[INFO] cloning repository https://github.com/n3k/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n3k/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3k%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3k%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ce47b0adb37b0a61605cd3ebf8154e7341f17e6
[INFO] testing n3k/leetcode against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3k%2Fleetcode" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n3k/leetcode on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n3k/leetcode
[INFO] finished tweaking git repo https://github.com/n3k/leetcode
[INFO] tweaked toml for git repo https://github.com/n3k/leetcode written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n3k/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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41841bb1aea1cf721300fe62684d3e5b5251f147e72d85cb3b9c66dd13814467
[INFO] running `Command { std: "docker" "start" "-a" "41841bb1aea1cf721300fe62684d3e5b5251f147e72d85cb3b9c66dd13814467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41841bb1aea1cf721300fe62684d3e5b5251f147e72d85cb3b9c66dd13814467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41841bb1aea1cf721300fe62684d3e5b5251f147e72d85cb3b9c66dd13814467", kill_on_drop: false }`
[INFO] [stdout] 41841bb1aea1cf721300fe62684d3e5b5251f147e72d85cb3b9c66dd13814467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb78b7d1d070a50606bd2e31faf20026614a1db812dbe6d56eb343952c76d6ad
[INFO] running `Command { std: "docker" "start" "-a" "eb78b7d1d070a50606bd2e31faf20026614a1db812dbe6d56eb343952c76d6ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling interview-problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/leetcode_5.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         /// Test for window sizes 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |         let mut w_size = len;
[INFO] [stdout]    |         --------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/leetcode_167.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         let num1 = numbers[i];
[INFO] [stdout] 31 | |
[INFO] [stdout] 32 | |         let mut add = 0;
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |         i += 1;
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 52 |
[INFO] [stdout] 53 |       Vec::new()
[INFO] [stdout]    |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 68  | /     loop {
[INFO] [stdout] 69  | |         let mut right_boundary = len - 1;
[INFO] [stdout] 70  | |         let mut num;
[INFO] [stdout] 71  | |         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         right_boundary -= 1;
[INFO] [stdout] 109 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 110 |
[INFO] [stdout] 111 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     loop {
[INFO] [stdout] 126 | |         addition = numbers[left] + numbers[right];
[INFO] [stdout] 127 | |         if addition > target {
[INFO] [stdout] 128 | |             right += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |         }
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 135 |
[INFO] [stdout] 136 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `l` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut l = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut r = 1usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `add` is never read
[INFO] [stdout]   --> src/leetcode_167.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut add = 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 `right_boundary` is never read
[INFO] [stdout]    --> src/leetcode_167.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         right_boundary -= 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_1` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn two_sum_1(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_2` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn two_sum_2(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_3` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn two_sum_3(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_2.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 `add_two_numbers_x` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn add_two_numbers_x(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers_helper` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn add_two_numbers_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, carry: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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: function `add_two_numbers_3` is never used
[INFO] [stdout]    --> src/leetcode_2.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn add_two_numbers_3(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> { 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]    --> src/leetcode_2.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     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: function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/leetcode_3.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/leetcode_5.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn is_palindrome(s: &str) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]   --> src/leetcode_5.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome_2` is never used
[INFO] [stdout]   --> src/leetcode_5.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn longest_palindrome_2(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_subarray1` is never used
[INFO] [stdout]  --> src/leetcode_53.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn max_subarray1(array: Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_subarray2` is never used
[INFO] [stdout]   --> src/leetcode_53.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn max_subarray2(array: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_rectangle_1` is never used
[INFO] [stdout]   --> src/leetcode_84.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn largest_rectangle_1(heights: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_rectangle_2` is never used
[INFO] [stdout]   --> src/leetcode_84.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn largest_rectangle_2(heights: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_128.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn lgs_sorted2(mut array: Vec<i64>) -> (Vec<i64>, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_sorted` is never used
