[INFO] cloning repository https://github.com/Osmait/algoritmosRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Osmait/algoritmosRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsmait%2FalgoritmosRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsmait%2FalgoritmosRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 262a451e729e65a5f421db161f65397e2db47bc2
[INFO] testing Osmait/algoritmosRust against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOsmait%2FalgoritmosRust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Osmait/algoritmosRust
[INFO] finished tweaking git repo https://github.com/Osmait/algoritmosRust
[INFO] tweaked toml for git repo https://github.com/Osmait/algoritmosRust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Osmait/algoritmosRust on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Osmait/algoritmosRust 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e977cfbaf6c13cc40ec0ec173259316d9e60577779cd24c315531ba88da022e
[INFO] running `Command { std: "docker" "start" "-a" "4e977cfbaf6c13cc40ec0ec173259316d9e60577779cd24c315531ba88da022e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e977cfbaf6c13cc40ec0ec173259316d9e60577779cd24c315531ba88da022e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e977cfbaf6c13cc40ec0ec173259316d9e60577779cd24c315531ba88da022e", kill_on_drop: false }`
[INFO] [stdout] 4e977cfbaf6c13cc40ec0ec173259316d9e60577779cd24c315531ba88da022e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b7fb9cc8f4c594cfca16eeee7a0b67b94d3fea8131e5490a13d073aa9fce0e
[INFO] running `Command { std: "docker" "start" "-a" "66b7fb9cc8f4c594cfca16eeee7a0b67b94d3fea8131e5490a13d073aa9fce0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling algoritmos_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::linked_list::LinkedList`
[INFO] [stdout]  --> src/data_structure/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::linked_list::LinkedList;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/searching/binary_search.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stdout]   |                               ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stdout] 7 +         is_asc = arr[0] < arr[arr.len() - 1];
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::binary_search::binary_search`
[INFO] [stdout]  --> src/searching/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::binary_search::binary_search;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::quick_sort::partition`
[INFO] [stdout]  --> src/sorting/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::quick_sort::partition;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letter`
[INFO] [stdout]  --> src/challerger/permutation.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |             let letter = &stg[0..i];
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `front`
[INFO] [stdout]  --> src/challerger/permutation.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |             let front=&stg[0..i];
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_front`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/letcode/product_except_seld.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn product_except_self(mut nums:Vec<i32>)-> Vec<i32> {
[INFO] [stdout]   |                        ----^^^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/data_structure/linked_list.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structure/linked_list.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(t: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedList` is never constructed
[INFO] [stdout]   --> src/data_structure/linked_list.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct LinkedList<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/data_structure/linked_list.rs:36:12
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- associated items in this implementation
[INFO] [stdout]  36 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  45 |     pub fn insert_at_head(&mut self, obj: T) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  58 |     pub fn insert_at_tail(&mut self, obj: T) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     pub fn insert_at_ith(&mut self, index: u32, obj: T) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn delete_head(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn delete_tail(&mut self) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn delete_ith(&mut self, index: u32) -> Option<T> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn get(&mut self, index: i32) -> Option<&'static T> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn get_ith_node(node: Option<NonNull<Node<T>>>, index: i32) -> Option<&'static T> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> src/data_structure/queue.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Queue<T>{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `enqueue`, `dequeue`, `peek_front`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/data_structure/queue.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl <T>Queue<T> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new()-> Queue<T>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn enqueue(&mut self,value:T){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn dequeue(&mut self)->Option<T>{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn peek_front(&self)-> Option<&T>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn len(&self)-> usize{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn is_empty(&self)-> bool{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search` is never used
[INFO] [stdout]  --> src/searching/binary_search.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn binary_search<T: Ord>(item: &T, arr: &[T]) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_sort` is never used
[INFO] [stdout]  --> src/sorting/bucket_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn bucket_sort(arr: &[usize]) -> Vec<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]  --> src/sorting/insertion_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion_sort<T: Ord + Copy>(arr: &mut [T]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]  --> src/challerger/permutation.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn permute(stg:String,pocket:String) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains_duplicate` is never used
[INFO] [stdout]  --> src/letcode/contains_duplicate.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn contains_duplicate(nums:Vec<i32>)->bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]  --> src/letcode/valid_anagram.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn is_anagram(s:String,t:String)-> bool{
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]  --> src/letcode/two_sum.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn two_sum(nums:Vec<i32>,target:i32)->Vec<i32>{
