[INFO] cloning repository https://github.com/P40b0s/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/P40b0s/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP40b0s%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP40b0s%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53689acd45da544adf92bfe593bb7c3406e42201
[INFO] testing P40b0s/leetcode against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP40b0s%2Fleetcode" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/P40b0s/leetcode
[INFO] finished tweaking git repo https://github.com/P40b0s/leetcode
[INFO] tweaked toml for git repo https://github.com/P40b0s/leetcode written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/P40b0s/leetcode on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/P40b0s/leetcode 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fed96789086d184c6fa1364065dfcaf64099509840b3dc56c7927f1f11a39c4
[INFO] running `Command { std: "docker" "start" "-a" "8fed96789086d184c6fa1364065dfcaf64099509840b3dc56c7927f1f11a39c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fed96789086d184c6fa1364065dfcaf64099509840b3dc56c7927f1f11a39c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fed96789086d184c6fa1364065dfcaf64099509840b3dc56c7927f1f11a39c4", kill_on_drop: false }`
[INFO] [stdout] 8fed96789086d184c6fa1364065dfcaf64099509840b3dc56c7927f1f11a39c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c18d91fd2779b11a72aa05284fc0e3d7c014858b20c882adee1a7759ea17e7d6
[INFO] running `Command { std: "docker" "start" "-a" "c18d91fd2779b11a72aa05284fc0e3d7c014858b20c882adee1a7759ea17e7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add` and `DerefMut`
[INFO] [stdout]  --> src/median_sorted_array.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, DerefMut};
[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::collections::HashMap`
[INFO] [stdout]  --> src/longest_string_without_repeating.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::HashMap`
[INFO] [stdout]  --> src/longest_palindrome.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::HashMap`
[INFO] [stdout]  --> src/reverse_integer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Instant`
[INFO] [stdout]    --> src/mul_strings.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | use std::{ops::{Add, Mul}, time::Instant};
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/max_points_on_a_line.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/extra_characters_in_string.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/longest_common_prefix.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/longest_valid_parentheses.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/match.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/buy_sell.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::isize`
[INFO] [stdout]  --> src/buy_sell2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::isize;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem` is never read
[INFO] [stdout]   --> src/mul_strings.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     mem = false;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zeros_len` is never read
[INFO] [stdout]   --> src/mul_strings.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut zeros_len = 0;
[INFO] [stdout]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/buy_sell.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let i1 = i;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i2`
[INFO] [stdout]   --> src/buy_sell.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 let i2 = j;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[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/buy_sell2.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut max_diff: Vec<(usize, usize, i32)> = vec![(0, 0, 0); n]; // Массив, чтобы хранить максимальные значения разностей
[INFO] [stdout]   |             ----^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_max`
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/median_sorted_array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_atoi` is never used
[INFO] [stdout]  --> src/string_to_number.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn my_atoi(s: String) -> i32
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/divide_without_divide.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn divide(dividend: i32, divisor: i32) -> i32 
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/longest_string_without_repeating.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/longest_string_without_repeating.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution 
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 | {
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/longest_palindrome.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `longest_palindrome` and `longest_palindrome_2` are never used
[INFO] [stdout]   --> src/longest_palindrome.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Solution 
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  6 | {
[INFO] [stdout]  7 |     pub fn longest_palindrome(s: String) -> String 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn longest_palindrome_2(s: String) -> String 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/reverse_integer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `solution` is never used
[INFO] [stdout]  --> src/reverse_integer.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution 
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 | {
[INFO] [stdout] 7 |     pub fn solution(x: i32) -> i32
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultString` is never constructed
[INFO] [stdout]  --> src/mul_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MultString
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_value` are never used
[INFO] [stdout]   --> src/mul_strings.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl MultString
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  7 | {
[INFO] [stdout]  8 |     fn new(val: &str) -> Self
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn get_value(&self) -> String
