[INFO] cloning repository https://github.com/link-a/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/link-a/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cfe739935d47058eacef6536a5a34cefc528368
[INFO] testing link-a/learning-rust against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/link-a/learning-rust
[INFO] finished tweaking git repo https://github.com/link-a/learning-rust
[INFO] tweaked toml for git repo https://github.com/link-a/learning-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/link-a/learning-rust on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/link-a/learning-rust 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5
[INFO] running `Command { std: "docker" "start" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bloom v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ctci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NaiveSolution` is never constructed
[INFO] [stdout]  --> src/bin/max_distance_in_arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct NaiveSolution {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_distance` is never used
[INFO] [stdout]  --> src/bin/max_distance_in_arrays.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl NaiveSolution {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 4 |
[INFO] [stdout] 5 |     pub fn max_distance(arrays: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastestSolution` is never constructed
[INFO] [stdout]   --> src/bin/max_distance_in_arrays.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct FastestSolution {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_distance` is never used
[INFO] [stdout]   --> src/bin/max_distance_in_arrays.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl FastestSolution {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |     pub fn max_distance(arrays: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/critical_connections.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let max_length_so_far = std::i32::MIN;
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/critical_connections.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut max_length: (i32, i32) = (0, std::i32::MIN);
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/validate_binary_tree.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/validate_binary_tree.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stdout]    |                                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/min_depth_binary_tree.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Solution {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_depth` is never used
[INFO] [stdout]   --> src/bin/min_depth_binary_tree.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 27 |     pub fn min_depth(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_height` and `min_width_pad` are never read
[INFO] [stdout]  --> src/bin/comment_block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CommentBlock {
[INFO] [stdout]   |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     min_height: i16,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     min_width_pad: i16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CommentBlock` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/bin/ref_playground.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bin/unsafe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_1`
[INFO] [stdout]  --> src/bin/unsafe.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let cell_1 = Cell {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val` and `next` are never read
[INFO] [stdout]  --> src/bin/unsafe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cell {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     val: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     next: Option<Box<Cell>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/linked_list.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  9 |     val: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     next: NodePtr<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     prev: NodePtr<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tail` is never read
[INFO] [stdout]   --> src/bin/linked_list.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct DoublyLinkedList<T> where T: Default + Debug + Copy {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 37 |     head: NodePtr<T>,
[INFO] [stdout] 38 |     tail: NodePtr<T>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DoublyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]  --> src/bin/ownership.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {
[INFO] [stdout]   |        --- field in this struct
[INFO] [stdout] 3 |     val: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/ownership.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub struct Node {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 17 |         val: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 18 |         next: Option<Box<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 19 |         prev: Option<Box<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/ownership.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub struct Node<'a> {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 42 |         val: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 43 |         next: Option<&'a Box<Node<'a>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |         prev: Option<&'a Box<Node<'a>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/max_subarray.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut max_seen_so_far: i32 = std::i32::MIN;
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:73
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:88
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:75
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:90
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/min_path_sum.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let value_above = if row == 0 { std::i32::MAX } else { grid[row-1][col] };
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/min_path_sum.rs:14:58
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 let value_left = if col == 0 { std::i32::MAX } else { grid[row][col-1] };
