |
[INFO] [stdout] 424 | fn do_solve_grid_path(path : &[u8]) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_grid_path` is never used
[INFO] [stdout]    --> src/intro.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn solve_grid_path<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_palindrome_reorder` is never used
[INFO] [stdout]    --> src/intro.rs:451:8
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub fn solve_palindrome_reorder<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_palindrome_reorder` is never used
[INFO] [stdout]    --> src/intro.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn do_solve_palindrome_reorder<W: io::Write>(raws : String, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_apple_division` is never used
[INFO] [stdout]    --> src/intro.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout] 502 | pub fn solve_apple_division<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_apple_division` is never used
[INFO] [stdout]    --> src/intro.rs:508:4
[INFO] [stdout]     |
[INFO] [stdout] 508 | fn do_solve_apple_division<W: io::Write>(n : i32, weights : Vec<i32>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_appartments` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn solve_appartments<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_apartments` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn do_solve_apartments(k : i64, expected : &mut Vec<i64>, size : &mut Vec<i64>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_ferris` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn solve_ferris<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_ferris` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn do_solve_ferris(x : i64, size : &mut Vec<i64>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_concert_ticket` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn solve_concert_ticket<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_concert_ticket` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn do_solve_concert_ticket<W: io::Write>(prices : &mut Vec<i64>, customers : &mut Vec<i64>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_restaurant_customers` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn solve_restaurant_customers<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_restaurant_customers` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn do_solve_restaurant_customers(arrival_t : &mut Vec<u64>, leaving_t : &mut Vec<u64>) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_movie_festival` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn solve_movie_festival<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_movie_festival` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_twovalues` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn solve_twovalues<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_twovalues` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn do_solve_twovalues(val : i64, values : Vec<i64>) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/utils.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(out, "{} ", *u);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 68 |         let _ = write!(out, "{} ", *u);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trimmedDna` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let trimmedDna = dna.trim();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `trimmed_dna`
[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 `longestSeq` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut longestSeq = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `longest_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentChar` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut currentChar = 'Z';
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `current_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentSeqLength` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut currentSeqLength = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `current_seq_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `turnCount` should have a snake case name
[INFO] [stdout]    --> src/intro.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut turnCount : u64 = 0;
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `turn_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     writeln!(out);
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let _ = writeln!(out);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/intro.rs:362:30
[INFO] [stdout]     |
[INFO] [stdout] 362 |         if (2*b-a)%3 != 0 || b-2*(2*b-a)/3 < 0 {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         write!(out, "{}", oddchar);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let _ = write!(out, "{}", oddchar);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 527 |     writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 527 |     let _ = writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sorting_searching.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     write!(out, "{}", c);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = write!(out, "{}", c);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sorting_searching.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(out, "{}", ans);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let _ = write!(out, "{}", ans);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "33a18c6ac439895d7d8d81d5e2916cfe3cb01b616e02b8aeb7976bca61539afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a18c6ac439895d7d8d81d5e2916cfe3cb01b616e02b8aeb7976bca61539afe", kill_on_drop: false }`
[INFO] [stdout] 33a18c6ac439895d7d8d81d5e2916cfe3cb01b616e02b8aeb7976bca61539afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e80e38ae42e136b58066075080f217e5024ed053f47a30842c5674a32e0bd860
[INFO] running `Command { std: "docker" "start" "-a" "e80e38ae42e136b58066075080f217e5024ed053f47a30842c5674a32e0bd860", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcsec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Entry`
[INFO] [stdout]  --> src/sorting_searching.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::hash_map::{HashMap, Entry};
[INFO] [stdout]   |                                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sorting_searching.rs:224:68
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[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: value assigned to `next_available_movie_index` is never read
[INFO] [stdout]    --> src/sorting_searching.rs:226:42
[INFO] [stdout]     |
[INFO] [stdout] 226 |     let mut next_available_movie_index = 0;
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/sorting_searching.rs:281:12
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let (u,v) = do_solve_twovalues(8, vec!{2, 7, 5, 1});
[INFO] [stdout]     |            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pairs` is never used
[INFO] [stdout]   --> src/utils.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<R: io::BufRead> Scanner<R> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn pairs<T>(&mut self, count : u32) -> Vec<Pair<T>>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_input` is never used
