[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 beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/link-a/learning-rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74af9718a851bf5238603595aa28ed6b292cf1b96e24189743abf41fbf10d345
[INFO] running `Command { std: "docker" "start" "-a" "74af9718a851bf5238603595aa28ed6b292cf1b96e24189743abf41fbf10d345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74af9718a851bf5238603595aa28ed6b292cf1b96e24189743abf41fbf10d345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74af9718a851bf5238603595aa28ed6b292cf1b96e24189743abf41fbf10d345", kill_on_drop: false }`
[INFO] [stdout] 74af9718a851bf5238603595aa28ed6b292cf1b96e24189743abf41fbf10d345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4767a24a06b019a852c6ddc68699814bf1c92a2eeb10fd6ae67d2b568de5833f
[INFO] running `Command { std: "docker" "start" "-a" "4767a24a06b019a852c6ddc68699814bf1c92a2eeb10fd6ae67d2b568de5833f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling bloom v0.3.2
[INFO] [stderr]    Compiling ctci v0.1.0 (/opt/rustwide/workdir)
[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 `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::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] [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: 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "4767a24a06b019a852c6ddc68699814bf1c92a2eeb10fd6ae67d2b568de5833f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4767a24a06b019a852c6ddc68699814bf1c92a2eeb10fd6ae67d2b568de5833f", kill_on_drop: false }`
[INFO] [stdout] 4767a24a06b019a852c6ddc68699814bf1c92a2eeb10fd6ae67d2b568de5833f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dbe3c0d28d321a8a95c9e49dd87a5a628c219b64a409de0066f3dd0fc8771bf
[INFO] running `Command { std: "docker" "start" "-a" "8dbe3c0d28d321a8a95c9e49dd87a5a628c219b64a409de0066f3dd0fc8771bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctci v0.1.0 (/opt/rustwide/workdir)
[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: 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/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: 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::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: 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: 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "8dbe3c0d28d321a8a95c9e49dd87a5a628c219b64a409de0066f3dd0fc8771bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbe3c0d28d321a8a95c9e49dd87a5a628c219b64a409de0066f3dd0fc8771bf", kill_on_drop: false }`
[INFO] [stdout] 8dbe3c0d28d321a8a95c9e49dd87a5a628c219b64a409de0066f3dd0fc8771bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 342aab6052f2ed833d69ed9b65996aeafd1031ceab11e7b3a6d1a5f7ac545ba1
[INFO] running `Command { std: "docker" "start" "-a" "342aab6052f2ed833d69ed9b65996aeafd1031ceab11e7b3a6d1a5f7ac545ba1", kill_on_drop: false }`
[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 "ref_cells" test) generated 6 warnings (run `cargo fix --bin "ref_cells" -p ctci --tests` to apply 5 suggestions)
[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: 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: 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: 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] [stderr]  --> src/bin/unsafe.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let cell_1 = Cell {
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `val` and `next` are never read
[INFO] [stderr]  --> src/bin/unsafe.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Cell {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 2 |     val: i32,
[INFO] [stderr]   |     ^^^
[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: `ctci` (bin "comment_block" test) generated 1 warning
[INFO] [stderr] warning: `ctci` (bin "ownership" test) generated 3 warnings
[INFO] [stderr] warning: `ctci` (bin "linked_list" test) generated 2 warnings
[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: 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: `ctci` (bin "ref_playground" test) generated 1 warning (run `cargo fix --bin "ref_playground" -p ctci --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/add_two_binary_strings.rs (/opt/rustwide/target/debug/deps/add_two_binary_strings-cebe03ad4bba2b98)
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple_tests::simple_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/anagram_groups.rs (/opt/rustwide/target/debug/deps/anagram_groups-ffa10e4806c8d463)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::vec_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/array_triples.rs (/opt/rustwide/target/debug/deps/array_triples-4d6619e3e9e42163)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::another_simple ... ok
[INFO] [stdout] test tests::simple ... ok
[INFO] [stdout] test tests::simplest_test ... ok
[INFO] [stdout] test tests::bit_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]      Running unittests src/bin/binary_search.rs (/opt/rustwide/target/debug/deps/binary_search-6a000aa3aab16da4)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::as_vec ... ok
[INFO] [stdout] test tests::empty_test ... ok
[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::single_element_found ... ok
[INFO] [stdout] test tests::single_element_not_found ... ok
[INFO] [stdout] test tests::multiple_element_found_at_last_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/brackets.rs (/opt/rustwide/target/debug/deps/brackets-ab4259923785101a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::simple_incorrect ... ok
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::complex_test ... ok
[INFO] [stdout] test tests::complex_incorrect ... 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/debug/deps/ch1_1_1-6ba26508d785ebf2)
[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_empty_string_is_unique ... ok
[INFO] [stdout] test tests::test_that_empty_string_is_unique_via_set ... ok
[INFO] [stdout] test tests::test_that_duplicate_char_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] 
[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/debug/deps/ch1_1_2-a7eaf0034fe989e7)
[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/debug/deps/ch7_7_1-a6b10bd74f286df4)
[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/debug/deps/comment_block-5929173a52b97006)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/construct_binary_search_tree_from_preorder_traversal.rs (/opt/rustwide/target/debug/deps/construct_binary_search_tree_from_preorder_traversal-a158d3dcc6ae102d)
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::simple_test ... ok
[INFO] [stdout] test tests::simple_test_bit_longer ... ok
[INFO] [stdout] test tests::simple_test_short ... 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/debug/deps/critical_connections-7b6f4127bad3452f)
[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] [stderr] error: test failed, to rerun pass `--bin critical_connections`
[INFO] [stdout] ---- tests::harder_test stdout ----
