[INFO] cloning repository https://github.com/Marcus0086/DSA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marcus0086/DSA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcus0086%2FDSA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcus0086%2FDSA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ebc5319407c1617532989fab9889172b4439093
[INFO] testing Marcus0086/DSA against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcus0086%2FDSA" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marcus0086/DSA on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Marcus0086/DSA
[INFO] finished tweaking git repo https://github.com/Marcus0086/DSA
[INFO] tweaked toml for git repo https://github.com/Marcus0086/DSA written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Marcus0086/DSA 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3114c36fc46a1d66baa70c8f759cdaaa3f944211d80d33d9579bf8b38ef956d
[INFO] running `Command { std: "docker" "start" "-a" "f3114c36fc46a1d66baa70c8f759cdaaa3f944211d80d33d9579bf8b38ef956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3114c36fc46a1d66baa70c8f759cdaaa3f944211d80d33d9579bf8b38ef956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3114c36fc46a1d66baa70c8f759cdaaa3f944211d80d33d9579bf8b38ef956d", kill_on_drop: false }`
[INFO] [stdout] f3114c36fc46a1d66baa70c8f759cdaaa3f944211d80d33d9579bf8b38ef956d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeca6e2b19565e71d7ba9db89580cb4c851922c0037021b0ffa89139e3e27245
[INFO] running `Command { std: "docker" "start" "-a" "aeca6e2b19565e71d7ba9db89580cb4c851922c0037021b0ffa89139e3e27245", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/array_str.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |         if (s.len() == 0 || s.len() == 1) {
[INFO] [stdout]    |            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -         if (s.len() == 0 || s.len() == 1) {
[INFO] [stdout] 75 +         if s.len() == 0 || s.len() == 1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/recursion.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/recursion.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_all.rs:207:14
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_all.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/array_str.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/array_str.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] 6   |     pub fn profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn is_valid_pallindrome(s: &String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43  |     pub fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54  |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74  |     pub fn longest_pallindrome(s: String) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn three_sum(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/dp.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]   --> src/dp.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn without_dp_fib(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn with_dp_fib_loop(n: u128) -> u128 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn with_rec_fib(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn dp_rec_fib_helper(n: u64, map: &mut HashMap<u64, u64>) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn dp_rec_fib(n: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn climbing_stairs(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn max_subarray(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/graphs.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/graphs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_neighbor`, `get_neighbors`, and `get_val` are never used
[INFO] [stdout]   --> src/graphs.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn add_neighbor(&mut self, neighbor: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn get_neighbors(&self) -> Vec<Rc<RefCell<Node>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_val(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/graphs.rs:32:12
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] 32  |     pub fn dfs_flood_fill(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63  |     pub fn bfs_flood_fill(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn flood_fill_bfs(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn update_matrix(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn nearest_one(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn dfs_clone_graph(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn clone_graph(node: Option<Rc<RefCell<Node>>>) -> Option<Rc<RefCell<Node>>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 |     pub fn clone_graph_bfs(node: Option<Rc<RefCell<Node>>>) -> Option<Rc<RefCell<Node>>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 |     pub fn oranges_rotting(grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 309 |     pub fn num_islands_dfs(grid: &mut Vec<Vec<char>>, i: usize, j: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 319 |     pub fn num_islands(grid: Vec<Vec<char>>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 336 |     pub fn exist_dfs(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 361 |     pub fn exist(board: Vec<Vec<char>>, word: String) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn can_finish_dfs(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     pub fn can_finish(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn find_order(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub fn ladder_length(begin_word: String, end_word: String, word_list: Vec<String>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]    --> src/graphs.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 | pub struct Graph<VID, Edge = (), Vertices = ()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/graphs.rs:520:12
