[INFO] cloning repository https://github.com/ykwmz/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ykwmz/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykwmz%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykwmz%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f97414f0a8c63e934506fc12d9b8143c029f83d
[INFO] testing ykwmz/leetcode-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fykwmz%2Fleetcode-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ykwmz/leetcode-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ykwmz/leetcode-rust
[INFO] finished tweaking git repo https://github.com/ykwmz/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/ykwmz/leetcode-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ykwmz/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00cfcab77b906fccca3ec4ae9045f32eb9e3454978a2228658ac2103b17fa62b
[INFO] running `Command { std: "docker" "start" "-a" "00cfcab77b906fccca3ec4ae9045f32eb9e3454978a2228658ac2103b17fa62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00cfcab77b906fccca3ec4ae9045f32eb9e3454978a2228658ac2103b17fa62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cfcab77b906fccca3ec4ae9045f32eb9e3454978a2228658ac2103b17fa62b", kill_on_drop: false }`
[INFO] [stdout] 00cfcab77b906fccca3ec4ae9045f32eb9e3454978a2228658ac2103b17fa62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60cc1cd981e43a864c52a633968019084844e287b73959bbb8e00d8635f7bd09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60cc1cd981e43a864c52a633968019084844e287b73959bbb8e00d8635f7bd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/add_two_numbers.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |    fn new(val: i32) -> Self {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_two_numbers`
[INFO] [stdout]   --> src/add_two_numbers.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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 is never used: `length_of_longest_substring`
[INFO] [stdout]  --> src/length_of_longest_substring.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_median_sorted_arrays`
[INFO] [stdout]  --> src/find_median_sorted_arrays.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest_palindrome`
[INFO] [stdout]  --> src/longest_palindrome.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn longest_palindrome(s: String) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zigzag_convert`
[INFO] [stdout]  --> src/zigzag_convert.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn zigzag_convert(s: String, num_rows: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reverse`
[INFO] [stdout]  --> src/reverse_integer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_error_nums`
[INFO] [stdout]  --> src/find_error_nums.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_error_nums(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_table`
[INFO] [stdout]  --> src/display_table.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn display_table(orders: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_pairs`
[INFO] [stdout]  --> src/count_pairs.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn count_pairs(deliciousness: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_subarrays_with_sum`
[INFO] [stdout]  --> src/num_subarrays_with_sum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn num_subarrays_with_sum(nums: Vec<i32>, goal: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `majority_element`
[INFO] [stdout]  --> src/majority_element.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeMap`
[INFO] [stdout]   --> src/time_map.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct TimeMap {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/time_map.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/time_map.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/time_map.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get(&self, key: String, timestamp: i32) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximum_element_after_decrementing_and_rearranging`
[INFO] [stdout]   --> src/maximum_element_after_decrementing_and_rearranging.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn maximum_element_after_decrementing_and_rearranging(arr: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search`
[INFO] [stdout]  --> src/search.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max_sub_array`
[INFO] [stdout]  --> src/max_sub_array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_anagrams`
[INFO] [stdout]  --> src/group_anagrams.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max_frequency`
[INFO] [stdout]   --> src/max_frequency.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn max_frequency(nums: Vec<i32>, k: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_pair_sum`
[INFO] [stdout]   --> src/min_pair_sum.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn min_pair_sum(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_covered`
[INFO] [stdout]  --> src/is_covered.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_covered(ranges: Vec<Vec<i32>>, left: i32, right: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_operations`
[INFO] [stdout]   --> src/min_operations.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn min_operations(target: Vec<i32>, arr: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/find_second_minimum_value.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn new(val: i32) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_second_minimum_value`
