[INFO] cloning repository https://github.com/Knapptr/leet_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Knapptr/leet_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnapptr%2Fleet_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnapptr%2Fleet_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d657857bc14aee545398956e638fa9028be38f2e
[INFO] testing Knapptr/leet_code against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnapptr%2Fleet_code" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Knapptr/leet_code
[INFO] finished tweaking git repo https://github.com/Knapptr/leet_code
[INFO] tweaked toml for git repo https://github.com/Knapptr/leet_code written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Knapptr/leet_code on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Knapptr/leet_code 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0987ee649d1b5e9ef95035ca5dfccaa2644b8a3aec6639f89dc8fbf26f4ded2a
[INFO] running `Command { std: "docker" "start" "-a" "0987ee649d1b5e9ef95035ca5dfccaa2644b8a3aec6639f89dc8fbf26f4ded2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0987ee649d1b5e9ef95035ca5dfccaa2644b8a3aec6639f89dc8fbf26f4ded2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0987ee649d1b5e9ef95035ca5dfccaa2644b8a3aec6639f89dc8fbf26f4ded2a", kill_on_drop: false }`
[INFO] [stdout] 0987ee649d1b5e9ef95035ca5dfccaa2644b8a3aec6639f89dc8fbf26f4ded2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada2a9f5b1a6860b9e06a32db2a512730f4f68465b32a7e49d0016ecd693ebb5
[INFO] running `Command { std: "docker" "start" "-a" "ada2a9f5b1a6860b9e06a32db2a512730f4f68465b32a7e49d0016ecd693ebb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/destructest.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[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::mem`
[INFO] [stdout]   --> src/grind_75/invert_tree.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/grind_75/longest_substring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::HashMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/grind_75/lowest_common_ancestor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/grind_75/majority_element.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/permutations.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/grind_75/valid_palindrome.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/count_rule.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |             _ => rule_index = unreachable!(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^--------------
[INFO] [stdout]    |                  |            |
[INFO] [stdout]    |                  |            any code following this expression is unreachable
[INFO] [stdout]    |                  unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/grind_75/valid_palindrome.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/combo_phone.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut solution = String::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/count_build_good_strings.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sol = String::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rule_index` is never read
[INFO] [stdout]   --> src/count_rule.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut rule_index: i32 = -1;
[INFO] [stdout]    |                                   ^^ this value is reassigned later and never used
[INFO] [stdout] 16 |         match rule_key.as_ref() {
[INFO] [stdout] 17 |             "color" => rule_index = 1,
[INFO] [stdout]    |                        -------------- `rule_index` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/grind_75/insert_interval.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn insert_interval(mut intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[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/grind_75/insert_interval.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let mut current_element = &intervals[index];
[INFO] [stdout]    |                 ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]   --> src/grind_75/longest_substring.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for (char_index, char) in chars.iter().enumerate() {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_in`
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let first_in = match self.first_in_one {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/isomorphic_strings.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut s_chars: Vec<char> = s.chars().collect();
[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/isomorphic_strings.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut t_chars: Vec<char> = t.chars().collect();
[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/merge_two_bin_trees.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut current_node = match root {
[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/merge_two_bin_trees.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut new_node = Rc::new(RefCell::new(TreeNode::new(-1)));
[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/merge_two_bin_trees.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tree_1 = root1.as_ref();
[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/merge_two_bin_trees.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut tree_2 = root2.as_ref();
[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/merge_two_bin_trees.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut merged_tree = Rc::new(RefCell::new(TreeNode::new(0)));
[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/merge_two_bin_trees.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree_1`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tree_1 = root1.as_ref();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree_2`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut tree_2 = root2.as_ref();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_node`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/middle_linked_list.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn middle_node(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[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/permutations.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     mut solution: Vec<i32>,
[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/permutations.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut sol = Vec::new();
[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/remove_nth_from_end_2.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn remove_nth_from_end(mut head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |                            ----^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]  --> src/binary_search.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HOUR_VALUES` is never used
[INFO] [stdout]   --> src/binary_watch.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const HOUR_VALUES: [i32; 5] = [16, 8, 4, 2, 1];
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MINUTE_VALUES` is never used
[INFO] [stdout]   --> src/binary_watch.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const MINUTE_VALUES: [i32; 6] = [32, 16, 8, 4, 2, 1];
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_time_string` is never used
[INFO] [stdout]   --> src/binary_watch.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn to_time_string(hour: i32, minute: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]   --> src/binary_watch.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn backtrack(
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_watch` is never used
[INFO] [stdout]   --> src/binary_watch.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn binary_watch(turned_on: i32) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine` is never used
[INFO] [stdout]  --> src/combinations.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn combine(n: i32, k: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]   --> src/combinations.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn backtrack(curr_n: i32, target: i32, k: i32, sol: &mut Vec<i32>, sols: &mut Vec<Vec<i32>>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `letter_options` is never used
