[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#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluatnd%2Frust-dsa-boilerplate" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luatnd/rust-dsa-boilerplate on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec454610825767e183f6b75887ad9f03efd6fb755ce630552a4d96260ddbd1b1
[INFO] running `Command { std: "docker" "start" "-a" "ec454610825767e183f6b75887ad9f03efd6fb755ce630552a4d96260ddbd1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec454610825767e183f6b75887ad9f03efd6fb755ce630552a4d96260ddbd1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec454610825767e183f6b75887ad9f03efd6fb755ce630552a4d96260ddbd1b1", kill_on_drop: false }`
[INFO] [stdout] ec454610825767e183f6b75887ad9f03efd6fb755ce630552a4d96260ddbd1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec626e34ebb8f6b311c22d7feae6812626c3c0ba3aac7b17302bfebebef932f2
[INFO] running `Command { std: "docker" "start" "-a" "ec626e34ebb8f6b311c22d7feae6812626c3c0ba3aac7b17302bfebebef932f2", 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)]` 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 4.27s
[INFO] running `Command { std: "docker" "inspect" "ec626e34ebb8f6b311c22d7feae6812626c3c0ba3aac7b17302bfebebef932f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec626e34ebb8f6b311c22d7feae6812626c3c0ba3aac7b17302bfebebef932f2", kill_on_drop: false }`
[INFO] [stdout] ec626e34ebb8f6b311c22d7feae6812626c3c0ba3aac7b17302bfebebef932f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79ed7477a877cd91322ed2565f094250baadd40d88db1ea8349460b7ddd0855f
[INFO] running `Command { std: "docker" "start" "-a" "79ed7477a877cd91322ed2565f094250baadd40d88db1ea8349460b7ddd0855f", 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] [stderr]    Compiling dsa-rust v0.0.1 (/opt/rustwide/workdir)
[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)]` 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 1.49s
[INFO] running `Command { std: "docker" "inspect" "79ed7477a877cd91322ed2565f094250baadd40d88db1ea8349460b7ddd0855f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ed7477a877cd91322ed2565f094250baadd40d88db1ea8349460b7ddd0855f", kill_on_drop: false }`
[INFO] [stdout] 79ed7477a877cd91322ed2565f094250baadd40d88db1ea8349460b7ddd0855f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5b94094a89b6fc87c0d68f657447b9e11ff90d8fa6e4a169aa92f5def495b3e
[INFO] running `Command { std: "docker" "start" "-a" "f5b94094a89b6fc87c0d68f657447b9e11ff90d8fa6e4a169aa92f5def495b3e", 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: `dsa-rust` (lib) generated 9 warnings
[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 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dsa_rust-04f6d3bea6ba024b)
[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_stress ... ok
[INFO] [stdout] test other::playground::tests::main ... ok
[INFO] [stdout] test other::this_is_template::tests::id00xx_bench ... ok
[INFO] [stdout] test leetcode::l0002_add_two_numbers::tests::l0002_manual ... ok
[INFO] [stdout] test leetcode::l0001_two_sum::tests::l0001_manual ... 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_bench ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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: 2, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 8, next: Some(ListNode { val: 2, next: Some(ListNode { val: 3, next: Some(ListNode { val: 8, next: Some(ListNode { val: 9, next: Some(ListNode { val: 5, next: Some(ListNode { val: 3, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 8, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 9, next: Some(ListNode { val: 2, next: Some(ListNode { val: 1, next: Some(ListNode { val: 9, next: Some(ListNode { val: 9, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }), Some(ListNode { val: 9, next: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 6, next: Some(ListNode { val: 9, next: Some(ListNode { val: 7, next: Some(ListNode { val: 7, next: Some(ListNode { val: 4, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 2, next: Some(ListNode { val: 7, next: Some(ListNode { val: 2, next: Some(ListNode { val: 2, next: Some(ListNode { val: 1, next: Some(ListNode { val: 9, next: Some(ListNode { val: 2, next: Some(ListNode { val: 4, next: Some(ListNode { val: 5, next: Some(ListNode { val: 3, next: Some(ListNode { val: 4, next: Some(ListNode { val: 0, next: Some(ListNode { val: 5, next: Some(ListNode { val: 5, next: Some(ListNode { val: 7, next: Some(ListNode { val: 2, next: Some(ListNode { val: 4, 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: 1, next: Some(ListNode { val: 7, next: Some(ListNode { val: 9, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 3, next: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 8, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 2, next: Some(ListNode { val: 6, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 4, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) expect=None