[INFO] [stdout]   --> src/find_second_minimum_value.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn find_second_minimum_value(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `title_to_number`
[INFO] [stdout]   --> src/title_to_number.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_weakest_rows`
[INFO] [stdout]  --> src/k_weakest_rows.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn k_weakest_rows(mat: Vec<Vec<i32>>, k: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "60cc1cd981e43a864c52a633968019084844e287b73959bbb8e00d8635f7bd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cc1cd981e43a864c52a633968019084844e287b73959bbb8e00d8635f7bd09", kill_on_drop: false }`
[INFO] [stdout] 60cc1cd981e43a864c52a633968019084844e287b73959bbb8e00d8635f7bd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a4441519416319e210b98744d8bb9d94597898f7ab9bd92b8635231deccee5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a4441519416319e210b98744d8bb9d94597898f7ab9bd92b8635231deccee5d", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/add_two_numbers.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |    fn new(val: i32) -> Self {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_two_numbers`
[INFO] [stdout]   --> src/add_two_numbers.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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 is never used: `length_of_longest_substring`
[INFO] [stdout]  --> src/length_of_longest_substring.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_median_sorted_arrays`
[INFO] [stdout]  --> src/find_median_sorted_arrays.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest_palindrome`
[INFO] [stdout]  --> src/longest_palindrome.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn longest_palindrome(s: String) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zigzag_convert`
[INFO] [stdout]  --> src/zigzag_convert.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn zigzag_convert(s: String, num_rows: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reverse`
[INFO] [stdout]  --> src/reverse_integer.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn reverse(x: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_error_nums`
[INFO] [stdout]  --> src/find_error_nums.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_error_nums(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_table`
[INFO] [stdout]  --> src/display_table.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn display_table(orders: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_pairs`
[INFO] [stdout]  --> src/count_pairs.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn count_pairs(deliciousness: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `num_subarrays_with_sum`
[INFO] [stdout]  --> src/num_subarrays_with_sum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn num_subarrays_with_sum(nums: Vec<i32>, goal: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `majority_element`
[INFO] [stdout]  --> src/majority_element.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TimeMap`
[INFO] [stdout]   --> src/time_map.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct TimeMap {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/time_map.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/time_map.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/time_map.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get(&self, key: String, timestamp: i32) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maximum_element_after_decrementing_and_rearranging`
[INFO] [stdout]   --> src/maximum_element_after_decrementing_and_rearranging.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn maximum_element_after_decrementing_and_rearranging(arr: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search`
[INFO] [stdout]  --> src/search.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max_sub_array`
[INFO] [stdout]  --> src/max_sub_array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_anagrams`
[INFO] [stdout]  --> src/group_anagrams.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max_frequency`
[INFO] [stdout]   --> src/max_frequency.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn max_frequency(nums: Vec<i32>, k: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_pair_sum`
[INFO] [stdout]   --> src/min_pair_sum.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn min_pair_sum(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_covered`
[INFO] [stdout]  --> src/is_covered.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_covered(ranges: Vec<Vec<i32>>, left: i32, right: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_operations`
[INFO] [stdout]   --> src/min_operations.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn min_operations(target: Vec<i32>, arr: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/find_second_minimum_value.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |   pub fn new(val: i32) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_second_minimum_value`
[INFO] [stdout]   --> src/find_second_minimum_value.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn find_second_minimum_value(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `title_to_number`