[INFO] [stdout]     |
[INFO] [stdout] 514 | / impl<
[INFO] [stdout] 515 | |         VID: std::cmp::Eq + std::hash::Hash + Copy + std::fmt::Debug,
[INFO] [stdout] 516 | |         Edge: std::fmt::Debug,
[INFO] [stdout] 517 | |         Vertices: std::fmt::Debug,
[INFO] [stdout] 518 | |     > Graph<VID, Edge, Vertices>
[INFO] [stdout]     | |________________________________- associated items in this implementation
[INFO] [stdout] 519 |   {
[INFO] [stdout] 520 |       pub fn new() -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 |       pub fn add_vertex(&mut self, id: VID, vertices: Vertices) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 531 |       pub fn add_edge(&mut self, from: VID, to: VID, edge: Edge) {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 535 |       pub fn get_edges(&self) -> &HashMap<VID, Vec<(VID, Edge)>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |       pub fn bfs(&self, start: VID) -> Vec<VID> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 562 |       pub fn dfs_helper(&self, vertex: VID, visited: &mut HashSet<VID>, result: &mut Vec<VID>) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 574 |       pub fn dfs(&self, start: VID) -> Vec<VID> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 581 |       pub fn topological_dfs(
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |       pub fn topological_sort(&self) -> Vec<VID> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/recursion.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/recursion.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] 6   |
[INFO] [stdout] 7   |     pub fn print_desc(n: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18  |     pub fn print_asc(n: i32) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28  |     pub fn exp(n: i32) -> i32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42  |     pub fn fact_helper(n: u128, acc: u128) -> u128 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50  |     pub fn fact(n: u128) -> u128 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn fib_memo(n: u128, memo: &mut HashMap<u128, u128>) -> u128 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn fib(n: u128) -> u128 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |     pub fn spell_loop(mut n: i32) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn spell_recur_helper(n: i32, spells: &HashMap<i32, String>, result: &mut String) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |     pub fn spell_recursion(n: i32) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn sorted_unsorted_check_helper(arr: &[i32], i: &usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn sorted_unsorted_check(arr: &[i32]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn subset_helper(arr: &[i32], i: &usize, acc: &mut Vec<Vec<i32>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn subset(arr: &[i32]) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/test_all.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/test_all.rs:8:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] 8   |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20  |     pub fn isValid(s: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42  |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn bfs_flood_fill(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn can_constrct(ransom: String, magazine: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn longest_pallindrome(s: String) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn can_finish(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn accounts_merge(accounts: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/two_sum.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `two_sum`, `two_sum_two_pass_hash`, `two_sum_one_pass_hash`, and `two_sum_two` are never used
[INFO] [stdout]   --> src/two_sum.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 6  |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn two_sum_two_pass_hash(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn two_sum_one_pass_hash(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn two_sum_two(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/valid_paranthesis.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]  --> src/valid_paranthesis.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxP` should have a snake case name
[INFO] [stdout]  --> src/array_str.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut maxP = 0;
[INFO] [stdout]   |                 ^^^^ help: convert the identifier to snake case: `max_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isValid` should have a snake case name
[INFO] [stdout]   --> src/test_all.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn isValid(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `is_valid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "aeca6e2b19565e71d7ba9db89580cb4c851922c0037021b0ffa89139e3e27245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeca6e2b19565e71d7ba9db89580cb4c851922c0037021b0ffa89139e3e27245", kill_on_drop: false }`
[INFO] [stdout] aeca6e2b19565e71d7ba9db89580cb4c851922c0037021b0ffa89139e3e27245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b5e81afcd047490d6776cc5d0e440806ee9fc1e7dd947d99b4f7b253a296f2
[INFO] running `Command { std: "docker" "start" "-a" "54b5e81afcd047490d6776cc5d0e440806ee9fc1e7dd947d99b4f7b253a296f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/array_str.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |         if (s.len() == 0 || s.len() == 1) {
[INFO] [stdout]    |            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -         if (s.len() == 0 || s.len() == 1) {