[INFO] [stdout]   --> src/leetcode_128.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn lgs_sorted(mut array: Vec<i64>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_set` is never used
[INFO] [stdout]    --> src/leetcode_128.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn lgs_set(array: Vec<i64>) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted` is never used
[INFO] [stdout]   --> src/leetcode_167.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn two_sum_sorted(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_167.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn two_sum_sorted2(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted_constant` is never used
[INFO] [stdout]    --> src/leetcode_167.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn two_sum_sorted_constant(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_sub_array_len` is never used
[INFO] [stdout]  --> src/leetcode_209.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn min_sub_array_len(target: i32, nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |   #[inline]
[INFO] [stdout] 21 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stack_helper` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn stack_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, 
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_helper` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn add_helper(mut v1: Vec<i32>, mut v2: Vec<i32>, carry: bool, l3: Option<Box<ListNode>>) 
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]    --> src/leetcode_445.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     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: module `Solution` should have a snake case name
[INFO] [stdout]    --> src/leetcode_2.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | mod Solution {
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_209.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]   --> src/leetcode_445.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod Solution {
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "eb78b7d1d070a50606bd2e31faf20026614a1db812dbe6d56eb343952c76d6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb78b7d1d070a50606bd2e31faf20026614a1db812dbe6d56eb343952c76d6ad", kill_on_drop: false }`
[INFO] [stdout] eb78b7d1d070a50606bd2e31faf20026614a1db812dbe6d56eb343952c76d6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0958a6be95bd0dc3a0dbaca72b68b59240ceaf1061472e2b269d89ec43e338f
[INFO] running `Command { std: "docker" "start" "-a" "f0958a6be95bd0dc3a0dbaca72b68b59240ceaf1061472e2b269d89ec43e338f", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/leetcode_5.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         /// Test for window sizes 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |         let mut w_size = len;
[INFO] [stdout]    |         --------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/leetcode_167.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         let num1 = numbers[i];
[INFO] [stdout] 31 | |
[INFO] [stdout] 32 | |         let mut add = 0;
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |         i += 1;
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 52 |
[INFO] [stdout] 53 |       Vec::new()
[INFO] [stdout]    |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 68  | /     loop {
[INFO] [stdout] 69  | |         let mut right_boundary = len - 1;
[INFO] [stdout] 70  | |         let mut num;
[INFO] [stdout] 71  | |         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         right_boundary -= 1;
[INFO] [stdout] 109 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 110 |
[INFO] [stdout] 111 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     loop {
[INFO] [stdout] 126 | |         addition = numbers[left] + numbers[right];
[INFO] [stdout] 127 | |         if addition > target {
[INFO] [stdout] 128 | |             right += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |         }
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 135 |
[INFO] [stdout] 136 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `l` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut l = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut r = 1usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `add` is never read
[INFO] [stdout]   --> src/leetcode_167.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut add = 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 `right_boundary` is never read
[INFO] [stdout]    --> src/leetcode_167.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         right_boundary -= 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_1` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn two_sum_1(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_2` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn two_sum_2(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_3` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn two_sum_3(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_2.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 `add_two_numbers_x` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn add_two_numbers_x(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers_helper` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn add_two_numbers_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, carry: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | 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: function `add_two_numbers_3` is never used
[INFO] [stdout]    --> src/leetcode_2.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub fn add_two_numbers_3(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> { 
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]    --> src/leetcode_2.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     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: function `length_of_longest_substring` is never used
[INFO] [stdout]  --> src/leetcode_3.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/leetcode_5.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn is_palindrome(s: &str) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]   --> src/leetcode_5.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome_2` is never used
