[INFO] cloning repository https://github.com/tolumide-ng/coding-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tolumide-ng/coding-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f086f2c577d12dfbcf99f99bba55dae91f64d928
[INFO] testing tolumide-ng/coding-challenge against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tolumide-ng/coding-challenge on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tolumide-ng/coding-challenge
[INFO] finished tweaking git repo https://github.com/tolumide-ng/coding-challenge
[INFO] tweaked toml for git repo https://github.com/tolumide-ng/coding-challenge written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tolumide-ng/coding-challenge 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c30aa7caadf8ec3c4609fa6ff618ce7fda4bd1a57a128152e9be3041f5783b
[INFO] running `Command { std: "docker" "start" "-a" "66c30aa7caadf8ec3c4609fa6ff618ce7fda4bd1a57a128152e9be3041f5783b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c30aa7caadf8ec3c4609fa6ff618ce7fda4bd1a57a128152e9be3041f5783b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c30aa7caadf8ec3c4609fa6ff618ce7fda4bd1a57a128152e9be3041f5783b", kill_on_drop: false }`
[INFO] [stdout] 66c30aa7caadf8ec3c4609fa6ff618ce7fda4bd1a57a128152e9be3041f5783b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58da1ce54548c22fccba22513ef841c7740e8c65c121581d8c5a03f5b55d0ae5
[INFO] running `Command { std: "docker" "start" "-a" "58da1ce54548c22fccba22513ef841c7740e8c65c121581d8c5a03f5b55d0ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structures v0.1.0 (/opt/rustwide/workdir/data_structures)
[INFO] [stderr]    Compiling dynamic_pg v0.1.0 (/opt/rustwide/workdir/dynamic_pg)
[INFO] [stdout] warning: fields `memo`, `aggregator`, and `target` are never read
[INFO] [stdout]   --> dynamic_pg/src/dynamic_programming/all_construct.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct AllConstructs {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 14 |         dic: Vec<&'static str>,
[INFO] [stdout] 15 |         memo: HashMap<String, &'static str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         aggregator: ReturnType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |         target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AllConstructs` 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: unused variable: `pn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         (Some(pn), None) => false,
[INFO] [stdout]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (None, Some(qn)) => false,
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `realistic_size` is never read
[INFO] [stdout]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     realistic_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct Traversal {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Traversal` 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 `deadlocks`, `target`, and `expected` are never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/open_the_lock.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Handler {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 95 |     deadlocks: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 96 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 97 |     expected: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parenthesis` is never constructed
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Parenthesis {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_parenthesis` is never used
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub fn generate_parenthesis(n: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `backtrack` is never used
[INFO] [stdout]   --> data_structures/src/recursion/generate_parenthesis.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn backtrack(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache` and `n` are never read
[INFO] [stdout]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct UniqueBst {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stdout] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     n: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling others v0.1.0 (/opt/rustwide/workdir/others)
[INFO] [stdout] warning: function `histogram_brute_force` is never used
[INFO] [stdout]  --> others/src/the_algos/largest_rectangle_histogram.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub fn histogram_brute_force(heights: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> others/src/the_algos/largest_rectangle_histogram.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn calculate_area(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram_stack_approach` is never used
[INFO] [stdout]   --> others/src/the_algos/largest_rectangle_histogram.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn histogram_stack_approach(heights: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         (Some(pn), None) => false,
[INFO] [stdout]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (None, Some(qn)) => false,
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `realistic_size` is never read
