[INFO] cloning repository https://github.com/luatnd/rust-dsa-boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luatnd/rust-dsa-boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluatnd%2Frust-dsa-boilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluatnd%2Frust-dsa-boilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54e927dd8557ad78be13d195c592ab587619cb3b
[INFO] testing luatnd/rust-dsa-boilerplate against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluatnd%2Frust-dsa-boilerplate" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luatnd/rust-dsa-boilerplate
[INFO] finished tweaking git repo https://github.com/luatnd/rust-dsa-boilerplate
[INFO] tweaked toml for git repo https://github.com/luatnd/rust-dsa-boilerplate written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luatnd/rust-dsa-boilerplate on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luatnd/rust-dsa-boilerplate 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b806742b015c5a356b93bd9caa9ede673e1e36054d7283a011ee05c90a45a5df
[INFO] running `Command { std: "docker" "start" "-a" "b806742b015c5a356b93bd9caa9ede673e1e36054d7283a011ee05c90a45a5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b806742b015c5a356b93bd9caa9ede673e1e36054d7283a011ee05c90a45a5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b806742b015c5a356b93bd9caa9ede673e1e36054d7283a011ee05c90a45a5df", kill_on_drop: false }`
[INFO] [stdout] b806742b015c5a356b93bd9caa9ede673e1e36054d7283a011ee05c90a45a5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20114d310bcdf19ad0fde96d26898d55c61c427a88fdf187bbd5376438ba6f20
[INFO] running `Command { std: "docker" "start" "-a" "20114d310bcdf19ad0fde96d26898d55c61c427a88fdf187bbd5376438ba6f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dsa-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l1`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     l1: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     l2: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse_linked_list` is never used
[INFO] [stdout]   --> src/util/linked_list.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn traverse_linked_list(head: &ListNode3Ref) {
[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/leetcode/l0001_two_sum.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Solution {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]   --> src/leetcode/l0001_two_sum.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |   pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Solution {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_two_numbers` and `add_two_numbers_naive` are never used
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 26 |   pub fn add_two_numbers(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   pub fn add_two_numbers_naive(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/other/this_is_template.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Solution {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sum` and `sum_naive` are never used
[INFO] [stdout]   --> src/other/this_is_template.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 10 |   pub fn sum(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn sum_naive(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "20114d310bcdf19ad0fde96d26898d55c61c427a88fdf187bbd5376438ba6f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20114d310bcdf19ad0fde96d26898d55c61c427a88fdf187bbd5376438ba6f20", kill_on_drop: false }`
[INFO] [stdout] 20114d310bcdf19ad0fde96d26898d55c61c427a88fdf187bbd5376438ba6f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 064a776a58669c81289052c9dca51176526f4d7ab160607326962274c1947f02
[INFO] running `Command { std: "docker" "start" "-a" "064a776a58669c81289052c9dca51176526f4d7ab160607326962274c1947f02", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsa-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l1`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     l1: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     l2: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse_linked_list` is never used
[INFO] [stdout]   --> src/util/linked_list.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn traverse_linked_list(head: &ListNode3Ref) {
[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/leetcode/l0001_two_sum.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Solution {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]   --> src/leetcode/l0001_two_sum.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |   pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Solution {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `add_two_numbers` and `add_two_numbers_naive` are never used
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 26 |   pub fn add_two_numbers(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   pub fn add_two_numbers_naive(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/other/this_is_template.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Solution {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `sum` and `sum_naive` are never used
[INFO] [stdout]   --> src/other/this_is_template.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 10 |   pub fn sum(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn sum_naive(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/other/playground.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use super::*;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l1`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     l1: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l2`
[INFO] [stdout]   --> src/leetcode/l0002_add_two_numbers.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     l2: Option<Box<ListNode>>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse_linked_list` is never used
[INFO] [stdout]   --> src/util/linked_list.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn traverse_linked_list(head: &ListNode3Ref) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "064a776a58669c81289052c9dca51176526f4d7ab160607326962274c1947f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064a776a58669c81289052c9dca51176526f4d7ab160607326962274c1947f02", kill_on_drop: false }`
[INFO] [stdout] 064a776a58669c81289052c9dca51176526f4d7ab160607326962274c1947f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2532bd3c66b3de9be8fc6a8bb680c14cc2475dff302d37c7e2ae696e16b0339d
[INFO] running `Command { std: "docker" "start" "-a" "2532bd3c66b3de9be8fc6a8bb680c14cc2475dff302d37c7e2ae696e16b0339d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `l1`
[INFO] [stderr]   --> src/leetcode/l0002_add_two_numbers.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     l1: Option<Box<ListNode>>,
[INFO] [stderr]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l2`
[INFO] [stderr]   --> src/leetcode/l0002_add_two_numbers.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     l2: Option<Box<ListNode>>,
[INFO] [stderr]    |     ^^ help: if this is intentional, prefix it with an underscore: `_l2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `traverse_linked_list` is never used
[INFO] [stderr]   --> src/util/linked_list.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn traverse_linked_list(head: &ListNode3Ref) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]   --> src/leetcode/l0001_two_sum.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Solution {}
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `two_sum` is never used
[INFO] [stderr]   --> src/leetcode/l0001_two_sum.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Solution {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 24 |   pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]   --> src/leetcode/l0002_add_two_numbers.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Solution {}
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `add_two_numbers` and `add_two_numbers_naive` are never used
[INFO] [stderr]   --> src/leetcode/l0002_add_two_numbers.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 26 |   pub fn add_two_numbers(
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |   pub fn add_two_numbers_naive(
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> src/other/this_is_template.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Solution {}
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `sum` and `sum_naive` are never used
