[INFO] cloning repository https://github.com/TheMRX666/rust-222on-practic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheMRX666/rust-222on-practic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheMRX666%2Frust-222on-practic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheMRX666%2Frust-222on-practic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43c92be29edea8d0b03662a7af9266f7352fc204
[INFO] testing TheMRX666/rust-222on-practic against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheMRX666%2Frust-222on-practic" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheMRX666/rust-222on-practic on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheMRX666/rust-222on-practic
[INFO] finished tweaking git repo https://github.com/TheMRX666/rust-222on-practic
[INFO] tweaked toml for git repo https://github.com/TheMRX666/rust-222on-practic written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheMRX666/rust-222on-practic 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f7a39402e6bd829734a251a6a10b6a161e1054c55d4701de9d69976f50a283
[INFO] running `Command { std: "docker" "start" "-a" "b1f7a39402e6bd829734a251a6a10b6a161e1054c55d4701de9d69976f50a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f7a39402e6bd829734a251a6a10b6a161e1054c55d4701de9d69976f50a283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f7a39402e6bd829734a251a6a10b6a161e1054c55d4701de9d69976f50a283", kill_on_drop: false }`
[INFO] [stdout] b1f7a39402e6bd829734a251a6a10b6a161e1054c55d4701de9d69976f50a283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ffcb434dde5e157df02ba7ca5a6db5e706123fd3abd27b5ec6b8ef2d1a1546
[INFO] running `Command { std: "docker" "start" "-a" "31ffcb434dde5e157df02ba7ca5a6db5e706123fd3abd27b5ec6b8ef2d1a1546", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0-alpha.2
[INFO] [stderr]    Compiling rand v0.9.0-alpha.2
[INFO] [stderr]    Compiling pr9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/practic4.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stdout]    |                                ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stdout] 17 +                 let symbol = if j >= point_start && j <= point_end { "*" } else { " " };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/practic4.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if(i < (self.size / 2)) {
[INFO] [stdout]    |               ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if(i < (self.size / 2)) {
[INFO] [stdout] 22 +             if i < (self.size / 2) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/Hackerrank/solve_me_first.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/Hackerrank/sales_by_match.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]  --> src/practic9.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_prime(n: &u32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Romb` is never constructed
[INFO] [stdout]  --> src/practic4.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Romb {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `rombBuilder` are never used
[INFO] [stdout]   --> src/practic4.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Romb{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new(size: i32) -> Romb{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn rombBuilder(self){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/practic6.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn gcd(a: u32, b: u32) -> u32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_tree` is never used
[INFO] [stdout]  --> src/practic7.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn draw_tree(levels: usize) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `invert_the_case` is never used
[INFO] [stdout]  --> src/practic8.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn invert_the_case(s: String) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]  --> src/practic10.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn rotate(s: String, n: isize) -> String {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/practic11.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_palindrome(x: u32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_vector` is never used
[INFO] [stdout]  --> src/practic12.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn generate_random_vector(n: usize) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_adjacent_sum` is never used
[INFO] [stdout]  --> src/practic12.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn min_adjacent_sum(data: &[i32]) -> Option<(i32, usize)> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_result` is never used
[INFO] [stdout]   --> src/practic12.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn print_result(data: &[i32], min_sum: i32, index: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_permutation` is never used
[INFO] [stdout]  --> src/practic13.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn count_permutation(shipments: &Vec<u32>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_permutation2` is never used
[INFO] [stdout]   --> src/practic13.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn count_permutation2(shipments: &Vec<u32>) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_shipments` is never used
[INFO] [stdout]   --> src/practic13.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn gen_shipments(n: usize) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/practic14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/practic14.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area_occupied` is never used
[INFO] [stdout]  --> src/practic14.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn area_occupied(xs: &Vec<Rectangle>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_data` is never used
[INFO] [stdout]   --> src/practic14.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn test_data() -> Vec<Rectangle> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gray` is never used
[INFO] [stdout]  --> src/practic15.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn gray(n: u8) -> Vec<String> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/practic15.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_variables` is never used
[INFO] [stdout]  --> src/practic16.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn find_variables() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_solution` is never used
[INFO] [stdout]   --> src/practic16.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn is_valid_solution(perm: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_solution` is never used