[INFO] [stdout]    |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/smallest_window_to_sort.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut max_seen = std::i32::MIN;
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/smallest_window_to_sort.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut min_seen = std::i32::MAX;
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DPSolution` is never constructed
[INFO] [stdout]  --> src/bin/house_robber_ii.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct DPSolution {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `rob_simple` and `rob` are never used
[INFO] [stdout]   --> src/bin/house_robber_ii.rs:5:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | impl DPSolution {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout]  5 |     fn rob_simple(nums: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn rob(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/bin/ref_cells.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/ref_cells.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bin/ref_cells.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/ref_cells.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]    --> src/bin/ref_cells.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     use std::mem;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val` and `next` are never read
[INFO] [stdout]   --> src/bin/ref_cells.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 15 |         val: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 16 |         next: Option<Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:73
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:88
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:75
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:90
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stdout]    |                                                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/bin/ref_cells.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/ref_cells.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bin/ref_cells.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/ref_cells.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]    --> src/bin/ref_cells.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     use std::mem;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/smallest_window_to_sort.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut max_seen = std::i32::MIN;
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/smallest_window_to_sort.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut min_seen = std::i32::MAX;
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/bin/ref_cells.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 15 |         val: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/critical_connections.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let max_length_so_far = std::i32::MIN;
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/critical_connections.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut max_length: (i32, i32) = (0, std::i32::MIN);
[INFO] [stdout]    |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/bin/ref_playground.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let l = &(r.left);
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/validate_binary_tree.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/validate_binary_tree.rs:37:62
[INFO] [stdout]    |
[INFO] [stdout] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stdout]    |                                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_height` and `min_width_pad` are never read
[INFO] [stdout]  --> src/bin/comment_block.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CommentBlock {
[INFO] [stdout]   |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     min_height: i16,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     min_width_pad: i16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CommentBlock` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/bin/unsafe.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     unsafe {
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell_1`
[INFO] [stdout]  --> src/bin/unsafe.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let cell_1 = Cell {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val` and `next` are never read
[INFO] [stdout]  --> src/bin/unsafe.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Cell {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     val: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     next: Option<Box<Cell>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/linked_list.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  9 |     val: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     next: NodePtr<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     prev: NodePtr<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tail` is never read
[INFO] [stdout]   --> src/bin/linked_list.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct DoublyLinkedList<T> where T: Default + Debug + Copy {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 37 |     head: NodePtr<T>,
[INFO] [stdout] 38 |     tail: NodePtr<T>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DoublyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stdout]   --> src/bin/max_subarray.rs:25:46
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut max_seen_so_far: i32 = std::i32::MIN;
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/min_path_sum.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 |                 let value_above = if row == 0 { std::i32::MAX } else { grid[row-1][col] };
[INFO] [stdout]    |                                                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/bin/min_path_sum.rs:14:58
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 let value_left = if col == 0 { std::i32::MAX } else { grid[row][col-1] };
[INFO] [stdout]    |                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]  --> src/bin/ownership.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {