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]  --> src/divide_without_div.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn divide(dividend: i32, divisor: i32) -> i32
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/trapping_rain_water.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solution(height: Vec<i32>) -> i32 
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap` is never used
[INFO] [stdout]   --> src/trapping_rain_water.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn trap(height: Vec<i32>) -> i32 
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/first_missing_positive.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solution(nums: Vec<i32>) -> i32 
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/merge_ksorted_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/merge_ksorted_list.rs:10:6
[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 `solution` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solution(lists: Vec<Option<Box<ListNode>>>) -> Option<Box<ListNode>>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_insert` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn rec_insert(ln: &mut ListNode, val: &i32)
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recur` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn recur(ln: Box<ListNode>, vector: &mut Vec<i32>)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/max_points_on_a_line.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gcd(a: i32, b: i32) -> i32 
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_points` is never used
[INFO] [stdout]   --> src/max_points_on_a_line.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn max_points(points: Vec<Vec<i32>>) -> i32 
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_extra_char` is never used
[INFO] [stdout]  --> src/extra_characters_in_string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `min_extra_char` and `split` are never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution 
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 | {
[INFO] [stdout] 29 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn split(s: &String, index: usize, dp: &mut Vec<i32>, dictionary: &HashSet<&str>) -> i32 
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution2` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct Solution2;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Solution2 
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 71 | { 
[INFO] [stdout] 72 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution3` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct Solution3;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Solution3 
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 94 | { 
[INFO] [stdout] 95 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution4` is never constructed
[INFO] [stdout]    --> src/extra_characters_in_string.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Solution4;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]    --> src/extra_characters_in_string.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Solution4 
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 118 | { 
[INFO] [stdout] 119 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_prefix` is never used
[INFO] [stdout]  --> src/longest_common_prefix.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn longest_common_prefix(arr1: Vec<i32>, arr2: Vec<i32>) -> i32 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dig_count` is never used
[INFO] [stdout]   --> src/longest_common_prefix.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn dig_count(d: &i32) -> i32
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses` is never used
[INFO] [stdout]  --> src/longest_valid_parentheses.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn longest_valid_parentheses(s: String) -> i32
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses1_1` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn longest_valid_parentheses1_1(s: String) -> i32 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses2` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn longest_valid_parentheses2(s: String) -> i32
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses3` is never used
[INFO] [stdout]    --> src/longest_valid_parentheses.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn longest_valid_parentheses3(s: String) -> i32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_match` is never used
[INFO] [stdout]  --> src/match.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn is_match(s: String, p: String) -> bool
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]  --> src/buy_sell.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn max_profit(prices: Vec<i32>) -> i32
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit2` is never used
[INFO] [stdout]   --> src/buy_sell.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn max_profit2(p: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/test.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/test.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl ListNode {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 8 |     #[inline]
[INFO] [stdout] 9 |     fn new(val: i32) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/test.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> src/test.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/rotate_array.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution{}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rotate` is never used
[INFO] [stdout]  --> src/rotate_array.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 3 |     pub fn rotate(nums: &mut Vec<i32>, k: i32) 
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/buy_sell2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_profit` and `max_profit_2` are never used
[INFO] [stdout]   --> src/buy_sell2.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  5 |     pub fn max_profit(prices: Vec<i32>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn max_profit_2(prices: Vec<i32>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c18d91fd2779b11a72aa05284fc0e3d7c014858b20c882adee1a7759ea17e7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18d91fd2779b11a72aa05284fc0e3d7c014858b20c882adee1a7759ea17e7d6", kill_on_drop: false }`
