[INFO] cloning repository https://github.com/NavyD/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NavyD/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf0ceffc326d0571ce578be0ce17e6beae65df04
[INFO] testing NavyD/leetcode-rust against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNavyD%2Fleetcode-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] finished tweaking git repo https://github.com/NavyD/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/NavyD/leetcode-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NavyD/leetcode-rust on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leetcode_test v0.1.2
[INFO] [stderr]   Downloaded leetcode_prelude v0.2.3
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d56dcd51ecb01494052c6211c0be6dd4a7cac2d74f725b34cf4b1cb111cfb22
[INFO] running `Command { std: "docker" "start" "-a" "0d56dcd51ecb01494052c6211c0be6dd4a7cac2d74f725b34cf4b1cb111cfb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d56dcd51ecb01494052c6211c0be6dd4a7cac2d74f725b34cf4b1cb111cfb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d56dcd51ecb01494052c6211c0be6dd4a7cac2d74f725b34cf4b1cb111cfb22", kill_on_drop: false }`
[INFO] [stdout] 0d56dcd51ecb01494052c6211c0be6dd4a7cac2d74f725b34cf4b1cb111cfb22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10af5401f136597f96463d50c815052b2263c180cb4946519b3e38630fffd5f
[INFO] running `Command { std: "docker" "start" "-a" "c10af5401f136597f96463d50c815052b2263c180cb4946519b3e38630fffd5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling leetcode_test v0.1.2
[INFO] [stderr]    Compiling leetcode_prelude v0.2.3
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `LRUCache` is never used
[INFO] [stdout]    --> src/lru_cache.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait LRUCache: Sized {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `val`, `prev`, and `next` are never read
[INFO] [stdout]   --> src/lru_cache.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  9 |         key: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 10 |         val: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         prev: Option<Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 12 |         next: Option<Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tail`, `size`, `capacity`, and `cache` are never read
[INFO] [stdout]   --> src/lru_cache.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct Solution {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 27 |         head: Rc<RefCell<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |         tail: Rc<RefCell<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |         size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |         capacity: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 31 |         cache: HashMap<i32, Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to_head`, `add_to_head`, `remove_node`, and `remove_tail` are never used
[INFO] [stdout]   --> src/lru_cache.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl Solution {
[INFO] [stdout]    |     ------------- methods in this implementation
[INFO] [stdout] 35 |         fn move_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |         fn add_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |         fn remove_node(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |         fn remove_tail(&self) -> Option<Rc<RefCell<Node>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RangeModule` is never used
[INFO] [stdout]    --> src/range_module.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | trait RangeModule {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/range_module.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct Solution {
[INFO] [stdout]    |                -------- field in this struct
[INFO] [stdout] 27 |         map: BTreeMap<i32, i32>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.22s
[INFO] running `Command { std: "docker" "inspect" "c10af5401f136597f96463d50c815052b2263c180cb4946519b3e38630fffd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10af5401f136597f96463d50c815052b2263c180cb4946519b3e38630fffd5f", kill_on_drop: false }`
[INFO] [stdout] c10af5401f136597f96463d50c815052b2263c180cb4946519b3e38630fffd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4047df3cac39b223abe9cd67e5d15e2302a2e80bec303b25f675c6bf10d271
[INFO] running `Command { std: "docker" "start" "-a" "fe4047df3cac39b223abe9cd67e5d15e2302a2e80bec303b25f675c6bf10d271", kill_on_drop: false }`
