[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-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/link-a/learning-rust on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d855e1adf117cf8f3c396a3a63cad55bca1387b2ff6f14b76ffc133d655126
[INFO] running `Command { std: "docker" "start" "-a" "54d855e1adf117cf8f3c396a3a63cad55bca1387b2ff6f14b76ffc133d655126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d855e1adf117cf8f3c396a3a63cad55bca1387b2ff6f14b76ffc133d655126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d855e1adf117cf8f3c396a3a63cad55bca1387b2ff6f14b76ffc133d655126", kill_on_drop: false }`
[INFO] [stdout] 54d855e1adf117cf8f3c396a3a63cad55bca1387b2ff6f14b76ffc133d655126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 272e83eeb7c8632d5c9eae4d203340cb0a85a3bdc8257a850b69582b8d91c7cc
[INFO] running `Command { std: "docker" "start" "-a" "272e83eeb7c8632d5c9eae4d203340cb0a85a3bdc8257a850b69582b8d91c7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[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: 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/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: 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: 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: 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: 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: 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: 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: 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: 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 `dev` profile [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "272e83eeb7c8632d5c9eae4d203340cb0a85a3bdc8257a850b69582b8d91c7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272e83eeb7c8632d5c9eae4d203340cb0a85a3bdc8257a850b69582b8d91c7cc", kill_on_drop: false }`
[INFO] [stdout] 272e83eeb7c8632d5c9eae4d203340cb0a85a3bdc8257a850b69582b8d91c7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4282ff6cc384951a7d0bf423e333cdf33a0c80477e9715c85d8f49d841ae2031
[INFO] running `Command { std: "docker" "start" "-a" "4282ff6cc384951a7d0bf423e333cdf33a0c80477e9715c85d8f49d841ae2031", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctci v0.1.0 (/opt/rustwide/workdir)
[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: 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: 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: `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: 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: 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: 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.18s
[INFO] running `Command { std: "docker" "inspect" "4282ff6cc384951a7d0bf423e333cdf33a0c80477e9715c85d8f49d841ae2031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4282ff6cc384951a7d0bf423e333cdf33a0c80477e9715c85d8f49d841ae2031", kill_on_drop: false }`
[INFO] [stdout] 4282ff6cc384951a7d0bf423e333cdf33a0c80477e9715c85d8f49d841ae2031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a13c4416eb6d9e678b067fc35e31481c6681f0ec7499d39046ff74f60db458b
[INFO] running `Command { std: "docker" "start" "-a" "7a13c4416eb6d9e678b067fc35e31481c6681f0ec7499d39046ff74f60db458b", kill_on_drop: false }`
[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: 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: 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 "unsafe" test) generated 3 warnings
[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: `ctci` (bin "ownership" test) generated 3 warnings
[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" --tests` to apply 5 suggestions)
[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
[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 "linked_list" test) generated 2 warnings
[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: `ctci` (bin "comment_block" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/bin/add_two_binary_strings.rs (/opt/rustwide/target/debug/deps/add_two_binary_strings-0eae4e9ced5dfbca)
[INFO] [stdout] 
[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-b3925bb6932e35ce)
[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-f88c703a3244445e)
[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] [stderr]      Running unittests src/bin/binary_search.rs (/opt/rustwide/target/debug/deps/binary_search-1c208973d4f49919)
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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::multiple_element_found_at_last_index ... ok
[INFO] [stdout] test tests::leet_code_failed ... ok
[INFO] [stdout] test tests::multiple_element_found_at_mid_index ... ok
[INFO] [stdout] test tests::multiple_element_found_at_first_index ... ok
[INFO] [stdout] test tests::single_element_not_found ... ok
[INFO] [stdout] test tests::single_element_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] [stderr]      Running unittests src/bin/brackets.rs (/opt/rustwide/target/debug/deps/brackets-0395d5f2892b7fb2)
[INFO] [stdout] 
[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/debug/deps/ch1_1_1-913c0f872a6d3ad0)
[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_single_char_is_unique_via_set ... ok
[INFO] [stdout] test tests::test_that_single_char_is_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 ... ok
[INFO] [stdout] test tests::test_that_empty_string_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-d3c8a8857d0c1211)
[INFO] [stderr]      Running unittests src/bin/ch7_7_1.rs (/opt/rustwide/target/debug/deps/ch7_7_1-a83e0c8a6ae963ee)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/comment_block.rs (/opt/rustwide/target/debug/deps/comment_block-990cec85372f598c)
[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] [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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::simple_test ... ok
[INFO] [stdout] 
[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-a1bf5c43d389e204)
[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_bit_longer ... ok
[INFO] [stdout] test tests::simple_test ... 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-fdf5dc0cfb206476)
[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], 5: [4, 3], 0: [1, 2], 3: [1, 4, 5], 2: [1, 0], 1: [0, 2, 3]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::harder_test' (56) 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:     0x58f8f6ff1532 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58f8f6ff1532 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58f8f6ff1532 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58f8f6ff1532 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58f8f700165f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58f8f700165f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x58f8f6fbeaa1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58f8f6fbeaa1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58f8f6fcab02 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58f8f6fcf64f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x58f8f6fcf4e1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x58f8f6f900ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x58f8f6f900ae - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58f8f6fcfd0f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x58f8f6fcfd0f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x58f8f6fcfb6a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x58f8f6fcac39 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x58f8f6fb2f7d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x58f8f7009240 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58f8f7009043 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x58f8f6f688bb - core::panicking::assert_failed::hd442c66af0f2ea2f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x58f8f6f6776a - critical_connections::tests::run_test::h504dce0e5fcfb35d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:65:9