[INFO] [stdout] c18d91fd2779b11a72aa05284fc0e3d7c014858b20c882adee1a7759ea17e7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84444819159b0a99127237e305234cfd251a0819223ce21b5657adfd3020bfec
[INFO] running `Command { std: "docker" "start" "-a" "84444819159b0a99127237e305234cfd251a0819223ce21b5657adfd3020bfec", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Add` and `DerefMut`
[INFO] [stdout]  --> src/median_sorted_array.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, DerefMut};
[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::collections::HashMap`
[INFO] [stdout]  --> src/longest_string_without_repeating.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::HashMap`
[INFO] [stdout]  --> src/longest_palindrome.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::HashMap`
[INFO] [stdout]  --> src/reverse_integer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Instant`
[INFO] [stdout]    --> src/mul_strings.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | use std::{ops::{Add, Mul}, time::Instant};
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/max_points_on_a_line.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/extra_characters_in_string.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/longest_common_prefix.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/longest_valid_parentheses.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/match.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/buy_sell.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::isize`
[INFO] [stdout]  --> src/buy_sell2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::isize;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem` is never read
[INFO] [stdout]   --> src/mul_strings.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     mem = false;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zeros_len` is never read
[INFO] [stdout]   --> src/mul_strings.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut zeros_len = 0;
[INFO] [stdout]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/buy_sell.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let i1 = i;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i2`
[INFO] [stdout]   --> src/buy_sell.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 let i2 = j;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[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/buy_sell2.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut max_diff: Vec<(usize, usize, i32)> = vec![(0, 0, 0); n]; // Массив, чтобы хранить максимальные значения разностей
[INFO] [stdout]   |             ----^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_max`
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/median_sorted_array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_atoi` is never used
[INFO] [stdout]  --> src/string_to_number.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn my_atoi(s: String) -> i32
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/divide_without_divide.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn divide(dividend: i32, divisor: i32) -> i32 
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/longest_string_without_repeating.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/longest_string_without_repeating.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution 
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 | {
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/longest_palindrome.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `longest_palindrome` and `longest_palindrome_2` are never used
[INFO] [stdout]   --> src/longest_palindrome.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl Solution 
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  6 | {
[INFO] [stdout]  7 |     pub fn longest_palindrome(s: String) -> String 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn longest_palindrome_2(s: String) -> String 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/reverse_integer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Solution;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `solution` is never used
[INFO] [stdout]  --> src/reverse_integer.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution 
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 | {
[INFO] [stdout] 7 |     pub fn solution(x: i32) -> i32
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MultString` is never constructed
[INFO] [stdout]  --> src/mul_strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct MultString
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_value` are never used
[INFO] [stdout]   --> src/mul_strings.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl MultString
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout]  7 | {
[INFO] [stdout]  8 |     fn new(val: &str) -> Self
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn get_value(&self) -> String
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]  --> src/divide_without_div.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn divide(dividend: i32, divisor: i32) -> i32
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/trapping_rain_water.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solution(height: Vec<i32>) -> i32 
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap` is never used
[INFO] [stdout]   --> src/trapping_rain_water.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn trap(height: Vec<i32>) -> i32 
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/first_missing_positive.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solution(nums: Vec<i32>) -> i32 
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/merge_ksorted_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/merge_ksorted_list.rs:10:6
[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 `solution` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solution(lists: Vec<Option<Box<ListNode>>>) -> Option<Box<ListNode>>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_insert` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn rec_insert(ln: &mut ListNode, val: &i32)