[INFO] [stdout]   --> src/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn read_input() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_weird_algorithm` is never used
[INFO] [stdout]  --> src/intro.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn solve_weird_algorithm<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_missing_number` is never used
[INFO] [stdout]   --> src/intro.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn solve_missing_number<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_repetitions` is never used
[INFO] [stdout]   --> src/intro.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn solve_repetitions<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_increasing_array` is never used
[INFO] [stdout]   --> src/intro.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn solve_increasing_array<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_permutations` is never used
[INFO] [stdout]    --> src/intro.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn solve_permutations<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_number_spiral` is never used
[INFO] [stdout]    --> src/intro.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | pub fn solve_number_spiral<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_two_knights` is never used
[INFO] [stdout]    --> src/intro.rs:199:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub fn solve_two_knights<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_two_sets` is never used
[INFO] [stdout]    --> src/intro.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub fn solve_two_sets<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_bit_strings` is never used
[INFO] [stdout]    --> src/intro.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 | pub fn solve_bit_strings<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_trailing_zeros` is never used
[INFO] [stdout]    --> src/intro.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub fn solve_trailing_zeros<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_coin_piles` is never used
[INFO] [stdout]    --> src/intro.rs:350:8
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub fn solve_coin_piles<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SQQIZE` is never used
[INFO] [stdout]    --> src/intro.rs:381:7
[INFO] [stdout]     |
[INFO] [stdout] 381 | const SQQIZE: usize = SIZE*SIZE;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LAST_POS` is never used
[INFO] [stdout]    --> src/intro.rs:383:7
[INFO] [stdout]     |
[INFO] [stdout] 383 | const LAST_POS: usize = SIZE*(SIZE-1);
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATHLEN` is never used
[INFO] [stdout]    --> src/intro.rs:384:7
[INFO] [stdout]     |
[INFO] [stdout] 384 | const PATHLEN: usize = SIZE*SIZE-1;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rec` is never read
[INFO] [stdout]    --> src/intro.rs:393:5
[INFO] [stdout]     |
[INFO] [stdout] 391 | struct Counter {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 392 |     count: u64,
[INFO] [stdout] 393 |     rec: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_grid_path` is never used
[INFO] [stdout]    --> src/intro.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn solve_grid_path<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_palindrome_reorder` is never used
[INFO] [stdout]    --> src/intro.rs:451:8
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub fn solve_palindrome_reorder<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_apple_division` is never used
[INFO] [stdout]    --> src/intro.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout] 502 | pub fn solve_apple_division<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_appartments` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn solve_appartments<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_ferris` is never used
[INFO] [stdout]   --> src/sorting_searching.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn solve_ferris<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_concert_ticket` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn solve_concert_ticket<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_restaurant_customers` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn solve_restaurant_customers<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_movie_festival` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn solve_movie_festival<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_solve_movie_festival` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_twovalues` is never used
[INFO] [stdout]    --> src/sorting_searching.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn solve_twovalues<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/utils.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(out, "{} ", *u);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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] 68 |         let _ = write!(out, "{} ", *u);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `trimmedDna` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let trimmedDna = dna.trim();
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `trimmed_dna`
[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 `longestSeq` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut longestSeq = 0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `longest_seq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentChar` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut currentChar = 'Z';
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `current_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `currentSeqLength` should have a snake case name
[INFO] [stdout]   --> src/intro.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut currentSeqLength = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `current_seq_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `turnCount` should have a snake case name
[INFO] [stdout]    --> src/intro.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut turnCount : u64 = 0;
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `turn_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     writeln!(out);
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let _ = writeln!(out);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/intro.rs:362:30
[INFO] [stdout]     |
[INFO] [stdout] 362 |         if (2*b-a)%3 != 0 || b-2*(2*b-a)/3 < 0 {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         write!(out, "{}", oddchar);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let _ = write!(out, "{}", oddchar);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/intro.rs:527:5
[INFO] [stdout]     |