[INFO] [stdout]  --> src/combo_phone.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn letter_options(char: char) -> Vec<char> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]   --> src/combo_phone.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn backtrack(digits: &[char], solution: String, solutions: &mut Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `letter_combinations` is never used
[INFO] [stdout]   --> src/combo_phone.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn letter_combinations(digits: String) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/count_binary_strings.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_one` is never used
[INFO] [stdout]  --> src/count_binary_strings.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn is_one(char: char) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_binary_substrings` is never used
[INFO] [stdout]   --> src/count_binary_strings.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn count_binary_substrings(s: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choices` is never used
[INFO] [stdout]   --> src/count_build_good_strings.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn choices(zero: i32, one: i32) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]   --> src/count_build_good_strings.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn backtrack(sol: String, solutions: &mut Vec<String>, low: i32, high: i32, zero: i32, one: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_good_strings` is never used
[INFO] [stdout]   --> src/count_build_good_strings.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn construct_good_strings(low: i32, high: i32, zero: i32, one: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/count_rule.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_matches` is never used
[INFO] [stdout]   --> src/count_rule.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn count_matches(items: Vec<Vec<String>>, rule_key: String, rule_value: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/counting_bits.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_bits` is never used
[INFO] [stdout]  --> src/counting_bits.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn count_bits(n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/destructest.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `divide_players` is never used
[INFO] [stdout]   --> src/divide_players.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn divide_players(skill: Vec<i32>) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mock_is_bad_version` is never used
[INFO] [stdout]  --> src/first_bad_version.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn mock_is_bad_version(first_bad: i32) -> Box<dyn Fn(i32) -> bool> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_bad_version` is never used
[INFO] [stdout]   --> src/first_bad_version.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn first_bad_version(n: i32, answer: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_fill` is never used
[INFO] [stdout]  --> src/flood_fill.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_pairs` is never used
[INFO] [stdout]   --> src/four_sum.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn map_pairs(
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `four_sum` is never used
[INFO] [stdout]   --> src/four_sum.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn four_sum(nums: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_bin_chars` is never used
[INFO] [stdout]  --> src/grind_75/add_binary.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add_bin_chars(l: char, r: char) -> (char, bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_binary` is never used
[INFO] [stdout]   --> src/grind_75/add_binary.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn add_binary(mut a: String, mut b: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]   --> src/grind_75/best_time_stock.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search` is never used
[INFO] [stdout]  --> src/grind_75/binary_search.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]  --> src/grind_75/climbing_stairs.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `flood_fill_recursive` and `flood_fill` are never used
[INFO] [stdout]   --> src/grind_75/flood_fill.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 17 |     fn flood_fill_recursive(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn flood_fill(mut image: Vec<Vec<i32>>, sr: i32, sc: i32, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MergeCase` is never used
[INFO] [stdout]  --> src/grind_75/insert_interval.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum MergeCase {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `insert_interval` is never used
[INFO] [stdout]  --> src/grind_75/insert_interval.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     fn insert_interval(mut intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `invert_tree` and `invert_tree_2nd_attempt` are never used
[INFO] [stdout]    --> src/grind_75/invert_tree.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout]  97 | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout]  98 |     pub fn invert_tree(root: Option<Rc<RefCell<TreeNode>>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn invert_tree_2nd_attempt(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]   --> src/grind_75/is_balanced.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TreeNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/grind_75/is_balanced.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 18 |     #[inline]
[INFO] [stdout] 19 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> src/grind_75/is_balanced.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `longest_palindrome` is never used
[INFO] [stdout]   --> src/grind_75/longest_palindrome.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn longest_palindrome(s: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `longest_substring` is never used
[INFO] [stdout]   --> src/grind_75/longest_substring.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn longest_substring(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TreeNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 27 |     #[inline]
[INFO] [stdout] 28 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lowest_common_ancestor` is never used
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 37 |     pub fn lowest_common_ancestor(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `majority_element` is never used
[INFO] [stdout]   --> src/grind_75/majority_element.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 12 |     fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `update_matrix` is never used
[INFO] [stdout]  --> src/grind_75/matrix_01.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn update_matrix(mut mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_sub_array` is never used
[INFO] [stdout]  --> src/grind_75/max_sub_array.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 3 |     fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> src/grind_75/merge_sorted.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 46 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyQueue` is never constructed
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct MyQueue {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, and `empty` are never used
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl MyQueue {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]   --> src/grind_75/twosum.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_anagram` is never used
[INFO] [stdout]  --> src/grind_75/valid_anagram.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 8 |     fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]   --> src/grind_75/valid_palindrome.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     fn is_palindrome(s: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]   --> src/grind_75/valid_parens.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_happy` is never used
[INFO] [stdout]   --> src/happy_number.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn is_happy(mut n: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_square_digits` is never used
