[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 try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoStard%2Frust_data_types_simulator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KoStard/rust_data_types_simulator on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking KoStard/rust_data_types_simulator against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoStard%2Frust_data_types_simulator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KoStard/rust_data_types_simulator on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b42a1691b33cc7f93009103dc57ca05a632735579ca5d583c0d786a41a1de4
[INFO] running `Command { std: "docker" "start" "-a" "e7b42a1691b33cc7f93009103dc57ca05a632735579ca5d583c0d786a41a1de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b42a1691b33cc7f93009103dc57ca05a632735579ca5d583c0d786a41a1de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b42a1691b33cc7f93009103dc57ca05a632735579ca5d583c0d786a41a1de4", kill_on_drop: false }`
[INFO] [stdout] e7b42a1691b33cc7f93009103dc57ca05a632735579ca5d583c0d786a41a1de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9623d700bf514570a0eae20a68c9d4af04614f7c50a3b945ad32587b0d14d793
[INFO] running `Command { std: "docker" "start" "-a" "9623d700bf514570a0eae20a68c9d4af04614f7c50a3b945ad32587b0d14d793", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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/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/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)]` (part of `#[warn(unused)]`) 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: function `vec_to_iN` is never used
[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]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `iN` is never constructed
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct iN {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl iN {
[INFO] [stdout]    | ------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(value: i64) -> iN {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `N` is never used
[INFO] [stdout]    --> src/data_structures/iN_struct.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 | const N: usize = 4;
[INFO] [stdout]     |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxHeap` is never constructed
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MaxHeap {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl MaxHeap {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> MaxHeap {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn max_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn levels(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn max_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[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 `parent` is never used
[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 `left_child` is never used
[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 `right_child` is never used
[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 `demo` is never used
[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: struct `MinHeap` is never constructed
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MinHeap {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout]   8 | impl MinHeap {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]   9 |     pub fn new() -> MinHeap {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  12 |     pub fn from_array(arr: &[i64]) -> MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  31 |     pub fn insert(&mut self, new_item: i64) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  37 |     pub fn min_heapify_up(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn levels(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     fn min_heapify(&mut self, index: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn decrease_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn change_root_value(&mut self, new_value: i64) -> &mut MinHeap{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn delete_key(&mut self, index: usize) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn as_vec(&self) -> Vec<i64>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent` is never used
[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 `left_child` is never used
[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 `right_child` is never used
[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 `demo` is never used
[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 `demo` is never used
[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 `Modes` is never used
[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 `k_largest_elements_in_array` is never used
[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 `demo` is never used
[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)]` (part of `#[warn(nonstandard_style)]`) on by default
[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: 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: function `vec_to_iN` is never used
[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]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `iN` is never constructed
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct iN {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structures/iN_struct.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl iN {
[INFO] [stdout]    | ------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(value: i64) -> iN {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `N` is never used
[INFO] [stdout]    --> src/data_structures/iN_struct.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 | const N: usize = 4;
[INFO] [stdout]     |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MaxHeap` is never constructed
[INFO] [stdout]  --> src/data_structures/max_binary_heap.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MaxHeap {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/data_structures/max_binary_heap.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl MaxHeap {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> MaxHeap {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn from_array(arr: &[i64]) -> MaxHeap {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn getMaxi(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn insert(&mut self, new_item: i64) -> &mut MaxHeap {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn max_heapify_up(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn levels(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn max_heapify(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[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 `parent` is never used
[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 `left_child` is never used
[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 `right_child` is never used
[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 `demo` is never used
[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: struct `MinHeap` is never constructed
[INFO] [stdout]  --> src/data_structures/min_binary_heap.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MinHeap {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/data_structures/min_binary_heap.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout]   8 | impl MinHeap {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]   9 |     pub fn new() -> MinHeap {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  12 |     pub fn from_array(arr: &[i64]) -> MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  23 |     pub fn getMini(&self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  26 |     fn swap(&mut self, index1: usize, index2: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  31 |     pub fn insert(&mut self, new_item: i64) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  37 |     pub fn min_heapify_up(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  49 |     pub fn levels(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     pub fn extract(&mut self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     fn min_heapify(&mut self, index: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn decrease_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn increase_key(&mut self, index: usize, new_value: i64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn change_root_value(&mut self, new_value: i64) -> &mut MinHeap{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn delete_key(&mut self, index: usize) -> &mut MinHeap {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn as_vec(&self) -> Vec<i64>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parent` is never used
[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 `left_child` is never used
[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 `right_child` is never used
[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 `demo` is never used
[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 `demo` is never used
[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 `Modes` is never used
[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 `k_largest_elements_in_array` is never used
[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 `demo` is never used
[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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9623d700bf514570a0eae20a68c9d4af04614f7c50a3b945ad32587b0d14d793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9623d700bf514570a0eae20a68c9d4af04614f7c50a3b945ad32587b0d14d793", kill_on_drop: false }`
[INFO] [stdout] 9623d700bf514570a0eae20a68c9d4af04614f7c50a3b945ad32587b0d14d793