[INFO] [stdout]   --> src/title_to_number.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_weakest_rows`
[INFO] [stdout]  --> src/k_weakest_rows.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn k_weakest_rows(mat: Vec<Vec<i32>>, k: i32) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "3a4441519416319e210b98744d8bb9d94597898f7ab9bd92b8635231deccee5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4441519416319e210b98744d8bb9d94597898f7ab9bd92b8635231deccee5d", kill_on_drop: false }`
[INFO] [stdout] 3a4441519416319e210b98744d8bb9d94597898f7ab9bd92b8635231deccee5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15397b878cf43df40cd1028b7637eed0f075652c3da7c229c0aec33a33c30a74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15397b878cf43df40cd1028b7637eed0f075652c3da7c229c0aec33a33c30a74", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/add_two_numbers.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |    fn new(val: i32) -> Self {
[INFO] [stderr]    |       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_two_numbers`
[INFO] [stderr]   --> src/add_two_numbers.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length_of_longest_substring`
[INFO] [stderr]  --> src/length_of_longest_substring.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_median_sorted_arrays`
[INFO] [stderr]  --> src/find_median_sorted_arrays.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest_palindrome`
[INFO] [stderr]  --> src/longest_palindrome.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn longest_palindrome(s: String) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zigzag_convert`
[INFO] [stderr]  --> src/zigzag_convert.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn zigzag_convert(s: String, num_rows: i32) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse`
[INFO] [stderr]  --> src/reverse_integer.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn reverse(x: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_error_nums`
[INFO] [stderr]  --> src/find_error_nums.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn find_error_nums(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `display_table`
[INFO] [stderr]  --> src/display_table.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn display_table(orders: Vec<Vec<String>>) -> Vec<Vec<String>> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_pairs`
[INFO] [stderr]  --> src/count_pairs.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn count_pairs(deliciousness: Vec<i32>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `num_subarrays_with_sum`
[INFO] [stderr]  --> src/num_subarrays_with_sum.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn num_subarrays_with_sum(nums: Vec<i32>, goal: i32) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `majority_element`
[INFO] [stderr]  --> src/majority_element.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TimeMap`
[INFO] [stderr]   --> src/time_map.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct TimeMap {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/time_map.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set`
[INFO] [stderr]   --> src/time_map.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/time_map.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get(&self, key: String, timestamp: i32) -> String {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `maximum_element_after_decrementing_and_rearranging`
[INFO] [stderr]   --> src/maximum_element_after_decrementing_and_rearranging.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn maximum_element_after_decrementing_and_rearranging(arr: Vec<i32>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search`
[INFO] [stderr]  --> src/search.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `max_sub_array`
[INFO] [stderr]  --> src/max_sub_array.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `group_anagrams`
[INFO] [stderr]  --> src/group_anagrams.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `max_frequency`
[INFO] [stderr]   --> src/max_frequency.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn max_frequency(nums: Vec<i32>, k: i32) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min_pair_sum`
[INFO] [stderr]   --> src/min_pair_sum.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn min_pair_sum(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_covered`
[INFO] [stderr]  --> src/is_covered.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn is_covered(ranges: Vec<Vec<i32>>, left: i32, right: i32) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min_operations`
[INFO] [stderr]   --> src/min_operations.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn min_operations(target: Vec<i32>, arr: Vec<i32>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/find_second_minimum_value.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub fn new(val: i32) -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_second_minimum_value`
[INFO] [stderr]   --> src/find_second_minimum_value.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn find_second_minimum_value(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `title_to_number`
[INFO] [stderr]   --> src/title_to_number.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn title_to_number(column_title: String) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k_weakest_rows`