[INFO] [stdout]   --> src/happy_number.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn sum_square_digits(n: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/inorder_binary_tree_traversal.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/inorder_binary_tree_traversal.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TreeNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/inorder_binary_tree_traversal.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `inorder_traversal` is never used
[INFO] [stdout]   --> src/inorder_binary_tree_traversal.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn inorder_traversal(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_isomorphic` is never used
[INFO] [stdout]  --> src/isomorphic_strings.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn is_isomorphic(s:String, t:String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/longest_non_repeating_substring.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bfs` is never used
[INFO] [stdout]  --> src/matrix_01.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn bfs(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_matrix` is never used
[INFO] [stdout]   --> src/matrix_01.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn update_matrix(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/max_depth_bin_tree.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TreeNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/max_depth_bin_tree.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/max_depth_bin_tree.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_depth` is never used
[INFO] [stdout]   --> src/max_depth_bin_tree.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn max_depth(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/max_num_of_operations.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_operations` is never used
[INFO] [stdout]   --> src/max_num_of_operations.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     fn max_operations(mut nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/maximum_typed.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_be_typed_words` is never used
[INFO] [stdout]  --> src/maximum_typed.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn can_be_typed_words(text: String, broken_letters: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/merge_strings_alternately.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_alternately` is never used
[INFO] [stdout]  --> src/merge_strings_alternately.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn merge_alternately(word1: String, word2: String) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TreeNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tree` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | type Tree = Rc<RefCell<TreeNode>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     #[inline]
[INFO] [stdout] 24 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_pointer` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn insert_pointer(root: &mut Option<Tree>, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_stack` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn insert_stack(root: &mut Option<Tree>, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_nodes` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn merge_nodes(node1: Option<&Tree>, node2: Option<&Tree>) -> Option<Tree> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_trees` is never used
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn merge_trees(root1: Option<Tree>, root2: Option<Tree>) -> Option<Tree> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]   --> src/merge_two_sorted_lists.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ListNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/merge_two_sorted_lists.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 16 |     #[inline]
[INFO] [stdout] 17 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/merge_two_sorted_lists.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> src/merge_two_sorted_lists.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/middle_linked_list.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/middle_linked_list.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout]  9 |     #[inline]
[INFO] [stdout] 10 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `middle_node` is never used
[INFO] [stdout]   --> src/middle_linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn middle_node(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pascal` is never used
[INFO] [stdout]  --> src/pascal.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn pascal(n_rows: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/path_sum.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TreeNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/path_sum.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_path_sum` is never used
[INFO] [stdout]   --> src/path_sum.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn has_path_sum(root: Option<Rc<RefCell<TreeNode>>>, target_sum: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_inclusion` is never used
[INFO] [stdout]  --> src/permutation_in_a_string.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn check_inclusion(s1: String, s2: String) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]  --> src/permutations.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn backtrack(
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]   --> src/permutations.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn permute(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterative` is never used
[INFO] [stdout]   --> src/permutations.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn iterative(nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/remove_nth_from_end.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `from_vec` are never used
[INFO] [stdout]   --> src/remove_nth_from_end.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn from_vec(vals: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_nth_from_end` is never used
[INFO] [stdout]   --> src/remove_nth_from_end.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn remove_nth_from_end(mut head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/remove_nth_from_end_2.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `from_vec` are never used
[INFO] [stdout]   --> src/remove_nth_from_end_2.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl ListNode {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  8 |     #[inline]
[INFO] [stdout]  9 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn from_vec(vals: Vec<i32>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_nth_from_end` is never used
[INFO] [stdout]   --> src/remove_nth_from_end_2.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn remove_nth_from_end(mut head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse_words` is never used
[INFO] [stdout]  --> src/reverse_words_string.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn reverse_words(s: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shortest_to_char` is never used
[INFO] [stdout]  --> src/shortest_distance_to_character.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn shortest_to_char(s: String, c: char) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> src/twosum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert` is never used
[INFO] [stdout]   --> src/zigzag_conversion.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn convert(s: String, num_rows: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DIGIT_LETTERS` should have a snake case name
[INFO] [stdout]  --> src/combo_phone.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let DIGIT_LETTERS: Vec<Vec<char>> = vec![
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `digit_letters`
[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 `Result` that must be used
[INFO] [stdout]   --> src/grind_75/longest_substring.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         io::stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = io::stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/shortest_distance_to_character.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     while left < chars.len() && right >= 0 {
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ada2a9f5b1a6860b9e06a32db2a512730f4f68465b32a7e49d0016ecd693ebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada2a9f5b1a6860b9e06a32db2a512730f4f68465b32a7e49d0016ecd693ebb5", kill_on_drop: false }`