[INFO] [stdout] 75 +         if s.len() == 0 || s.len() == 1 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/recursion.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/recursion.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_all.rs:207:14
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stdout]     |              ----^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/test_all.rs:207:25
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_anagram`, `find_median_sorted_arrays`, and `can_construct` are never used
[INFO] [stdout]    --> src/array_str.rs:54:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54  |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `without_dp_fib`, `with_rec_fib`, `dp_rec_fib_helper`, and `dp_rec_fib` are never used
[INFO] [stdout]   --> src/dp.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 5  |     pub fn without_dp_fib(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn with_rec_fib(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn dp_rec_fib_helper(n: u64, map: &mut HashMap<u64, u64>) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn dp_rec_fib(n: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_neighbors` is never used
[INFO] [stdout]   --> src/graphs.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn get_neighbors(&self) -> Vec<Rc<RefCell<Node>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/graphs.rs:63:12
[INFO] [stdout]     |
[INFO] [stdout] 31  | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63  |     pub fn bfs_flood_fill(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn flood_fill_bfs(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn nearest_one(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn can_finish_dfs(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 406 |     pub fn can_finish(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 424 |     pub fn find_order(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 457 |     pub fn ladder_length(begin_word: String, end_word: String, word_list: Vec<String>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertices` is never read
[INFO] [stdout]    --> src/graphs.rs:511:5
[INFO] [stdout]     |
[INFO] [stdout] 510 | pub struct Graph<VID, Edge = (), Vertices = ()> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 511 |     vertices: HashMap<VID, Vertices>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_vertex` and `bfs` are never used
[INFO] [stdout]    --> src/graphs.rs:527:12
[INFO] [stdout]     |
[INFO] [stdout] 514 | / impl<
[INFO] [stdout] 515 | |         VID: std::cmp::Eq + std::hash::Hash + Copy + std::fmt::Debug,
[INFO] [stdout] 516 | |         Edge: std::fmt::Debug,
[INFO] [stdout] 517 | |         Vertices: std::fmt::Debug,
[INFO] [stdout] 518 | |     > Graph<VID, Edge, Vertices>
[INFO] [stdout]     | |________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 527 |       pub fn add_vertex(&mut self, id: VID, vertices: Vertices) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 539 |       pub fn bfs(&self, start: VID) -> Vec<VID> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `print_desc`, `print_asc`, and `spell_loop` are never used
[INFO] [stdout]   --> src/recursion.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 6  |
[INFO] [stdout] 7  |     pub fn print_desc(n: i32) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn print_asc(n: i32) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn spell_loop(mut n: i32) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/test_all.rs:8:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout] 8   |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20  |     pub fn isValid(s: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42  |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn bfs_flood_fill(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn accounts_merge(accounts: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `two_sum_two_pass_hash` and `two_sum_two` are never used
[INFO] [stdout]   --> src/two_sum.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn two_sum_two_pass_hash(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn two_sum_two(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_two_sum_two_pass_hash` is never used
[INFO] [stdout]   --> src/main.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn test_two_sum_two_pass_hash() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `maxP` should have a snake case name
[INFO] [stdout]  --> src/array_str.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut maxP = 0;
[INFO] [stdout]   |                 ^^^^ help: convert the identifier to snake case: `max_p`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isValid` should have a snake case name
[INFO] [stdout]   --> src/test_all.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn isValid(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `is_valid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "54b5e81afcd047490d6776cc5d0e440806ee9fc1e7dd947d99b4f7b253a296f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b5e81afcd047490d6776cc5d0e440806ee9fc1e7dd947d99b4f7b253a296f2", kill_on_drop: false }`
[INFO] [stdout] 54b5e81afcd047490d6776cc5d0e440806ee9fc1e7dd947d99b4f7b253a296f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f54b02263abbd7fe6b78a76ef33b233ed11ab3fa8aa1b40b40c927cb83d4e476
[INFO] running `Command { std: "docker" "start" "-a" "f54b02263abbd7fe6b78a76ef33b233ed11ab3fa8aa1b40b40c927cb83d4e476", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/array_str.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         if (s.len() == 0 || s.len() == 1) {
[INFO] [stderr]    |            ^                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -         if (s.len() == 0 || s.len() == 1) {