[INFO] [stdout]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     realistic_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct Traversal {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Traversal` 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 `deadlocks`, `target`, and `expected` are never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/open_the_lock.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Handler {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 95 |     deadlocks: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 96 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 97 |     expected: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parenthesis` is never constructed
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Parenthesis {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_parenthesis` is never used
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub fn generate_parenthesis(n: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `backtrack` is never used
[INFO] [stdout]   --> data_structures/src/recursion/generate_parenthesis.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn backtrack(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache` and `n` are never read
[INFO] [stdout]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct UniqueBst {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stdout] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     n: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "58da1ce54548c22fccba22513ef841c7740e8c65c121581d8c5a03f5b55d0ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58da1ce54548c22fccba22513ef841c7740e8c65c121581d8c5a03f5b55d0ae5", kill_on_drop: false }`
[INFO] [stdout] 58da1ce54548c22fccba22513ef841c7740e8c65c121581d8c5a03f5b55d0ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a8732254110b46d23bc6c31660a4df50e9d4ece8a6508f000a8f567072010d
[INFO] running `Command { std: "docker" "start" "-a" "31a8732254110b46d23bc6c31660a4df50e9d4ece8a6508f000a8f567072010d", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `pn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         (Some(pn), None) => false,
[INFO] [stdout]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (None, Some(qn)) => false,
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `realistic_size` is never read
[INFO] [stdout]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     realistic_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct Traversal {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Traversal` 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 `deadlocks`, `target`, and `expected` are never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/open_the_lock.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Handler {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 95 |     deadlocks: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 96 |     target: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 97 |     expected: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parenthesis` is never constructed
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Parenthesis {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate_parenthesis` is never used
[INFO] [stdout]  --> data_structures/src/recursion/generate_parenthesis.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub fn generate_parenthesis(n: i32) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `backtrack` is never used
[INFO] [stdout]   --> data_structures/src/recursion/generate_parenthesis.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn backtrack(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cache` and `n` are never read
[INFO] [stdout]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct UniqueBst {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stdout] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     n: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling data_structures v0.1.0 (/opt/rustwide/workdir/data_structures)
[INFO] [stderr]    Compiling others v0.1.0 (/opt/rustwide/workdir/others)
[INFO] [stderr]    Compiling dynamic_pg v0.1.0 (/opt/rustwide/workdir/dynamic_pg)
[INFO] [stdout] warning: fields `memo`, `aggregator`, and `target` are never read
[INFO] [stdout]   --> dynamic_pg/src/dynamic_programming/all_construct.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct AllConstructs {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 14 |         dic: Vec<&'static str>,
[INFO] [stdout] 15 |         memo: HashMap<String, &'static str>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 16 |         aggregator: ReturnType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 17 |         target: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AllConstructs` 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: unused variable: `pn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         (Some(pn), None) => false,
[INFO] [stdout]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (None, Some(qn)) => false,
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |         (Some(pn), None) => false,
[INFO] [stdout]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qn`
[INFO] [stdout]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (None, Some(qn)) => false,
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `realistic_size` is never read
