[INFO] cloning repository https://github.com/Kasyima/rs-trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kasyima/rs-trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasyima%2Frs-trees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasyima%2Frs-trees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3fbcf445dea6a1ef87ae32f221889f7f6f7ba7c
[INFO] checking Kasyima/rs-trees against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasyima%2Frs-trees" "/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/Kasyima/rs-trees
[INFO] finished tweaking git repo https://github.com/Kasyima/rs-trees
[INFO] tweaked toml for git repo https://github.com/Kasyima/rs-trees written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kasyima/rs-trees on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kasyima/rs-trees 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b63c537061f613c71cafbaad5b1db31331797bd84f8258f9887cfcd9b8daae
[INFO] running `Command { std: "docker" "start" "-a" "64b63c537061f613c71cafbaad5b1db31331797bd84f8258f9887cfcd9b8daae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b63c537061f613c71cafbaad5b1db31331797bd84f8258f9887cfcd9b8daae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b63c537061f613c71cafbaad5b1db31331797bd84f8258f9887cfcd9b8daae", kill_on_drop: false }`
[INFO] [stdout] 64b63c537061f613c71cafbaad5b1db31331797bd84f8258f9887cfcd9b8daae
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b147f4f1c0cc35fe2023622e7b3f88a70c22285145963161b4569cec10f1499c
[INFO] running `Command { std: "docker" "start" "-a" "b147f4f1c0cc35fe2023622e7b3f88a70c22285145963161b4569cec10f1499c", kill_on_drop: false }`
[INFO] [stderr]     Checking trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/lib.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::{Debug, Display};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/lib.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::{Debug, Display};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/level_order_traversal.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let size = self.size();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/lib.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Link<T> = Option<Box<BinaryTree<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: struct `BinaryTree` is never constructed
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BinaryTree<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:29:8
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]     | ----------------------------------------------------- associated items in this implementation
[INFO] [stdout]  29 |     fn new(key: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  43 |     fn insert_left_node(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     fn insert_right_node(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     fn calc_size(&self, mut size: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn leaf_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn none_leaf_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn depth(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn get_left(&self) -> Link<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn get_right(&self) -> Link<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn get_key(&self) -> T {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn set_key(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn min(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn max(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn contains(&self, key: &T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `preorder` is never used
[INFO] [stdout]   --> src/pre_order_traversal.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]    | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 13 |     fn preorder(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preorder` is never used
[INFO] [stdout]   --> src/pre_order_traversal.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn preorder<T: Clone + Ord + ToString + Debug> (bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `postorder` is never used
[INFO] [stdout]  --> src/post_order_traversal.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 8 |     fn postorder(&self) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `postorder` is never used
[INFO] [stdout]   --> src/post_order_traversal.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn postorder<T: Clone + Ord + ToString + Debug>(bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inorder` is never used
[INFO] [stdout]  --> src/in_order_traversal.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T>  {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 8 |     fn inorder(&self) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inorder` is never used
[INFO] [stdout]   --> src/in_order_traversal.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn inorder<T: Clone + Ord + ToString + Debug>(bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `levelorder` is never used
[INFO] [stdout]  --> src/level_order_traversal.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 9 |     fn levelorder(&self) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryHeap` is never constructed
[INFO] [stdout]   --> src/binary_heap.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct BinaryHeap{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/binary_heap.rs:65:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl BinaryHeap {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  65 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn min(&self) -> Option<i32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn push(&mut self, val: i32) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn move_up(&mut self, mut c: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn pop(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn move_down(&mut self, mut c: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn min_child(&self, c: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn build_new(&mut self, arr: &[i32]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/level_order_traversal.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let size = self.size();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/lib.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Link<T> = Option<Box<BinaryTree<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: struct `BinaryTree` is never constructed
[INFO] [stdout]   --> src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct BinaryTree<T> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lib.rs:29:8
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]     | ----------------------------------------------------- associated items in this implementation
[INFO] [stdout]  29 |     fn new(key: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  43 |     fn insert_left_node(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     fn insert_right_node(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  71 |     fn calc_size(&self, mut size: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn leaf_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn none_leaf_size(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn depth(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn get_left(&self) -> Link<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn get_right(&self) -> Link<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn get_key(&self) -> T {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn set_key(&mut self, key: T) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn min(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn max(&self) -> Option<&T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn contains(&self, key: &T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `preorder` is never used
[INFO] [stdout]   --> src/pre_order_traversal.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]    | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 13 |     fn preorder(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `preorder` is never used
[INFO] [stdout]   --> src/pre_order_traversal.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn preorder<T: Clone + Ord + ToString + Debug> (bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `postorder` is never used
[INFO] [stdout]  --> src/post_order_traversal.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 8 |     fn postorder(&self) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `postorder` is never used
[INFO] [stdout]   --> src/post_order_traversal.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn postorder<T: Clone + Ord + ToString + Debug>(bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inorder` is never used
[INFO] [stdout]  --> src/in_order_traversal.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T>  {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 8 |     fn inorder(&self) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inorder` is never used
[INFO] [stdout]   --> src/in_order_traversal.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn inorder<T: Clone + Ord + ToString + Debug>(bt: Link<T>) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `levelorder` is never used
[INFO] [stdout]  --> src/level_order_traversal.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T: Clone + Ord + ToString + Debug> BinaryTree<T> {
[INFO] [stdout]   | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 9 |     fn levelorder(&self) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryHeap` is never constructed
[INFO] [stdout]   --> src/binary_heap.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct BinaryHeap{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/binary_heap.rs:65:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl BinaryHeap {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  65 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |     fn size(&self) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn min(&self) -> Option<i32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn push(&mut self, val: i32) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn move_up(&mut self, mut c: usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn pop(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn move_down(&mut self, mut c: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn min_child(&self, c: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     fn build_new(&mut self, arr: &[i32]) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "b147f4f1c0cc35fe2023622e7b3f88a70c22285145963161b4569cec10f1499c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b147f4f1c0cc35fe2023622e7b3f88a70c22285145963161b4569cec10f1499c", kill_on_drop: false }`
[INFO] [stdout] b147f4f1c0cc35fe2023622e7b3f88a70c22285145963161b4569cec10f1499c