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recur` is never used
[INFO] [stdout]   --> src/merge_ksorted_list.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn recur(ln: Box<ListNode>, vector: &mut Vec<i32>)
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/max_points_on_a_line.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gcd(a: i32, b: i32) -> i32 
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_points` is never used
[INFO] [stdout]   --> src/max_points_on_a_line.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn max_points(points: Vec<Vec<i32>>) -> i32 
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_extra_char` is never used
[INFO] [stdout]  --> src/extra_characters_in_string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `min_extra_char` and `split` are never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution 
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 | {
[INFO] [stdout] 29 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn split(s: &String, index: usize, dp: &mut Vec<i32>, dictionary: &HashSet<&str>) -> i32 
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution2` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct Solution2;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Solution2 
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 71 | { 
[INFO] [stdout] 72 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution3` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct Solution3;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Solution3 
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 94 | { 
[INFO] [stdout] 95 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution4` is never constructed
[INFO] [stdout]    --> src/extra_characters_in_string.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Solution4;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]    --> src/extra_characters_in_string.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Solution4 
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 118 | { 
[INFO] [stdout] 119 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_prefix` is never used
[INFO] [stdout]  --> src/longest_common_prefix.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn longest_common_prefix(arr1: Vec<i32>, arr2: Vec<i32>) -> i32 
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dig_count` is never used
[INFO] [stdout]   --> src/longest_common_prefix.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn dig_count(d: &i32) -> i32
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses` is never used
[INFO] [stdout]  --> src/longest_valid_parentheses.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn longest_valid_parentheses(s: String) -> i32
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses1_1` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn longest_valid_parentheses1_1(s: String) -> i32 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses2` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn longest_valid_parentheses2(s: String) -> i32
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses3` is never used
[INFO] [stdout]    --> src/longest_valid_parentheses.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn longest_valid_parentheses3(s: String) -> i32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_match` is never used
[INFO] [stdout]  --> src/match.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn is_match(s: String, p: String) -> bool
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]  --> src/buy_sell.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn max_profit(prices: Vec<i32>) -> i32
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit2` is never used
[INFO] [stdout]   --> src/buy_sell.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn max_profit2(p: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/test.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/test.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl ListNode {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 8 |     #[inline]
[INFO] [stdout] 9 |     fn new(val: i32) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/test.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Solution;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> src/test.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/rotate_array.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Solution{}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rotate` is never used
[INFO] [stdout]  --> src/rotate_array.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 3 |     pub fn rotate(nums: &mut Vec<i32>, k: i32) 
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/buy_sell2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `max_profit` and `max_profit_2` are never used
[INFO] [stdout]   --> src/buy_sell2.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  5 |     pub fn max_profit(prices: Vec<i32>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn max_profit_2(prices: Vec<i32>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Add` and `DerefMut`
[INFO] [stdout]  --> src/median_sorted_array.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, DerefMut};
[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::collections::HashMap`
[INFO] [stdout]  --> src/longest_string_without_repeating.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::HashMap`
[INFO] [stdout]  --> src/longest_palindrome.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::HashMap`
[INFO] [stdout]  --> src/reverse_integer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Instant`
[INFO] [stdout]    --> src/mul_strings.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | use std::{ops::{Add, Mul}, time::Instant};
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/max_points_on_a_line.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::merge_ksorted_list::ListNode`