[INFO] [stdout]   --> src/practic16.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn print_solution(m: i32, u: i32, x: i32, a: i32, s: i32, l: i32, o: i32, n: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/Hackerrank/apple_and_orange.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Counter{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `check`, and `get_result` are never used
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Counter{
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 9  |     pub fn new(s:i32,t:i32,a:i32,b:i32) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn check(&self, fruits: &[i32], tree_pos: i32) -> i32{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get_result(&self, apples: &[i32], oranges: &[i32]) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countApplesAndOranges` is never used
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sockMerchant` is never used
[INFO] [stdout]  --> src/Hackerrank/sales_by_match.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aVeryBigSum` is never used
[INFO] [stdout]  --> src/Hackerrank/a_very_big_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn aVeryBigSum(ar: &[i64]) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `miniMaxSum` is never used
[INFO] [stdout]  --> src/Hackerrank/mini_max_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plusMinus` is never used
[INFO] [stdout]  --> src/Hackerrank/plus_minus.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn plusMinus(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayOfProgrammer` is never used
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dayOfProgrammer(year: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bonAppetit` is never used
[INFO] [stdout]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` is never used
[INFO] [stdout]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_permutations` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_permutations(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn permute(nums: &mut Vec<i32>, result: &mut Vec<Vec<i32>>, start: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_magic_square` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn is_magic_square(square: &[i32], target_sum: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `staircase` is never used
[INFO] [stdout]  --> src/Hackerrank/staircase.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn staircase(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/staircase.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breakingRecords` is never used
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `migratoryBirds` is never used
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` is never used
[INFO] [stdout]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/grading.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` is never used
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` is never used
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divisibleSumPairs` is never used
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countingValleys` is never used
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthdayCakeCandles` is never used
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthday` is never used
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn birthday(s: &[i32], d: i32, m: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` is never used
[INFO] [stdout]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_by` is never used
[INFO] [stdout]   --> src/Hackerrank/extra_long_factorials.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn multiply_by(result: &mut Vec<u32>, num: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/extra_long_factorials.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Hackerrank` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod Hackerrank;
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `hackerrank`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rombBuilder` should have a snake case name
[INFO] [stdout]   --> src/practic4.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn rombBuilder(self){
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `romb_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countApplesAndOranges` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `count_apples_and_oranges`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fruitCounter` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let fruitCounter = Counter::new(s,t,a,b);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fruit_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sockMerchant` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/sales_by_match.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `sock_merchant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aVeryBigSum` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/a_very_big_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn aVeryBigSum(ar: &[i64]) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^ help: convert the identifier to snake case: `a_very_big_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `miniMaxSum` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/mini_max_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `mini_max_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plusMinus` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/plus_minus.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn plusMinus(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `plus_minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayOfProgrammer` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dayOfProgrammer(year: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `day_of_programmer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `days__months_normal` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let days__months_normal = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_normal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `days__months_leap` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let days__months_leap = 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_leap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bonAppetit` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `bon_appetit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `forming_magic_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breakingRecords` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `breaking_records`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `migratoryBirds` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `migratory_birds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `grading_students`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_conversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `compare_triplets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divisibleSumPairs` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `divisible_sum_pairs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countingValleys` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_valleys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthdayCakeCandles` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `birthday_cake_candles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `extra_long_factorials`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.24s