[INFO] [stdout] warning: trait `LRUCache` is never used
[INFO] [stdout]    --> src/lru_cache.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | trait LRUCache: Sized {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `val`, `prev`, and `next` are never read
[INFO] [stdout]   --> src/lru_cache.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  9 |         key: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 10 |         val: i32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         prev: Option<Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 12 |         next: Option<Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tail`, `size`, `capacity`, and `cache` are never read
[INFO] [stdout]   --> src/lru_cache.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct Solution {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 27 |         head: Rc<RefCell<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 28 |         tail: Rc<RefCell<Node>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |         size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 30 |         capacity: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 31 |         cache: HashMap<i32, Rc<RefCell<Node>>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_to_head`, `add_to_head`, `remove_node`, and `remove_tail` are never used
[INFO] [stdout]   --> src/lru_cache.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl Solution {
[INFO] [stdout]    |     ------------- methods in this implementation
[INFO] [stdout] 35 |         fn move_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |         fn add_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |         fn remove_node(&self, node: Rc<RefCell<Node>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |         fn remove_tail(&self) -> Option<Rc<RefCell<Node>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RangeModule` is never used
[INFO] [stdout]    --> src/range_module.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | trait RangeModule {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/range_module.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct Solution {
[INFO] [stdout]    |                -------- field in this struct
[INFO] [stdout] 27 |         map: BTreeMap<i32, i32>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "fe4047df3cac39b223abe9cd67e5d15e2302a2e80bec303b25f675c6bf10d271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4047df3cac39b223abe9cd67e5d15e2302a2e80bec303b25f675c6bf10d271", kill_on_drop: false }`
[INFO] [stdout] fe4047df3cac39b223abe9cd67e5d15e2302a2e80bec303b25f675c6bf10d271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f14e0307b6f46dd8e268c3763b141af85958b7547d15d0929eaf076c63e2b03d
[INFO] running `Command { std: "docker" "start" "-a" "f14e0307b6f46dd8e268c3763b141af85958b7547d15d0929eaf076c63e2b03d", kill_on_drop: false }`
[INFO] [stderr] warning: trait `LRUCache` is never used
[INFO] [stderr]    --> src/lru_cache.rs:118:7
[INFO] [stderr]     |
[INFO] [stderr] 118 | trait LRUCache: Sized {
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `key`, `val`, `prev`, and `next` are never read
[INFO] [stderr]   --> src/lru_cache.rs:9:9
[INFO] [stderr]    |
[INFO] [stderr]  8 |     struct Node {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr]  9 |         key: i32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 10 |         val: i32,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 11 |         prev: Option<Rc<RefCell<Node>>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 12 |         next: Option<Rc<RefCell<Node>>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head`, `tail`, `size`, `capacity`, and `cache` are never read
[INFO] [stderr]   --> src/lru_cache.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub struct Solution {
[INFO] [stderr]    |                -------- fields in this struct
[INFO] [stderr] 27 |         head: Rc<RefCell<Node>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 28 |         tail: Rc<RefCell<Node>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 29 |         size: usize,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 30 |         capacity: usize,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 31 |         cache: HashMap<i32, Rc<RefCell<Node>>>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `move_to_head`, `add_to_head`, `remove_node`, and `remove_tail` are never used
[INFO] [stderr]   --> src/lru_cache.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     impl Solution {
