[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 nightly-2025-01-18 for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluatnd%2Frust-dsa-boilerplate" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luatnd/rust-dsa-boilerplate on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22b3ba3df8f85b68a78a4a507bee41d147a2a93b3a66e19286bf531750a61788
[INFO] running `Command { std: "docker" "start" "-a" "22b3ba3df8f85b68a78a4a507bee41d147a2a93b3a66e19286bf531750a61788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b3ba3df8f85b68a78a4a507bee41d147a2a93b3a66e19286bf531750a61788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b3ba3df8f85b68a78a4a507bee41d147a2a93b3a66e19286bf531750a61788", kill_on_drop: false }`
[INFO] [stdout] 22b3ba3df8f85b68a78a4a507bee41d147a2a93b3a66e19286bf531750a61788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd5c015174a251e1d5045353b6ec7682a570d11d150fc8e5e15124c67eb7d45
[INFO] running `Command { std: "docker" "start" "-a" "cdd5c015174a251e1d5045353b6ec7682a570d11d150fc8e5e15124c67eb7d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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)]` 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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "cdd5c015174a251e1d5045353b6ec7682a570d11d150fc8e5e15124c67eb7d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd5c015174a251e1d5045353b6ec7682a570d11d150fc8e5e15124c67eb7d45", kill_on_drop: false }`
[INFO] [stdout] cdd5c015174a251e1d5045353b6ec7682a570d11d150fc8e5e15124c67eb7d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906732f7ba1a5f0787e28f9dd4a81bdfab55f9c8e37508400eeb6183514b9151
[INFO] running `Command { std: "docker" "start" "-a" "906732f7ba1a5f0787e28f9dd4a81bdfab55f9c8e37508400eeb6183514b9151", kill_on_drop: false }`
[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)]` 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)]` 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] [stderr]    Compiling dsa-rust v0.0.1 (/opt/rustwide/workdir)
[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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "906732f7ba1a5f0787e28f9dd4a81bdfab55f9c8e37508400eeb6183514b9151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906732f7ba1a5f0787e28f9dd4a81bdfab55f9c8e37508400eeb6183514b9151", kill_on_drop: false }`
[INFO] [stdout] 906732f7ba1a5f0787e28f9dd4a81bdfab55f9c8e37508400eeb6183514b9151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 851af0c7c99a3c87ee582bc28b2d3d114fd07cd5604c51cca01e2149aef45b77
[INFO] running `Command { std: "docker" "start" "-a" "851af0c7c99a3c87ee582bc28b2d3d114fd07cd5604c51cca01e2149aef45b77", 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)]` 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)]` 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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dsa-rust` (lib) generated 9 warnings
[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-52b003cebde3273e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[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 leetcode::l0002_add_two_numbers::tests::l0002_manual ... ok
[INFO] [stdout] test other::playground::tests::main ... ok
[INFO] [stdout] test leetcode::l0001_two_sum::tests::l0001_bench ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_bench ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_stress ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_manual ... ok
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_stress ... FAILED
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_bench ... ok
[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: 9, next: Some(ListNode { val: 4, next: Some(ListNode { val: 0, next: Some(ListNode { val: 9, next: Some(ListNode { val: 3, next: Some(ListNode { val: 9, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 4, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 8, next: Some(ListNode { val: 6, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 7, next: Some(ListNode { val: 8, next: Some(ListNode { val: 8, next: Some(ListNode { val: 4, next: Some(ListNode { val: 4, next: Some(ListNode { val: 6, next: Some(ListNode { val: 8, next: Some(ListNode { val: 8, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }), Some(ListNode { val: 3, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 8, next: Some(ListNode { val: 1, next: Some(ListNode { val: 4, next: Some(ListNode { val: 9, next: Some(ListNode { val: 8, next: Some(ListNode { val: 0, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 8, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 6, next: Some(ListNode { val: 6, next: Some(ListNode { val: 2, next: Some(ListNode { val: 4, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 7, next: Some(ListNode { val: 5, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }))
[INFO] [stdout] 
[INFO] [stdout] thread 'leetcode::l0002_add_two_numbers::tests::l0002_stress' panicked at src/util/testing.rs:103:5:
