[INFO] updating cached repository https://github.com/magurotuna/leetcode-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25fe43e23160883aa89080d8558347f027e065a4
[INFO] checking magurotuna/leetcode-rust against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fleetcode-rust" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magurotuna/leetcode-rust on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/magurotuna/leetcode-rust
[INFO] finished tweaking git repo https://github.com/magurotuna/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/magurotuna/leetcode-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/magurotuna/leetcode-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2dafdd292b484710d0c3866d59570257db0e27cb25acdf1a9df85cc156c86118
[INFO] running `"docker" "start" "-a" "2dafdd292b484710d0c3866d59570257db0e27cb25acdf1a9df85cc156c86118"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/238.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `product_except_self`
[INFO] [stderr]  --> src/bin/238.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn product_except_self(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `constant_space_product_except_self`
[INFO] [stderr]   --> src/bin/238.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn constant_space_product_except_self(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/63.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `unique_paths_with_obstacles`
[INFO] [stderr]  --> src/bin/63.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn unique_paths_with_obstacles(obstacle_grid: Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `acc_sum` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/bin/1140.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 let last = acc_sum.last().unwrap();
[INFO] [stderr]    |                            ------- immutable borrow occurs here
[INFO] [stderr] 13 |                 acc_sum.push(piles[i] + last);
[INFO] [stderr]    |                 ^^^^^^^                 ---- immutable borrow later used here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1140.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stone_game_ii`
[INFO] [stderr]  --> src/bin/1140.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn stone_game_ii(piles: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dp`
[INFO] [stderr]   --> src/bin/1140.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn dp(
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/253.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for (key, (start, end)) in m.into_iter() {
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `delete_and_earn2`
[INFO] [stderr]   --> src/bin/740.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn delete_and_earn2(nums: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/3.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `length_of_longest_substring`
[INFO] [stderr]  --> src/bin/3.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `slow_length_of_longest_substring`
[INFO] [stderr]   --> src/bin/3.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn slow_length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bfs_coin_change`
[INFO] [stderr]   --> src/bin/322.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn bfs_coin_change(coins: Vec<i32>, amount: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1404.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `num_steps`
[INFO] [stderr]  --> src/bin/1404.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn num_steps(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HitCounter`
[INFO] [stderr]  --> src/bin/362.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct HitCounter {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/bin/362.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn new() -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hit`
[INFO] [stderr]   --> src/bin/362.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn hit(&mut self, timestamp: i32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hits`
[INFO] [stderr]   --> src/bin/362.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn get_hits(&self, timestamp: i32) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bin/1381.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(maxSize: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/bin/1381.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn push(&mut self, x: i32) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/bin/1381.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn pop(&mut self) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment`
[INFO] [stderr]   --> src/bin/1381.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn increment(&mut self, k: i32, val: i32) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `maxSize` should have a snake case name
[INFO] [stderr]   --> src/bin/1381.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn new(maxSize: i32) -> Self {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to snake case: `max_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bin/1390.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let mut s = 0;
[INFO] [stderr]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cnt`
[INFO] [stderr]  --> src/bin/1390.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |             let mut cnt = 1;
[INFO] [stderr]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cnt`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/1390.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let mut s = 0;
[INFO] [stderr]   |                 ----^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/1390.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |             let mut cnt = 1;
[INFO] [stderr]   |                 ----^^^
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/648.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `replace_words`
[INFO] [stderr]  --> src/bin/648.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn replace_words(dict: Vec<String>, sentence: String) -> String {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/bin/49.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valley` is never read
[INFO] [stderr]  --> src/bin/122.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut valley = prices[0];
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `peek` is never read
[INFO] [stderr]   --> src/bin/122.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let mut peek = prices[0];
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valley` is never read
[INFO] [stderr]   --> src/bin/122.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             valley = peek;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MOD` should have a snake case name
[INFO] [stderr]  --> src/bin/1383.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let MOD = 1_000_000_007;
[INFO] [stderr]   |             ^^^ help: convert the identifier to snake case: `mod`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/122.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `max_profit`
[INFO] [stderr]  --> src/bin/122.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `simplest_max_profit`
[INFO] [stderr]   --> src/bin/122.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn simplest_max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `brute_force_max_profit`
[INFO] [stderr]   --> src/bin/122.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn brute_force_max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calc`
[INFO] [stderr]   --> src/bin/122.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn calc(prices: &[i32], s: usize) -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1374.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `generate_the_string`
[INFO] [stderr]  --> src/bin/1374.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn generate_the_string(n: i32) -> String {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]   --> src/bin/111.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Solution;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `min_depth`