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_frequent` is never used
[INFO] [stdout]  --> src/letcode/top_frequent.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn top_k_frequent(nums:Vec<i32>,k:i32)-> Vec<i32>{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_select` is never used
[INFO] [stdout]   --> src/letcode/top_frequent.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn quick_select(slice: &mut [(i32, i32)], k: i32) -> &[(i32, i32)]{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `product_except_self` is never used
[INFO] [stdout]  --> src/letcode/product_except_seld.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn product_except_self(mut nums:Vec<i32>)-> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_sudoku` is never used
[INFO] [stdout]  --> src/letcode/is_valid_sudoku.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn is_valid_sudoku(board:Vec<Vec<char>>)->bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Codec` is never constructed
[INFO] [stdout]  --> src/letcode/decode.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Codec {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `encode`, and `decode` are never used
[INFO] [stdout]   --> src/letcode/decode.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Codec {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  4 |     fn new()-> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  7 |     fn encode(&self,strs:Vec<String>)->String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn decode(&self, s:String)-> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_consecutive` is never used
[INFO] [stdout]  --> src/letcode/longest_consecutive.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_consecutive(nums:Vec<i32>)->i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/letcode/is_palindrome.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_palindrome(s:String)->bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "66b7fb9cc8f4c594cfca16eeee7a0b67b94d3fea8131e5490a13d073aa9fce0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b7fb9cc8f4c594cfca16eeee7a0b67b94d3fea8131e5490a13d073aa9fce0e", kill_on_drop: false }`
[INFO] [stdout] 66b7fb9cc8f4c594cfca16eeee7a0b67b94d3fea8131e5490a13d073aa9fce0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce7c3b15f6add81a8f4f05068eaea3bebd21045769923147a091e9a1d895b87
[INFO] running `Command { std: "docker" "start" "-a" "1ce7c3b15f6add81a8f4f05068eaea3bebd21045769923147a091e9a1d895b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling algoritmos_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::linked_list::LinkedList`
[INFO] [stdout]  --> src/data_structure/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::linked_list::LinkedList;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/searching/binary_search.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stdout]   |                               ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stdout] 7 +         is_asc = arr[0] < arr[arr.len() - 1];
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::binary_search::binary_search`
[INFO] [stdout]  --> src/searching/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::binary_search::binary_search;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::quick_sort::partition`
[INFO] [stdout]  --> src/sorting/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use self::quick_sort::partition;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `letter`
[INFO] [stdout]  --> src/challerger/permutation.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |             let letter = &stg[0..i];
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `front`
[INFO] [stdout]  --> src/challerger/permutation.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |             let front=&stg[0..i];
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_front`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/letcode/product_except_seld.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn product_except_self(mut nums:Vec<i32>)-> Vec<i32> {
[INFO] [stdout]   |                        ----^^^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_sort` is never used
[INFO] [stdout]  --> src/sorting/bucket_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn bucket_sort(arr: &[usize]) -> Vec<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]  --> src/sorting/insertion_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion_sort<T: Ord + Copy>(arr: &mut [T]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]  --> src/challerger/permutation.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn permute(stg:String,pocket:String) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_frequent` is never used
[INFO] [stdout]  --> src/letcode/top_frequent.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn top_k_frequent(nums:Vec<i32>,k:i32)-> Vec<i32>{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_select` is never used
[INFO] [stdout]   --> src/letcode/top_frequent.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn quick_select(slice: &mut [(i32, i32)], k: i32) -> &[(i32, i32)]{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_sudoku` is never used
[INFO] [stdout]  --> src/letcode/is_valid_sudoku.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn is_valid_sudoku(board:Vec<Vec<char>>)->bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Codec` is never constructed
[INFO] [stdout]  --> src/letcode/decode.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Codec {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `encode`, and `decode` are never used
[INFO] [stdout]   --> src/letcode/decode.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Codec {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  4 |     fn new()-> Self{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  7 |     fn encode(&self,strs:Vec<String>)->String {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn decode(&self, s:String)-> Vec<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/letcode/is_palindrome.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_palindrome(s:String)->bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "1ce7c3b15f6add81a8f4f05068eaea3bebd21045769923147a091e9a1d895b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce7c3b15f6add81a8f4f05068eaea3bebd21045769923147a091e9a1d895b87", kill_on_drop: false }`
[INFO] [stdout] 1ce7c3b15f6add81a8f4f05068eaea3bebd21045769923147a091e9a1d895b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fe2c07ffe5e5f8f6f04ada35f87ce712c24a1e5c67f6732650d73a1d18f364c
[INFO] running `Command { std: "docker" "start" "-a" "0fe2c07ffe5e5f8f6f04ada35f87ce712c24a1e5c67f6732650d73a1d18f364c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::linked_list::LinkedList`