[INFO] [stderr]   --> src/other/this_is_template.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 10 |   pub fn sum(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |   pub fn sum_naive(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dsa-rust` (lib) generated 9 warnings (run `cargo fix --lib -p dsa-rust` to apply 2 suggestions)
[INFO] [stderr] warning: feature `test` is declared but not used
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/other/playground.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 |   use super::*;
[INFO] [stderr]   |       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dsa-rust` (bin "dsa-rust" test) generated 1 warning
[INFO] [stderr] warning: `dsa-rust` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p dsa-rust --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dsa_rust-a05abb22c514091f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test leetcode::l0001_two_sum::tests::l0001_bench ... ok
[INFO] [stdout] test leetcode::l0001_two_sum::tests::l0001_manual ... ok
[INFO] [stdout] test leetcode::l0001_two_sum::tests::l0001_stress ... ok
[INFO] [stdout] test other::playground::tests::main ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_bench ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_manual ... ok
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_manual ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_stress ... ok
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_bench ... ok
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_stress ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- leetcode::l0002_add_two_numbers::tests::l0002_stress stdout ----
[INFO] [stdout] 
[INFO] [stdout] [l0002_stress] case: (Some(ListNode { val: 4, next: Some(ListNode { val: 2, next: Some(ListNode { val: 3, next: Some(ListNode { val: 6, next: Some(ListNode { val: 8, next: Some(ListNode { val: 9, next: Some(ListNode { val: 8, next: Some(ListNode { val: 3, next: Some(ListNode { val: 2, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 5, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 6, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 6, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 2, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }), Some(ListNode { val: 4, next: Some(ListNode { val: 9, next: Some(ListNode { val: 3, next: Some(ListNode { val: 8, next: Some(ListNode { val: 9, next: Some(ListNode { val: 8, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: None }) }) }) }) }) }) }) }))
[INFO] [stdout] 
[INFO] [stdout] thread 'leetcode::l0002_add_two_numbers::tests::l0002_stress' (22) panicked at src/util/testing.rs:103:5:
[INFO] [stdout] assertion `left == right` failed: Failed: actual=Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 7, next: Some(ListNode { val: 4, next: Some(ListNode { val: 8, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 1, next: Some(ListNode { val: 3, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 5, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 6, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 6, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 2, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) expect=None
[INFO] [stdout]   left: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 7, next: Some(ListNode { val: 4, next: Some(ListNode { val: 8, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 1, next: Some(ListNode { val: 3, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 5, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 6, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 2, next: Some(ListNode { val: 5, next: Some(ListNode { val: 6, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 2, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) })
[INFO] [stdout]  right: None
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x561338aa6b2a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x561338aa6b2a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x561338aa6b2a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x561338aa6b2a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x561338abb03a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x561338abb03a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x561338aab362 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x561338aab362 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x561338a85b2f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x561338a85b2f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x561338a9ef89 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x561338a03f7c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   12:     0x561338a03f7c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x561338a9f142 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x561338a9f142 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x561338a85be8 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x561338a7adf9 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x561338a868fd - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x561338abb78c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x561338abb6a3 - core[e929cb53b82a81ca]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:434:23
[INFO] [stdout]   20:     0x5613389ea35d - core[e929cb53b82a81ca]::panicking::assert_failed::<core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::boxed::Box<dsa_rust[f912ab37bbf500c0]::util::linked_list::ListNode>>, core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::boxed::Box<dsa_rust[f912ab37bbf500c0]::util::linked_list::ListNode>>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5613389f2b3f - dsa_rust[f912ab37bbf500c0]::util::testing::stress_test::<(core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::boxed::Box<dsa_rust[f912ab37bbf500c0]::util::linked_list::ListNode>>, core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::boxed::Box<dsa_rust[f912ab37bbf500c0]::util::linked_list::ListNode>>), core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::boxed::Box<dsa_rust[f912ab37bbf500c0]::util::linked_list::ListNode>>>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/testing.rs:103:5
[INFO] [stdout]   22:     0x5613389efb53 - dsa_rust[f912ab37bbf500c0]::leetcode::l0002_add_two_numbers::tests::l0002_stress
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:149:5
[INFO] [stdout]   23:     0x5613389eadd7 - dsa_rust[f912ab37bbf500c0]::leetcode::l0002_add_two_numbers::tests::l0002_stress::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:138:20
[INFO] [stdout]   24:     0x5613389f1016 - <dsa_rust[f912ab37bbf500c0]::leetcode::l0002_add_two_numbers::tests::l0002_stress::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5613389f725b - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5613389f725b - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   27:     0x561338a04a4b - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   28:     0x561338a04a4b - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   29:     0x561338a04a4b - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x561338a04a4b - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x561338a04a4b - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x561338a04a4b - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   33:     0x561338a04a4b - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   34:     0x5613389fe164 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   35:     0x5613389fe164 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x561338a07652 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   37:     0x561338a07652 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   38:     0x561338a07652 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x561338a07652 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x561338a07652 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x561338a07652 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   42:     0x561338a07652 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x561338aa643f - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   44:     0x561338aa643f - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   45:     0x7fc572508aa4 - <unknown>
[INFO] [stdout]   46:     0x7fc572595a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     leetcode::l0002_add_two_numbers::tests::l0002_stress
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2532bd3c66b3de9be8fc6a8bb680c14cc2475dff302d37c7e2ae696e16b0339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2532bd3c66b3de9be8fc6a8bb680c14cc2475dff302d37c7e2ae696e16b0339d", kill_on_drop: false }`
[INFO] [stdout] 2532bd3c66b3de9be8fc6a8bb680c14cc2475dff302d37c7e2ae696e16b0339d