[INFO] [stdout]   |        --- field in this struct
[INFO] [stdout] 3 |     val: i32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/ownership.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub struct Node {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 17 |         val: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 18 |         next: Option<Box<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 19 |         prev: Option<Box<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/bin/ownership.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub struct Node<'a> {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 42 |         val: u64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 43 |         next: Option<&'a Box<Node<'a>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 44 |         prev: Option<&'a Box<Node<'a>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:73
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stderr]    |                                                                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:51:88
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 _ => Solution::from_pre_order(&mut pre_order, std::i32::MIN, std::i32::MAX)
[INFO] [stderr]    |                                                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:75
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stderr]    |                                                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/construct_binary_search_tree_from_preorder_traversal.rs:82:90
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 _ => Solution::from_post_order(&mut post_order, std::i32::MIN, std::i32::MAX)
[INFO] [stderr]    |                                                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/smallest_window_to_sort.rs:71:34
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut max_seen = std::i32::MIN;
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/smallest_window_to_sort.rs:79:34
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut min_seen = std::i32::MAX;
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/bin/ref_cells.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/bin/ref_cells.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/bin/ref_cells.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/bin/ref_cells.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]    --> src/bin/ref_cells.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     use std::mem;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `val` is never read
[INFO] [stderr]   --> src/bin/ref_cells.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     struct Node {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 15 |         val: i32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ctci` (bin "construct_binary_search_tree_from_preorder_traversal" test) generated 4 warnings
[INFO] [stderr] warning: `ctci` (bin "smallest_window_to_sort" test) generated 2 warnings
[INFO] [stderr] warning: `ctci` (bin "ref_cells" test) generated 6 warnings (run `cargo fix --bin "ref_cells" -p ctci --tests` to apply 5 suggestions)
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/critical_connections.rs:15:43
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let max_length_so_far = std::i32::MIN;
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/critical_connections.rs:39:56
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut max_length: (i32, i32) = (0, std::i32::MIN);
[INFO] [stderr]    |                                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ctci` (bin "critical_connections" test) generated 2 warnings
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/bin/ref_playground.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let l = &(r.left);
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i64::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/validate_binary_tree.rs:37:47
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i64::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/validate_binary_tree.rs:37:62
[INFO] [stderr]    |
[INFO] [stderr] 37 |         return Solution::dfs(&root, std::i64::MIN, std::i64::MAX);
[INFO] [stderr]    |                                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `min_height` and `min_width_pad` are never read
[INFO] [stderr]  --> src/bin/comment_block.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct CommentBlock {
[INFO] [stderr]   |        ------------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     min_height: i16,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 8 |     min_width_pad: i16,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `CommentBlock` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/bin/unsafe.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell_1`
[INFO] [stdout] 
[INFO] [stderr]  --> src/bin/unsafe.rs:7:9
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stdout] test simple_tests::simple_test ... ok
[INFO] [stderr] 7 |     let cell_1 = Cell {
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1`
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] warning: fields `val` and `next` are never read
[INFO] [stdout] test tests::vec_test ... ok
[INFO] [stderr]  --> src/bin/unsafe.rs:2:5
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | struct Cell {
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 2 |     val: i32,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^
[INFO] [stdout] running 4 tests
[INFO] [stderr] 3 |     next: Option<Box<Cell>>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stderr]   --> src/bin/linked_list.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | struct Node<T> {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr]  9 |     val: T,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     next: NodePtr<T>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 11 |     prev: NodePtr<T>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `tail` is never read
[INFO] [stderr]   --> src/bin/linked_list.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct DoublyLinkedList<T> where T: Default + Debug + Copy {