[INFO] running `Command { std: "docker" "inspect" "31ffcb434dde5e157df02ba7ca5a6db5e706123fd3abd27b5ec6b8ef2d1a1546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ffcb434dde5e157df02ba7ca5a6db5e706123fd3abd27b5ec6b8ef2d1a1546", kill_on_drop: false }`
[INFO] [stdout] 31ffcb434dde5e157df02ba7ca5a6db5e706123fd3abd27b5ec6b8ef2d1a1546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2a86f57e1d660dfd1852e89a3139d96fc53f191d3aecc3b0eaefa72154c1f5
[INFO] running `Command { std: "docker" "start" "-a" "9d2a86f57e1d660dfd1852e89a3139d96fc53f191d3aecc3b0eaefa72154c1f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pr9 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/practic4.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stdout]    |                                ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stdout] 17 +                 let symbol = if j >= point_start && j <= point_end { "*" } else { " " };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/practic4.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if(i < (self.size / 2)) {
[INFO] [stdout]    |               ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if(i < (self.size / 2)) {
[INFO] [stdout] 22 +             if i < (self.size / 2) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/Hackerrank/sales_by_match.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_permutation2` is never used
[INFO] [stdout]   --> src/practic13.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn count_permutation2(shipments: &Vec<u32>) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/practic15.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countApplesAndOranges` is never used
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bonAppetit` is never used
[INFO] [stdout]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` is never used
[INFO] [stdout]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_permutations` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_permutations(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn permute(nums: &mut Vec<i32>, result: &mut Vec<Vec<i32>>, start: usize) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_magic_square` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn is_magic_square(square: &[i32], target_sum: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/magic_square_forming.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `staircase` is never used
[INFO] [stdout]  --> src/Hackerrank/staircase.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn staircase(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/staircase.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breakingRecords` is never used
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `migratoryBirds` is never used
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` is never used
[INFO] [stdout]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/grading.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` is never used
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` is never used
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divisibleSumPairs` is never used
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countingValleys` is never used
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthdayCakeCandles` is never used
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthday` is never used
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn birthday(s: &[i32], d: i32, m: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/the_birthday_bar.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` is never used
[INFO] [stdout]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_by` is never used
[INFO] [stdout]   --> src/Hackerrank/extra_long_factorials.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn multiply_by(result: &mut Vec<u32>, num: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/Hackerrank/extra_long_factorials.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Hackerrank` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod Hackerrank;
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `hackerrank`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rombBuilder` should have a snake case name
[INFO] [stdout]   --> src/practic4.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn rombBuilder(self){
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `romb_builder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countApplesAndOranges` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `count_apples_and_oranges`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fruitCounter` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let fruitCounter = Counter::new(s,t,a,b);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fruit_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fruitCounter` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/apple_and_orange.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let fruitCounter = Counter::new(s,t,a,b);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fruit_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sockMerchant` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/sales_by_match.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `sock_merchant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `aVeryBigSum` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/a_very_big_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn aVeryBigSum(ar: &[i64]) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^ help: convert the identifier to snake case: `a_very_big_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `miniMaxSum` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/mini_max_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `mini_max_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plusMinus` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/plus_minus.