[INFO] [stderr]    |     ------------- methods in this implementation
[INFO] [stderr] 35 |         fn move_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |         fn add_to_head(&self, node: Rc<RefCell<Node>>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |         fn remove_node(&self, node: Rc<RefCell<Node>>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |         fn remove_tail(&self) -> Option<Rc<RefCell<Node>>> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `RangeModule` is never used
[INFO] [stderr]    --> src/range_module.rs:107:7
[INFO] [stderr]     |
[INFO] [stderr] 107 | trait RangeModule {
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `map` is never read
[INFO] [stderr]   --> src/range_module.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub struct Solution {
[INFO] [stderr]    |                -------- field in this struct
[INFO] [stderr] 27 |         map: BTreeMap<i32, i32>,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode-rust` (lib) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode_rust-fb9a113d24df15b0)
[INFO] [stdout] 
[INFO] [stdout] running 141 tests
[INFO] [stdout] test assign_cookies::tests::basic ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_iv::tests::basics ... ok
[INFO] [stdout] test binary_tree_inorder_traversal::tests::basics ... ok
[INFO] [stdout] test binary_tree_level_order_traversal::tests::basic ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_ii::tests::basic ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_with_cooldown::tests::basic ... ok
[INFO] [stdout] test burst_balloons::tests::basics ... ok
[INFO] [stdout] test binary_tree_preorder_traversal::tests::basics ... ok
[INFO] [stdout] test climbing_stairs::tests::basics ... ok
[INFO] [stdout] test coin_change::tests::basic ... ok
[INFO] [stdout] test construct_binary_tree_from_preorder_and_inorder_traversal::tests::basic ... ok
[INFO] [stdout] test container_with_most_water::my_solution::tests::basics ... ok
[INFO] [stdout] test combinations::tests::basic ... ok
[INFO] [stdout] test coin_change_2::tests::basic ... ok
[INFO] [stdout] test container_with_most_water::solution_double_pointer::tests::basics ... ok
[INFO] [stdout] test count_of_range_sum::tests::test_solution_by_merge_sort_sum ... ok
[INFO] [stdout] test count_of_range_sum::tests::test_solution_by_violent_sum ... ok
[INFO] [stdout] test count_of_smaller_numbers_after_self::tests::test_solution_by_merge_sort ... ok
[INFO] [stdout] test count_of_smaller_numbers_after_self::tests::test_solution_by_violent ... ok
[INFO] [stdout] test counting_bits::tests::basics ... ok
[INFO] [stdout] test decode_ways::tests::basics ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock_iii::tests::basic ... ok
[INFO] [stdout] test binary_tree_postorder_traversal::tests::basics ... ok
[INFO] [stdout] test design_circular_deque::solution_array::tests::basics ... ok
[INFO] [stdout] test divisor_game::solution_induction::tests::basics ... ok
[INFO] [stdout] test edit_distance::tests::basic ... ok
[INFO] [stdout] test fibonacci_number::tests::basic ... ok
[INFO] [stdout] test find_largest_value_in_each_tree_row::tests::basic ... ok
[INFO] [stdout] test find_minimum_in_rotated_sorted_array::tests::basic ... ok
[INFO] [stdout] test find_mode_in_binary_search_tree::solution_dfs::tests::basic_solution_dfs ... ok
[INFO] [stdout] test frog_jump::tests::basics ... ok
[INFO] [stdout] test find_mode_in_binary_search_tree::solution_dfs_follow_up::tests::basic_solution_dfs_follow_up ... ok
[INFO] [stdout] test generate_parentheses::tests::basics ... ok
[INFO] [stdout] test group_anagrams::tests::basics ... ok
[INFO] [stdout] test helper::tests::basic_is_included_vec ... ok
[INFO] [stdout] test helper::tests::basic_str_to_vec ... ok
[INFO] [stdout] test helper::utils::tests::basic ... ok
[INFO] [stdout] test helper::tests::basic_vec_to_tree ... ok
[INFO] [stdout] test house_robber_ii::tests::basics ... ok
[INFO] [stdout] test implement_trie_prefix_tree::solution_node::test ... ok
[INFO] [stdout] test invert_binary_tree::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_dp::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_greedy::tests::basics ... ok
[INFO] [stdout] test is_subsequence::solution_two_pointers::tests::basics ... ok
[INFO] [stdout] test house_robber::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_monotonous_stack::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_stack_sentinel::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_violent_height::tests::basics ... ok
