[INFO] cloning repository https://github.com/techsaavy8784/rust-coding-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/techsaavy8784/rust-coding-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechsaavy8784%2Frust-coding-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechsaavy8784%2Frust-coding-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c035af2dc29ca00ff6a46e2c67c593b42f4ec2c7
[INFO] checking techsaavy8784/rust-coding-challenges against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechsaavy8784%2Frust-coding-challenges" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/techsaavy8784/rust-coding-challenges
[INFO] finished tweaking git repo https://github.com/techsaavy8784/rust-coding-challenges
[INFO] tweaked toml for git repo https://github.com/techsaavy8784/rust-coding-challenges written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/techsaavy8784/rust-coding-challenges on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/techsaavy8784/rust-coding-challenges 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf139ad899210feb7040f6e84fcaa1e40b4e06214e600669f7f7e9e35b64cbe5
[INFO] running `Command { std: "docker" "start" "-a" "bf139ad899210feb7040f6e84fcaa1e40b4e06214e600669f7f7e9e35b64cbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf139ad899210feb7040f6e84fcaa1e40b4e06214e600669f7f7e9e35b64cbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf139ad899210feb7040f6e84fcaa1e40b4e06214e600669f7f7e9e35b64cbe5", kill_on_drop: false }`
[INFO] [stdout] bf139ad899210feb7040f6e84fcaa1e40b4e06214e600669f7f7e9e35b64cbe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a74aee072fcc121ccdde906e8be28157718dc05c62a2fa77206b28f94d4728
[INFO] running `Command { std: "docker" "start" "-a" "a4a74aee072fcc121ccdde906e8be28157718dc05c62a2fa77206b28f94d4728", kill_on_drop: false }`
[INFO] [stderr]     Checking solve-me-first v0.1.0 (/opt/rustwide/workdir/easy/solve-me-first)
[INFO] [stderr]     Checking the-time-in-words v0.1.0 (/opt/rustwide/workdir/medium/the-time-in-words)
[INFO] [stderr]     Checking simple-array-sum v0.1.0 (/opt/rustwide/workdir/easy/simple-array-sum)
[INFO] [stderr]     Checking magic-square-forming v0.1.0 (/opt/rustwide/workdir/medium/magic-square-forming)
[INFO] [stderr]     Checking climbing-the-leaderboard v0.1.0 (/opt/rustwide/workdir/medium/climbing-the-leaderboard)
[INFO] [stderr]     Checking extra-long-factorials v0.1.0 (/opt/rustwide/workdir/medium/extra-long-factorials)
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> medium/extra-long-factorials/src/main.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{self, BufRead}, borrow::Borrow};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` should have a snake case name
[INFO] [stdout]  --> medium/extra-long-factorials/src/main.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]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> easy/simple-array-sum/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/the-time-in-words/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simpleArraySum` should have a snake case name
[INFO] [stdout]   --> easy/simple-array-sum/src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn simpleArraySum(ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_array_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simpleArraySum` should have a snake case name
[INFO] [stdout]   --> easy/simple-array-sum/src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn simpleArraySum(ar: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_array_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/climbing-the-leaderboard/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeInWords` should have a snake case name
[INFO] [stdout]   --> medium/the-time-in-words/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn timeInWords(h: i32, m: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `time_in_words`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `timeInWords` should have a snake case name
[INFO] [stdout]   --> medium/the-time-in-words/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn timeInWords(h: i32, m: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `time_in_words`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climbingLeaderboard` should have a snake case name
[INFO] [stdout]   --> medium/climbing-the-leaderboard/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn climbingLeaderboard(ranked: &[i32], player: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `climbing_leaderboard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compare-the-triplets v0.1.0 (/opt/rustwide/workdir/easy/compare-the-triplets)
[INFO] [stderr]     Checking matrix-rotation-algo v0.1.0 (/opt/rustwide/workdir/hard/matrix-rotation-algo)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climbingLeaderboard` should have a snake case name
[INFO] [stdout]   --> medium/climbing-the-leaderboard/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn climbingLeaderboard(ranked: &[i32], player: &[i32]) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `climbing_leaderboard`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking non-divisible-subset v0.1.0 (/opt/rustwide/workdir/medium/non-divisible-subset)
[INFO] [stdout] warning: function `matrixRotation` should have a snake case name
[INFO] [stdout]   --> hard/matrix-rotation-algo/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn matrixRotation(matrix: &[Vec<i32>], r: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matrix_rotation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` should have a snake case name
[INFO] [stdout]   --> easy/compare-the-triplets/src/main.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]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking queens-attack2 v0.1.0 (/opt/rustwide/workdir/medium/queens-attack2)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> medium/extra-long-factorials/src/main.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{self, BufRead}, borrow::Borrow};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/magic-square-forming/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` should have a snake case name
[INFO] [stdout]   --> medium/magic-square-forming/src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `forming_magic_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> easy/compare-the-triplets/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/non-divisible-subset/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> medium/non-divisible-subset/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let n = first_multiple_input[0].trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nonDivisibleSubset` should have a snake case name
[INFO] [stdout]   --> medium/non-divisible-subset/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn nonDivisibleSubset(k: i32, s: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `non_divisible_subset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compareTriplets` should have a snake case name
[INFO] [stdout]   --> easy/compare-the-triplets/src/main.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]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> medium/queens-attack2/src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn queensAttack(n: i32, k: i32, r_q: i32, c_q: i32, obstacles: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queensAttack` should have a snake case name
[INFO] [stdout]   --> medium/queens-attack2/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn queensAttack(n: i32, k: i32, r_q: i32, c_q: i32, obstacles: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `queens_attack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extraLongFactorials` should have a snake case name
[INFO] [stdout]  --> medium/extra-long-factorials/src/main.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]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `formingMagicSquare` should have a snake case name
[INFO] [stdout]   --> medium/magic-square-forming/src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn formingMagicSquare(s: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `forming_magic_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> medium/non-divisible-subset/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let n = first_multiple_input[0].trim().parse::<i32>().unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matrixRotation` should have a snake case name
[INFO] [stdout]   --> hard/matrix-rotation-algo/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn matrixRotation(matrix: &[Vec<i32>], r: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `matrix_rotation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nonDivisibleSubset` should have a snake case name
[INFO] [stdout]   --> medium/non-divisible-subset/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn nonDivisibleSubset(k: i32, s: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `non_divisible_subset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> medium/queens-attack2/src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> medium/queens-attack2/src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn queensAttack(n: i32, k: i32, r_q: i32, c_q: i32, obstacles: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queensAttack` should have a snake case name
[INFO] [stdout]   --> medium/queens-attack2/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn queensAttack(n: i32, k: i32, r_q: i32, c_q: i32, obstacles: &[Vec<i32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `queens_attack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a4a74aee072fcc121ccdde906e8be28157718dc05c62a2fa77206b28f94d4728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a74aee072fcc121ccdde906e8be28157718dc05c62a2fa77206b28f94d4728", kill_on_drop: false }`
[INFO] [stdout] a4a74aee072fcc121ccdde906e8be28157718dc05c62a2fa77206b28f94d4728