[INFO] [stdout]   --> src/leetcode_5.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn longest_palindrome_2(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_subarray1` is never used
[INFO] [stdout]  --> src/leetcode_53.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn max_subarray1(array: Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_subarray2` is never used
[INFO] [stdout]   --> src/leetcode_53.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn max_subarray2(array: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_rectangle_1` is never used
[INFO] [stdout]   --> src/leetcode_84.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn largest_rectangle_1(heights: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_rectangle_2` is never used
[INFO] [stdout]   --> src/leetcode_84.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn largest_rectangle_2(heights: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_128.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn lgs_sorted2(mut array: Vec<i64>) -> (Vec<i64>, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_sorted` is never used
[INFO] [stdout]   --> src/leetcode_128.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn lgs_sorted(mut array: Vec<i64>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_set` is never used
[INFO] [stdout]    --> src/leetcode_128.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn lgs_set(array: Vec<i64>) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted` is never used
[INFO] [stdout]   --> src/leetcode_167.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn two_sum_sorted(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_167.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn two_sum_sorted2(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted_constant` is never used
[INFO] [stdout]    --> src/leetcode_167.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn two_sum_sorted_constant(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_sub_array_len` is never used
[INFO] [stdout]  --> src/leetcode_209.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn min_sub_array_len(target: i32, nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |   #[inline]
[INFO] [stdout] 21 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stack_helper` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn stack_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, 
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_helper` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn add_helper(mut v1: Vec<i32>, mut v2: Vec<i32>, carry: bool, l3: Option<Box<ListNode>>) 
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interview-problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]    --> src/leetcode_445.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     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: module `Solution` should have a snake case name
[INFO] [stdout]    --> src/leetcode_2.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | mod Solution {
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_209.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]   --> src/leetcode_445.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod Solution {
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/leetcode_5.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         /// Test for window sizes 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 68 |         let mut w_size = len;
[INFO] [stdout]    |         --------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]    --> src/leetcode_128.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     use std::time::Instant;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/leetcode_167.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     loop {
[INFO] [stdout] 30 | |         let num1 = numbers[i];
[INFO] [stdout] 31 | |
[INFO] [stdout] 32 | |         let mut add = 0;
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |         i += 1;
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 52 |
[INFO] [stdout] 53 |       Vec::new()
[INFO] [stdout]    |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 68  | /     loop {
[INFO] [stdout] 69  | |         let mut right_boundary = len - 1;
[INFO] [stdout] 70  | |         let mut num;
[INFO] [stdout] 71  | |         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 108 | |         right_boundary -= 1;
[INFO] [stdout] 109 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 110 |
[INFO] [stdout] 111 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/leetcode_167.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     loop {
[INFO] [stdout] 126 | |         addition = numbers[left] + numbers[right];
[INFO] [stdout] 127 | |         if addition > target {
[INFO] [stdout] 128 | |             right += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |         }
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 135 |
[INFO] [stdout] 136 |       Vec::new()
[INFO] [stdout]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `l` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut l = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]   --> src/leetcode_5.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut r = 1usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/leetcode_128.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut v = vec![0,3,7,2,5,8,4,6,0,1];
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `add` is never read
[INFO] [stdout]   --> src/leetcode_167.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut add = 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 `right_boundary` is never read
[INFO] [stdout]    --> src/leetcode_167.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         right_boundary -= 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_1` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn two_sum_1(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_3` is never used
[INFO] [stdout]   --> src/leetcode_1.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn two_sum_3(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_2.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 `add_two_numbers_x` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn add_two_numbers_x(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers_helper` is never used