[INFO] [stderr]   --> src/bin/111.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn min_depth(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_node`
[INFO] [stderr]   --> src/bin/111.rs:57:4
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn make_node(val: i32) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_node_with`
[INFO] [stderr]   --> src/bin/111.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn make_node_with(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/49.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `group_anagrams`
[INFO] [stderr]  --> src/bin/49.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]  --> src/bin/1380.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let width = matrix[0].len();
[INFO] [stderr]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]  --> src/bin/1380.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let width = matrix[0].len();
[INFO] [stderr]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1011.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ship_within_days`
[INFO] [stderr]  --> src/bin/1011.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn ship_within_days(weights: Vec<i32>, d: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/213.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rob`
[INFO] [stderr]  --> src/bin/213.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1234.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `balanced_string`
[INFO] [stderr]  --> src/bin/1234.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn balanced_string(s: String) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cur_right_ok`
[INFO] [stderr]   --> src/bin/1234.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn cur_right_ok(counts: &[i32], len: usize) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `next_right_ng`
[INFO] [stderr]   --> src/bin/1234.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn next_right_ng(counts: &[i32], next_char: char, len: usize) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_to_index`
[INFO] [stderr]   --> src/bin/1234.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn char_to_index(c: char) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `naive_add_binary`
[INFO] [stderr]   --> src/bin/67.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn naive_add_binary(a: String, b: String) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]   --> src/bin/1130.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     use std::cmp::{max, min};
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/199.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `right_side_view`
[INFO] [stderr]  --> src/bin/199.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn right_side_view(root: Node) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/bin/199.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn dfs(node: Node, vec: &mut Vec<i32>, depth: usize) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/341.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut it = NestedIterator::new(wrap(nested_integer!([])));
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nestedList` should have a snake case name
[INFO] [stderr]   --> src/bin/341.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(nestedList: Vec<NestedInteger>) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^ help: convert the identifier to snake case: `nested_list`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/bin/76.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1209.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove_duplicates`
[INFO] [stderr]  --> src/bin/1209.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn remove_duplicates(s: String, k: i32) -> String {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/1375.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/76.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut t_count = t.chars().fold(HashMap::new(), |mut acc, ch| {
[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: associated function is never used: `num_times_all_blue`
[INFO] [stderr]  --> src/bin/1375.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn num_times_all_blue(light: Vec<i32>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `segtree_num_times_all_blue`
[INFO] [stderr]   --> src/bin/1375.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn segtree_num_times_all_blue(light: Vec<i32>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/393.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `valid_utf8`
[INFO] [stderr]  --> src/bin/393.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn valid_utf8(data: Vec<i32>) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/127.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ladder_length`
[INFO] [stderr]  --> src/bin/127.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn ladder_length(begin_word: String, end_word: String, word_list: Vec<String>) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bfs_ladder_length`
[INFO] [stderr]   --> src/bin/127.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn bfs_ladder_length(begin_word: String, end_word: String, word_list: Vec<String>) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dist`
[INFO] [stderr]   --> src/bin/127.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn dist(x: &[char], y: &[char]) -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bin/779.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         x => {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/779.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kth_grammar`
[INFO] [stderr]  --> src/bin/779.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn kth_grammar(n: i32, k: i32) -> i32 {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/bin/779.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn solve(row: i32, col: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Solution`
[INFO] [stderr]  --> src/bin/735.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution;
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `asteroid_collision`
[INFO] [stderr]  --> src/bin/735.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn asteroid_collision(asteroids: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_node`
[INFO] [stderr]   --> src/bin/98.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn make_node(val: i32) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_node_with`
[INFO] [stderr]   --> src/bin/98.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn make_node_with(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `1406`
[INFO] [stderr]  --> src/bin/1406.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | // TODO
[INFO] [stderr]   |         ^ consider adding a `main` function to `src/bin/1406.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] warning: associated function is never used: `naive_range_bitwise_and`
[INFO] [stderr]   --> src/bin/201.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn naive_range_bitwise_and(m: i32, n: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `leetcode-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bfs_mle_broken_calc`
[INFO] [stderr]   --> src/bin/991.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn bfs_mle_broken_calc(x: i32, y: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `bfs_coin_change`
[INFO] [stderr]   --> src/bin/322.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn bfs_coin_change(coins: Vec<i32>, amount: i32) -> i32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/bin/22.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2dafdd292b484710d0c3866d59570257db0e27cb25acdf1a9df85cc156c86118"`
[INFO] running `"docker" "rm" "-f" "2dafdd292b484710d0c3866d59570257db0e27cb25acdf1a9df85cc156c86118"`
[INFO] [stdout] 2dafdd292b484710d0c3866d59570257db0e27cb25acdf1a9df85cc156c86118