[INFO] [stdout]   left: Some(ListNode { val: 1, next: Some(ListNode { val: 7, next: Some(ListNode { val: 9, next: Some(ListNode { val: 1, next: Some(ListNode { val: 0, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 3, next: Some(ListNode { val: 2, next: Some(ListNode { val: 8, next: Some(ListNode { val: 7, next: Some(ListNode { val: 0, next: Some(ListNode { val: 7, next: Some(ListNode { val: 8, next: Some(ListNode { val: 5, next: Some(ListNode { val: 4, next: Some(ListNode { val: 4, next: Some(ListNode { val: 1, next: Some(ListNode { val: 2, next: Some(ListNode { val: 6, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 2, next: Some(ListNode { val: 3, next: Some(ListNode { val: 5, next: Some(ListNode { val: 0, next: Some(ListNode { val: 4, next: Some(ListNode { val: 3, next: Some(ListNode { val: 0, next: Some(ListNode { val: 1, next: None }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) }) })
[INFO] [stdout]  right: None
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e0b5797f12 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55e0b5797f12 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55e0b5797f12 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55e0b5797f12 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55e0b57bd633 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55e0b57bd633 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x55e0b5794ea3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55e0b5794ea3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55e0b5797d62 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55e0b579947c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x55e0b57992d2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x55e0b575dc84 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x55e0b575dc84 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55e0b5799e5b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x55e0b5799e5b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x55e0b5799c2a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x55e0b5798409 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x55e0b57998bd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x55e0b57bc1b0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x55e0b57bc4a7 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:443:23
[INFO] [stdout]   20:     0x55e0b5720302 - core::panicking::assert_failed::h19a69033497b5a9f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x55e0b5722e9f - dsa_rust::util::testing::stress_test::h22d921b11466b69c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/util/testing.rs:103:5
[INFO] [stdout]   22:     0x55e0b572025f - dsa_rust::leetcode::l0002_add_two_numbers::tests::l0002_stress::h258e54b581fd80e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:149:5
[INFO] [stdout]   23:     0x55e0b572025f - dsa_rust::leetcode::l0002_add_two_numbers::tests::l0002_stress::{{closure}}::h894269ab80989771
[INFO] [stdout]                                at /opt/rustwide/workdir/src/leetcode/l0002_add_two_numbers.rs:138:20
[INFO] [stdout]   24:     0x55e0b572025f - core::ops::function::FnOnce::call_once::hf9378916ebbb74fd
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55e0b57633bb - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x55e0b57633bb - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x55e0b57625fe - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x55e0b57625fe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x55e0b57625fe - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x55e0b57625fe - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x55e0b57625fe - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x55e0b57625fe - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x55e0b57625fe - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x55e0b57261a4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x55e0b57261a4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x55e0b5729b4a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x55e0b5729b4a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x55e0b5729b4a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x55e0b5729b4a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x55e0b5729b4a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x55e0b5729b4a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x55e0b5729b4a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55e0b579cdb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x55e0b579cdb7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x55e0b579cdb7 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x70ce33065aa4 - <unknown>
[INFO] [stdout]   47:     0x70ce330f2a34 - clone
[INFO] [stdout]   48:                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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5b94094a89b6fc87c0d68f657447b9e11ff90d8fa6e4a169aa92f5def495b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b94094a89b6fc87c0d68f657447b9e11ff90d8fa6e4a169aa92f5def495b3e", kill_on_drop: false }`
[INFO] [stdout] f5b94094a89b6fc87c0d68f657447b9e11ff90d8fa6e4a169aa92f5def495b3e