[INFO] [stdout]   --> src/leetcode_2.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn add_two_numbers_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, carry: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]    --> src/leetcode_2.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     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: function `longest_palindrome` is never used
[INFO] [stdout]   --> src/leetcode_5.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_128.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn lgs_sorted2(mut array: Vec<i64>) -> (Vec<i64>, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lgs_set` is never used
[INFO] [stdout]    --> src/leetcode_128.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn lgs_set(array: Vec<i64>) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted2` is never used
[INFO] [stdout]   --> src/leetcode_167.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn two_sum_sorted2(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_sorted_constant` is never used
[INFO] [stdout]    --> src/leetcode_167.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn two_sum_sorted_constant(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/leetcode_445.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |   #[inline]
[INFO] [stdout] 21 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]    --> src/leetcode_2.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 | mod Solution {
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_5.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]  --> src/leetcode_209.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod Solution {
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Solution` should have a snake case name
[INFO] [stdout]   --> src/leetcode_445.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod Solution {
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "f0958a6be95bd0dc3a0dbaca72b68b59240ceaf1061472e2b269d89ec43e338f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0958a6be95bd0dc3a0dbaca72b68b59240ceaf1061472e2b269d89ec43e338f", kill_on_drop: false }`
[INFO] [stdout] f0958a6be95bd0dc3a0dbaca72b68b59240ceaf1061472e2b269d89ec43e338f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ff4a9033f569c6166656d832f11d08df799d4a420f1d8528dd5635e20f7edc6
[INFO] running `Command { std: "docker" "start" "-a" "9ff4a9033f569c6166656d832f11d08df799d4a420f1d8528dd5635e20f7edc6", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/leetcode_5.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         /// Test for window sizes 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 68 |         let mut w_size = len;
[INFO] [stderr]    |         --------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/leetcode_167.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     loop {
[INFO] [stderr] 30 | |         let num1 = numbers[i];
[INFO] [stderr] 31 | |
[INFO] [stderr] 32 | |         let mut add = 0;
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |         i += 1;
[INFO] [stderr] 51 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 52 |
[INFO] [stderr] 53 |       Vec::new()
[INFO] [stderr]    |       ^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/leetcode_167.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 68  | /     loop {
[INFO] [stderr] 69  | |         let mut right_boundary = len - 1;
[INFO] [stderr] 70  | |         let mut num;
[INFO] [stderr] 71  | |         loop {
[INFO] [stderr] ...   |
[INFO] [stderr] 108 | |         right_boundary -= 1;
[INFO] [stderr] 109 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 110 |
[INFO] [stderr] 111 |       Vec::new()
[INFO] [stderr]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/leetcode_167.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 125 | /     loop {
[INFO] [stderr] 126 | |         addition = numbers[left] + numbers[right];
[INFO] [stderr] 127 | |         if addition > target {
[INFO] [stderr] 128 | |             right += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |         }
[INFO] [stderr] 134 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 135 |
[INFO] [stderr] 136 |       Vec::new()
[INFO] [stderr]     |       ^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `l` is never read
[INFO] [stderr]   --> src/leetcode_5.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut l = 0usize;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r` is never read
[INFO] [stderr]   --> src/leetcode_5.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut r = 1usize;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `add` is never read
[INFO] [stderr]   --> src/leetcode_167.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut add = 0;
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `right_boundary` is never read
[INFO] [stderr]    --> src/leetcode_167.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         right_boundary -= 1;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_1` is never used
[INFO] [stderr]   --> src/leetcode_1.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn two_sum_1(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_2` is never used
[INFO] [stderr]   --> src/leetcode_1.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn two_sum_2(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_3` is never used
[INFO] [stderr]   --> src/leetcode_1.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn two_sum_3(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/leetcode_2.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 `add_two_numbers_x` is never used
[INFO] [stderr]   --> src/leetcode_2.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn add_two_numbers_x(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_two_numbers_helper` is never used
[INFO] [stderr]   --> src/leetcode_2.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn add_two_numbers_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, carry: i32) -> Option<Box<ListNode>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_two_numbers` is never used
[INFO] [stderr]   --> src/leetcode_2.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_two_numbers_3` is never used
[INFO] [stderr]    --> src/leetcode_2.rs:214:8