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn plusMinus(arr: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `plus_minus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dayOfProgrammer` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn dayOfProgrammer(year: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `day_of_programmer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `days__months_normal` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let days__months_normal = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_normal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `days__months_leap` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/day_of_programmer.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let days__months_leap = 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_leap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bonAppetit` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `bon_appetit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `forming_magic_square`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breakingRecords` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `breaking_records`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `migratoryBirds` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `migratory_birds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradingStudents` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `grading_students`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeConversion` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_conversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `compare_triplets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divisibleSumPairs` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `divisible_sum_pairs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countingValleys` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_valleys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `birthdayCakeCandles` should have a snake case name
[INFO] [stdout]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `birthday_cake_candles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` should have a snake case name
[INFO] [stdout]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `extra_long_factorials`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "9d2a86f57e1d660dfd1852e89a3139d96fc53f191d3aecc3b0eaefa72154c1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2a86f57e1d660dfd1852e89a3139d96fc53f191d3aecc3b0eaefa72154c1f5", kill_on_drop: false }`
[INFO] [stdout] 9d2a86f57e1d660dfd1852e89a3139d96fc53f191d3aecc3b0eaefa72154c1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dd0e930d1835871d274db365a13ef34f70e5a03181d9324e31a8a8e16f21aaa
[INFO] running `Command { std: "docker" "start" "-a" "1dd0e930d1835871d274db365a13ef34f70e5a03181d9324e31a8a8e16f21aaa", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/practic4.rs:17:32
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stderr]    |                                ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 17 -                 let symbol = if(j >= point_start && j <= point_end) { "*" } else { " " };
[INFO] [stderr] 17 +                 let symbol = if j >= point_start && j <= point_end { "*" } else { " " };
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/practic4.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if(i < (self.size / 2)) {
[INFO] [stderr]    |               ^                   ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -             if(i < (self.size / 2)) {
[INFO] [stderr] 22 +             if i < (self.size / 2) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/Hackerrank/sales_by_match.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/Hackerrank/breaking_records.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `steps`
[INFO] [stderr]   --> src/Hackerrank/counting_valleys.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stderr]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/Hackerrank/the_birthday_bar.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let n = stdin_iterator.next().unwrap().unwrap().trim().parse::<i32>().unwrap();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_permutation2` is never used
[INFO] [stderr]   --> src/practic13.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn count_permutation2(shipments: &Vec<u32>) -> Option<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/practic15.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn test() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `countApplesAndOranges` is never used
[INFO] [stderr]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bonAppetit` is never used
[INFO] [stderr]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `formingMagicSquare` is never used
[INFO] [stderr]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_permutations` is never used
[INFO] [stderr]   --> src/Hackerrank/magic_square_forming.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_permutations(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `permute` is never used
[INFO] [stderr]   --> src/Hackerrank/magic_square_forming.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn permute(nums: &mut Vec<i32>, result: &mut Vec<Vec<i32>>, start: usize) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_magic_square` is never used
[INFO] [stderr]   --> src/Hackerrank/magic_square_forming.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn is_magic_square(square: &[i32], target_sum: i32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/magic_square_forming.rs:72:4
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `staircase` is never used
[INFO] [stderr]  --> src/Hackerrank/staircase.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn staircase(n: i32) {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/staircase.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `breakingRecords` is never used
[INFO] [stderr]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/breaking_records.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `migratoryBirds` is never used
[INFO] [stderr]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/migratory_birds.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gradingStudents` is never used
[INFO] [stderr]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/grading.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `timeConversion` is never used
[INFO] [stderr]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/time_conversion.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compareTriplets` is never used
[INFO] [stderr]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/compare_the_triplets.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divisibleSumPairs` is never used
[INFO] [stderr]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/divisible_sum_pairs.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `countingValleys` is never used