[INFO] [stderr]  --> src/data_structure/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use self::linked_list::LinkedList;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]  --> src/searching/binary_search.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stderr]   |                               ^             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 7 -         is_asc = arr[0] < arr[(arr.len() - 1)];
[INFO] [stderr] 7 +         is_asc = arr[0] < arr[arr.len() - 1];
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::binary_search::binary_search`
[INFO] [stderr]  --> src/searching/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use self::binary_search::binary_search;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::quick_sort::partition`
[INFO] [stderr]  --> src/sorting/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use self::quick_sort::partition;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]  --> src/challerger/permutation.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |             let letter = &stg[0..i];
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_letter`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `front`
[INFO] [stderr]  --> src/challerger/permutation.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |             let front=&stg[0..i];
[INFO] [stderr]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_front`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/letcode/product_except_seld.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn product_except_self(mut nums:Vec<i32>)-> Vec<i32> {
[INFO] [stderr]   |                        ----^^^^
[INFO] [stderr]   |                        |
[INFO] [stderr]   |                        help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bucket_sort` is never used
[INFO] [stderr]  --> src/sorting/bucket_sort.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn bucket_sort(arr: &[usize]) -> Vec<usize> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `insertion_sort` is never used
[INFO] [stderr]  --> src/sorting/insertion_sort.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn insertion_sort<T: Ord + Copy>(arr: &mut [T]) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `permute` is never used
[INFO] [stderr]  --> src/challerger/permutation.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn permute(stg:String,pocket:String) {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `top_k_frequent` is never used
[INFO] [stderr]  --> src/letcode/top_frequent.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn top_k_frequent(nums:Vec<i32>,k:i32)-> Vec<i32>{
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quick_select` is never used
[INFO] [stderr]   --> src/letcode/top_frequent.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn quick_select(slice: &mut [(i32, i32)], k: i32) -> &[(i32, i32)]{
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_valid_sudoku` is never used
[INFO] [stderr]  --> src/letcode/is_valid_sudoku.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn is_valid_sudoku(board:Vec<Vec<char>>)->bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Codec` is never constructed
[INFO] [stderr]  --> src/letcode/decode.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Codec {}
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `encode`, and `decode` are never used
[INFO] [stderr]   --> src/letcode/decode.rs:4:8
[INFO] [stderr]    |
[INFO] [stderr]  3 | impl Codec {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr]  4 |     fn new()-> Self{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  7 |     fn encode(&self,strs:Vec<String>)->String {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn decode(&self, s:String)-> Vec<String> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_palindrome` is never used
[INFO] [stderr]  --> src/letcode/is_palindrome.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn is_palindrome(s:String)->bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `algoritmos_Rust` (bin "algoritmos_Rust" test) generated 16 warnings (run `cargo fix --bin "algoritmos_Rust" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/algoritmos_Rust-937a1aabf1dc7542)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test data_structure::linked_list::tests::create_numeric_list ... ok
[INFO] [stdout] test data_structure::linked_list::tests::delete_ith_can_delete_in_middle ... ok
[INFO] [stdout] test data_structure::linked_list::tests::delete_head_works ... ok
[INFO] [stdout] test data_structure::linked_list::tests::delete_ith_can_delete_at_head ... ok
[INFO] [stdout] test data_structure::linked_list::tests::delete_ith_can_delete_at_tail ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_head_works ... ok
[INFO] [stdout] test data_structure::linked_list::tests::get_by_index_in_numeric_list ... ok
[INFO] [stdout] test data_structure::linked_list::tests::get_by_index_in_string_list ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_ith_and_delete_at_ith_in_the_middle ... ok
[INFO] [stdout] test data_structure::linked_list::tests::create_string_list ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_ith_and_delete_ith_work_over_many_iterations ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_ith_can_add_to_head ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_ith_can_add_to_middle ... ok
[INFO] [stdout] test data_structure::linked_list::tests::delete_tail_works ... ok
[INFO] [stdout] test data_structure::queue::tests::test_peek_front ... ok
[INFO] [stdout] test data_structure::queue::tests::test_size ... ok
[INFO] [stdout] test letcode::contains_duplicate::tests::duplicate ... ok
[INFO] [stdout] test data_structure::queue::tests::test_enqueue ... ok
[INFO] [stdout] test letcode::product_except_seld::tests::test_product ... ok
[INFO] [stdout] test searching::binary_search::tests::empty ... ok
[INFO] [stdout] test searching::binary_search::tests::not_found ... ok
[INFO] [stdout] test searching::binary_search::tests::one_item ... ok
[INFO] [stdout] test letcode::longest_consecutive::tests::test_longest ... ok
[INFO] [stdout] test searching::binary_search::tests::search_ints_asc ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_tail_works ... ok
[INFO] [stdout] test searching::binary_search::tests::search_ints_desc ... ok
[INFO] [stdout] test letcode::two_sum::tests::two_sum_test ... ok
[INFO] [stdout] test searching::binary_search::tests::search_strings_asc ... ok
[INFO] [stdout] test data_structure::linked_list::tests::insert_at_ith_can_add_to_tail ... ok
[INFO] [stdout] test data_structure::queue::tests::test_dequeue ... ok
[INFO] [stdout] test searching::binary_search::tests::search_strings_desc ... ok
[INFO] [stdout] test letcode::valid_anagram::tests::anagrams ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fe2c07ffe5e5f8f6f04ada35f87ce712c24a1e5c67f6732650d73a1d18f364c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe2c07ffe5e5f8f6f04ada35f87ce712c24a1e5c67f6732650d73a1d18f364c", kill_on_drop: false }`
[INFO] [stdout] 0fe2c07ffe5e5f8f6f04ada35f87ce712c24a1e5c67f6732650d73a1d18f364c