[INFO] [stderr]     |
[INFO] [stderr] 214 | pub fn add_two_numbers_3(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> { 
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_two_numbers` is never used
[INFO] [stderr]    --> src/leetcode_2.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> { 
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `length_of_longest_substring` is never used
[INFO] [stderr]  --> src/leetcode_3.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_palindrome` is never used
[INFO] [stderr]  --> src/leetcode_5.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn is_palindrome(s: &str) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_palindrome` is never used
[INFO] [stderr]   --> src/leetcode_5.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_palindrome_2` is never used
[INFO] [stderr]   --> src/leetcode_5.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn longest_palindrome_2(s: String) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_subarray1` is never used
[INFO] [stderr]  --> src/leetcode_53.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn max_subarray1(array: Vec<i32>) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_subarray2` is never used
[INFO] [stderr]   --> src/leetcode_53.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn max_subarray2(array: Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `largest_rectangle_1` is never used
[INFO] [stderr]   --> src/leetcode_84.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn largest_rectangle_1(heights: &[usize]) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `largest_rectangle_2` is never used
[INFO] [stderr]   --> src/leetcode_84.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn largest_rectangle_2(heights: &[usize]) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lgs_sorted2` is never used
[INFO] [stderr]   --> src/leetcode_128.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn lgs_sorted2(mut array: Vec<i64>) -> (Vec<i64>, usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lgs_sorted` is never used
[INFO] [stderr]   --> src/leetcode_128.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn lgs_sorted(mut array: Vec<i64>) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lgs_set` is never used
[INFO] [stderr]    --> src/leetcode_128.rs:120:4
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn lgs_set(array: Vec<i64>) -> usize {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_sorted` is never used
[INFO] [stderr]   --> src/leetcode_167.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn two_sum_sorted(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_sorted2` is never used
[INFO] [stderr]   --> src/leetcode_167.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn two_sum_sorted2(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_sorted_constant` is never used
[INFO] [stderr]    --> src/leetcode_167.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn two_sum_sorted_constant(numbers: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `min_sub_array_len` is never used
[INFO] [stderr]  --> src/leetcode_209.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn min_sub_array_len(target: i32, nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/leetcode_445.rs:21:6
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl ListNode {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 20 |   #[inline]
[INFO] [stderr] 21 |   fn new(val: i32) -> Self {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `stack_helper` is never used
[INFO] [stderr]   --> src/leetcode_445.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn stack_helper(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>, 
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_helper` is never used
[INFO] [stderr]   --> src/leetcode_445.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn add_helper(mut v1: Vec<i32>, mut v2: Vec<i32>, carry: bool, l3: Option<Box<ListNode>>) 
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_two_numbers` is never used
[INFO] [stderr]    --> src/leetcode_445.rs:101:12
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Solution` should have a snake case name
[INFO] [stderr]    --> src/leetcode_2.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 | mod Solution {
[INFO] [stderr]     |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Solution` should have a snake case name
[INFO] [stderr]  --> src/leetcode_5.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | mod Solution {
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Solution` should have a snake case name
[INFO] [stderr]  --> src/leetcode_209.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod Solution {
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Solution` should have a snake case name
[INFO] [stderr]   --> src/leetcode_445.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | mod Solution {
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solution`
[INFO] [stderr] 
[INFO] [stderr] warning: `interview-problems` (lib) generated 40 warnings
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]    --> src/leetcode_128.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     use std::time::Instant;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/leetcode_128.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let mut v = vec![0,3,7,2,5,8,4,6,0,1];
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interview-problems` (lib test) generated 26 warnings (24 duplicates) (run `cargo fix --lib -p interview-problems --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/interview_problems-aac13283de8ec02c)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test leetcode_209::tests::test_min_sub_array_len ... ok
[INFO] [stdout] test leetcode_167::tests::test_two_sum_sorted ... ok
[INFO] [stdout] test leetcode_128::tests::lgs_sorted_test_1 ... ok
[INFO] [stdout] test leetcode_1::tests::test_two_sum ... ok
[INFO] [stdout] test leetcode_53::tests::test_max_subarray2 ... ok
[INFO] [stdout] test leetcode_3::tests::test_length_of_longest_substring ... ok
[INFO] [stdout] test leetcode_445::tests::test2_add_two_numbers ... ok
[INFO] [stdout] test leetcode_53::tests::test_max_subarray1 ... ok
[INFO] [stdout] test leetcode_2::tests::it_works2 ... ok
[INFO] [stdout] test leetcode_5::tests::test_longest_palindrome ... ok
