[INFO] cloning repository https://github.com/petrokarpiuk/rust-algorithms-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/petrokarpiuk/rust-algorithms-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrokarpiuk%2Frust-algorithms-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrokarpiuk%2Frust-algorithms-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edc8dbb814a92831251f517c736dc1ee38a2d13c
[INFO] testing petrokarpiuk/rust-algorithms-data-structures against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrokarpiuk%2Frust-algorithms-data-structures" "/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/petrokarpiuk/rust-algorithms-data-structures
[INFO] finished tweaking git repo https://github.com/petrokarpiuk/rust-algorithms-data-structures
[INFO] tweaked toml for git repo https://github.com/petrokarpiuk/rust-algorithms-data-structures written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/petrokarpiuk/rust-algorithms-data-structures on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/petrokarpiuk/rust-algorithms-data-structures 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6753f6df986d6981fb3d539b9c4fd5159946e06c24f60612ebda2cf91632e03e
[INFO] running `Command { std: "docker" "start" "-a" "6753f6df986d6981fb3d539b9c4fd5159946e06c24f60612ebda2cf91632e03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6753f6df986d6981fb3d539b9c4fd5159946e06c24f60612ebda2cf91632e03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6753f6df986d6981fb3d539b9c4fd5159946e06c24f60612ebda2cf91632e03e", kill_on_drop: false }`
[INFO] [stdout] 6753f6df986d6981fb3d539b9c4fd5159946e06c24f60612ebda2cf91632e03e
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346b1459c0d7d71a59a4420ceefef580308877efdf65a9d0c8b01bb89550fff6
[INFO] running `Command { std: "docker" "start" "-a" "346b1459c0d7d71a59a4420ceefef580308877efdf65a9d0c8b01bb89550fff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithms-data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algorithms/merge_sort.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn merge(mut left: Vec<i32>, right: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |              ----^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/merge_sort.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Triangle` is more private than the item `TriangleStripOptimizer::new`
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(triangles: Vec<Triangle>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `TriangleStripOptimizer::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Triangle` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Triangle(pub usize, pub usize, pub usize);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node<T>` is more private than the item `BinarySearchTree::<T>::insert_node`
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn insert_node(parent: Option<Box<Node<T>>>, value: T) -> Option<Box<Node<T>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `BinarySearchTree::<T>::insert_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Node<T>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Node<T: Ord> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]  --> src/algorithms/insertion_sort.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn insertion_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]  --> src/algorithms/merge_sort.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn merge(mut left: Vec<i32>, right: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_sort` is never used
[INFO] [stdout]   --> src/algorithms/merge_sort.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pyramidal_number_knapsack` is never used
[INFO] [stdout]   --> src/algorithms/pyramidal_number_knapsack_two_methods.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn pyramidal_number_knapsack(input_number: u64, max_number: u64) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_sum_two_pyramid_nums` is never used
[INFO] [stdout]   --> src/algorithms/pyramidal_number_knapsack_two_methods.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn build_sum_two_pyramid_nums(max_num: u64, single_num_pyramids: &Vec<u64>) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_single_num_pyramids` is never used
[INFO] [stdout]   --> src/algorithms/pyramidal_number_knapsack_two_methods.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn build_single_num_pyramids(max_num: u64) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_pyramidal_number` is never used
[INFO] [stdout]    --> src/algorithms/pyramidal_number_knapsack_two_methods.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn to_pyramidal_number(number: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort` is never used
[INFO] [stdout]  --> src/algorithms/quicksort.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn quicksort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]  --> src/algorithms/selection_sort.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn selection_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `substring_search` is never used
[INFO] [stdout]  --> src/algorithms/substring_search_pattern.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn substring_search(text: &str, pattern: &str) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Triangle` is never constructed
[INFO] [stdout]  --> src/algorithms/triangle_strips_optimizer.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Triangle(pub usize, pub usize, pub usize);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TriangleStripOptimizer` is never constructed
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TriangleStripOptimizer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `build_adjacency_dual_graph`, `find_longest_strip`, and `compute_strips` are never used
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl TriangleStripOptimizer {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(triangles: Vec<Triangle>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn build_adjacency_dual_graph(triangles: &Vec<Triangle>) -> HashMap<usize, Vec<usize>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn find_longest_strip(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn compute_strips(&self) -> Vec<Vec<usize>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/data_structures/binary_search_tree.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Node<T: Ord> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinarySearchTree` is never constructed
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BinarySearchTree<T: Ord> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `min`, and `max` are never used
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Ord> Node<T> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn min(&self) -> &Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn max(&self) -> &Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert_value`, `insert_node`, and `search` are never used
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<T: Ord> BinarySearchTree<T> {