[INFO] [stdout]    --> src/max_points_on_a_line.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     use crate::merge_ksorted_list::ListNode;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/extra_characters_in_string.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/longest_common_prefix.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/longest_valid_parentheses.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/match.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/buy_sell.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::isize`
[INFO] [stdout]  --> src/buy_sell2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::isize;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mem` is never read
[INFO] [stdout]   --> src/mul_strings.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     mem = false;
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `zeros_len` is never read
[INFO] [stdout]   --> src/mul_strings.rs:91:29
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut zeros_len = 0;
[INFO] [stdout]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]   --> src/mul_strings.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut first: String = String::new();
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second` is never read
[INFO] [stdout]   --> src/mul_strings.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut second: String = String::new();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i1`
[INFO] [stdout]  --> src/buy_sell.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let i1 = i;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i2`
[INFO] [stdout]   --> src/buy_sell.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 let i2 = j;
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[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/buy_sell2.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut max_diff: Vec<(usize, usize, i32)> = vec![(0, 0, 0); n]; // Массив, чтобы хранить максимальные значения разностей
[INFO] [stdout]   |             ----^^^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `single_max`
[INFO] [stdout]  --> src/buy_sell2.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut single_max = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_max`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trap` is never used
[INFO] [stdout]   --> src/trapping_rain_water.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn trap(height: Vec<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: struct `Solution` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `min_extra_char` and `split` are never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution 
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 | {
[INFO] [stdout] 29 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn split(s: &String, index: usize, dp: &mut Vec<i32>, dictionary: &HashSet<&str>) -> i32 
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution3` is never constructed
[INFO] [stdout]   --> src/extra_characters_in_string.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct Solution3;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]   --> src/extra_characters_in_string.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Solution3 
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 94 | { 
[INFO] [stdout] 95 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution4` is never constructed
[INFO] [stdout]    --> src/extra_characters_in_string.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct Solution4;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_extra_char` is never used
[INFO] [stdout]    --> src/extra_characters_in_string.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Solution4 
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 118 | { 
[INFO] [stdout] 119 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dig_count` is never used
[INFO] [stdout]   --> src/longest_common_prefix.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn dig_count(d: &i32) -> i32
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses1_1` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn longest_valid_parentheses1_1(s: String) -> i32 
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses2` is never used
[INFO] [stdout]   --> src/longest_valid_parentheses.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn longest_valid_parentheses2(s: String) -> i32
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_valid_parentheses3` is never used
[INFO] [stdout]    --> src/longest_valid_parentheses.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub fn longest_valid_parentheses3(s: String) -> i32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit2` is never used
[INFO] [stdout]   --> src/buy_sell.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn max_profit2(p: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "84444819159b0a99127237e305234cfd251a0819223ce21b5657adfd3020bfec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84444819159b0a99127237e305234cfd251a0819223ce21b5657adfd3020bfec", kill_on_drop: false }`
[INFO] [stdout] 84444819159b0a99127237e305234cfd251a0819223ce21b5657adfd3020bfec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cc7f290d912e137d7640fb680108c19fd9ec57435a36cfa8755583e9b3c0cc8
[INFO] running `Command { std: "docker" "start" "-a" "6cc7f290d912e137d7640fb680108c19fd9ec57435a36cfa8755583e9b3c0cc8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Add` and `DerefMut`
[INFO] [stderr]  --> src/median_sorted_array.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Add, DerefMut};
[INFO] [stderr]   |                ^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/longest_string_without_repeating.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/longest_palindrome.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/reverse_integer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::Instant`
[INFO] [stderr]    --> src/mul_strings.rs:227:28
[INFO] [stderr]     |
[INFO] [stderr] 227 | use std::{ops::{Add, Mul}, time::Instant};