[INFO] [stdout] {0: [1, 2], 1: [0, 2, 3], 2: [1, 0], 3: [1, 4, 5], 4: [3, 5], 5: [4, 3]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::harder_test' (65) 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:     0x61878dee9252 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61878dee9252 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61878dee9252 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61878dee9252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61878def92aa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61878def92aa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x61878deb81d6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61878deb81d6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61878dec8739 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61878dec8739 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61878dec85d1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61878de8cc7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61878de8cc7e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61878dec89b2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61878dec89b2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61878dec87f8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x61878dec3d89 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61878deacdcd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61878df008ec - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61878df007a3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x61878de6d47d - core::panicking::assert_failed::haf1a05a633818e54
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x61878de6aec8 - critical_connections::tests::run_test::hf1f6143d44063bc9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:65:9
[INFO] [stdout]   22:     0x61878de6a9df - critical_connections::tests::harder_test::h8154bfe63efd7bdc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:77:9
[INFO] [stdout]   23:     0x61878de6aa27 - critical_connections::tests::harder_test::{{closure}}::h90df4453c3a4a959
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:75:25
[INFO] [stdout]   24:     0x61878de6c4c6 - core::ops::function::FnOnce::call_once::hd20e7c6b4af1c5ed
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61878de8ca7b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x61878de8ca7b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x61878dea044a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x61878dea044a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x61878dea044a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x61878dea044a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x61878dea044a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x61878dea044a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x61878dea044a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x61878de7a8a4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x61878de7a8a4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x61878de7e162 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x61878de7e162 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x61878de7e162 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x61878de7e162 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x61878de7e162 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x61878de7e162 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x61878de7e162 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x61878debf01f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x61878debf01f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x71d8e75b0aa4 - <unknown>
[INFO] [stdout]   46:     0x71d8e763da64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::simple_test stdout ----
[INFO] [stdout] {0: [1, 2], 3: [1], 1: [0, 2, 3], 2: [1, 0]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::simple_test' (66) 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:     0x61878dee9252 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61878dee9252 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61878dee9252 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61878dee9252 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61878def92aa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61878def92aa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x61878deb81d6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61878deb81d6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61878dec8739 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61878dec8739 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61878dec85d1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61878de8cc7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61878de8cc7e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61878dec89b2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61878dec89b2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61878dec87f8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x61878dec3d89 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61878deacdcd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61878df008ec - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61878df007a3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x61878de6d47d - core::panicking::assert_failed::haf1a05a633818e54
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x61878de6aec8 - critical_connections::tests::run_test::hf1f6143d44063bc9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:65:9
[INFO] [stdout]   22:     0x61878de6ac16 - critical_connections::tests::simple_test::h9a1aae6592537c98
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:71:9
[INFO] [stdout]   23:     0x61878de6ac67 - critical_connections::tests::simple_test::{{closure}}::hab746f4510c70604
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:69:25
[INFO] [stdout]   24:     0x61878de6c416 - core::ops::function::FnOnce::call_once::hba3ee630b758a373
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61878de8ca7b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x61878de8ca7b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x61878dea044a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x61878dea044a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x61878dea044a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x61878dea044a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x61878dea044a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x61878dea044a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x61878dea044a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x61878de7a8a4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x61878de7a8a4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x61878de7e162 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x61878de7e162 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x61878de7e162 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x61878de7e162 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x61878de7e162 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x61878de7e162 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x61878de7e162 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x61878debf01f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x61878debf01f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x71d8e75b0aa4 - <unknown>
[INFO] [stdout]   46:     0x71d8e763da64 - clone
[INFO] [stdout]   47:                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 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "342aab6052f2ed833d69ed9b65996aeafd1031ceab11e7b3a6d1a5f7ac545ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342aab6052f2ed833d69ed9b65996aeafd1031ceab11e7b3a6d1a5f7ac545ba1", kill_on_drop: false }`
[INFO] [stdout] 342aab6052f2ed833d69ed9b65996aeafd1031ceab11e7b3a6d1a5f7ac545ba1