[INFO] [stderr]  --> src/k_weakest_rows.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn k_weakest_rows(mat: Vec<Vec<i32>>, k: i32) -> Vec<i32> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (lib) generated 28 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-178c292d5d0687da)
[INFO] [stdout] 
[INFO] [stdout] running 93 tests
[INFO] [stdout] test add_two_numbers::test_add_two_numbers ... ok
[INFO] [stdout] test change_ii::change_0 ... ok
[INFO] [stdout] test combination_sum::tests::test_combination_sum0 ... ok
[INFO] [stdout] test combination_sum::tests::test_combination_sum2 ... ok
[INFO] [stdout] test combination_sum::tests::test_combination_sum3 ... ok
[INFO] [stdout] test convert_to_title::convert_to_title_t1 ... ok
[INFO] [stdout] test convert_to_title::convert_to_title_t2 ... ok
[INFO] [stdout] test count_pairs::count_pairs_t0 ... ok
[INFO] [stdout] test count_pairs::count_pairs_t1 ... ok
[INFO] [stdout] test combination_sum::tests::test_combination_sum4 ... ok
[INFO] [stdout] test convert_to_title::convert_to_title_t0 ... ok
[INFO] [stdout] test change_ii::change_1 ... ok
[INFO] [stdout] test find_error_nums::find_error_nums_t2 ... ok
[INFO] [stdout] test find_max_length::find_max_length_test0 ... ok
[INFO] [stdout] test display_table::display_table_t0 ... ok
[INFO] [stdout] test find_max_length::find_max_length_test1 ... ok
[INFO] [stdout] test find_second_minimum_value::find_second_minimum_value_t0 ... ok
[INFO] [stdout] test combination_sum::tests::test_combination_sum1 ... ok
[INFO] [stdout] test find_target_sum_ways::find_target_sum_ways_0 ... ok
[INFO] [stdout] test find_error_nums::find_error_nums_t1 ... ok
[INFO] [stdout] test find_median_sorted_arrays::test_find_median_sorted_arrays ... ok
[INFO] [stdout] test find_error_nums::find_error_nums_t0 ... ok
[INFO] [stdout] test convert_to_title::convert_to_title_t3 ... ok
[INFO] [stdout] test last_stone_weight_ii::last_stone_weight_ii_1 ... ok
[INFO] [stdout] test is_covered::is_covered_t0 ... ok
[INFO] [stdout] test last_stone_weight_ii::last_stone_weight_ii_0 ... ok
[INFO] [stdout] test k_weakest_rows::k_weakest_rows_t0 ... ok
[INFO] [stdout] test is_covered::is_covered_t1 ... ok
[INFO] [stdout] test longest_palindrome::test_longest_palindrome ... ok
[INFO] [stdout] test last_stone_weight_ii::last_stone_weight_ii_2 ... ok
[INFO] [stdout] test majority_element::majority_element_t3 ... ok
[INFO] [stdout] test frequency_sort::frequency_sort_t2 ... ok
[INFO] [stdout] test majority_element::majority_element_t1 ... ok
[INFO] [stdout] test frequency_sort::frequency_sort_t0 ... ok
[INFO] [stdout] test majority_element::majority_element_t2 ... ok
[INFO] [stdout] test frequency_sort::frequency_sort_t1 ... ok
[INFO] [stdout] test majority_element::majority_element_t0 ... ok
[INFO] [stdout] test maximum_element_after_decrementing_and_rearranging::maximum_element_after_decrementing_and_rearranging_t1 ... ok
[INFO] [stdout] test max_ice_cream::max_ice_cream_t1 ... ok
[INFO] [stdout] test max_frequency::max_frequency_t0 ... ok
[INFO] [stdout] test max_sub_array::max_sub_array_t0 ... ok
[INFO] [stdout] test maximum_element_after_decrementing_and_rearranging::maximum_element_after_decrementing_and_rearranging_t0 ... ok
[INFO] [stdout] test max_ice_cream::max_ice_cream_t0 ... ok
[INFO] [stdout] test min_operations::min_operations_t1 ... ok
[INFO] [stdout] test maximum_element_after_decrementing_and_rearranging::maximum_element_after_decrementing_and_rearranging_t3 ... ok
[INFO] [stdout] test min_operations::min_operations_t0 ... ok
[INFO] [stdout] test length_of_longest_substring::test_length_of_longest_substring ... ok
[INFO] [stdout] test group_anagrams::group_anagrams_t0 ... FAILED
[INFO] [stdout] test change_ii::change_2 ... ok
[INFO] [stdout] test last_stone_weight_ii::last_stone_weight_ii_3 ... ok
[INFO] [stdout] test maximum_element_after_decrementing_and_rearranging::maximum_element_after_decrementing_and_rearranging_t2 ... ok
[INFO] [stdout] test num_squares::num_squares_2 ... ok
[INFO] [stdout] test num_squares::num_squares_0 ... ok
[INFO] [stdout] test num_squares::num_squares_1 ... ok
[INFO] [stdout] test min_operations::min_operations_t2 ... ok
[INFO] [stdout] test num_ways::num_ways_t1 ... ok
[INFO] [stdout] test num_squares::num_squares_3 ... ok
[INFO] [stdout] test min_pair_sum::min_pair_sum_t0 ... ok
[INFO] [stdout] test peak_index_in_mountain_array::peak_index_in_mountain_array_t1 ... ok
[INFO] [stdout] test peak_index_in_mountain_array::peak_index_in_mountain_array_t0 ... ok
[INFO] [stdout] test num_squares::num_squares_5 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_0 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_1 ... ok
[INFO] [stdout] test peak_index_in_mountain_array::peak_index_in_mountain_array_t3 ... ok
[INFO] [stdout] test permutation::permutation_t0 ... ok
[INFO] [stdout] test peak_index_in_mountain_array::peak_index_in_mountain_array_t2 ... ok
[INFO] [stdout] test max_frequency::max_frequency_t1 ... ok
[INFO] [stdout] test max_frequency::max_frequency_t2 ... ok
[INFO] [stdout] test search::search_t0 ... ok
[INFO] [stdout] test search::search_t1 ... ok
[INFO] [stdout] test reverse_integer::test_reverse_integer ... ok
[INFO] [stdout] test num_subarrays_with_sum::num_subarrays_with_sum_t1 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_2 ... ok