[INFO] [stdout]    | -------------------------------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn insert_value(&mut self, key: T) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn insert_node(parent: Option<Box<Node<T>>>, value: T) -> Option<Box<Node<T>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn search(&self, value: &T) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "346b1459c0d7d71a59a4420ceefef580308877efdf65a9d0c8b01bb89550fff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346b1459c0d7d71a59a4420ceefef580308877efdf65a9d0c8b01bb89550fff6", kill_on_drop: false }`
[INFO] [stdout] 346b1459c0d7d71a59a4420ceefef580308877efdf65a9d0c8b01bb89550fff6
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be7415dedd3be51b55d3fd465d3102150eac1735dcac3f37e26ff51cb287749
[INFO] running `Command { std: "docker" "start" "-a" "9be7415dedd3be51b55d3fd465d3102150eac1735dcac3f37e26ff51cb287749", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithms-data-structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algorithms/merge_sort.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn merge(mut left: Vec<i32>, right: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]   |              ----^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/merge_sort.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn merge_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `triangle_strips_optimizer::Triangle` is more private than the item `triangle_strips_optimizer::TriangleStripOptimizer::new`
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new(triangles: Vec<Triangle>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `triangle_strips_optimizer::TriangleStripOptimizer::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `triangle_strips_optimizer::Triangle` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/algorithms/triangle_strips_optimizer.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Triangle(pub usize, pub usize, pub usize);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Node<T>` is more private than the item `BinarySearchTree::<T>::insert_node`
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn insert_node(parent: Option<Box<Node<T>>>, value: T) -> Option<Box<Node<T>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `BinarySearchTree::<T>::insert_node` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Node<T>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Node<T: Ord> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `min` and `max` are never used
[INFO] [stdout]   --> src/data_structures/binary_search_tree.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Ord> Node<T> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn min(&self) -> &Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn max(&self) -> &Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "9be7415dedd3be51b55d3fd465d3102150eac1735dcac3f37e26ff51cb287749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be7415dedd3be51b55d3fd465d3102150eac1735dcac3f37e26ff51cb287749", kill_on_drop: false }`
[INFO] [stdout] 9be7415dedd3be51b55d3fd465d3102150eac1735dcac3f37e26ff51cb287749
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f2a8d3cf2efca5c60fbab6554ca3e4c87bbdbaf301055e78b521b1b7bd6e6c8
[INFO] running `Command { std: "docker" "start" "-a" "5f2a8d3cf2efca5c60fbab6554ca3e4c87bbdbaf301055e78b521b1b7bd6e6c8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/algorithms/merge_sort.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn merge(mut left: Vec<i32>, right: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |              ----^^^^
[INFO] [stderr]   |              |
[INFO] [stderr]   |              help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/algorithms/merge_sort.rs:35:19
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn merge_sort(mut arr: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type `triangle_strips_optimizer::Triangle` is more private than the item `triangle_strips_optimizer::TriangleStripOptimizer::new`
[INFO] [stderr]   --> src/algorithms/triangle_strips_optimizer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(triangles: Vec<Triangle>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `triangle_strips_optimizer::TriangleStripOptimizer::new` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `triangle_strips_optimizer::Triangle` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/algorithms/triangle_strips_optimizer.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Triangle(pub usize, pub usize, pub usize);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Node<T>` is more private than the item `BinarySearchTree::<T>::insert_node`
[INFO] [stderr]   --> src/data_structures/binary_search_tree.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn insert_node(parent: Option<Box<Node<T>>>, value: T) -> Option<Box<Node<T>>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `BinarySearchTree::<T>::insert_node` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Node<T>` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/data_structures/binary_search_tree.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Node<T: Ord> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `min` and `max` are never used
[INFO] [stderr]   --> src/data_structures/binary_search_tree.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl<T: Ord> Node<T> {
[INFO] [stderr]    | -------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     fn min(&self) -> &Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn max(&self) -> &Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-algorithms-data-structures` (bin "rust-algorithms-data-structures" test) generated 5 warnings (run `cargo fix --bin "rust-algorithms-data-structures" -p rust-algorithms-data-structures --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_algorithms_data_structures-947fa73e524155c9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test algorithms::insertion_sort::tests::should_sort ... ok
[INFO] [stdout] test algorithms::quicksort::tests::should_sort ... ok
[INFO] [stdout] test algorithms::merge_sort::tests::should_sort ... ok
[INFO] [stdout] test algorithms::substring_search_pattern::tests::should_not_match ... ok
[INFO] [stdout] test algorithms::triangle_strips_optimizer::tests::should_find_simple ... ok
[INFO] [stdout] test algorithms::substring_search_pattern::tests::should_find ... ok
[INFO] [stdout] test data_structures::binary_search_tree::tests::should_find ... ok
[INFO] [stdout] test data_structures::binary_search_tree::tests::should_not_find ... ok
[INFO] [stdout] test algorithms::selection_sort::tests::should_sort ... ok
[INFO] [stdout] test algorithms::substring_search_pattern::tests::should_find_simple ... ok
[INFO] [stdout] test algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-algorithms-data-structures`