[INFO] [stderr]    |        ---------------- field in this struct
[INFO] [stderr] 37 |     head: NodePtr<T>,
[INFO] [stderr] 38 |     tail: NodePtr<T>
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DoublyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `ctci` (bin "ref_playground" test) generated 1 warning (run `cargo fix --bin "ref_playground" -p ctci --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `ctci` (bin "validate_binary_tree" test) generated 2 warnings
[INFO] [stderr] warning: `ctci` (bin "comment_block" test) generated 1 warning
[INFO] [stderr] warning: `ctci` (bin "unsafe" test) generated 3 warnings (run `cargo fix --bin "unsafe" -p ctci --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `ctci` (bin "linked_list" test) generated 2 warnings
[INFO] [stderr] warning: use of deprecated constant `std::i32::MIN`: replaced by the `MIN` associated constant on this type
[INFO] [stderr]   --> src/bin/max_subarray.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut max_seen_so_far: i32 = std::i32::MIN;
[INFO] [stderr]    |                                              ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `val` is never read
[INFO] [stderr]  --> src/bin/ownership.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Foo {
[INFO] [stderr]   |        --- field in this struct
[INFO] [stderr] 3 |     val: i32,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stderr]   --> src/bin/ownership.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub struct Node {
[INFO] [stderr]    |                ---- fields in this struct
[INFO] [stderr] 17 |         val: u64,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 18 |         next: Option<Box<Node>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 19 |         prev: Option<Box<Node>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `val`, `next`, and `prev` are never read
[INFO] [stderr]   --> src/bin/ownership.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub struct Node<'a> {
[INFO] [stderr]    |                ---- fields in this struct
[INFO] [stderr] 42 |         val: u64,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 43 |         next: Option<&'a Box<Node<'a>>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 44 |         prev: Option<&'a Box<Node<'a>>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/min_path_sum.rs:13:59
[INFO] [stderr]    |
[INFO] [stderr] 13 |                 let value_above = if row == 0 { std::i32::MAX } else { grid[row-1][col] };
[INFO] [stderr]    |                                                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::i32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/bin/min_path_sum.rs:14:58
[INFO] [stderr]    |
[INFO] [stderr] 14 |                 let value_left = if col == 0 { std::i32::MAX } else { grid[row][col-1] };
[INFO] [stderr]    |                                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ctci` (bin "max_subarray" test) generated 1 warning
[INFO] [stderr] warning: `ctci` (bin "ownership" test) generated 3 warnings
[INFO] [stderr] warning: `ctci` (bin "min_path_sum" test) generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/bin/add_two_binary_strings.rs (/opt/rustwide/target/release/deps/add_two_binary_strings-af6946738d05b8eb)
[INFO] [stderr]      Running unittests src/bin/anagram_groups.rs (/opt/rustwide/target/release/deps/anagram_groups-1762430959612890)
[INFO] [stderr]      Running unittests src/bin/array_triples.rs (/opt/rustwide/target/release/deps/array_triples-1944ed80095d29e0)
[INFO] [stdout] test tests::another_simple ... ok
[INFO] [stdout] test tests::bit_test ... ok
[INFO] [stdout] test tests::simplest_test ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/binary_search.rs (/opt/rustwide/target/release/deps/binary_search-811d1d208e7e15f9)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::leet_code_failed ... ok
[INFO] [stdout] test tests::multiple_element_found_at_first_index ... ok
[INFO] [stdout] test tests::multiple_element_found_at_mid_index ... ok
[INFO] [stdout] test tests::multiple_element_found_at_last_index ... ok
[INFO] [stdout] test tests::empty_test ... ok
[INFO] [stdout] test tests::as_vec ... ok
[INFO] [stdout] test tests::single_element_found ... ok
[INFO] [stdout] test tests::single_element_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/brackets.rs (/opt/rustwide/target/release/deps/brackets-6243eed4962b707e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::complex_incorrect ... ok
[INFO] [stdout] test tests::complex_test ... ok
[INFO] [stdout] test tests::simple_incorrect ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch1_1_1.rs (/opt/rustwide/target/release/deps/ch1_1_1-8e31ec8e5f0eca80)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_that_duplicate_char_is_not_unique ... ok
[INFO] [stdout] test tests::test_that_duplicate_char_is_unique_via_set ... ok
[INFO] [stdout] test tests::test_that_empty_string_is_unique_via_set ... ok
[INFO] [stdout] test tests::test_that_single_char_is_unique ... ok
[INFO] [stdout] test tests::test_that_single_char_is_unique_via_set ... ok
[INFO] [stdout] test tests::test_that_empty_string_is_unique ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch1_1_2.rs (/opt/rustwide/target/release/deps/ch1_1_2-a94d9ef788912333)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch7_7_1.rs (/opt/rustwide/target/release/deps/ch7_7_1-7d93b52cee8aaa47)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/comment_block.rs (/opt/rustwide/target/release/deps/comment_block-a513003217cf85af)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::simple_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/construct_binary_search_tree_from_preorder_traversal.rs (/opt/rustwide/target/release/deps/construct_binary_search_tree_from_preorder_traversal-7e684f2a0d41f75a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::simple_test_bit_longer ... ok
[INFO] [stdout] test tests::simple_test_short ... ok
[INFO] [stdout] test tests::simple_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/critical_connections.rs (/opt/rustwide/target/release/deps/critical_connections-5c257da3c650b0b0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::harder_test ... FAILED