[INFO] [stderr]     |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/max_points_on_a_line.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/extra_characters_in_string.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/longest_common_prefix.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stderr]  --> src/longest_valid_parentheses.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stderr]  --> src/match.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stderr]  --> src/buy_sell.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::isize`
[INFO] [stderr]  --> src/buy_sell2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::isize;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `mem` is never read
[INFO] [stderr]   --> src/mul_strings.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |                     mem = false;
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `first` is never read
[INFO] [stderr]   --> src/mul_strings.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut first: String = String::new();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second` is never read
[INFO] [stderr]   --> src/mul_strings.rs:33:34
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut second: String = String::new();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `zeros_len` is never read
[INFO] [stderr]   --> src/mul_strings.rs:91:29
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let mut zeros_len = 0;
[INFO] [stderr]    |                             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `first` is never read
[INFO] [stderr]   --> src/mul_strings.rs:92:33
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut first: String = String::new();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second` is never read
[INFO] [stderr]   --> src/mul_strings.rs:93:34
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut second: String = String::new();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i1`
[INFO] [stderr]  --> src/buy_sell.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let i1 = i;
[INFO] [stderr]   |             ^^ help: if this is intentional, prefix it with an underscore: `_i1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i2`
[INFO] [stderr]   --> src/buy_sell.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                 let i2 = j;
[INFO] [stderr]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_i2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/buy_sell2.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut single_max = 0;
[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/buy_sell2.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut max_diff: Vec<(usize, usize, i32)> = vec![(0, 0, 0); n]; // Массив, чтобы хранить максимальные значения разностей
[INFO] [stderr]   |             ----^^^^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `single_max`
[INFO] [stderr]  --> src/buy_sell2.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut single_max = 0;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_max`
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_median_sorted_arrays` is never used
[INFO] [stderr]  --> src/median_sorted_array.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `my_atoi` is never used
[INFO] [stderr]  --> src/string_to_number.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn my_atoi(s: String) -> i32
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divide` is never used
[INFO] [stderr]   --> src/divide_without_divide.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn divide(dividend: i32, divisor: i32) -> i32 
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/longest_string_without_repeating.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Solution;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `length_of_longest_substring` is never used
[INFO] [stderr]  --> src/longest_string_without_repeating.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution 
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 | {
[INFO] [stderr] 7 |     pub fn length_of_longest_substring(s: String) -> i32 
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/longest_palindrome.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Solution;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `longest_palindrome` and `longest_palindrome_2` are never used
[INFO] [stderr]   --> src/longest_palindrome.rs:7:12
[INFO] [stderr]    |
[INFO] [stderr]  5 | impl Solution 
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr]  6 | {
[INFO] [stderr]  7 |     pub fn longest_palindrome(s: String) -> String 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     fn longest_palindrome_2(s: String) -> String 
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/reverse_integer.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Solution;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `solution` is never used
[INFO] [stderr]  --> src/reverse_integer.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl Solution 
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 6 | {
[INFO] [stderr] 7 |     pub fn solution(x: i32) -> i32
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MultString` is never constructed
[INFO] [stderr]  --> src/mul_strings.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct MultString
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_value` are never used
[INFO] [stderr]   --> src/mul_strings.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | impl MultString
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr]  7 | {
[INFO] [stderr]  8 |     fn new(val: &str) -> Self
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn get_value(&self) -> String
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divide` is never used
[INFO] [stderr]  --> src/divide_without_div.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn divide(dividend: i32, divisor: i32) -> i32
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]  --> src/trapping_rain_water.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn solution(height: Vec<i32>) -> i32 
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `trap` is never used
[INFO] [stderr]   --> src/trapping_rain_water.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn trap(height: Vec<i32>) -> i32 