[INFO] [stdout] 527 |     writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 527 |     let _ = writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sorting_searching.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     write!(out, "{}", c);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = write!(out, "{}", c);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sorting_searching.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     write!(out, "{}", ans);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let _ = write!(out, "{}", ans);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "e80e38ae42e136b58066075080f217e5024ed053f47a30842c5674a32e0bd860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80e38ae42e136b58066075080f217e5024ed053f47a30842c5674a32e0bd860", kill_on_drop: false }`
[INFO] [stdout] e80e38ae42e136b58066075080f217e5024ed053f47a30842c5674a32e0bd860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7d49088dea41741bc32faf8bd44647ec2dbfd12040b5049601daa9fcb171e18
[INFO] running `Command { std: "docker" "start" "-a" "b7d49088dea41741bc32faf8bd44647ec2dbfd12040b5049601daa9fcb171e18", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Entry`
[INFO] [stderr]  --> src/sorting_searching.rs:2:43
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::hash_map::{HashMap, Entry};
[INFO] [stderr]   |                                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sorting_searching.rs:224:68
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[INFO] [stderr]     |                                                                    ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                                    |
[INFO] [stderr]     |                                                                    help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `next_available_movie_index` is never read
[INFO] [stderr]    --> src/sorting_searching.rs:226:42
[INFO] [stderr]     |
[INFO] [stderr] 226 |     let mut next_available_movie_index = 0;
[INFO] [stderr]     |                                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/sorting_searching.rs:281:12
[INFO] [stderr]     |
[INFO] [stderr] 281 |     let (u,v) = do_solve_twovalues(8, vec!{2, 7, 5, 1});
[INFO] [stderr]     |            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `pairs` is never used
[INFO] [stderr]   --> src/utils.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<R: io::BufRead> Scanner<R> {
[INFO] [stderr]    | ------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn pairs<T>(&mut self, count : u32) -> Vec<Pair<T>>
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 20 tests
[INFO] [stderr] warning: function `read_input` is never used
[INFO] [stderr]   --> src/utils.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn read_input() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_weird_algorithm` is never used
[INFO] [stderr]  --> src/intro.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn solve_weird_algorithm<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_missing_number` is never used
[INFO] [stderr]   --> src/intro.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn solve_missing_number<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_repetitions` is never used
[INFO] [stderr]   --> src/intro.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn solve_repetitions<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_increasing_array` is never used
[INFO] [stderr]   --> src/intro.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn solve_increasing_array<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_permutations` is never used
[INFO] [stderr]    --> src/intro.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn solve_permutations<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_number_spiral` is never used
[INFO] [stderr]    --> src/intro.rs:158:8
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub fn solve_number_spiral<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_two_knights` is never used
[INFO] [stderr]    --> src/intro.rs:199:8
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub fn solve_two_knights<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_two_sets` is never used
[INFO] [stderr]    --> src/intro.rs:224:8
[INFO] [stderr]     |
[INFO] [stderr] 224 | pub fn solve_two_sets<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_bit_strings` is never used
[INFO] [stdout] test intro::test_coinpiles ... ok
[INFO] [stderr]    --> src/intro.rs:280:8
[INFO] [stdout] test intro::test_number_spirals ... ok
[INFO] [stderr]     |
[INFO] [stdout] test intro::test_palindrome_reorder ... ok
[INFO] [stderr] 280 | pub fn solve_bit_strings<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout] test intro::test_missing_number ... ok
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] test intro::test_permutation ... ok
[INFO] [stderr] 
[INFO] [stdout] test intro::test_trailingzeros ... ok
[INFO] [stderr] warning: function `solve_trailing_zeros` is never used
[INFO] [stdout] test intro::test_two_knights ... ok
[INFO] [stderr]    --> src/intro.rs:303:8
[INFO] [stdout] test intro::test_two_sets ... ok
[INFO] [stderr]     |
[INFO] [stdout] test intro::test_weird ... ok
[INFO] [stderr] 303 | pub fn solve_trailing_zeros<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stdout] test intro::test_repetitions ... ok
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test sorting_searching::test_concert_ticket ... ok
[INFO] [stderr] 
[INFO] [stdout] test sorting_searching::test_movie_festival ... ok
[INFO] [stderr] warning: function `solve_coin_piles` is never used
[INFO] [stdout] test sorting_searching::test_ferris ... ok
[INFO] [stderr]    --> src/intro.rs:350:8
[INFO] [stderr]     |
[INFO] [stderr] 350 | pub fn solve_coin_piles<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SQQIZE` is never used
[INFO] [stderr]    --> src/intro.rs:381:7
[INFO] [stderr]     |
[INFO] [stderr] 381 | const SQQIZE: usize = SIZE*SIZE;
[INFO] [stderr]     |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `LAST_POS` is never used
[INFO] [stderr]    --> src/intro.rs:383:7
[INFO] [stderr]     |
[INFO] [stderr] 383 | const LAST_POS: usize = SIZE*(SIZE-1);
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PATHLEN` is never used
[INFO] [stderr]    --> src/intro.rs:384:7
[INFO] [stderr]     |
[INFO] [stderr] 384 | const PATHLEN: usize = SIZE*SIZE-1;
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `rec` is never read
[INFO] [stderr]    --> src/intro.rs:393:5
[INFO] [stderr]     |
[INFO] [stderr] 391 | struct Counter {
[INFO] [stderr]     |        ------- field in this struct
[INFO] [stderr] 392 |     count: u64,
[INFO] [stderr] 393 |     rec: u64,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_grid_path` is never used
[INFO] [stderr]    --> src/intro.rs:437:4
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn solve_grid_path<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_palindrome_reorder` is never used
[INFO] [stderr]    --> src/intro.rs:451:8
[INFO] [stderr]     |
[INFO] [stderr] 451 | pub fn solve_palindrome_reorder<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_apple_division` is never used
[INFO] [stderr]    --> src/intro.rs:502:8
[INFO] [stderr]     |