[INFO] [stdout] test algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one' (28) panicked at src/algorithms/pyramidal_number_knapsack_two_methods.rs:131:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x612ef635a7e2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x612ef635a7e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x612ef635a7e2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x612ef635a7e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x612ef636a9aa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x612ef636a9aa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x612ef6329766 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x612ef6329766 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x612ef6339cc9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x612ef6339cc9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x612ef6339b61 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x612ef62fe20e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x612ef62fe20e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x612ef6339f42 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x612ef6339f42 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x612ef6339d88 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x612ef6335319 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x612ef631e35d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x612ef63720bc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x612ef6371f73 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x612ef62d377b - core::panicking::assert_failed::h2add9bcb02324e1d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x612ef62dba73 - rust_algorithms_data_structures::algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one::h709a515bd045228c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/pyramidal_number_knapsack_two_methods.rs:131:9
[INFO] [stdout]   22:     0x612ef62dba97 - rust_algorithms_data_structures::algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one::{{closure}}::he96910db5449a601
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/pyramidal_number_knapsack_two_methods.rs:129:46
[INFO] [stdout]   23:     0x612ef62d13e6 - core::ops::function::FnOnce::call_once::h086670ddbaaf8cae
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x612ef62fe00b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x612ef62fe00b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x612ef63119da - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x612ef63119da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x612ef63119da - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x612ef63119da - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x612ef63119da - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x612ef63119da - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x612ef63119da - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x612ef62ebe34 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x612ef62ebe34 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x612ef62ef6f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x612ef62ef6f2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x612ef62ef6f2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x612ef62ef6f2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x612ef62ef6f2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x612ef62ef6f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x612ef62ef6f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x612ef63305af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x612ef63305af - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7d34f9ea4aa4 - <unknown>
[INFO] [stdout]   45:     0x7d34f9f31a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers' (27) panicked at src/algorithms/pyramidal_number_knapsack_two_methods.rs:120:13:
[INFO] [stdout] assertion `left == right` failed: k = 169 expected 4, got 2
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 4
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x612ef635a7e2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x612ef635a7e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x612ef635a7e2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x612ef635a7e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x612ef636a9aa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x612ef636a9aa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x612ef6329766 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x612ef6329766 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x612ef6339cc9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x612ef6339cc9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x612ef6339b61 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x612ef62fe20e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x612ef62fe20e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x612ef6339f42 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x612ef6339f42 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x612ef6339d88 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x612ef6335319 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x612ef631e35d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x612ef63720bc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x612ef6371fd3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:434:23
[INFO] [stdout]   20:     0x612ef62d377b - core::panicking::assert_failed::h2add9bcb02324e1d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x612ef62db977 - rust_algorithms_data_structures::algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers::h5f50bb9779fb1ee0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/pyramidal_number_knapsack_two_methods.rs:120:13
[INFO] [stdout]   22:     0x612ef62db9a7 - rust_algorithms_data_structures::algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers::{{closure}}::h331b0c72aeb40876
[INFO] [stdout]                                at /opt/rustwide/workdir/src/algorithms/pyramidal_number_knapsack_two_methods.rs:114:30
[INFO] [stdout]   23:     0x612ef62d1476 - core::ops::function::FnOnce::call_once::h173cdde2f088163b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x612ef62fe00b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x612ef62fe00b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x612ef63119da - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x612ef63119da - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x612ef63119da - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x612ef63119da - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x612ef63119da - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x612ef63119da - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x612ef63119da - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x612ef62ebe34 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x612ef62ebe34 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x612ef62ef6f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x612ef62ef6f2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x612ef62ef6f2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x612ef62ef6f2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x612ef62ef6f2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x612ef62ef6f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x612ef62ef6f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x612ef63305af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x612ef63305af - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7d34f9ea4aa4 - <unknown>
[INFO] [stdout]   45:     0x7d34f9f31a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     algorithms::pyramidal_number_knapsack_two_methods::tests::should_check_numbers
[INFO] [stdout]     algorithms::pyramidal_number_knapsack_two_methods::tests::should_return_false_for_zero_and_one
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f2a8d3cf2efca5c60fbab6554ca3e4c87bbdbaf301055e78b521b1b7bd6e6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2a8d3cf2efca5c60fbab6554ca3e4c87bbdbaf301055e78b521b1b7bd6e6c8", kill_on_drop: false }`
[INFO] [stdout] 5f2a8d3cf2efca5c60fbab6554ca3e4c87bbdbaf301055e78b521b1b7bd6e6c8