[INFO] [stderr] 75 +         if s.len() == 0 || s.len() == 1 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/recursion.rs:164:17
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/recursion.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let mut result: Vec<i32> = Vec::new();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/test_all.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/test_all.rs:207:25
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let (mut graph, mut email_to_name) = accounts.into_iter().fold(
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_anagram`, `find_median_sorted_arrays`, and `can_construct` are never used
[INFO] [stderr]    --> src/array_str.rs:54:12
[INFO] [stderr]     |
[INFO] [stderr] 5   | impl Solution {
[INFO] [stderr]     | ------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 54  |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 166 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 178 |     pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `without_dp_fib`, `with_rec_fib`, `dp_rec_fib_helper`, and `dp_rec_fib` are never used
[INFO] [stderr]   --> src/dp.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr] 4  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 5  |     pub fn without_dp_fib(n: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     pub fn with_rec_fib(n: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn dp_rec_fib_helper(n: u64, map: &mut HashMap<u64, u64>) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn dp_rec_fib(n: u64) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_neighbors` is never used
[INFO] [stderr]   --> src/graphs.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Node {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn get_neighbors(&self) -> Vec<Rc<RefCell<Node>>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated functions are never used
[INFO] [stderr]    --> src/graphs.rs:63:12
[INFO] [stderr]     |
[INFO] [stderr] 31  | impl Solution {
[INFO] [stderr]     | ------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 63  |     pub fn bfs_flood_fill(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94  |     pub fn flood_fill_bfs(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |     pub fn nearest_one(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 374 |     pub fn can_finish_dfs(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 406 |     pub fn can_finish(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 424 |     pub fn find_order(num_courses: i32, prerequisites: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 457 |     pub fn ladder_length(begin_word: String, end_word: String, word_list: Vec<String>) -> i32 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `vertices` is never read
[INFO] [stderr]    --> src/graphs.rs:511:5
[INFO] [stderr]     |
[INFO] [stderr] 510 | pub struct Graph<VID, Edge = (), Vertices = ()> {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 511 |     vertices: HashMap<VID, Vertices>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Graph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_vertex` and `bfs` are never used
[INFO] [stderr]    --> src/graphs.rs:527:12
[INFO] [stderr]     |
[INFO] [stderr] 514 | / impl<
[INFO] [stderr] 515 | |         VID: std::cmp::Eq + std::hash::Hash + Copy + std::fmt::Debug,
[INFO] [stderr] 516 | |         Edge: std::fmt::Debug,
[INFO] [stderr] 517 | |         Vertices: std::fmt::Debug,
[INFO] [stderr] 518 | |     > Graph<VID, Edge, Vertices>
[INFO] [stderr]     | |________________________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 527 |       pub fn add_vertex(&mut self, id: VID, vertices: Vertices) {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 539 |       pub fn bfs(&self, start: VID) -> Vec<VID> {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `print_desc`, `print_asc`, and `spell_loop` are never used
[INFO] [stderr]   --> src/recursion.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 6  |
[INFO] [stderr] 7  |     pub fn print_desc(n: i32) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn print_asc(n: i32) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub fn spell_loop(mut n: i32) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated functions are never used
[INFO] [stderr]    --> src/test_all.rs:8:12
[INFO] [stderr]     |
[INFO] [stderr] 7   | impl Solution {
[INFO] [stderr]     | ------------- associated functions in this implementation
[INFO] [stderr] 8   |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20  |     pub fn isValid(s: String) -> bool {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42  |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57  |     pub fn is_palindrome(s: String) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub fn bfs_flood_fill(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 206 |     pub fn accounts_merge(accounts: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `two_sum_two_pass_hash` and `two_sum_two` are never used
[INFO] [stderr]   --> src/two_sum.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn two_sum_two_pass_hash(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn two_sum_two(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_two_sum_two_pass_hash` is never used
[INFO] [stderr]   --> src/main.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn test_two_sum_two_pass_hash() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxP` should have a snake case name
[INFO] [stderr]  --> src/array_str.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut maxP = 0;
[INFO] [stderr]   |                 ^^^^ help: convert the identifier to snake case: `max_p`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `isValid` should have a snake case name