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]  --> src/first_missing_positive.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn solution(nums: Vec<i32>) -> i32 
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ListNode` is never constructed
[INFO] [stderr]  --> src/merge_ksorted_list.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ListNode {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/merge_ksorted_list.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl ListNode {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr]  9 |   #[inline]
[INFO] [stderr] 10 |   fn new(val: i32) -> Self {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]   --> src/merge_ksorted_list.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn solution(lists: Vec<Option<Box<ListNode>>>) -> Option<Box<ListNode>>
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rec_insert` is never used
[INFO] [stderr]   --> src/merge_ksorted_list.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn rec_insert(ln: &mut ListNode, val: &i32)
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recur` is never used
[INFO] [stderr]   --> src/merge_ksorted_list.rs:54:4
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn recur(ln: Box<ListNode>, vector: &mut Vec<i32>)
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gcd` is never used
[INFO] [stderr]  --> src/max_points_on_a_line.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn gcd(a: i32, b: i32) -> i32 
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_points` is never used
[INFO] [stderr]   --> src/max_points_on_a_line.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn max_points(points: Vec<Vec<i32>>) -> i32 
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `min_extra_char` is never used
[INFO] [stderr]  --> src/extra_characters_in_string.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]   --> src/extra_characters_in_string.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct Solution;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `min_extra_char` and `split` are never used
[INFO] [stderr]   --> src/extra_characters_in_string.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Solution 
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 28 | {
[INFO] [stderr] 29 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     fn split(s: &String, index: usize, dp: &mut Vec<i32>, dictionary: &HashSet<&str>) -> i32 
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution2` is never constructed
[INFO] [stderr]   --> src/extra_characters_in_string.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | struct Solution2;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_extra_char` is never used
[INFO] [stderr]   --> src/extra_characters_in_string.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | impl Solution2 
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 71 | { 
[INFO] [stderr] 72 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution3` is never constructed
[INFO] [stderr]   --> src/extra_characters_in_string.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | struct Solution3;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_extra_char` is never used
[INFO] [stderr]   --> src/extra_characters_in_string.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 93 | impl Solution3 
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 94 | { 
[INFO] [stderr] 95 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution4` is never constructed
[INFO] [stderr]    --> src/extra_characters_in_string.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr] 116 | struct Solution4;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `min_extra_char` is never used
[INFO] [stderr]    --> src/extra_characters_in_string.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 117 | impl Solution4 
[INFO] [stderr]     | -------------- associated function in this implementation
[INFO] [stderr] 118 | { 
[INFO] [stderr] 119 |     pub fn min_extra_char(s: String, dictionary: Vec<String>) -> i32
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_common_prefix` is never used
[INFO] [stderr]  --> src/longest_common_prefix.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn longest_common_prefix(arr1: Vec<i32>, arr2: Vec<i32>) -> i32 
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dig_count` is never used
[INFO] [stderr]   --> src/longest_common_prefix.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn dig_count(d: &i32) -> i32
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_valid_parentheses` is never used
[INFO] [stderr]  --> src/longest_valid_parentheses.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn longest_valid_parentheses(s: String) -> i32
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_valid_parentheses1_1` is never used
[INFO] [stderr]   --> src/longest_valid_parentheses.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn longest_valid_parentheses1_1(s: String) -> i32 
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_valid_parentheses2` is never used
[INFO] [stderr]   --> src/longest_valid_parentheses.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn longest_valid_parentheses2(s: String) -> i32
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_valid_parentheses3` is never used
[INFO] [stderr]    --> src/longest_valid_parentheses.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub fn longest_valid_parentheses3(s: String) -> i32
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_match` is never used
[INFO] [stderr]  --> src/match.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn is_match(s: String, p: String) -> bool
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_profit` is never used
[INFO] [stderr]  --> src/buy_sell.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn max_profit(prices: Vec<i32>) -> i32
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_profit2` is never used
[INFO] [stderr]   --> src/buy_sell.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn max_profit2(p: Vec<i32>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ListNode` is never constructed