[INFO] [stdout]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     realistic_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct Traversal {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Traversal` 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 `cache` and `n` are never read
[INFO] [stdout]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct UniqueBst {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stdout] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     n: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `realistic_size` is never read
[INFO] [stdout]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct BinaryHeap<T> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     realistic_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub struct Traversal {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Traversal` 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 `cache` and `n` are never read
[INFO] [stdout]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct UniqueBst {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stdout] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     n: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "31a8732254110b46d23bc6c31660a4df50e9d4ece8a6508f000a8f567072010d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a8732254110b46d23bc6c31660a4df50e9d4ece8a6508f000a8f567072010d", kill_on_drop: false }`
[INFO] [stdout] 31a8732254110b46d23bc6c31660a4df50e9d4ece8a6508f000a8f567072010d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03db86c5796826cbe5e95348c5dbcbf1d7618e225a869cf771f0dd398c772cdc
[INFO] running `Command { std: "docker" "start" "-a" "03db86c5796826cbe5e95348c5dbcbf1d7618e225a869cf771f0dd398c772cdc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pn`
[INFO] [stderr]    --> data_structures/src/recursion/same_tree.rs:108:15
[INFO] [stderr]     |
[INFO] [stderr] 108 |         (Some(pn), None) => false,
[INFO] [stderr]     |               ^^ help: if this is intentional, prefix it with an underscore: `_pn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qn`
[INFO] [stderr]    --> data_structures/src/recursion/same_tree.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |         (None, Some(qn)) => false,
[INFO] [stderr]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_qn`
[INFO] [stderr] 
[INFO] [stderr] warning: field `realistic_size` is never read
[INFO] [stderr]   --> data_structures/src/binary_tree/priority_queue.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct BinaryHeap<T> {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 34 |     realistic_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BinaryHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `stack` is never read
[INFO] [stderr]   --> data_structures/src/queues_stacks/inorder_traversal.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub struct Traversal {
[INFO] [stderr]    |                --------- field in this struct
[INFO] [stderr] 18 |         stack: Vec<Option<Rc<RefCell<TreeNode>>>>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Traversal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `deadlocks`, `target`, and `expected` are never read
[INFO] [stderr]   --> data_structures/src/queues_stacks/open_the_lock.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct Handler {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 95 |     deadlocks: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 96 |     target: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 97 |     expected: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Handler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Parenthesis` is never constructed
[INFO] [stderr]  --> data_structures/src/recursion/generate_parenthesis.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Parenthesis {}
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `generate_parenthesis` is never used
[INFO] [stderr]  --> data_structures/src/recursion/generate_parenthesis.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     pub fn generate_parenthesis(n: i32) -> Vec<String> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `backtrack` is never used
[INFO] [stderr]   --> data_structures/src/recursion/generate_parenthesis.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn backtrack(
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `cache` and `n` are never read
[INFO] [stderr]   --> data_structures/src/recursion/unique_binary_tree.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct UniqueBst {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] 26 |     // since constraint already state that n is 1 <= n <= 8, we can caceh a 2,3 tree as either 23 or 32
[INFO] [stderr] 27 |     cache: HashMap<String, TreeVec>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 28 |     n: i32,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UniqueBst` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `data_structures` (lib) generated 9 warnings (run `cargo fix --lib -p data_structures` to apply 2 suggestions)
[INFO] [stderr] warning: `data_structures` (bin "data_structures" test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: fields `memo`, `aggregator`, and `target` are never read