[INFO] [stdout] test largest_rectangle_in_histogram::solution_violent_width::tests::basics ... ok
[INFO] [stdout] test jump_game::tests::basic ... ok
[INFO] [stdout] test jump_game_ii::tests::basic ... ok
[INFO] [stdout] test lemonade_change::tests::basic ... ok
[INFO] [stdout] test letter_combinations_of_a_phone_number::tests::basic ... ok
[INFO] [stdout] test longest_palindromic_substring::tests::basics ... ok
[INFO] [stdout] test longest_valid_parentheses::tests::basics ... ok
[INFO] [stdout] test longest_common_subsequence::tests::basic ... ok
[INFO] [stdout] test lowest_common_ancestor_of_a_binary_tree::tests::basics ... ok
[INFO] [stdout] test majority_element::tests::basic ... ok
[INFO] [stdout] test maximal_square::tests::basics ... ok
[INFO] [stdout] test maximum_depth_of_binary_tree::tests::basics ... ok
[INFO] [stdout] test maximum_product_subarray::tests::basic ... ok
[INFO] [stdout] test maximum_profit_in_job_scheduling::solution_dp::tests::basics ... ok
[INFO] [stdout] test maximum_subarray::tests::basics ... ok
[INFO] [stdout] test merge_sorted_array::solution_backward::tests::basics ... ok
[INFO] [stdout] test merge_sorted_array::solution_forward::tests::basics ... ok
[INFO] [stdout] test merge_sorted_array::solution_sort::tests::basics ... ok
[INFO] [stdout] test merge_two_sorted_lists::solution_iterative::tests::basics ... ok
[INFO] [stdout] test max_sum_of_rectangle_no_larger_than_k::tests::basics ... ok
[INFO] [stdout] test merge_two_sorted_lists::solution_recursive::tests::basics ... ok
[INFO] [stdout] test min_cost_climbing_stairs::solution_dp::tests::basics ... ok
[INFO] [stdout] test minesweeper::tests::basic ... ok
[INFO] [stdout] test minimum_depth_of_binary_tree::tests::basics ... ok
[INFO] [stdout] test minimum_genetic_mutation::tests::basic ... ok
[INFO] [stdout] test minimum_path_sum::tests::basics ... ok
[INFO] [stdout] test minimum_window_substring::tests::basics ... ok
[INFO] [stdout] test move_zeroes::my_solution::tests::basics ... ok
[INFO] [stdout] test number_of_1_bits::tests::basics ... ok
[INFO] [stdout] test n_queens::tests::basic ... ok
[INFO] [stdout] test number_of_islands::tests::basic ... ok
[INFO] [stdout] test number_of_provinces::tests::basics ... ok
[INFO] [stdout] test palindromic_substrings::tests::basics ... ok
[INFO] [stdout] test perfect_squares::tests::basic ... ok
[INFO] [stdout] test permutations::tests::basic ... ok
[INFO] [stdout] test permutations_ii::tests::basics ... ok
[INFO] [stdout] test plus_one::solution_iterative::tests::basics ... ok
[INFO] [stdout] test power_of_three::tests::basics ... ok
[INFO] [stdout] test power_of_two::tests::basics ... ok
[INFO] [stdout] test powx_n::tests::basic ... ok
[INFO] [stdout] test random_pick_with_blacklist::solution_binarysearch::tests::solution_binarysearch ... ok
[INFO] [stdout] test range_module::tests::basics ... ok
[INFO] [stdout] test range_sum_query_immutable::solution_dp::tests::basics ... ok
[INFO] [stdout] test range_sum_query_immutable::solution_dp_less::tests::basics ... ok
[INFO] [stdout] test relative_sort_array::tests::basics ... ok
[INFO] [stdout] test remove_duplicates_from_sorted_array::solution_double_pointer::tests::basics ... ok
[INFO] [stdout] test reverse_bits::tests::basics ... ok
[INFO] [stdout] test reverse_linked_list::solution_points::tests::basics ... ok
[INFO] [stdout] test reverse_linked_list::solution_recursive::tests::basics ... ok
[INFO] [stdout] test reverse_nodes_in_k_group::solution_recursive::tests::basics ... ok
[INFO] [stdout] test rotate_array::solution_copy::tests::basics ... ok
[INFO] [stdout] test rotate_array::solution_reverse::tests::basics ... ok
[INFO] [stdout] test rotate_array::solution_ring::tests::basics ... ok
[INFO] [stdout] test serialize_and_deserialize_binary_tree::solution_bfs::tests::basics ... ok
[INFO] [stdout] test serialize_and_deserialize_binary_tree::solution_dfs::tests::basics ... ok
[INFO] [stdout] test shortest_path_in_binary_matrix::tests::basics ... ok
[INFO] [stdout] test sliding_window_maximum::solution_violent::tests::basics ... ok
[INFO] [stdout] test sort_an_array::tests::basics ... ok
[INFO] [stdout] test move_zeroes::solution_simple::tests::basics ... ok
[INFO] [stdout] test best_time_to_buy_and_sell_stock::tests::basic ... ok
[INFO] [stdout] test split_array_largest_sum::tests::basics ... ok
[INFO] [stdout] test sqrtx::tests::basic ... ok
[INFO] [stdout] test sliding_window_maximum::solution_monotonic_queue::tests::basics ... ok
[INFO] [stdout] test subsets::tests::basic ... ok