[INFO] [stderr]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/counting_valleys.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `birthdayCakeCandles` is never used
[INFO] [stderr]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/birthday_cake_candles.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `birthday` is never used
[INFO] [stderr]   --> src/Hackerrank/the_birthday_bar.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn birthday(s: &[i32], d: i32, m: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/the_birthday_bar.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `extraLongFactorials` is never used
[INFO] [stderr]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply_by` is never used
[INFO] [stderr]   --> src/Hackerrank/extra_long_factorials.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn multiply_by(result: &mut Vec<u32>, num: i32) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/Hackerrank/extra_long_factorials.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Hackerrank` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod Hackerrank;
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to snake case: `hackerrank`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `rombBuilder` should have a snake case name
[INFO] [stderr]   --> src/practic4.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn rombBuilder(self){
[INFO] [stderr]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `romb_builder`
[INFO] [stderr] 
[INFO] [stderr] warning: function `countApplesAndOranges` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/apple_and_orange.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn countApplesAndOranges(s: i32, t: i32, a: i32, b: i32, apples: &[i32], oranges: &[i32]) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `count_apples_and_oranges`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fruitCounter` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/apple_and_orange.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let fruitCounter = Counter::new(s,t,a,b);
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fruit_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fruitCounter` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/apple_and_orange.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let fruitCounter = Counter::new(s,t,a,b);
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `fruit_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: function `sockMerchant` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/sales_by_match.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn sockMerchant(n: i32, ar: &[i32]) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `sock_merchant`
[INFO] [stderr] 
[INFO] [stderr] warning: function `aVeryBigSum` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/a_very_big_sum.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn aVeryBigSum(ar: &[i64]) -> i64 {
[INFO] [stderr]   |    ^^^^^^^^^^^ help: convert the identifier to snake case: `a_very_big_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: function `miniMaxSum` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/mini_max_sum.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn miniMaxSum(arr: &[i32]) {
[INFO] [stderr]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `mini_max_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: function `plusMinus` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/plus_minus.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn plusMinus(arr: &[i32]) {
[INFO] [stderr]   |    ^^^^^^^^^ help: convert the identifier to snake case: `plus_minus`
[INFO] [stderr] 
[INFO] [stderr] warning: function `dayOfProgrammer` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/day_of_programmer.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn dayOfProgrammer(year: i32) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `day_of_programmer`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `days__months_normal` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/day_of_programmer.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let days__months_normal = 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_normal`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `days__months_leap` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/day_of_programmer.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let days__months_leap = 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `days_months_leap`
[INFO] [stderr] 
[INFO] [stderr] warning: function `bonAppetit` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/bon_appetit.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn bonAppetit(bill: &[i32], k: i32, b: i32) {
[INFO] [stderr]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `bon_appetit`
[INFO] [stderr] 
[INFO] [stderr] warning: function `formingMagicSquare` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/magic_square_forming.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `forming_magic_square`
[INFO] [stderr] 
[INFO] [stderr] warning: function `breakingRecords` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/breaking_records.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn breakingRecords(scores: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `breaking_records`
[INFO] [stderr] 
[INFO] [stderr] warning: function `migratoryBirds` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/migratory_birds.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn migratoryBirds(arr: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `migratory_birds`
[INFO] [stderr] 
[INFO] [stderr] warning: function `gradingStudents` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/grading.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn gradingStudents(grades: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `grading_students`
[INFO] [stderr] 
[INFO] [stderr] warning: function `timeConversion` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/time_conversion.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn timeConversion(s: &str) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `time_conversion`
[INFO] [stderr] 
[INFO] [stderr] warning: function `compareTriplets` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/compare_the_triplets.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn compareTriplets(a: &[i32], b: &[i32]) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `compare_triplets`
[INFO] [stderr] 
[INFO] [stderr] warning: function `divisibleSumPairs` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/divisible_sum_pairs.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn divisibleSumPairs(n: i32, k: i32, ar: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `divisible_sum_pairs`
