[INFO] cloning repository https://github.com/KoStard/rust_data_types_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoStard/rust_data_types_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoStard%2Frust_data_types_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoStard%2Frust_data_types_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54215ab6c8fdac8cd103da7015352d1b4218bd6d
[INFO] checking KoStard/rust_data_types_simulator against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoStard%2Frust_data_types_simulator" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KoStard/rust_data_types_simulator on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KoStard/rust_data_types_simulator
[INFO] finished tweaking git repo https://github.com/KoStard/rust_data_types_simulator
[INFO] tweaked toml for git repo https://github.com/KoStard/rust_data_types_simulator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/KoStard/rust_data_types_simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c58e7685252bfec4fa51bf2279723770f60340c624a1989a43e23d30804d10b
[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" "8c58e7685252bfec4fa51bf2279723770f60340c624a1989a43e23d30804d10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c58e7685252bfec4fa51bf2279723770f60340c624a1989a43e23d30804d10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c58e7685252bfec4fa51bf2279723770f60340c624a1989a43e23d30804d10b", kill_on_drop: false }`
[INFO] [stdout] 8c58e7685252bfec4fa51bf2279723770f60340c624a1989a43e23d30804d10b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5960060c378582305112dfb58720f06a23e045d55f62c87a446a3b42322b48
[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" "9a5960060c378582305112dfb58720f06a23e045d55f62c87a446a3b42322b48", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_data_types_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::i8`
[INFO] [stdout]  --> src/data_structures/iN_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i8;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `iN` should have an upper camel case name
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct iN {
[INFO] [stdout]    |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `IN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::i8`
[INFO] [stdout]  --> src/data_structures/iN_struct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::i8;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `iN` should have an upper camel case name
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct iN {
[INFO] [stdout]    |            ^^ help: convert the identifier to upper camel case (notice the capitalization): `IN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut index = self.array.len();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut index = self.array.len();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut heap = MaxHeap::from_array((0i64..63i64).rev().collect::<Vec<i64>>().as_slice());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut index = self.array.len();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut heap = MaxHeap::from_array((0i64..63i64).rev().collect::<Vec<i64>>().as_slice());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut index = self.array.len();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut heap = MinHeap::from_array((0i64..63i64).rev().collect::<Vec<i64>>().as_slice());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut heap = MinHeap::from_array((0i64..63i64).rev().collect::<Vec<i64>>().as_slice());
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> MaxHeap {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_array`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `getMaxi`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_heapify_up`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn max_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_heapify`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn max_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increase_key`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_key`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn delete_key(&mut self, index: usize) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parent`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn parent(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `left_child`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn left_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `right_child`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn right_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> MinHeap {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_array`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MinHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `getMini`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MinHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_heapify_up`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn min_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_heapify`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn min_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrease_key`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn decrease_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increase_key`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_root_value`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn change_root_value(&mut self, new_value: i64) -> &mut MinHeap{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_key`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn delete_key(&mut self, index: usize) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_vec`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn as_vec(&self) -> Vec<i64>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parent`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn parent(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `left_child`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn left_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `right_child`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn right_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/singly_linked_list.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Modes`
[INFO] [stdout]  --> src/algorithms/k_largest_elements_in_array.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Modes {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_largest_elements_in_array`
[INFO] [stdout]   --> src/algorithms/k_largest_elements_in_array.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn k_largest_elements_in_array(array: &Vec<i64>, k: usize, mode: Modes) -> Vec<i64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/algorithms/k_largest_elements_in_array.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn demo() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `iN_struct` should have a snake case name
[INFO] [stdout]  --> src/data_structures/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod iN_struct;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `i_n_struct`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_iN` should have a snake case name
[INFO] [stdout]  --> src/data_structures/iN_struct.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn vec_to_iN(v: Vec<bool>) -> iN {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `vec_to_i_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMaxi` should have a snake case name
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `get_maxi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMini` should have a snake case name
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `get_mini`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> MaxHeap {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_array`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `getMaxi`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_heapify_up`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn max_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_heapify`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn max_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increase_key`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_key`
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn delete_key(&mut self, index: usize) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parent`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn parent(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `left_child`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn left_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `right_child`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn right_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/max_binary_heap.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> MinHeap {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_array`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MinHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `getMini`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MinHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_heapify_up`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn min_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min_heapify`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn min_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrease_key`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn decrease_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increase_key`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_root_value`
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn change_root_value(&mut self, new_value: i64) -> &mut MinHeap{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delete_key`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn delete_key(&mut self, index: usize) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_vec`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn as_vec(&self) -> Vec<i64>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parent`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn parent(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `left_child`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn left_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `right_child`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn right_child(i: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]    --> src/data_structures/singly_linked_list.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn demo() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Modes`
[INFO] [stdout]  --> src/algorithms/k_largest_elements_in_array.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Modes {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `k_largest_elements_in_array`
[INFO] [stdout]   --> src/algorithms/k_largest_elements_in_array.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn k_largest_elements_in_array(array: &Vec<i64>, k: usize, mode: Modes) -> Vec<i64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/algorithms/k_largest_elements_in_array.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn demo() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `iN_struct` should have a snake case name
[INFO] [stdout]  --> src/data_structures/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod iN_struct;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `i_n_struct`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_iN` should have a snake case name
[INFO] [stdout]  --> src/data_structures/iN_struct.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn vec_to_iN(v: Vec<bool>) -> iN {
[INFO] [stdout]   |    ^^^^^^^^^ help: convert the identifier to snake case: `vec_to_i_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMaxi` should have a snake case name
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `get_maxi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getMini` should have a snake case name
[INFO] [stdout]   --> src/data_structures/min_binary_heap.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `get_mini`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "9a5960060c378582305112dfb58720f06a23e045d55f62c87a446a3b42322b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5960060c378582305112dfb58720f06a23e045d55f62c87a446a3b42322b48", kill_on_drop: false }`
[INFO] [stdout] 9a5960060c378582305112dfb58720f06a23e045d55f62c87a446a3b42322b48