[INFO] [stderr]   --> src/test_all.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn isValid(s: String) -> bool {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to snake case: `is_valid`
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (bin "leetcode" test) generated 17 warnings (run `cargo fix --bin "leetcode" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-5b7128be0034ef03)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test test_all::test::test_can_construct ... ok
[INFO] [stdout] test tests::test_angram ... ok
[INFO] [stdout] test test_all::test::test_longest_pallindrome ... ok
[INFO] [stdout] test tests::test_clone_graph ... ok
[INFO] [stdout] test test_all::test::test_can_finish ... ok
[INFO] [stdout] test tests::test_climbing_stairs ... ok
[INFO] [stdout] test tests::test_clone_graph_bfs ... ok
[INFO] [stdout] test tests::test_contain_duplicate ... ok
[INFO] [stdout] test tests::test_contain_duplicate_2 ... ok
[INFO] [stdout] test tests::test_exp ... ok
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] test tests::test_fib ... ok
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] test tests::test_flood_fill ... ok
[INFO] [stdout] test tests::test_graph_bfs ... ok
[INFO] [stdout] test tests::test_majority_element ... ok
[INFO] [stdout] test tests::test_max_subarray ... ok
[INFO] [stdout] test tests::test_longest_pallindrome ... ok
[INFO] [stdout] test tests::test_profit ... ok
[INFO] [stdout] test tests::test_sorted_unsorted_arr_false ... ok
[INFO] [stdout] test tests::test_pallindrom ... ok
[INFO] [stdout] test tests::test_profit_2 ... ok
[INFO] [stdout] test tests::test_oranges_rotting ... ok
[INFO] [stdout] test tests::test_valid_paranthesis_2 ... ok
[INFO] [stdout] test tests::test_valid_paranthesis_3 ... ok
[INFO] [stdout] test tests::test_spell_recur ... ok
[INFO] [stdout] test tests::test_valid_paranthesis_4 ... ok
[INFO] [stdout] test tests::test_three_sum ... ok
[INFO] [stdout] test tests::test_two_sum ... ok
[INFO] [stdout] test tests::test_sorted_unsorted_arr_true ... ok
[INFO] [stdout] test tests::test_update_matrix ... ok
[INFO] [stdout] test tests::test_topological_sort ... ok
[INFO] [stdout] test tests::test_subsets ... ok
[INFO] [stdout] test tests::test_two_sum_one_pass_hash ... ok
[INFO] [stdout] test tests::test_valid_paranthesis ... ok
[INFO] [stdout] test tests::test_exist ... FAILED
[INFO] [stdout] test tests::test_num_islands ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_exist stdout ----
[INFO] [stdout] thread 'tests::test_exist' panicked at src/graphs.rs:353:49:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce55482b15 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55ce55482b15 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ce55482b15 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55ce55482b15 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ce554a9c1b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55ce554a9c1b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55ce5548034f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55ce554828ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ce554828ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ce55484319 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55ce55483fde - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55ce5545523a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55ce5545523a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55ce5548491b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55ce5548491b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55ce5548465b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stdout]   16:     0x55ce55482fd9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55ce554843c7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55ce553e48a3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55ce553e4fc7 - core::panicking::panic_const::panic_const_sub_overflow::h38a7349fcc41790b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:179:21
[INFO] [stdout]   20:     0x55ce553fa4e7 - leetcode::graphs::Solution::exist_dfs::he874eebc6f63d32c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:353:49
[INFO] [stdout]   21:     0x55ce553fa933 - leetcode::graphs::Solution::exist::h806bd748c98e2f3a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:366:20
[INFO] [stdout]   22:     0x55ce5542171e - leetcode::tests::test_exist::h6f3e0f45cb6ac99d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:360:20
[INFO] [stdout]   23:     0x55ce55421417 - leetcode::tests::test_exist::{{closure}}::h08534201c68c3e52
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:354:20
[INFO] [stdout]   24:     0x55ce55402a76 - core::ops::function::FnOnce::call_once::hacac83f2ac252ca7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55ce55459c1b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55ce55459c1b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   27:     0x55ce55459321 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   28:     0x55ce55459321 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55ce55459321 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x55ce55459321 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x55ce55459321 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x55ce55459321 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   33:     0x55ce55459321 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   34:     0x55ce55421ce4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   35:     0x55ce55421ce4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   36:     0x55ce55426712 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   37:     0x55ce55426712 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55ce55426712 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   39:     0x55ce55426712 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   40:     0x55ce55426712 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   41:     0x55ce55426712 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   42:     0x55ce55426712 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55ce55488afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x55ce55488afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   45:     0x55ce55488afb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7fcdd6605ac3 - <unknown>