[INFO] [stderr]   --> dynamic_pg/src/dynamic_programming/all_construct.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct AllConstructs {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 14 |         dic: Vec<&'static str>,
[INFO] [stderr] 15 |         memo: HashMap<String, &'static str>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 16 |         aggregator: ReturnType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 17 |         target: String,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AllConstructs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dynamic_pg` (bin "dynamic_pg" test) generated 1 warning
[INFO] [stderr] warning: `data_structures` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/data_structures-fded42a1364e0dbc)
[INFO] [stdout] 
[INFO] [stdout] running 109 tests
[INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::double_element_recursive_inorder_test ... ok
[INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::recursive_inorder_test ... ok
[INFO] [stdout] test binary_tree::in_order_traversal::test_inorder_traversal::one_element_recursive_inorder_test ... ok
[INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::double_elem_breath_first_test ... ok
[INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::single_elem_beadth_first_test ... ok
[INFO] [stdout] test binary_tree::level_order_traversal::breadth_first_search::test_breadth_first_search ... ok
[INFO] [stdout] test binary_tree::lowest_common_ancestor::test_lca::gets_none_if_unavailable ... ok
[INFO] [stdout] test binary_tree::pre_order_traversal::test_preorder_traversal::iterative_preorder_test ... ok
[INFO] [stdout] test binary_tree::post_order_traversal::test_post_order_traversal::test_post_order_traversal ... ok
[INFO] [stdout] test binary_tree::pre_order_traversal::test_preorder_traversal::recursive_preorder_test ... ok
[INFO] [stdout] test binary_tree::priority_queue::test_min_priority::min_priority_insertion ... ok
[INFO] [stdout] test binary_tree::priority_queue::test_min_priority::min_priority_order ... ok
[INFO] [stdout] test binary_tree::priority_queue::test_min_priority::order_after_removal ... ok
[INFO] [stdout] test binary_tree::priority_queue::test_min_priority::test_change_priority ... ok
[INFO] [stdout] test binary_tree::serialize_deserialize::serialize_deserialize_tests::test_deserialize ... ok
[INFO] [stdout] test linked_lists::dnode::dtests::test_new_dnode_integer ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_append_to_end ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::insert_elemenet ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_delete_nth_element ... ok
[INFO] [stdout] test binary_tree::serialize_deserialize::serialize_deserialize_tests::test_serialize ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_new_empty_dlist ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_get_nth_element ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_end_single_elem ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_fifth ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_head_multi_elem ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_first ... ok
[INFO] [stdout] test linked_lists::dnode::dtests::test_new_dnode_string ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_fourth ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_second ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_seventh ... ok
[INFO] [stdout] test linked_lists::doubly_linked_list::test_doubly_linked_list::test_pop_head_one_elem ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_sixth ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_eight ... ok
[INFO] [stdout] test linked_lists::linked_palindrome::linked_palindrom_tests::is_palindrome_third ... ok
[INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_append_list ... ok
[INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_new_empty_list ... ok
[INFO] [stdout] test linked_lists::linked_rcs::test_linked_rcs_mod::test_new_list ... ok
[INFO] [stdout] test linked_lists::node::tests::test_new_node ... ok
[INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_nth_elem_empty ... ok
[INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_not_enough_nth_elem ... ok
[INFO] [stdout] test linked_lists::nth_from_last::test_nth_pointer::get_nth_elem_from_end ... ok
[INFO] [stdout] test linked_lists::odd_even_linked_lists::odd_even_linked_lists ... ok
[INFO] [stdout] test linked_lists::reversed_linked_lists::premo_wayne ... ok
[INFO] [stdout] test linked_lists::single_ll::test_singly_ll_mod::singly_ll ... ok
[INFO] [stdout] test queues_stacks::circular_queue::test_queue::test_enqeue_rear ... ok
[INFO] [stdout] test queues_stacks::circular_queue::test_queue::test_queue_edge_case ... ok
[INFO] [stdout] test queues_stacks::daily_temperatures::test_daily_temps_cont::test_daily_temps ... ok
[INFO] [stdout] test linked_lists::remove_linked_elements::remove_linked_elem ... ok
[INFO] [stdout] test queues_stacks::flood_fill::test_flood_fill_cont::test_flood_fill ... ok
[INFO] [stdout] test queues_stacks::decode_string::test_decode_string_cont::test_decode_string ... ok
[INFO] [stdout] test queues_stacks::moving_data_stream::test_circular_queue::test_cq ... ok