[INFO] [stdout] ada2a9f5b1a6860b9e06a32db2a512730f4f68465b32a7e49d0016ecd693ebb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe8d7e33aa821ed9613afe49fd5f8f87d5aca808e104c7f76ed31c63aab5d4e8
[INFO] running `Command { std: "docker" "start" "-a" "fe8d7e33aa821ed9613afe49fd5f8f87d5aca808e104c7f76ed31c63aab5d4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/grind_75/invert_tree.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | use std::mem;
[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: `collections::HashMap`
[INFO] [stdout]  --> src/grind_75/longest_substring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::HashMap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/grind_75/lowest_common_ancestor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/grind_75/majority_element.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/permutations.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/grind_75/valid_palindrome.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/count_rule.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |             _ => rule_index = unreachable!(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^--------------
[INFO] [stdout]    |                  |            |
[INFO] [stdout]    |                  |            any code following this expression is unreachable
[INFO] [stdout]    |                  unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/grind_75/valid_palindrome.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/combo_phone.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut solution = String::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/count_build_good_strings.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut sol = String::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rule_index` is never read
[INFO] [stdout]   --> src/count_rule.rs:15:35
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut rule_index: i32 = -1;
[INFO] [stdout]    |                                   ^^ this value is reassigned later and never used
[INFO] [stdout] 16 |         match rule_key.as_ref() {
[INFO] [stdout] 17 |             "color" => rule_index = 1,
[INFO] [stdout]    |                        -------------- `rule_index` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/destructest.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for x in 0..2 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cloned_option`
[INFO] [stdout]   --> src/destructest.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let cloned_option = option.as_ref().cloned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloned_option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/four_sum.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut all_pairs: Vec<_> = pairs.into_values().collect();
[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/grind_75/insert_interval.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn insert_interval(mut intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[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/grind_75/insert_interval.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let mut current_element = &intervals[index];
[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/grind_75/invert_tree.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut tree = Some(Rc::new(RefCell::new(TreeNode::from(vec![
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]   --> src/grind_75/longest_substring.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             for (char_index, char) in chars.iter().enumerate() {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_in`
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let first_in = match self.first_in_one {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/isomorphic_strings.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let mut s_chars: Vec<char> = s.chars().collect();
[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/isomorphic_strings.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut t_chars: Vec<char> = t.chars().collect();
[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/merge_two_bin_trees.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut current_node = match root {
[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/merge_two_bin_trees.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut new_node = Rc::new(RefCell::new(TreeNode::new(-1)));
[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/merge_two_bin_trees.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tree_1 = root1.as_ref();
[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/merge_two_bin_trees.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut tree_2 = root2.as_ref();
[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/merge_two_bin_trees.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut merged_tree = Rc::new(RefCell::new(TreeNode::new(0)));
[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/merge_two_bin_trees.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree_1`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut tree_1 = root1.as_ref();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree_2`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut tree_2 = root2.as_ref();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_node`
[INFO] [stdout]    --> src/merge_two_bin_trees.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/middle_linked_list.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn middle_node(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[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/path_sum.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut root = Some(Rc::new(RefCell::new(TreeNode {
[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/path_sum.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut root = Some(Rc::new(RefCell::new(TreeNode {
[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/permutations.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     mut solution: Vec<i32>,
[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/permutations.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut sol = Vec::new();
[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/remove_nth_from_end_2.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn remove_nth_from_end(mut head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |                            ----^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MergeCase` is never used
[INFO] [stdout]  --> src/grind_75/insert_interval.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum MergeCase {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `invert_tree` is never used
[INFO] [stdout]   --> src/grind_75/invert_tree.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 98 |     pub fn invert_tree(root: Option<Rc<RefCell<TreeNode>>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TreeNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 27 |     #[inline]
[INFO] [stdout] 28 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `lowest_common_ancestor` is never used
[INFO] [stdout]   --> src/grind_75/lowest_common_ancestor.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 37 |     pub fn lowest_common_ancestor(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyQueue` is never constructed
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct MyQueue {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, and `empty` are never used
[INFO] [stdout]   --> src/grind_75/queue_from_stacks.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl MyQueue {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 29 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn push(&mut self, x: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn pop(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn peek(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bfs` is never used
[INFO] [stdout]  --> src/matrix_01.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn bfs(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/max_depth_bin_tree.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_stack` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn insert_stack(root: &mut Option<Tree>, val: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_nodes` is never used