[INFO] [stderr] 
[INFO] [stderr] warning: function `countingValleys` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/counting_valleys.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn countingValleys(steps: i32, path: &str) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `counting_valleys`
[INFO] [stderr] 
[INFO] [stderr] warning: function `birthdayCakeCandles` should have a snake case name
[INFO] [stderr]   --> src/Hackerrank/birthday_cake_candles.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn birthdayCakeCandles(candles: &[i32]) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `birthday_cake_candles`
[INFO] [stderr] 
[INFO] [stderr] warning: function `extraLongFactorials` should have a snake case name
[INFO] [stderr]  --> src/Hackerrank/extra_long_factorials.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn extraLongFactorials(n: i32) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `extra_long_factorials`
[INFO] [stderr] 
[INFO] [stderr] warning: `pr9` (bin "pr9" test) generated 61 warnings (run `cargo fix --bin "pr9" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pr9-00b320aa164db194)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test Hackerrank::day_of_programmer::main ... ok
[INFO] [stdout] test Hackerrank::apple_and_orange::main ... ok
[INFO] [stdout] test Hackerrank::sales_by_match::main ... ok
[INFO] [stdout] test Hackerrank::plus_minus::main ... ok
[INFO] [stdout] test practic11::main ... ok
[INFO] [stdout] test Hackerrank::a_very_big_sum::main ... ok
[INFO] [stdout] test Hackerrank::mini_max_sum::main ... ok
[INFO] [stdout] test practic10::main ... ok
[INFO] [stdout] test practic8::main ... ok
[INFO] [stdout] test practic9::test_is_prime ... ok
[INFO] [stdout] test practic4::main ... ok
[INFO] [stdout] test practic5::main ... ok
[INFO] [stdout] test practic12::main ... ok
[INFO] [stdout] test practic6::test_gcd ... ok
[INFO] [stdout] test practic13::main ... ok
[INFO] [stdout] test practic14::main ... ok
[INFO] [stdout] test practic15::main ... ok
[INFO] [stdout] test practic7::main ... ok
[INFO] [stdout] test Hackerrank::solve_me_first::main ... FAILED
[INFO] [stdout] test practic16::main ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- Hackerrank::solve_me_first::main stdout ----
[INFO] [stdout] thread 'Hackerrank::solve_me_first::main' panicked at src/Hackerrank/solve_me_first.rs:11:52:
[INFO] [stdout] parse error
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d260e36e04a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5d260e36e04a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5d260e36e04a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d260e36e04a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d260e393483 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5d260e393483 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5d260e36ab03 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5d260e36de92 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5d260e36f4aa - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5d260e36f2b4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5d260e300259 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5d260e300259 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5d260e36fb48 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5d260e36fb48 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5d260e36f90a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5d260e36e529 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5d260e36f59c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5d260e2a1020 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5d260e2a0ffb - core::panicking::panic_display::h735d9af8bded520c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:264:5
[INFO] [stdout]   19:     0x5d260e2a0ffb - core::option::expect_failed::h95d2432053ef5ebb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/option.rs:2021:5
[INFO] [stdout]   20:     0x5d260e2bfd95 - core::option::Option<T>::expect::h574c18997ea0142e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/option.rs:933:21
[INFO] [stdout]   21:     0x5d260e2c2cb0 - pr9::Hackerrank::solve_me_first::main::he347dc805a7100b7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Hackerrank/solve_me_first.rs:11:22
[INFO] [stdout]   22:     0x5d260e2c2a47 - pr9::Hackerrank::solve_me_first::main::{{closure}}::hb8e2ed966823d450
[INFO] [stdout]                                at /opt/rustwide/workdir/src/Hackerrank/solve_me_first.rs:4:10
[INFO] [stdout]   23:     0x5d260e2ae676 - core::ops::function::FnOnce::call_once::h322263d9a44f83d3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d260e304c1b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5d260e304c1b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5d260e304457 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5d260e304457 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5d260e304457 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x5d260e304457 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x5d260e304457 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x5d260e304457 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5d260e304457 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x5d260e2c9734 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5d260e2c9734 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x5d260e2ccdfe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x5d260e2ccdfe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5d260e2ccdfe - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x5d260e2ccdfe - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x5d260e2ccdfe - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x5d260e2ccdfe - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x5d260e2ccdfe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5d260e37389b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5d260e37389b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   44:     0x5d260e37389b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x71d04dd3fac3 - <unknown>
[INFO] [stdout]   46:     0x71d04ddd0a04 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     Hackerrank::solve_me_first::main
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 19 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin pr9`
[INFO] running `Command { std: "docker" "inspect" "1dd0e930d1835871d274db365a13ef34f70e5a03181d9324e31a8a8e16f21aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd0e930d1835871d274db365a13ef34f70e5a03181d9324e31a8a8e16f21aaa", kill_on_drop: false }`
[INFO] [stdout] 1dd0e930d1835871d274db365a13ef34f70e5a03181d9324e31a8a8e16f21aaa