[INFO] [stdout] test tests::simple_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::harder_test stdout ----
[INFO] [stdout] {4: [3, 5], 2: [1, 0], 1: [0, 2, 3], 0: [1, 2], 3: [1, 4, 5], 5: [4, 3]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::harder_test' (3117) panicked at src/bin/critical_connections.rs:65:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: []
[INFO] [stdout]  right: [[3, 1]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564684cfe0b1 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x564684d1255a - core[7c831bd917ebf35f]::fmt::write
[INFO] [stdout]    2:     0x564684d0254c - <alloc[2fdc3f7464fcf288]::vec::Vec<u8> as core[7c831bd917ebf35f]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x564684cda696 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x564684cf67c9 - std[104cf6e2632825ea]::panicking::default_hook
[INFO] [stdout]    5:     0x564684c92c80 - test[73009c9f9aebf890]::test_main_inner::<test[73009c9f9aebf890]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x564684cf6982 - std[104cf6e2632825ea]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x564684cda742 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x564684cd30e9 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x564684cdb33d - __rustc[b0d56fa5b193ad05]::rust_begin_unwind
[INFO] [stdout]   10:     0x564684d12c8c - core[7c831bd917ebf35f]::panicking::panic_fmt
[INFO] [stdout]   11:     0x564684d12ba3 - core[7c831bd917ebf35f]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x564684c847fe - core[7c831bd917ebf35f]::panicking::assert_failed::<alloc[2fdc3f7464fcf288]::vec::Vec<alloc[2fdc3f7464fcf288]::vec::Vec<i32>>, alloc[2fdc3f7464fcf288]::vec::Vec<alloc[2fdc3f7464fcf288]::vec::Vec<i32>>>
[INFO] [stdout]   13:     0x564684c84b46 - critical_connections[6ccaf7e2802b976f]::tests::run_test
[INFO] [stdout]   14:     0x564684c84c8c - critical_connections[6ccaf7e2802b976f]::tests::harder_test
[INFO] [stdout]   15:     0x564684c85ed9 - <critical_connections[6ccaf7e2802b976f]::tests::harder_test::{closure#0} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   16:     0x564684c85f6b - test[73009c9f9aebf890]::__rust_begin_short_backtrace::<core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>, fn() -> core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>>
[INFO] [stdout]   17:     0x564684c935d5 - test[73009c9f9aebf890]::run_test::{closure#0}
[INFO] [stdout]   18:     0x564684c8c994 - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace::<test[73009c9f9aebf890]::run_test::{closure#1}, ()>
[INFO] [stdout]   19:     0x564684c96732 - <std[104cf6e2632825ea]::thread::lifecycle::spawn_unchecked<test[73009c9f9aebf890]::run_test::{closure#1}, ()>::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   20:     0x564684cfd989 - <std[104cf6e2632825ea]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   21:     0x77b80d6b407a - <unknown>
[INFO] [stdout]   22:     0x77b80d747534 - clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::simple_test stdout ----
[INFO] [stdout] {2: [1, 0], 1: [0, 2, 3], 0: [1, 2], 3: [1]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::simple_test' (3118) panicked at src/bin/critical_connections.rs:65:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: []
[INFO] [stdout]  right: [[3, 1]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564684cfe0b1 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x564684d1255a - core[7c831bd917ebf35f]::fmt::write
[INFO] [stdout]    2:     0x564684d0254c - <alloc[2fdc3f7464fcf288]::vec::Vec<u8> as core[7c831bd917ebf35f]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x564684cda696 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x564684cf67c9 - std[104cf6e2632825ea]::panicking::default_hook
[INFO] [stdout]    5:     0x564684c92c80 - test[73009c9f9aebf890]::test_main_inner::<test[73009c9f9aebf890]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x564684cf6982 - std[104cf6e2632825ea]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x564684cda742 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x564684cd30e9 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x564684cdb33d - __rustc[b0d56fa5b193ad05]::rust_begin_unwind
[INFO] [stdout]   10:     0x564684d12c8c - core[7c831bd917ebf35f]::panicking::panic_fmt
[INFO] [stdout]   11:     0x564684d12ba3 - core[7c831bd917ebf35f]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x564684c847fe - core[7c831bd917ebf35f]::panicking::assert_failed::<alloc[2fdc3f7464fcf288]::vec::Vec<alloc[2fdc3f7464fcf288]::vec::Vec<i32>>, alloc[2fdc3f7464fcf288]::vec::Vec<alloc[2fdc3f7464fcf288]::vec::Vec<i32>>>
[INFO] [stdout]   13:     0x564684c84b46 - critical_connections[6ccaf7e2802b976f]::tests::run_test
[INFO] [stdout]   14:     0x564684c84d83 - critical_connections[6ccaf7e2802b976f]::tests::simple_test
[INFO] [stdout]   15:     0x564684c85ef9 - <critical_connections[6ccaf7e2802b976f]::tests::simple_test::{closure#0} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   16:     0x564684c85f6b - test[73009c9f9aebf890]::__rust_begin_short_backtrace::<core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>, fn() -> core[7c831bd917ebf35f]::result::Result<(), alloc[2fdc3f7464fcf288]::string::String>>
[INFO] [stdout]   17:     0x564684c935d5 - test[73009c9f9aebf890]::run_test::{closure#0}
[INFO] [stdout]   18:     0x564684c8c994 - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace::<test[73009c9f9aebf890]::run_test::{closure#1}, ()>
[INFO] [stdout]   19:     0x564684c96732 - <std[104cf6e2632825ea]::thread::lifecycle::spawn_unchecked<test[73009c9f9aebf890]::run_test::{closure#1}, ()>::{closure#1} as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   20:     0x564684cfd989 - <std[104cf6e2632825ea]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   21:     0x77b80d6b407a - <unknown>
[INFO] [stdout]   22:     0x77b80d747534 - clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::harder_test
[INFO] [stdout]     tests::simple_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin critical_connections`
[INFO] running `Command { std: "docker" "inspect" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5", kill_on_drop: false }`
[INFO] [stdout] b6ba241c8d0cf63d1e74123cfca1767eec4aaec08689134a7c787f3aa31478d5