[INFO] [stdout]   --> src/merge_two_bin_trees.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn merge_nodes(node1: Option<&Tree>, node2: Option<&Tree>) -> Option<Tree> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/path_sum.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TreeNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DIGIT_LETTERS` should have a snake case name
[INFO] [stdout]  --> src/combo_phone.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let DIGIT_LETTERS: Vec<Vec<char>> = vec![
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `digit_letters`
[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 `Result` that must be used
[INFO] [stdout]   --> src/grind_75/longest_substring.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         io::stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = io::stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/shortest_distance_to_character.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 |     while left < chars.len() && right >= 0 {
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "fe8d7e33aa821ed9613afe49fd5f8f87d5aca808e104c7f76ed31c63aab5d4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8d7e33aa821ed9613afe49fd5f8f87d5aca808e104c7f76ed31c63aab5d4e8", kill_on_drop: false }`
[INFO] [stdout] fe8d7e33aa821ed9613afe49fd5f8f87d5aca808e104c7f76ed31c63aab5d4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a25eba664f08007b91ac9d1ea2bdd51e26516ba1bd5de1f181d573ccf792ddc
[INFO] running `Command { std: "docker" "start" "-a" "7a25eba664f08007b91ac9d1ea2bdd51e26516ba1bd5de1f181d573ccf792ddc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/grind_75/invert_tree.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/grind_75/longest_substring.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     collections::HashMap,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/grind_75/lowest_common_ancestor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/grind_75/majority_element.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]   --> src/merge_two_bin_trees.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::VecDeque;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]  --> src/permutations.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashSet, VecDeque};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]  --> src/grind_75/valid_palindrome.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/count_rule.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |             _ => rule_index = unreachable!(),
[INFO] [stderr]    |                  ^^^^^^^^^^^^^--------------
[INFO] [stderr]    |                  |            |
[INFO] [stderr]    |                  |            any code following this expression is unreachable
[INFO] [stderr]    |                  unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/grind_75/valid_palindrome.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/combo_phone.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut solution = String::new();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/count_build_good_strings.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut sol = String::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rule_index` is never read
[INFO] [stderr]   --> src/count_rule.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut rule_index: i32 = -1;
[INFO] [stderr]    |                                   ^^ this value is reassigned later and never used
[INFO] [stderr] 16 |         match rule_key.as_ref() {
[INFO] [stderr] 17 |             "color" => rule_index = 1,
[INFO] [stderr]    |                        -------------- `rule_index` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/destructest.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for x in 0..2 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cloned_option`
[INFO] [stderr]   --> src/destructest.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let cloned_option = option.as_ref().cloned();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cloned_option`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/four_sum.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut all_pairs: Vec<_> = pairs.into_values().collect();
[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/grind_75/insert_interval.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn insert_interval(mut intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[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/grind_75/insert_interval.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut current_element = &intervals[index];
[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/grind_75/invert_tree.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let mut tree = Some(Rc::new(RefCell::new(TreeNode::from(vec![
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char`
[INFO] [stderr]   --> src/grind_75/longest_substring.rs:24:30
[INFO] [stderr]    |
[INFO] [stderr] 24 |             for (char_index, char) in chars.iter().enumerate() {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_char`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_in`
[INFO] [stderr]   --> src/grind_75/queue_from_stacks.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let first_in = match self.first_in_one {
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_in`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/isomorphic_strings.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut s_chars: Vec<char> = s.chars().collect();
[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/isomorphic_strings.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut t_chars: Vec<char> = t.chars().collect();
[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/merge_two_bin_trees.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut current_node = match root {
[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/merge_two_bin_trees.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut new_node = Rc::new(RefCell::new(TreeNode::new(-1)));
[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/merge_two_bin_trees.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut tree_1 = root1.as_ref();
[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/merge_two_bin_trees.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut tree_2 = root2.as_ref();
[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/merge_two_bin_trees.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut merged_tree = Rc::new(RefCell::new(TreeNode::new(0)));
[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/merge_two_bin_trees.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree_1`
[INFO] [stderr]    --> src/merge_two_bin_trees.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let mut tree_1 = root1.as_ref();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree_2`
[INFO] [stderr]    --> src/merge_two_bin_trees.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut tree_2 = root2.as_ref();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_node`
[INFO] [stderr]    --> src/merge_two_bin_trees.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut current_node = merged_tree.clone();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_node`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/middle_linked_list.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn middle_node(mut head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[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/path_sum.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut root = Some(Rc::new(RefCell::new(TreeNode {
[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/path_sum.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut root = Some(Rc::new(RefCell::new(TreeNode {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stdout] 
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stdout] running 123 tests
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/permutations.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     mut solution: Vec<i32>,
[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/permutations.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut sol = Vec::new();