[INFO] [stdout] test queues_stacks::min_stack::test_min_stack_cont::test_min_stack ... ok
[INFO] [stdout] test queues_stacks::number_of_islands_bfs::test_islands_number_bfs_cont::test_island_number_bfs ... ok
[INFO] [stdout] test queues_stacks::matrix_01::test_matrix_01_cont::test_matrix_01 ... ok
[INFO] [stdout] test queues_stacks::reverse_polish_notation::test_rpn_cont::test_rpn ... ok
[INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_dynamic_target_sum ... ok
[INFO] [stdout] test queues_stacks::number_of_islands_dfs::test_islands_number::test_island_number ... ok
[INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_target_sum ... ok
[INFO] [stdout] test queues_stacks::target_sum::test_target_sum_cont::test_memoized_target_sum ... ok
[INFO] [stdout] test queues_stacks::keys_and_rooms::can_visit_all_rooms_cont::test_keys_and_rooms ... ok
[INFO] [stdout] test queues_stacks::perfect_squares::test_perfect_squares_cont::test_perfect_squares ... ok
[INFO] [stdout] test queues_stacks::walls_and_gates_dfs::test_walls_dfs::test_walls_and_gates_dfs ... ok
[INFO] [stdout] test recursion::binary_tree_depth::test_max_depth_mod::test_max_depth_bfs ... ok
[INFO] [stdout] test recursion::binary_tree_depth::test_max_depth_mod::test_max_depth_recursion ... ok
[INFO] [stdout] test queues_stacks::valid_parentheses::test_valid_parentheses_cont::test_valid_parentheses ... ok
[INFO] [stdout] test queues_stacks::walls_and_gates::test_walls::test_walls_and_gates ... ok
[INFO] [stdout] test recursion::create_bst::test_create_bst_mod::test_creates_bst ... ok
[INFO] [stdout] test recursion::climbing_stairs::test_climb_stairs_mod::test_climb_stairs ... ok
[INFO] [stdout] test recursion::combination::test_combination_mod::test_combination ... ok
[INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_fib_fast ... ok
[INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_fib_memo ... ok
[INFO] [stdout] test queues_stacks::stack_with_queues::test::test_stack_with_queue ... ok
[INFO] [stdout] test recursion::generate_parenthesis::test_generate_parenthesis_mod::test_generate_parenthesis ... ok
[INFO] [stdout] test recursion::kth_largest_element::test_find_kth_largest_mod::test_find_kth_largest ... ok
[INFO] [stdout] test recursion::kth_symbol_in_grammar::test_kth_grammar_mod::test_kth_grammar ... ok
[INFO] [stdout] test recursion::largest_histogram::test_largest_histogram_mod::test_largest_histogram ... ok
[INFO] [stdout] test recursion::merge_sort::test_merge_sort_mod::test_top_down_approach ... ok
[INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_merge_lists ... ok
[INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_merge_two_lists_approach_2 ... ok
[INFO] [stdout] test recursion::letter_combinations::test_letter_comb_mod::test_letter_comb ... ok
[INFO] [stdout] test recursion::merge_two_sorted_lists::merge_two_sorted_list_mod::test_short_list ... ok
[INFO] [stdout] test recursion::n_queens::test_n_queens_mod::n_queens_test ... ok
[INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row ... ok
[INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_inexistent ... ok
[INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_one ... ok
[INFO] [stdout] test recursion::pascals_triangle::test_get_row_mod::test_get_row_zero ... ok
[INFO] [stdout] test recursion::permutations::test_permute_mod::test_emoty_permute ... ok
[INFO] [stdout] test recursion::permutations::test_permute_mod::test_permute ... ok
[INFO] [stdout] test recursion::pow_x_n::test_pow_x_n_mod::test_pow_x_n ... ok
[INFO] [stdout] test recursion::quick_sort::test_quick_sort ... ok
[INFO] [stdout] test recursion::reverse_linked_list::test_reverse_list_cont::test_reverse_list ... ok
[INFO] [stdout] test recursion::reverse_string::test_reverse_string_cont::test_reverse_string ... ok
[INFO] [stdout] test recursion::search_2d_matrix::test_search_matrix_mod::test_search_empty_matrix ... ok
[INFO] [stdout] test recursion::search_2d_matrix::test_search_matrix_mod::test_search_matrix ... ok
[INFO] [stdout] test recursion::search_bst::test_search_bst_cont::test_search_bst ... ok
[INFO] [stdout] test recursion::sort_an_array::test_sort_array_mod::test_sort_array ... ok
[INFO] [stdout] test recursion::swap_node_pairs::test_swap_pairs_cont::test_function_can_make_linked_list ... ok
[INFO] [stdout] test recursion::swap_node_pairs::test_swap_pairs_cont::test_swap_pairs ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_invalid_bst ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_minimum_possible_node ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_valid_bst ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_multi_child ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_validate_possible_bst ... ok
[INFO] [stdout] test recursion::validate_bst::test_validate_bst_mod::test_single_node ... ok
[INFO] [stdout] test recursion::fibonacci::test_fibonacci_mod::test_tail_optimised_fibonacci ... ok
[INFO] [stdout] test recursion::unique_binary_tree::test_unique_bsts_mod::test_unique_bsts ... ok
[INFO] [stdout] test recursion::skyline_problem::test_skyline_mod::test_skyline ... FAILED
[INFO] [stdout] test recursion::sudoku_player::test_sudoku_mod::test_sudoku ... ok