[INFO] [stdout] assertion `left == right` failed: Failed: actual=Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 5, next: Some(ListNode { val: 9, next: Some(ListNode { val: 4, next: Some(ListNode { val: 9, next: Some(ListNode { val: 1, next: Some(ListNode { val: 2, next: Some(ListNode { val: 1, next: Some(ListNode { val: 4, next: Some(ListNode { val: 3, next: Some(ListNode { val: 6, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 1, next: Some(ListNode { val: 9, next: Some(ListNode { val: 4, next: Some(ListNode { val: 7, next: Some(ListNode { val: 3, next: Some(ListNode { val: 3, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 5, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) expect=None
[INFO] [stdout]   left: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 5, next: Some(ListNode { val: 9, next: Some(ListNode { val: 4, next: Some(ListNode { val: 9, next: Some(ListNode { val: 1, next: Some(ListNode { val: 2, next: Some(ListNode { val: 1, next: Some(ListNode { val: 4, next: Some(ListNode { val: 3, next: Some(ListNode { val: 6, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 1, next: Some(ListNode { val: 9, next: Some(ListNode { val: 4, next: Some(ListNode { val: 7, next: Some(ListNode { val: 3, next: Some(ListNode { val: 3, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 5, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) })
[INFO] [stdout]  right: None
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59354c2bceda - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x59354c2bceda - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x59354c2bceda - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59354c2bceda - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59354c2e4b63 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x59354c2e4b63 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x59354c2b9a33 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x59354c2bcd22 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x59354c2be2ff - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x59354c2be118 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x59354c24e753 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x59354c24e753 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x59354c2bedf3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x59354c2bedf3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x59354c2beaaa - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x59354c2bd3d9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x59354c2be73d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x59354c2e3540 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x59354c2e3932 - core::panicking::assert_failed_inner::h538bec7c1374cd9c
[INFO] [stdout]   19:     0x59354c20e448 - core::panicking::assert_failed::hdd59b7617e98d80c
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:364:5
[INFO] [stdout]   20:     0x59354c209c32 - dsa_rust::util::testing::stress_test::h7da32a0f7a203f3c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/testing.rs:103:5
[INFO] [stdout]   21:     0x59354c210b73 - dsa_rust::leetcode::l0002_add_two_numbers::tests::l0002_stress::h7729dabd3bd7b352
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:149:5
[INFO] [stdout]   22:     0x59354c210b27 - dsa_rust::leetcode::l0002_add_two_numbers::tests::l0002_stress::{{closure}}::h8e1283d061f4be65
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:138:20
[INFO] [stdout]   23:     0x59354c20ca86 - core::ops::function::FnOnce::call_once::h2f8bf7ce85c1a203
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x59354c253eab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x59354c253eab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   26:     0x59354c252de3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   27:     0x59354c252de3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x59354c252de3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   29:     0x59354c252de3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   30:     0x59354c252de3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x59354c252de3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   32:     0x59354c252de3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   33:     0x59354c215ec5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   34:     0x59354c215ec5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x59354c2197aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x59354c2197aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x59354c2197aa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   38:     0x59354c2197aa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   39:     0x59354c2197aa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x59354c2197aa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x59354c2197aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x59354c2c2d2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x59354c2c2d2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   44:     0x59354c2c2d2b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   45:     0x7cffb98fdac3 - <unknown>
[INFO] [stdout]   46:     0x7cffb998ea04 - 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 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "851af0c7c99a3c87ee582bc28b2d3d114fd07cd5604c51cca01e2149aef45b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851af0c7c99a3c87ee582bc28b2d3d114fd07cd5604c51cca01e2149aef45b77", kill_on_drop: false }`
[INFO] [stdout] 851af0c7c99a3c87ee582bc28b2d3d114fd07cd5604c51cca01e2149aef45b77