[INFO] [stderr] 502 | pub fn solve_apple_division<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_appartments` is never used
[INFO] [stderr]   --> src/sorting_searching.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn solve_appartments<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_ferris` is never used
[INFO] [stderr]   --> src/sorting_searching.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn solve_ferris<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_concert_ticket` is never used
[INFO] [stderr]    --> src/sorting_searching.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn solve_concert_ticket<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_restaurant_customers` is never used
[INFO] [stderr]    --> src/sorting_searching.rs:170:4
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn solve_restaurant_customers<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_movie_festival` is never used
[INFO] [stderr]    --> src/sorting_searching.rs:215:4
[INFO] [stderr]     |
[INFO] [stderr] 215 | fn solve_movie_festival<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_solve_movie_festival` is never used
[INFO] [stderr]    --> src/sorting_searching.rs:224:4
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn do_solve_movie_festival(movies : &Vec<crate::utils::Pair<u64>>, mut last_film_index : i32, movie_seen : u64) -> u64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_twovalues` is never used
[INFO] [stderr]    --> src/sorting_searching.rs:251:4
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn solve_twovalues<R: io::BufRead, W: io::Write>(scan: &mut crate::utils::Scanner<R>, out: &mut W) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/utils.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         write!(out, "{} ", *u);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let _ = write!(out, "{} ", *u);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `trimmedDna` should have a snake case name
[INFO] [stderr]   --> src/intro.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let trimmedDna = dna.trim();
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `trimmed_dna`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `longestSeq` should have a snake case name
[INFO] [stderr]   --> src/intro.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut longestSeq = 0;
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `longest_seq`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `currentChar` should have a snake case name
[INFO] [stderr]   --> src/intro.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let mut currentChar = 'Z';
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `current_char`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `currentSeqLength` should have a snake case name
[INFO] [stderr]   --> src/intro.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut currentSeqLength = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `current_seq_length`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `turnCount` should have a snake case name
[INFO] [stderr]    --> src/intro.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut turnCount : u64 = 0;
[INFO] [stderr]     |             ^^^^^^^^^ help: convert the identifier to snake case: `turn_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/intro.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |     writeln!(out);
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 266 |     let _ = writeln!(out);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/intro.rs:362:30
[INFO] [stderr]     |
[INFO] [stderr] 362 |         if (2*b-a)%3 != 0 || b-2*(2*b-a)/3 < 0 {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/intro.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/intro.rs:485:9
[INFO] [stderr]     |
[INFO] [stderr] 485 |         write!(out, "{}", oddchar);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 485 |         let _ = write!(out, "{}", oddchar);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/intro.rs:489:9
[INFO] [stderr]     |
[INFO] [stderr] 489 |         write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let _ = write!(out, "{}", crate::utils::u8_to_char(*c as u8));
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/intro.rs:527:5
[INFO] [stderr]     |
[INFO] [stderr] 527 |     writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 527 |     let _ = writeln!(out, "{}", sum-2*maxgroupsum);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/sorting_searching.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     write!(out, "{}", c);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _ = write!(out, "{}", c);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/sorting_searching.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     write!(out, "{}", ans);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let _ = write!(out, "{}", ans);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rustcsec` (bin "rustcsec" test) generated 45 warnings (run `cargo fix --bin "rustcsec" -p rustcsec --tests` to apply 3 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/rustcsec-ac8e5e228c5b4b8c)
[INFO] [stdout] test intro::test_apple_division ... ok
[INFO] [stdout] test sorting_searching::test_distinctnumbers ... ok
[INFO] [stdout] test sorting_searching::test_restaurant ... ok
[INFO] [stdout] test sorting_searching::test_solve_appartments ... ok
[INFO] [stdout] test sorting_searching::test_twovalues ... FAILED
[INFO] [stdout] test intro::test_gridpath ... FAILED
[INFO] [stdout] test intro::test_bitstrings ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- sorting_searching::test_twovalues stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sorting_searching::test_twovalues' (44) panicked at src/sorting_searching.rs:282:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 4
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bf4189b2cf2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bf4189b2cf2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bf4189b2cf2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bf4189b2cf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bf4189c2eda - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bf4189c2eda - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5bf418981c76 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bf418981c76 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bf4189921d9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bf4189921d9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bf418992071 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bf41895671e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bf41895671e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bf418992452 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bf418992452 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bf418992298 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5bf41898d829 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bf41897686d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bf4189ca35c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bf4189ca213 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5bf4189ca0d8 - core::panicking::assert_failed::hdfb3457b193b1f87