[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/remove_nth_from_end_2.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn remove_nth_from_end(mut head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]    |                            ----^^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MergeCase` is never used
[INFO] [stderr]  --> src/grind_75/insert_interval.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum MergeCase {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `invert_tree` is never used
[INFO] [stderr]   --> src/grind_75/invert_tree.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 98 |     pub fn invert_tree(root: Option<Rc<RefCell<TreeNode>>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TreeNode` is never constructed
[INFO] [stderr]   --> src/grind_75/lowest_common_ancestor.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct TreeNode {
[INFO] [stdout] test binary_search::exists ... ok
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stdout] test binary_search::single_element ... ok
[INFO] [stderr] 
[INFO] [stdout] test combinations::more_complex ... ok
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stdout] test binary_watch::case_one ... ok
[INFO] [stderr]   --> src/grind_75/lowest_common_ancestor.rs:28:12
[INFO] [stdout] test binary_watch::case_three ... ok
[INFO] [stderr]    |
[INFO] [stdout] test binary_search::not_exist ... ok
[INFO] [stderr] 26 | impl TreeNode {
[INFO] [stdout] test combo_phone::case_one ... ok
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stdout] test count_build_good_strings::case_one ... ok
[INFO] [stderr] 27 |     #[inline]
[INFO] [stdout] test count_build_good_strings::case_two ... ok
[INFO] [stderr] 28 |     pub fn new(val: i32) -> Self {
[INFO] [stdout] test count_build_good_strings::choice_vec ... ok
[INFO] [stderr]    |            ^^^
[INFO] [stdout] test count_rule::example_one ... ok
[INFO] [stderr] 
[INFO] [stdout] test counting_bits::example_one ... ok
[INFO] [stderr] warning: associated function `lowest_common_ancestor` is never used
[INFO] [stdout] test divide_players::example_1 ... ok
[INFO] [stderr]   --> src/grind_75/lowest_common_ancestor.rs:37:12
[INFO] [stdout] test divide_players::example_2 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test first_bad_version::case_1 ... ok
[INFO] [stderr] 36 | impl Solution {
[INFO] [stdout] test first_bad_version::case_2 ... ok
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stdout] test flood_fill::given_1 ... ok
[INFO] [stderr] 37 |     pub fn lowest_common_ancestor(
[INFO] [stdout] test combinations::simple ... ok
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test four_sum::example_1 ... ok
[INFO] [stderr] 
[INFO] [stdout] test four_sum::pairs ... ok
[INFO] [stderr] warning: struct `MyQueue` is never constructed
[INFO] [stdout] test grind_75::add_binary::example_one ... ok
[INFO] [stderr]   --> src/grind_75/queue_from_stacks.rs:18:8
[INFO] [stdout] test grind_75::add_binary::example_two ... ok
[INFO] [stderr]    |
[INFO] [stdout] test grind_75::best_time_stock::example_one ... ok
[INFO] [stderr] 18 | struct MyQueue {
[INFO] [stdout] test grind_75::best_time_stock::example_two ... ok
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stdout] test grind_75::binary_search::example_one ... ok
[INFO] [stderr] 
[INFO] [stdout] test grind_75::climbing_stairs::base_case ... ok
[INFO] [stderr] warning: associated items `new`, `push`, `pop`, `peek`, and `empty` are never used
[INFO] [stdout] test grind_75::climbing_stairs::large_case ... ok
[INFO] [stderr]   --> src/grind_75/queue_from_stacks.rs:29:8
[INFO] [stdout] test grind_75::flood_fill::example_one ... ok
[INFO] [stderr]    |
[INFO] [stdout] test grind_75::flood_fill::example_one_recursive ... ok
[INFO] [stderr] 28 | impl MyQueue {
[INFO] [stdout] test grind_75::insert_interval::append_case ... ok
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 29 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |     fn push(&mut self, x: i32) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn pop(&mut self) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     fn peek(&self) -> i32 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 |     fn empty(&self) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bfs` is never used
[INFO] [stderr]  --> src/matrix_01.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn bfs(mat: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/max_depth_bin_tree.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl TreeNode {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 14 |     #[inline]
[INFO] [stderr] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `insert_stack` is never used
[INFO] [stderr]   --> src/merge_two_bin_trees.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn insert_stack(root: &mut Option<Tree>, val: i32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `merge_nodes` is never used
[INFO] [stderr]   --> src/merge_two_bin_trees.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn merge_nodes(node1: Option<&Tree>, node2: Option<&Tree>) -> Option<Tree> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/path_sum.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl TreeNode {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 14 |     #[inline]
[INFO] [stderr] 15 |     pub fn new(val: i32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DIGIT_LETTERS` should have a snake case name
[INFO] [stderr]  --> src/combo_phone.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let DIGIT_LETTERS: Vec<Vec<char>> = vec![
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `digit_letters`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/grind_75/longest_substring.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         io::stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let _ = io::stdout().flush();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/shortest_distance_to_character.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |     while left < chars.len() && right >= 0 {
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (bin "leetcode" test) generated 52 warnings (run `cargo fix --bin "leetcode" -p leetcode --tests` to apply 33 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-cbe6adbe5d560a7e)
[INFO] [stdout] test binary_watch::case_two ... ok
[INFO] [stdout] test grind_75::insert_interval::example_one ... ok
[INFO] [stdout] test grind_75::insert_interval::example_two ... ok
[INFO] [stdout] test grind_75::insert_interval::failed_leet_2 ... ok
[INFO] [stdout] test grind_75::insert_interval::no_conflict_inserton ... ok
[INFO] [stdout] test grind_75::insert_interval::prepend_case ... ok
[INFO] [stdout] test grind_75::insert_interval::prepend_merge ... ok
[INFO] [stdout] test grind_75::insert_interval::with_merge ... ok
[INFO] [stdout] test grind_75::invert_tree::example_one ... ok
[INFO] [stdout] test grind_75::invert_tree::from_vec ... ok
[INFO] [stdout] test grind_75::insert_interval::case_failed ... ok
[INFO] [stdout] test grind_75::insert_interval::empty_set ... ok
[INFO] [stdout] test grind_75::invert_tree::tree_to_vec ... ok
[INFO] [stdout] test grind_75::is_balanced::example_one ... ok
[INFO] [stdout] test destructest::wtf ... ok
[INFO] [stdout] test grind_75::majority_element::example_two ... ok
[INFO] [stdout] test grind_75::matrix_01::example_one ... ok
[INFO] [stdout] test grind_75::matrix_01::example_two ... ok
[INFO] [stdout] test grind_75::max_sub_array::example_one ... ok
[INFO] [stdout] test grind_75::merge_sorted::creation_and_into ... ok
[INFO] [stdout] test grind_75::merge_sorted::example_one ... ok
[INFO] [stdout] test grind_75::twosum::example_one ... ok
[INFO] [stdout] test grind_75::twosum::example_three ... ok
[INFO] [stdout] test grind_75::twosum::example_two ... ok
[INFO] [stdout] test grind_75::valid_anagram::example_one ... ok
[INFO] [stdout] test grind_75::valid_palindrome::example_one ... ok
[INFO] [stdout] test grind_75::valid_parens::example_four ... ok
[INFO] [stdout] test grind_75::valid_parens::example_one ... ok
[INFO] [stdout] test grind_75::valid_parens::example_three ... ok
[INFO] [stdout] test grind_75::valid_parens::example_two ... ok
[INFO] [stdout] test happy_number::digit_sum ... ok
[INFO] [stdout] test happy_number::happy_false ... ok
[INFO] [stdout] test happy_number::happy_true ... ok
[INFO] [stdout] test grind_75::majority_element::example_one ... ok
[INFO] [stdout] test inorder_binary_tree_traversal::test_one ... ok
