[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] checking ltraniello/rustcses against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltraniello%2Frustcses" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltraniello/rustcses on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182d3929931aa9a29bbd801148bc196514bb2b36593ca5a4b0c6bd9191ba0100
[INFO] running `Command { std: "docker" "start" "-a" "182d3929931aa9a29bbd801148bc196514bb2b36593ca5a4b0c6bd9191ba0100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182d3929931aa9a29bbd801148bc196514bb2b36593ca5a4b0c6bd9191ba0100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182d3929931aa9a29bbd801148bc196514bb2b36593ca5a4b0c6bd9191ba0100", kill_on_drop: false }`
[INFO] [stdout] 182d3929931aa9a29bbd801148bc196514bb2b36593ca5a4b0c6bd9191ba0100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 203bc0a31c3a39e4c52c245d412e50a7c52066ea434e19f2711116e3e03041a7
[INFO] running `Command { std: "docker" "start" "-a" "203bc0a31c3a39e4c52c245d412e50a7c52066ea434e19f2711116e3e03041a7", kill_on_drop: false }`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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:226:13
[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)]` 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)]` 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)]` 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, lastchar : u8) {
[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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next_available_movie_index` is never read
[INFO] [stdout]    --> src/sorting_searching.rs:226:13
[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)]` 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "203bc0a31c3a39e4c52c245d412e50a7c52066ea434e19f2711116e3e03041a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203bc0a31c3a39e4c52c245d412e50a7c52066ea434e19f2711116e3e03041a7", kill_on_drop: false }`
[INFO] [stdout] 203bc0a31c3a39e4c52c245d412e50a7c52066ea434e19f2711116e3e03041a7
[INFO] checking ltraniello/rustcses against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltraniello%2Frustcses" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltraniello/rustcses on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b619dd1f67af9daf633c4c91dcc175fef4fbebd93a91a9cbea6fca8c272170
[INFO] running `Command { std: "docker" "start" "-a" "71b619dd1f67af9daf633c4c91dcc175fef4fbebd93a91a9cbea6fca8c272170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b619dd1f67af9daf633c4c91dcc175fef4fbebd93a91a9cbea6fca8c272170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b619dd1f67af9daf633c4c91dcc175fef4fbebd93a91a9cbea6fca8c272170", kill_on_drop: false }`
[INFO] [stdout] 71b619dd1f67af9daf633c4c91dcc175fef4fbebd93a91a9cbea6fca8c272170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d9d05a35e26dd3b4cd48e9c92827a00ff5b2af55a88c8d46eaaa633ebea2bce
[INFO] running `Command { std: "docker" "start" "-a" "4d9d05a35e26dd3b4cd48e9c92827a00ff5b2af55a88c8d46eaaa633ebea2bce", kill_on_drop: false }`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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:226:13
[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)]` 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)]` 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)]` 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, lastchar : u8) {
[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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/utils.rs:43:49
[INFO] [stdout]    |
[INFO] [stdout] 43 |         return input.split_whitespace().map(|s| T::from_str(s).ok().expect("parse error")).collect();
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcsec` (bin "rustcsec") due to 2 previous errors; 71 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `next_available_movie_index` is never read
[INFO] [stdout]    --> src/sorting_searching.rs:226:13
[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)]` 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)]` 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)]` 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)]` 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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/utils.rs:43:49
[INFO] [stdout]    |
[INFO] [stdout] 43 |         return input.split_whitespace().map(|s| T::from_str(s).ok().expect("parse error")).collect();
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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]     = note: this warning originates in the macro `$crate::write` which comes from the expansion of the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcsec` (bin "rustcsec" test) due to 2 previous errors; 45 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4d9d05a35e26dd3b4cd48e9c92827a00ff5b2af55a88c8d46eaaa633ebea2bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9d05a35e26dd3b4cd48e9c92827a00ff5b2af55a88c8d46eaaa633ebea2bce", kill_on_drop: false }`
[INFO] [stdout] 4d9d05a35e26dd3b4cd48e9c92827a00ff5b2af55a88c8d46eaaa633ebea2bce