[INFO] [stdout] test leetcode_84::tests::test_largest_rect_1 ... ok
[INFO] [stdout] test leetcode_84::tests::test_largest_rect_2 ... ok
[INFO] [stdout] test leetcode_2::tests::it_works ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test leetcode_2::tests::it_works3 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- leetcode_2::tests::it_works3 stdout ----
[INFO] [stdout] thread 'leetcode_2::tests::it_works3' panicked at src/leetcode_2.rs:388:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ListNode { val: 8, next: Some(ListNode { val: 9, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: None }) }) }) }
[INFO] [stdout]  right: ListNode { val: 9, next: Some(ListNode { val: 9, next: Some(ListNode { val: 9, next: Some(ListNode { val: 9, next: None }) }) }) }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564a5fda0a65 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x564a5fda0a65 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564a5fda0a65 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564a5fda0a65 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564a5fdc72ab - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x564a5fdc72ab - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x564a5fd9e29f - std::io::Write::write_fmt::h8d0c47c662cad79c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x564a5fda083e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564a5fda083e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564a5fda2269 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x564a5fda1f2e - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:295:9
[INFO] [stdout]   11:     0x564a5fd7318a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   12:     0x564a5fd7318a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stdout]   13:     0x564a5fda286b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stdout]   14:     0x564a5fda286b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stdout]   15:     0x564a5fda25e4 - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:664:13
[INFO] [stdout]   16:     0x564a5fda0f29 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x564a5fda2317 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   18:     0x564a5fd20843 - core::panicking::panic_fmt::hec11a924b87ce965
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564a5fd20c2e - core::panicking::assert_failed_inner::h01c8f7f0c1caba58
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:408:17
[INFO] [stdout]   20:     0x564a5fd32ebe - core::panicking::assert_failed::h9df26cca1caffdc6
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:363:5
[INFO] [stdout]   21:     0x564a5fd36de5 - interview_problems::leetcode_2::tests::it_works3::hacb3f50e53d0d9a8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode_2.rs:388:9
[INFO] [stdout]   22:     0x564a5fd365e7 - interview_problems::leetcode_2::tests::it_works3::{{closure}}::h76aba0261ff3f307
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode_2.rs:363:19
[INFO] [stdout]   23:     0x564a5fd2f756 - core::ops::function::FnOnce::call_once::h298bbf168941dddc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564a5fd77b6b - core::ops::function::FnOnce::call_once::h2e43a8f6f3d94b99
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564a5fd77b6b - test::__rust_begin_short_backtrace::h214c9f2d2d3fee90
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:625:18
[INFO] [stdout]   26:     0x564a5fd77271 - test::run_test_in_process::{{closure}}::h510b7ba7990692a5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:60
[INFO] [stdout]   27:     0x564a5fd77271 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4157186197a93871
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564a5fd77271 - std::panicking::try::do_call::h1bf2463bccd4b28c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   29:     0x564a5fd77271 - std::panicking::try::hd6d4808c9fab4fa5
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   30:     0x564a5fd77271 - std::panic::catch_unwind::hd5641d97d123f9f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   31:     0x564a5fd77271 - test::run_test_in_process::hc273b71c8b878a4c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:648:27
[INFO] [stdout]   32:     0x564a5fd77271 - test::run_test::{{closure}}::h6838df834eb8467e
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:569:43
[INFO] [stdout]   33:     0x564a5fd3fc34 - test::run_test::{{closure}}::h608b98ecff5665fb
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:599:41
[INFO] [stdout]   34:     0x564a5fd3fc34 - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc4182b97d1042e9
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x564a5fd44662 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h571773fd21d674c8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stdout]   36:     0x564a5fd44662 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdcd384cf2fa70ba3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564a5fd44662 - std::panicking::try::do_call::h4f1a44bd81423be1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   38:     0x564a5fd44662 - std::panicking::try::h5e02afcb81dcd361
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   39:     0x564a5fd44662 - std::panic::catch_unwind::h022f75775bfd8c45
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   40:     0x564a5fd44662 - std::thread::Builder::spawn_unchecked_::{{closure}}::hf5a62e9e4e6df1f8
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stdout]   41:     0x564a5fd44662 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6d56360aeb9509a7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564a5fda6a4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   43:     0x564a5fda6a4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stdout]   44:     0x564a5fda6a4b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fc9497d5ac3 - <unknown>
[INFO] [stdout]   46:     0x7fc949866a04 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     leetcode_2::tests::it_works3
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9ff4a9033f569c6166656d832f11d08df799d4a420f1d8528dd5635e20f7edc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff4a9033f569c6166656d832f11d08df799d4a420f1d8528dd5635e20f7edc6", kill_on_drop: false }`
[INFO] [stdout] 9ff4a9033f569c6166656d832f11d08df799d4a420f1d8528dd5635e20f7edc6