[INFO] [stdout] test isomorphic_strings::maps_twice_false ... ok
[INFO] [stdout] test isomorphic_strings::repeat_letter_true ... ok
[INFO] [stdout] test isomorphic_strings::single_letter ... ok
[INFO] [stdout] test isomorphic_strings::three_letters_false ... ok
[INFO] [stdout] test isomorphic_strings::two_letters ... ok
[INFO] [stdout] test longest_non_repeating_substring::abcabcbb ... ok
[INFO] [stdout] test longest_non_repeating_substring::dvdf ... ok
[INFO] [stdout] test longest_non_repeating_substring::single ... ok
[INFO] [stdout] test longest_non_repeating_substring::zero ... ok
[INFO] [stdout] test matrix_01::test_1 ... ok
[INFO] [stdout] test matrix_01::test_2 ... ok
[INFO] [stdout] test max_depth_bin_tree::compiles ... ok
[INFO] [stdout] test max_depth_bin_tree::example_one ... ok
[INFO] [stdout] test max_num_of_operations::example_one ... ok
[INFO] [stdout] test maximum_typed::test_one ... ok
[INFO] [stdout] test merge_strings_alternately::test_one ... ok
[INFO] [stdout] test merge_strings_alternately::the_empty_string ... ok
[INFO] [stdout] test merge_strings_alternately::test_two ... ok
[INFO] [stdout] test merge_two_bin_trees::insertion ... ok
[INFO] [stdout] test merge_two_sorted_lists::compiles ... ok
[INFO] [stdout] test merge_two_sorted_lists::handle_all_none ... ok
[INFO] [stdout] test merge_two_sorted_lists::handle_one_none ... ok
[INFO] [stdout] test merge_two_sorted_lists::merge_test_equal_2 ... ok
[INFO] [stdout] test merge_two_sorted_lists::merge_test_not_equal_2 ... ok
[INFO] [stdout] test merge_two_sorted_lists::merge_test_single ... ok
[INFO] [stdout] test middle_linked_list::even ... ok
[INFO] [stdout] test middle_linked_list::odd ... ok
[INFO] [stdout] test pascal::first_row ... ok
[INFO] [stdout] test grind_75::longest_palindrome::example_one ... ok
[INFO] [stdout] test pascal::fourth_row ... ok
[INFO] [stdout] test pascal::second_row ... ok
[INFO] [stdout] test pascal::third_row ... ok
[INFO] [stdout] test path_sum::example_one ... ok
[INFO] [stdout] test path_sum::example_two ... ok
[INFO] [stdout] test permutations::simple ... ok
[INFO] [stdout] test permutations::simple_iterative ... ok
[INFO] [stdout] test count_binary_strings::example_one ... FAILED
[INFO] [stdout] test remove_nth_from_end::short ... ok
[INFO] [stdout] test remove_nth_from_end::shorter_1 ... ok
[INFO] [stdout] test count_binary_strings::failed_submission_one ... FAILED
[INFO] [stdout] test destructest::rc_counts ... FAILED
[INFO] [stdout] test remove_nth_from_end_2::example_one ... ok
[INFO] [stdout] test count_binary_strings::example_two ... FAILED
[INFO] [stdout] test merge_two_bin_trees::merge_simple_tree ... FAILED
[INFO] [stdout] test remove_nth_from_end_2::example_two ... ok
[INFO] [stdout] test reverse_words_string::two_words ... ok
[INFO] [stdout] test reverse_words_string::single_word ... ok
[INFO] [stdout] test shortest_distance_to_character::leet_code ... ok
[INFO] [stdout] test shortest_distance_to_character::simple ... ok
[INFO] [stdout] test twosum::four_values ... ok
[INFO] [stdout] test twosum::doubles ... ok
[INFO] [stdout] test twosum::three_values ... ok
[INFO] [stdout] test zigzag_conversion::example_2 ... ok
[INFO] [stdout] test zigzag_conversion::example_1 ... ok
[INFO] [stdout] test remove_nth_from_end::none ... ok
[INFO] [stdout] test remove_nth_from_end::shorter_2 ... ok
[INFO] [stdout] test grind_75::longest_substring::example_one ... FAILED
[INFO] [stdout] test permutation_in_a_string::simple_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- count_binary_strings::example_one stdout ----
[INFO] [stdout] 0 - 4
[INFO] [stdout] 2, 2
[INFO] [stdout] 1 - 3
[INFO] [stdout] 1, 1
[INFO] [stdout] 2 - 6
[INFO] [stdout] 2, 2
[INFO] [stdout] 3 - 5
[INFO] [stdout] 1, 1
[INFO] [stdout] 5 - 7
[INFO] [stdout] 1, 1
[INFO] [stdout] 
[INFO] [stdout] thread 'count_binary_strings::example_one' (27) panicked at src/count_binary_strings.rs:67:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 6
[INFO] [stdout]  right: 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374b2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c8d3 - core[5a1c3e9896636f3a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x6257d892b9e5 - core[5a1c3e9896636f3a]::panicking::assert_failed::<i32, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x6257d88dbcbe - leetcode[f24230bac2e0d61e]::count_binary_strings::example_one
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:67:5
[INFO] [stdout]   22:     0x6257d88db137 - leetcode[f24230bac2e0d61e]::count_binary_strings::example_one::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:58:17
[INFO] [stdout]   23:     0x6257d887dbb6 - <leetcode[f24230bac2e0d61e]::count_binary_strings::example_one::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- count_binary_strings::failed_submission_one stdout ----
[INFO] [stdout] 00110
[INFO] [stdout] 01234
[INFO] [stdout] 0 - 4
[INFO] [stdout] 2, 2
[INFO] [stdout] 1 - 3
[INFO] [stdout] 1, 1
[INFO] [stdout] 
[INFO] [stdout] thread 'count_binary_strings::failed_submission_one' (29) panicked at src/count_binary_strings.rs:93:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 3
[INFO] [stdout]  right: 2
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374b2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c8d3 - core[5a1c3e9896636f3a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x6257d892b9e5 - core[5a1c3e9896636f3a]::panicking::assert_failed::<i32, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x6257d88dbe9e - leetcode[f24230bac2e0d61e]::count_binary_strings::failed_submission_one
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:93:5
[INFO] [stdout]   22:     0x6257d88db197 - leetcode[f24230bac2e0d61e]::count_binary_strings::failed_submission_one::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:84:27
[INFO] [stdout]   23:     0x6257d887dc36 - <leetcode[f24230bac2e0d61e]::count_binary_strings::failed_submission_one::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- destructest::rc_counts stdout ----
[INFO] [stdout] Strong: 3
[INFO] [stdout] Weak: 0
[INFO] [stdout] Strong: 2
[INFO] [stdout] Weak: 0
[INFO] [stdout] Strong: 1
[INFO] [stdout] Weak: 0
[INFO] [stdout] Strong: 3
[INFO] [stdout] Weak: 0
[INFO] [stdout] 
[INFO] [stdout] thread 'destructest::rc_counts' (35) panicked at src/destructest.rs:41:5:
[INFO] [stdout] explicit panic
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374e4 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c9e2 - core[5a1c3e9896636f3a]::panicking::panic
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6257d88bd997 - leetcode[f24230bac2e0d61e]::destructest::rc_counts
[INFO] [stdout]                                at /opt/rustwide/workdir/src/destructest.rs:41:5
[INFO] [stdout]   21:     0x6257d88bbe47 - leetcode[f24230bac2e0d61e]::destructest::rc_counts::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/destructest.rs:16:15
[INFO] [stdout]   22:     0x6257d887d226 - <leetcode[f24230bac2e0d61e]::destructest::rc_counts::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stderr] error: test failed, to rerun pass `--bin leetcode`
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   42:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   44:     0x73cdfc524a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- count_binary_strings::example_two stdout ----
[INFO] [stdout] 0 - 2
[INFO] [stdout] 1, 1
[INFO] [stdout] 1 - 3
[INFO] [stdout] 1, 1
[INFO] [stdout] 2 - 4
[INFO] [stdout] 1, 1
[INFO] [stdout] 
[INFO] [stdout] thread 'count_binary_strings::example_two' (28) panicked at src/count_binary_strings.rs:80:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 4
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374b2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c8d3 - core[5a1c3e9896636f3a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x6257d892b9e5 - core[5a1c3e9896636f3a]::panicking::assert_failed::<i32, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x6257d88dbd5e - leetcode[f24230bac2e0d61e]::count_binary_strings::example_two
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:80:5
[INFO] [stdout]   22:     0x6257d88db167 - leetcode[f24230bac2e0d61e]::count_binary_strings::example_two::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/count_binary_strings.rs:71:17