[INFO] [stdout] test num_ways::num_ways_t0 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_4 ... ok
[INFO] [stdout] test title_to_number::title_to_number_t2 ... ok
[INFO] [stdout] test title_to_number::title_to_number_t3 ... ok
[INFO] [stdout] test stone_game::stone_game_t0 ... ok
[INFO] [stdout] test time_map::test_t0 ... ok
[INFO] [stdout] test num_subarrays_with_sum::num_subarrays_with_sum_t0 ... ok
[INFO] [stdout] test title_to_number::title_to_number_t0 ... ok
[INFO] [stdout] test title_to_number::title_to_number_t1 ... ok
[INFO] [stdout] test two_sum::test_two_sum ... ok
[INFO] [stdout] test zigzag_convert::test_zigzag_convert ... ok
[INFO] [stdout] test min_pair_sum::min_pair_sum_t1 ... ok
[INFO] [stdout] test min_pair_sum::min_pair_sum_t2 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_3 ... ok
[INFO] [stdout] test open_lock::open_lock_t0 ... ok
[INFO] [stdout] test find_max_length::find_max_length_test2 ... ok
[INFO] [stdout] test num_squares::num_squares_4 ... ok
[INFO] [stdout] test count_pairs::count_pairs_t2 ... ok
[INFO] [stdout] test profitable_schemes::profitable_schemes_5 ... ok
[INFO] [stdout] test count_pairs::count_pairs_t3 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- group_anagrams::group_anagrams_t0 stdout ----
[INFO] [stdout] thread 'group_anagrams::group_anagrams_t0' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[["tan", "nat"], ["eat", "tea", "ate"], ["bat"]]`,
[INFO] [stdout]  right: `[["eat", "tea", "ate"], ["bat"], ["tan", "nat"]]`', src/group_anagrams.rs:38:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557d2acaa290 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x557d2acaa290 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557d2acaa290 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x557d2acaa290 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x557d2acccadc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x557d2aca71f5 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x557d2acac40b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x557d2acac40b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x557d2acac40b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x557d2acabf1c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x557d2acacad4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x557d2acac5b7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x557d2acaa76c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x557d2acac519 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x557d2aa48531 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x557d2accb3f8 - core::panicking::assert_failed_inner::h62e8cb2847a6e7ec
[INFO] [stdout]   16:     0x557d2aa67f5a - core::panicking::assert_failed::h40f6b56cd05f1305
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x557d2aa8e630 - leetcode::group_anagrams::group_anagrams_t0::h67730d3f290770c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/group_anagrams.rs:38:5
[INFO] [stdout]   18:     0x557d2aa8deea - leetcode::group_anagrams::group_anagrams_t0::{{closure}}::h37fa169d99e85dc0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/group_anagrams.rs:29:1
[INFO] [stdout]   19:     0x557d2aa8145e - core::ops::function::FnOnce::call_once::h8f44a13eebf6b082
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x557d2ac8eb53 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557d2ac8eb53 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x557d2ac8d608 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x557d2ac8d608 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x557d2ac8d608 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x557d2ac8d608 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x557d2ac8d608 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x557d2ac8d608 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x557d2ac8d608 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x557d2ac5bd9d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x557d2ac5bd9d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x557d2ac60568 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x557d2ac60568 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x557d2ac60568 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x557d2ac60568 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x557d2ac60568 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x557d2ac60568 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x557d2ac60568 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x557d2acb1647 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x557d2acb1647 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x557d2acb1647 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f54abe6d609 - start_thread
[INFO] [stdout]   42:     0x7f54abc3f293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     group_anagrams::group_anagrams_t0
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 92 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.70s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "15397b878cf43df40cd1028b7637eed0f075652c3da7c229c0aec33a33c30a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15397b878cf43df40cd1028b7637eed0f075652c3da7c229c0aec33a33c30a74", kill_on_drop: false }`
[INFO] [stdout] 15397b878cf43df40cd1028b7637eed0f075652c3da7c229c0aec33a33c30a74