[INFO] [stdout] test sudoku_solver::tests::basics ... ok
[INFO] [stdout] test surrounded_regions::tests::basics ... ok
[INFO] [stdout] test sliding_puzzle::tests::basics ... ok
[INFO] [stdout] test task_scheduler::tests::basics ... ok
[INFO] [stdout] test three_sum::solution_sort::tests::basics ... ok
[INFO] [stdout] test triangle::tests::basic ... ok
[INFO] [stdout] test two_sum::solution_force::tests::basics ... ok
[INFO] [stdout] test random_pick_with_blacklist::solution_map::tests::basics ... ok
[INFO] [stdout] test two_sum::solution_hash::tests::basics ... ok
[INFO] [stdout] test search_in_rotated_sorted_array::tests::basic ... ok
[INFO] [stdout] test unique_paths::tests::basic ... ok
[INFO] [stdout] test unique_paths_ii::tests::basics ... ok
[INFO] [stdout] test valid_anagram::tests::basics ... ok
[INFO] [stdout] test valid_parentheses::solution_my::tests::basics ... ok
[INFO] [stdout] test valid_parentheses::solution_stack::tests::basics ... ok
[INFO] [stdout] test valid_perfect_square::tests::basic ... ok
[INFO] [stdout] test valid_sudoku::tests::basics ... ok
[INFO] [stdout] test trapping_rain_water::tests::basics ... ok
[INFO] [stdout] test search_a_2d_matrix::tests::basic ... ok
[INFO] [stdout] test validate_binary_search_tree::tests::basics ... ok
[INFO] [stdout] test walking_robot_simulation::tests::basic ... ok
[INFO] [stdout] test word_search::tests::basics ... ok
[INFO] [stdout] test helper::tests::str_to_vec_panic_with_space - should panic ... ok
[INFO] [stdout] test lru_cache::tests::basics ... FAILED
[INFO] [stdout] test reverse_pairs::tests::basics ... FAILED
[INFO] [stdout] test word_ladder_ii::tests::basic ... ok
[INFO] [stdout] test word_search_ii::tests::basics ... ok
[INFO] [stdout] test student_attendance_record_ii::tests::basics ... ok
[INFO] [stdout] test word_ladder::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lru_cache::tests::basics stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'lru_cache::tests::basics' (83) panicked at src/lru_cache.rs:55:18:
[INFO] [stdout] RefCell already borrowed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x648f9f9d9532 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x648f9f9d9532 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x648f9f9d9532 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x648f9f9d9532 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x648f9f9e9eba - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x648f9f9e9eba - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x648f9f9a8166 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x648f9f9a8166 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x648f9f9b8969 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x648f9f9b8969 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x648f9f9b8801 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x648f9f944d5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x648f9f944d5e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x648f9f9b8be2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x648f9f9b8be2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x648f9f9b8a28 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x648f9f9b3f59 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x648f9f99cf9d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x648f9f9f150c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x648f9f9f06af - core::cell::panic_already_borrowed::do_panic::runtime::h597399636a678b23
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic.rs:172:21
[INFO] [stdout]   20:     0x648f9f9f06af - core::cell::panic_already_borrowed::do_panic::hc6d643627f959582
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/intrinsics/mod.rs:2432:9
[INFO] [stdout]   21:     0x648f9f9f06af - core::cell::panic_already_borrowed::h671ac74bc15910d3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic.rs:177:9
[INFO] [stdout]   22:     0x648f9f80d353 - core::cell::RefCell<T>::borrow_mut::h96bc06810af5f04c
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/cell.rs:1201:25
[INFO] [stdout]   23:     0x648f9f8d1e3b - leetcode_rust::lru_cache::solution::Solution::remove_node::h01656c6a9e0f431b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:55:18
[INFO] [stdout]   24:     0x648f9f8d209f - leetcode_rust::lru_cache::solution::Solution::remove_tail::{{closure}}::he084203056aa1c23
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:60:22
[INFO] [stdout]   25:     0x648f9f80f901 - core::option::Option<T>::map::h59210c36dc928556
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/option.rs:1165:29