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5bf41892d2d5 - rustcsec::sorting_searching::test_twovalues::hef91876517d02735
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sorting_searching.rs:282:5
[INFO] [stdout]   22:     0x5bf41892d347 - rustcsec::sorting_searching::test_twovalues::{{closure}}::h4357074b8d4d8a2d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sorting_searching.rs:280:20
[INFO] [stdout]   23:     0x5bf418930186 - core::ops::function::FnOnce::call_once::hfc2e593f45e6086d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5bf41895651b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5bf41895651b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5bf418969eea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5bf418969eea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5bf418969eea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5bf418969eea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5bf418969eea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5bf418969eea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5bf418969eea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5bf418944344 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5bf418944344 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5bf418947c02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5bf418947c02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5bf418947c02 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5bf418947c02 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5bf418947c02 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5bf418947c02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5bf418947c02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5bf418988abf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5bf418988abf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x75d241924aa4 - <unknown>
[INFO] [stdout]   45:     0x75d2419b1a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- intro::test_gridpath stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'intro::test_gridpath' (28) panicked at src/intro.rs:409:199:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bf4189b2cf2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bf4189b2cf2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bf4189b2cf2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5bf4189b2cf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5bf4189c2eda - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5bf4189c2eda - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5bf418981c76 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bf418981c76 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5bf4189921d9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5bf4189921d9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5bf418992071 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5bf41895671e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5bf41895671e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5bf418992452 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5bf418992452 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5bf4189922ca - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5bf41898d829 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5bf41897686d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5bf4189ca35c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5bf4189ca039 - core::panicking::panic_const::panic_const_sub_overflow::h65ab8bb9d5c6a2db
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5bf418916c3b - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:409:199
[INFO] [stdout]   21:     0x5bf418916cfb - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:410:9
[INFO] [stdout]   22:     0x5bf418916cfb - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:410:9
[INFO] [stdout]   23:     0x5bf418916cfb - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:410:9
[INFO] [stdout]   24:     0x5bf418916cfb - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:410:9
[INFO] [stdout]   25:     0x5bf418916cfb - rustcsec::intro::rec_solve_grid_path::h8aaaad56e82683d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:410:9
[INFO] [stdout]   26:     0x5bf418916386 - rustcsec::intro::do_solve_grid_path::h49cd6ade6466528d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:433:5
[INFO] [stdout]   27:     0x5bf418915215 - rustcsec::intro::test_gridpath::he3ce3ee9c695aefd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:446:16
[INFO] [stdout]   28:     0x5bf418915287 - rustcsec::intro::test_gridpath::{{closure}}::hc963965ec4677e6d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/intro.rs:445:19
[INFO] [stdout]   29:     0x5bf41892fbf6 - core::ops::function::FnOnce::call_once::h32fd273a77ff8536
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x5bf41895651b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x5bf41895651b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   32:     0x5bf418969eea - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   33:     0x5bf418969eea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   34:     0x5bf418969eea - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   35:     0x5bf418969eea - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   36:     0x5bf418969eea - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x5bf418969eea - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   38:     0x5bf418969eea - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   39:     0x5bf418944344 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   40:     0x5bf418944344 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   41:     0x5bf418947c02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   42:     0x5bf418947c02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   43:     0x5bf418947c02 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   44:     0x5bf418947c02 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   45:     0x5bf418947c02 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x5bf418947c02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   47:     0x5bf418947c02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x5bf418988abf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   49:     0x5bf418988abf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   50:     0x75d241924aa4 - <unknown>
[INFO] [stdout]   51:     0x75d2419b1a64 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     intro::test_gridpath
[INFO] [stdout]     sorting_searching::test_twovalues
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 18 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rustcsec`
[INFO] running `Command { std: "docker" "inspect" "b7d49088dea41741bc32faf8bd44647ec2dbfd12040b5049601daa9fcb171e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d49088dea41741bc32faf8bd44647ec2dbfd12040b5049601daa9fcb171e18", kill_on_drop: false }`
[INFO] [stdout] b7d49088dea41741bc32faf8bd44647ec2dbfd12040b5049601daa9fcb171e18
