[INFO] cloning repository https://github.com/DonizeteVida/rust_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DonizeteVida/rust_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDonizeteVida%2Frust_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDonizeteVida%2Frust_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b6e5a21fda2a2c31dbea007e9d738a6a5737e2f
[INFO] testing DonizeteVida/rust_algorithms against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDonizeteVida%2Frust_algorithms" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DonizeteVida/rust_algorithms on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DonizeteVida/rust_algorithms
[INFO] finished tweaking git repo https://github.com/DonizeteVida/rust_algorithms
[INFO] tweaked toml for git repo https://github.com/DonizeteVida/rust_algorithms written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DonizeteVida/rust_algorithms 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" "+beta-2023-04-20" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1be02f8379dd3176ce19781182f870f5ad436204d1ef4ca6766797e7d4e44c04
[INFO] running `Command { std: "docker" "start" "-a" "1be02f8379dd3176ce19781182f870f5ad436204d1ef4ca6766797e7d4e44c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1be02f8379dd3176ce19781182f870f5ad436204d1ef4ca6766797e7d4e44c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be02f8379dd3176ce19781182f870f5ad436204d1ef4ca6766797e7d4e44c04", kill_on_drop: false }`
[INFO] [stdout] 1be02f8379dd3176ce19781182f870f5ad436204d1ef4ca6766797e7d4e44c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df71642597c5e3b602e19bf91077fa3fecc70ef92f12475cb19eb2112de289c
[INFO] running `Command { std: "docker" "start" "-a" "8df71642597c5e3b602e19bf91077fa3fecc70ef92f12475cb19eb2112de289c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/binary_tree.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn remove(&mut self, item: T) -> Option<T> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]  --> src/binary_tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BinaryTree<T> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     node: Option<Box<Node<T>>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BinaryTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left`, `right`, and `item` are never read
[INFO] [stdout]   --> src/binary_tree.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 10 |     left: Option<Box<Node<T>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     right: Option<Box<Node<T>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     item: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/binary_tree.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 16 |     fn new(item: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/binary_tree.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<T> BinaryTree<T>
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn add(&mut self, item: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn inorder<F: Fn(&T)>(&self, f: F) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn preorder<F: Fn(&T)>(&self, f: F) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn postorder<F: Fn(&T)>(&self, f: F) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn remove(&mut self, item: T) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn contains(&self, item: T) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/too_many_lists/bad_stack/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct List<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Link` is never used
[INFO] [stdout]  --> src/too_many_lists/bad_stack/mod.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Link<T> {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Node<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(elem: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> List<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `head` is never read
[INFO] [stdout]  --> src/double_linked_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct DoubleLinkedList<T> {
[INFO] [stdout]   |        ---------------- field in this struct
[INFO] [stdout] 7 |     head: Typo<T>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DoubleLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prev`, `data`, and `next` are never read
[INFO] [stdout]   --> src/double_linked_list.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 12 |     prev: Typo<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     data: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     next: Typo<T>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/double_linked_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T> Node<T> {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(data: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/double_linked_list.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl <T> DoubleLinkedList<T> {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 24 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn push(&mut self, data: T) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "8df71642597c5e3b602e19bf91077fa3fecc70ef92f12475cb19eb2112de289c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df71642597c5e3b602e19bf91077fa3fecc70ef92f12475cb19eb2112de289c", kill_on_drop: false }`
[INFO] [stdout] 8df71642597c5e3b602e19bf91077fa3fecc70ef92f12475cb19eb2112de289c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 467ae20c996cac9e1795d554b8b52078fa4b251176850f439a40746a2f907f5e
[INFO] running `Command { std: "docker" "start" "-a" "467ae20c996cac9e1795d554b8b52078fa4b251176850f439a40746a2f907f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/binary_tree.rs:91:30
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn remove(&mut self, item: T) -> Option<T> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]  --> src/too_many_lists/bad_stack/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct List<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Link` is never used
[INFO] [stdout]  --> src/too_many_lists/bad_stack/mod.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Link<T> {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Node<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(elem: T) -> Node<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/too_many_lists/bad_stack/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T> List<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new() -> List<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn push(&mut self, elem: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "467ae20c996cac9e1795d554b8b52078fa4b251176850f439a40746a2f907f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467ae20c996cac9e1795d554b8b52078fa4b251176850f439a40746a2f907f5e", kill_on_drop: false }`
[INFO] [stdout] 467ae20c996cac9e1795d554b8b52078fa4b251176850f439a40746a2f907f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 797d00b1795632054a94c66779fed72a4835d43cc3fe0ed2450ac3727ce4e8b1
[INFO] running `Command { std: "docker" "start" "-a" "797d00b1795632054a94c66779fed72a4835d43cc3fe0ed2450ac3727ce4e8b1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::LinkedList`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::LinkedList;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/too_many_lists/bad_stack/mod.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/binary_tree.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn remove(&mut self, item: T) -> Option<T> {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]  --> src/too_many_lists/bad_stack/mod.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct List<T> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Link` is never used
[INFO] [stderr]  --> src/too_many_lists/bad_stack/mod.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Link<T> {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]   --> src/too_many_lists/bad_stack/mod.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Node<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/too_many_lists/bad_stack/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> Node<T> {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 18 |     fn new(elem: T) -> Node<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stderr]   --> src/too_many_lists/bad_stack/mod.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl<T> List<T> {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 27 |     pub fn new() -> List<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn push(&mut self, elem: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_algorithms` (bin "rust_algorithms" test) generated 8 warnings (run `cargo fix --bin "rust_algorithms" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_algorithms-cd4194fe227a07c4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test binary_tree::tests::should_contain_value ... ok
[INFO] [stdout] test binary_tree::tests::should_postorder ... ok
[INFO] [stdout] test binary_tree::tests::should_inorder ... ok
[INFO] [stdout] test binary_tree::tests::should_preorder ... ok
[INFO] [stdout] test double_linked_list::tests::should_pop_properly ... ok
[INFO] [stdout] test too_many_lists::bad_stack::tests::should_add_item ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'double_linked_list::tests::should_insert_properly' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_algorithms`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_algorithms-cd4194fe227a07c4` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "797d00b1795632054a94c66779fed72a4835d43cc3fe0ed2450ac3727ce4e8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797d00b1795632054a94c66779fed72a4835d43cc3fe0ed2450ac3727ce4e8b1", kill_on_drop: false }`
[INFO] [stdout] 797d00b1795632054a94c66779fed72a4835d43cc3fe0ed2450ac3727ce4e8b1