[INFO] [stdout]   47:     0x7fcdd6696a04 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_num_islands stdout ----
[INFO] [stdout] thread 'tests::test_num_islands' panicked at src/graphs.rs:313:41:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ce55482b15 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x55ce55482b15 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ce55482b15 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55ce55482b15 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ce554a9c1b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x55ce554a9c1b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x55ce5548034f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x55ce554828ee - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ce554828ee - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ce55484319 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x55ce55483fde - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x55ce5545523a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x55ce5545523a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x55ce5548491b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x55ce5548491b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x55ce5548465b - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stdout]   16:     0x55ce55482fd9 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55ce554843c7 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x55ce553e48a3 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55ce553e4fc7 - core::panicking::panic_const::panic_const_sub_overflow::h38a7349fcc41790b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:179:21
[INFO] [stdout]   20:     0x55ce553f9f7b - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:313:41
[INFO] [stdout]   21:     0x55ce553f9f56 - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:313:13
[INFO] [stdout]   22:     0x55ce553f9f56 - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:313:13
[INFO] [stdout]   23:     0x55ce553f9f8f - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:314:13
[INFO] [stdout]   24:     0x55ce553f9f19 - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:312:13
[INFO] [stdout]   25:     0x55ce553f9f19 - leetcode::graphs::Solution::num_islands_dfs::h9ef8ce2a5cb148cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:312:13
[INFO] [stdout]   26:     0x55ce553fa267 - leetcode::graphs::Solution::num_islands::haf176514ae293a3f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/graphs.rs:328:21
[INFO] [stdout]   27:     0x55ce5542134c - leetcode::tests::test_num_islands::hece5515c385f9ab6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:350:20
[INFO] [stdout]   28:     0x55ce55420fe7 - leetcode::tests::test_num_islands::{{closure}}::h2eece38ab515268e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:343:26
[INFO] [stdout]   29:     0x55ce55402cc6 - core::ops::function::FnOnce::call_once::hc0737e5408c58863
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x55ce55459c1b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x55ce55459c1b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   32:     0x55ce55459321 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   33:     0x55ce55459321 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x55ce55459321 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   35:     0x55ce55459321 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   36:     0x55ce55459321 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   37:     0x55ce55459321 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   38:     0x55ce55459321 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   39:     0x55ce55421ce4 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   40:     0x55ce55421ce4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   41:     0x55ce55426712 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   42:     0x55ce55426712 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   43:     0x55ce55426712 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   44:     0x55ce55426712 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   45:     0x55ce55426712 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   46:     0x55ce55426712 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   47:     0x55ce55426712 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x55ce55488afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   49:     0x55ce55488afb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   50:     0x55ce55488afb - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   51:     0x7fcdd6605ac3 - <unknown>
[INFO] [stdout]   52:     0x7fcdd6696a04 - __clone
[INFO] [stdout]   53:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_exist
[INFO] [stdout]     tests::test_num_islands
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin leetcode`
[INFO] running `Command { std: "docker" "inspect" "f54b02263abbd7fe6b78a76ef33b233ed11ab3fa8aa1b40b40c927cb83d4e476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b02263abbd7fe6b78a76ef33b233ed11ab3fa8aa1b40b40c927cb83d4e476", kill_on_drop: false }`
[INFO] [stdout] f54b02263abbd7fe6b78a76ef33b233ed11ab3fa8aa1b40b40c927cb83d4e476