[INFO] [stdout] test queues_stacks::open_the_lock::test_open_lock::test_the_open_lock ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- recursion::skyline_problem::test_skyline_mod::test_skyline stdout ----
[INFO] [stdout] the buildings [
[INFO] [stdout]     [
[INFO] [stdout]         1,
[INFO] [stdout]         1,
[INFO] [stdout]     ],
[INFO] [stdout]     [
[INFO] [stdout]         1,
[INFO] [stdout]         2,
[INFO] [stdout]     ],
[INFO] [stdout]     [
[INFO] [stdout]         1,
[INFO] [stdout]         3,
[INFO] [stdout]     ],
[INFO] [stdout]     [
[INFO] [stdout]         2,
[INFO] [stdout]         0,
[INFO] [stdout]     ],
[INFO] [stdout] ]
[INFO] [stdout] thread 'recursion::skyline_problem::test_skyline_mod::test_skyline' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `3`,
[INFO] [stdout]  right: `4`', data_structures/src/recursion/skyline_problem.rs:141:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556259b0a85a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556259b0a85a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556259b0a85a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x556259b0a85a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556259b2f06e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x556259b07cd5 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x556259b0a625 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x556259b0a625 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x556259b0c3ef - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x556259b0c0af - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x556259adedc7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x556259adedc7 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x556259b0cb1d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x556259b0cb1d - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x556259b0c899 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   15:     0x556259b0acc6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x556259b0c5a2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x5562599fbc03 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x5562599fbedf - core::panicking::assert_failed_inner::haf9816227b20b6f2
[INFO] [stdout]   19:     0x556259a970ca - core::panicking::assert_failed::h5733aaaa2c5c44f8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:211:5
[INFO] [stdout]   20:     0x556259a4a9b2 - data_structures::recursion::skyline_problem::test_skyline_mod::test_skyline::h6571174bf7ba7ffa
[INFO] [stdout]                                at /opt/rustwide/workdir/data_structures/src/recursion/skyline_problem.rs:141:10
[INFO] [stdout]   21:     0x556259a4a5a7 - data_structures::recursion::skyline_problem::test_skyline_mod::test_skyline::{{closure}}::h9fe68740b18f74ac
[INFO] [stdout]                                at /opt/rustwide/workdir/data_structures/src/recursion/skyline_problem.rs:99:23
[INFO] [stdout]   22:     0x556259a7b285 - core::ops::function::FnOnce::call_once::ha9617555491f11cd
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x556259ae41af - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x556259ae41af - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x556259ab57cc - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x556259ab57cc - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x556259ae3176 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x556259ae3176 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x556259ae3176 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x556259ae3176 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x556259ae3176 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x556259ae3176 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x556259ae3176 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x556259aafe41 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x556259aafe41 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x556259ab585b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x556259ab585b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x556259ab585b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x556259ab585b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x556259ab585b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x556259ab585b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x556259ab585b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x556259b10e83 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x556259b10e83 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x556259b10e83 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f50a2b98b43 - <unknown>
[INFO] [stdout]   47:     0x7f50a2c29bb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     recursion::skyline_problem::test_skyline_mod::test_skyline
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 108 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p data_structures --lib`
[INFO] running `Command { std: "docker" "inspect" "03db86c5796826cbe5e95348c5dbcbf1d7618e225a869cf771f0dd398c772cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03db86c5796826cbe5e95348c5dbcbf1d7618e225a869cf771f0dd398c772cdc", kill_on_drop: false }`
[INFO] [stdout] 03db86c5796826cbe5e95348c5dbcbf1d7618e225a869cf771f0dd398c772cdc