[INFO] [stderr]  --> src/test.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct ListNode {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/test.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl ListNode {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 8 |     #[inline]
[INFO] [stderr] 9 |     fn new(val: i32) -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]   --> src/test.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Solution;
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `add_two_numbers` is never used
[INFO] [stderr]   --> src/test.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 20 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/rotate_array.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Solution{}
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `rotate` is never used
[INFO] [stderr]  --> src/rotate_array.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 3 |     pub fn rotate(nums: &mut Vec<i32>, k: i32) 
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/buy_sell2.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `max_profit` and `max_profit_2` are never used
[INFO] [stderr]   --> src/buy_sell2.rs:5:12
[INFO] [stderr]    |
[INFO] [stderr]  4 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr]  5 |     pub fn max_profit(prices: Vec<i32>) -> i32 
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn max_profit_2(prices: Vec<i32>) -> i32 
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 71 warnings (run `cargo fix --lib -p leetcode` to apply 17 suggestions)
[INFO] [stderr] warning: unused import: `crate::merge_ksorted_list::ListNode`
[INFO] [stderr]    --> src/max_points_on_a_line.rs:264:9
[INFO] [stderr]     |
[INFO] [stderr] 264 |     use crate::merge_ksorted_list::ListNode;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `trap` is never used
[INFO] [stderr]   --> src/trapping_rain_water.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn trap(height: Vec<i32>) -> i32 
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib test) generated 36 warnings (34 duplicates) (run `cargo fix --lib -p leetcode --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-1d1c5491a7efd8ae)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test buy_sell2::test_1 ... ok
[INFO] [stdout] test buy_sell2::test_3 ... ok
[INFO] [stdout] test buy_sell2::test_4 ... ok
[INFO] [stdout] test buy_sell2::test_6 ... ok
[INFO] [stdout] test buy_sell::tests::test_1 ... ok
[INFO] [stdout] test buy_sell::tests::test_3 ... ok
[INFO] [stdout] test divide_without_div::tests::test_2 ... ok
[INFO] [stdout] test divide_without_div::tests::test_4 ... ok
[INFO] [stdout] test buy_sell::tests::test_2 ... ok
[INFO] [stdout] test divide_without_div::tests::test_3 ... ok
[INFO] [stdout] test extra_characters_in_string::tests::test_2 ... ok
[INFO] [stdout] test longest_palindrome::tests::test_1_2 ... ok
[INFO] [stdout] test longest_palindrome::tests::test_2 ... ok
[INFO] [stdout] test longest_palindrome::tests::test_2_2 ... ok
[INFO] [stdout] test longest_string_without_repeating::tests::test_len_1 ... ok
[INFO] [stdout] test longest_string_without_repeating::tests::test_len_2 ... ok
[INFO] [stdout] test extra_characters_in_string::tests::test_4 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_1 ... ok
[INFO] [stdout] test first_missing_positive::tests::test_1 ... ok
[INFO] [stdout] test first_missing_positive::tests::test_2 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_5 ... ok
[INFO] [stdout] test longest_palindrome::tests::test_1 ... ok
[INFO] [stdout] test longest_string_without_repeating::tests::test_len_3 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_6 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_7 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_8 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_1 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_3 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_2 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_3_3 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_4 ... ok
[INFO] [stdout] test max_points_on_a_line::tests::test_5 ... ok
[INFO] [stdout] test median_sorted_array::test_mid ... ok
[INFO] [stdout] test merge_ksorted_list::tests::test_1 ... ok
[INFO] [stdout] test mul_strings::tests::test_mult ... ok
[INFO] [stdout] test mul_strings::tests::test_ost ... ok
[INFO] [stdout] test extra_characters_in_string::tests::test_1 ... ok
[INFO] [stdout] test r#match::tests::test_1 ... ok
[INFO] [stdout] test mul_strings::tests::test_plus ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_4 ... ok
[INFO] [stdout] test reverse_integer::tests::test_1 ... ok
[INFO] [stdout] test rotate_array::tests::tsts ... ok
[INFO] [stdout] test rotate_array::tests::tsts2 ... ok
[INFO] [stdout] test extra_characters_in_string::tests::test_3 ... ok
[INFO] [stdout] test longest_common_prefix::tests::test_1 ... ok
[INFO] [stdout] test reverse_integer::tests::test_2 ... ok
[INFO] [stdout] test reverse_integer::tests::test_3 ... ok
[INFO] [stdout] test first_missing_positive::tests::test_4 ... ok
[INFO] [stdout] test first_missing_positive::tests::test_3 ... ok
[INFO] [stdout] test string_to_number::test_fn ... ok
[INFO] [stdout] test test::tests::main ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test divide_without_div::tests::test_1 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_3 ... ok
[INFO] [stdout] test trapping_rain_water::tests::test_1 ... ok
[INFO] [stdout] test trapping_rain_water::tests::test_2 ... ok
[INFO] [stdout] test trapping_rain_water::tests::test_2_2 ... ok
[INFO] [stdout] test trapping_rain_water::tests::test_3 ... ok
[INFO] [stdout] test first_missing_positive::tests::test_5 ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::test_2 ... ok
[INFO] [stdout] test buy_sell2::test_5 ... ok
[INFO] [stdout] test divide_without_divide::test_fn ... ok
[INFO] [stdout] test buy_sell::tests::test_4 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6cc7f290d912e137d7640fb680108c19fd9ec57435a36cfa8755583e9b3c0cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc7f290d912e137d7640fb680108c19fd9ec57435a36cfa8755583e9b3c0cc8", kill_on_drop: false }`
[INFO] [stdout] 6cc7f290d912e137d7640fb680108c19fd9ec57435a36cfa8755583e9b3c0cc8