[INFO] [stdout]   22:     0x58f8f6f6726f - critical_connections::tests::harder_test::h6aa9f87ae1c9f993
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:77:9
[INFO] [stdout]   23:     0x58f8f6f672b7 - critical_connections::tests::harder_test::{{closure}}::hcbbf31527136915a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:75:25
[INFO] [stdout]   24:     0x58f8f6f6c7f6 - core::ops::function::FnOnce::call_once::h3e6f5f89527bf64a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x58f8f6f8fe6b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x58f8f6f8fe6b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x58f8f6fa5ad5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x58f8f6fa5ad5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x58f8f6fa5ad5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x58f8f6fa5ad5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x58f8f6fa5ad5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x58f8f6fa5ad5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x58f8f6fa5ad5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x58f8f6f7c2c4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x58f8f6f7c2c4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x58f8f6f7fb8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x58f8f6f7fb8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x58f8f6f7fb8a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x58f8f6f7fb8a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x58f8f6f7fb8a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x58f8f6f7fb8a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x58f8f6f7fb8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x58f8f6fc5d9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   44:     0x58f8f6fc5d9f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   45:     0x750664251aa4 - <unknown>
[INFO] [stdout]   46:     0x7506642dea34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::simple_test stdout ----
[INFO] [stdout] {1: [0, 2, 3], 3: [1], 0: [1, 2], 2: [1, 0]}
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::simple_test' (57) 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:     0x58f8f6ff1532 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58f8f6ff1532 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58f8f6ff1532 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58f8f6ff1532 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58f8f700165f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x58f8f700165f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x58f8f6fbeaa1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58f8f6fbeaa1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x58f8f6fcab02 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x58f8f6fcf64f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x58f8f6fcf4e1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x58f8f6f900ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x58f8f6f900ae - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x58f8f6fcfd0f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x58f8f6fcfd0f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x58f8f6fcfb6a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x58f8f6fcac39 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x58f8f6fb2f7d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x58f8f7009240 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x58f8f7009043 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x58f8f6f688bb - core::panicking::assert_failed::hd442c66af0f2ea2f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x58f8f6f6776a - critical_connections::tests::run_test::h504dce0e5fcfb35d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:65:9
[INFO] [stdout]   22:     0x58f8f6f674a6 - critical_connections::tests::simple_test::h4d03f02017e41028
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:71:9
[INFO] [stdout]   23:     0x58f8f6f674f7 - critical_connections::tests::simple_test::{{closure}}::hb3c03ea903dcd844
[INFO] [stdout]                                at /opt/rustwide/workdir/src/bin/critical_connections.rs:69:25
[INFO] [stdout]   24:     0x58f8f6f6c836 - core::ops::function::FnOnce::call_once::h4f72004e545f8237
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x58f8f6f8fe6b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x58f8f6f8fe6b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x58f8f6fa5ad5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x58f8f6fa5ad5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x58f8f6fa5ad5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x58f8f6fa5ad5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x58f8f6fa5ad5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x58f8f6fa5ad5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x58f8f6fa5ad5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x58f8f6f7c2c4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x58f8f6f7c2c4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x58f8f6f7fb8a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x58f8f6f7fb8a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x58f8f6f7fb8a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x58f8f6f7fb8a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x58f8f6f7fb8a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x58f8f6f7fb8a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x58f8f6f7fb8a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x58f8f6fc5d9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   44:     0x58f8f6fc5d9f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   45:     0x750664251aa4 - <unknown>
[INFO] [stdout]   46:     0x7506642dea34 - 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 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin critical_connections`
[INFO] running `Command { std: "docker" "inspect" "7a13c4416eb6d9e678b067fc35e31481c6681f0ec7499d39046ff74f60db458b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a13c4416eb6d9e678b067fc35e31481c6681f0ec7499d39046ff74f60db458b", kill_on_drop: false }`
[INFO] [stdout] 7a13c4416eb6d9e678b067fc35e31481c6681f0ec7499d39046ff74f60db458b