[INFO] [stdout]   23:     0x6257d887dbf6 - <leetcode[f24230bac2e0d61e]::count_binary_strings::example_two::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- merge_two_bin_trees::merge_simple_tree stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'merge_two_bin_trees::merge_simple_tree' (108) panicked at src/merge_two_bin_trees.rs:114:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374e4 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c9e2 - core[5a1c3e9896636f3a]::panicking::panic
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6257d88795a0 - leetcode[f24230bac2e0d61e]::merge_two_bin_trees::merge_trees
[INFO] [stdout]                                at /opt/rustwide/workdir/src/merge_two_bin_trees.rs:114:5
[INFO] [stdout]   21:     0x6257d887a2dc - leetcode[f24230bac2e0d61e]::merge_two_bin_trees::merge_simple_tree
[INFO] [stdout]                                at /opt/rustwide/workdir/src/merge_two_bin_trees.rs:140:18
[INFO] [stdout]   22:     0x6257d8877e87 - leetcode[f24230bac2e0d61e]::merge_two_bin_trees::merge_simple_tree::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/merge_two_bin_trees.rs:132:23
[INFO] [stdout]   23:     0x6257d887da36 - <leetcode[f24230bac2e0d61e]::merge_two_bin_trees::merge_simple_tree::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- grind_75::longest_substring::example_one stdout ----
[INFO] [stdout] 11111
[INFO] [stdout] 02200
[INFO] [stdout] 00000
[INFO] [stdout] 00000
[INFO] [stdout] 00000
[INFO] [stdout] 
[INFO] [stdout] thread 'grind_75::longest_substring::example_one' (68) panicked at src/grind_75/longest_substring.rs:41:9:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374e4 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896c9e2 - core[5a1c3e9896636f3a]::panicking::panic
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6257d88a3842 - <leetcode[f24230bac2e0d61e]::solution::Solution>::longest_substring
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grind_75/longest_substring.rs:41:9
[INFO] [stdout]   21:     0x6257d88ba039 - leetcode[f24230bac2e0d61e]::grind_75::longest_substring::example_one
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grind_75/longest_substring.rs:50:16
[INFO] [stdout]   22:     0x6257d88b4b47 - leetcode[f24230bac2e0d61e]::grind_75::longest_substring::example_one::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grind_75/longest_substring.rs:47:17
[INFO] [stdout]   23:     0x6257d887ee76 - <leetcode[f24230bac2e0d61e]::grind_75::longest_substring::example_one::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- permutation_in_a_string::simple_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'permutation_in_a_string::simple_tests' (123) panicked at src/permutation_in_a_string.rs:28:13:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6257d8958248 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6257d8958248 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6257d8958248 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6257d896c29a - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6257d896c29a - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x6257d895ca62 - std[d054f6f42beb1baa]::io::default_write_fmt::<alloc[154f689e5dd3bae5]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x6257d895ca62 - <alloc[154f689e5dd3bae5]::vec::Vec<u8> as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x6257d89373f6 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6257d89373f6 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6257d89507e9 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6257d88ec84c - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x6257d88ec84c - test[fad20673b750c10e]::test_main_inner::<test[fad20673b750c10e]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x6257d89509a2 - <alloc[154f689e5dd3bae5]::boxed::Box<dyn for<'a, 'b> core[5a1c3e9896636f3a]::ops::function::Fn<(&'a std[d054f6f42beb1baa]::panic::PanicHookInfo<'b>,), Output = ()> + core[5a1c3e9896636f3a]::marker::Send + core[5a1c3e9896636f3a]::marker::Sync> as core[5a1c3e9896636f3a]::ops::function::Fn<(&std[d054f6f42beb1baa]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x6257d89509a2 - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6257d89374e4 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6257d892ee49 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6257d89381cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6257d896ca1c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6257d896d919 - core[5a1c3e9896636f3a]::panicking::panic_const::panic_const_sub_overflow
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x6257d888de0d - leetcode[f24230bac2e0d61e]::permutation_in_a_string::check_inclusion
[INFO] [stdout]                                at /opt/rustwide/workdir/src/permutation_in_a_string.rs:28:13
[INFO] [stdout]   21:     0x6257d888e0cd - leetcode[f24230bac2e0d61e]::permutation_in_a_string::simple_tests
[INFO] [stdout]                                at /opt/rustwide/workdir/src/permutation_in_a_string.rs:39:13
[INFO] [stdout]   22:     0x6257d888a437 - leetcode[f24230bac2e0d61e]::permutation_in_a_string::simple_tests::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/permutation_in_a_string.rs:38:18
[INFO] [stdout]   23:     0x6257d887df36 - <leetcode[f24230bac2e0d61e]::permutation_in_a_string::simple_tests::{closure#0} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6257d88df92b - <fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6257d88df92b - test[fad20673b750c10e]::__rust_begin_short_backtrace::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, fn() -> core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x6257d88ed1a5 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panicking::catch_unwind::<core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>, core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6257d88ed1a5 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<test[fad20673b750c10e]::run_test_in_process::{closure#0}>, core[5a1c3e9896636f3a]::result::Result<(), alloc[154f689e5dd3bae5]::string::String>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test_in_process
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x6257d88ed1a5 - test[fad20673b750c10e]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x6257d88e7d04 - test[fad20673b750c10e]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x6257d88e7d04 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<test[fad20673b750c10e]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x6257d88f0222 - <core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x6257d88f0222 - std[d054f6f42beb1baa]::panicking::catch_unwind::<(), core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x6257d88f0222 - std[d054f6f42beb1baa]::panic::catch_unwind::<core[5a1c3e9896636f3a]::panic::unwind_safe::AssertUnwindSafe<std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6257d88f0222 - std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked::<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x6257d88f0222 - <std[d054f6f42beb1baa]::thread::lifecycle::spawn_unchecked<test[fad20673b750c10e]::run_test::{closure#1}, ()>::{closure#1} as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6257d8957baf - <alloc[154f689e5dd3bae5]::boxed::Box<dyn core[5a1c3e9896636f3a]::ops::function::FnOnce<(), Output = ()> + core[5a1c3e9896636f3a]::marker::Send> as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   43:     0x6257d8957baf - <std[d054f6f42beb1baa]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x73cdfc497aa4 - <unknown>
[INFO] [stdout]   45:     0x73cdfc524a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     count_binary_strings::example_one
[INFO] [stdout]     count_binary_strings::example_two
[INFO] [stdout]     count_binary_strings::failed_submission_one
[INFO] [stdout]     destructest::rc_counts
[INFO] [stdout]     grind_75::longest_substring::example_one
[INFO] [stdout]     merge_two_bin_trees::merge_simple_tree
[INFO] [stdout]     permutation_in_a_string::simple_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 116 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a25eba664f08007b91ac9d1ea2bdd51e26516ba1bd5de1f181d573ccf792ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a25eba664f08007b91ac9d1ea2bdd51e26516ba1bd5de1f181d573ccf792ddc", kill_on_drop: false }`
[INFO] [stdout] 7a25eba664f08007b91ac9d1ea2bdd51e26516ba1bd5de1f181d573ccf792ddc