[INFO] [stdout]   26:     0x648f9f8d2025 - leetcode_rust::lru_cache::solution::Solution::remove_tail::hb77e83931f7c84ad
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:59:45
[INFO] [stdout]   27:     0x648f9f8d5f10 - <leetcode_rust::lru_cache::solution::Solution as leetcode_rust::lru_cache::LRUCache>::put::hd8213856a7018fc1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:109:37
[INFO] [stdout]   28:     0x648f9f7ffd36 - leetcode_rust::lru_cache::tests::test::heac413c9323fb081
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:140:19
[INFO] [stdout]   29:     0x648f9f7fff76 - leetcode_rust::lru_cache::tests::basics::h017af23a4ced00c6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:132:9
[INFO] [stdout]   30:     0x648f9f7fff97 - leetcode_rust::lru_cache::tests::basics::{{closure}}::he7185ceb0ca5a47f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lru_cache.rs:131:16
[INFO] [stdout]   31:     0x648f9f9196f6 - core::ops::function::FnOnce::call_once::h9e788a19f9090c3d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   32:     0x648f9f944b1b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x648f9f944b1b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   34:     0x648f9f95852a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   35:     0x648f9f95852a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x648f9f95852a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x648f9f95852a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x648f9f95852a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x648f9f95852a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   40:     0x648f9f95852a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   41:     0x648f9f932984 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   42:     0x648f9f932984 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   43:     0x648f9f936322 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   44:     0x648f9f936322 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   45:     0x648f9f936322 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   46:     0x648f9f936322 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   47:     0x648f9f936322 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   48:     0x648f9f936322 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   49:     0x648f9f936322 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   50:     0x648f9f9af1ef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   51:     0x648f9f9af1ef - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   52:     0x71825319faa4 - <unknown>
[INFO] [stdout]   53:     0x71825322ca64 - clone
[INFO] [stdout]   54:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- reverse_pairs::tests::basics stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'reverse_pairs::tests::basics' (127) panicked at src/reverse_pairs.rs:571:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 6
[INFO] [stdout]  right: 4
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x648f9f9d9532 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x648f9f9d9532 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x648f9f9d9532 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x648f9f9d9532 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x648f9f9e9eba - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x648f9f9e9eba - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x648f9f9a8166 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x648f9f9a8166 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x648f9f9b8969 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x648f9f9b8969 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x648f9f9b8801 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x648f9f944d5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x648f9f944d5e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x648f9f9b8be2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x648f9f9b8be2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x648f9f9b8a28 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x648f9f9b3f59 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x648f9f99cf9d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x648f9f9f150c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x648f9f9f13c3 - core::panicking::assert_failed_inner::h3c3301979dc81b81
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x648f9f9c7729 - core::panicking::assert_failed::h504ace85b6b11891
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x648f9f834d7e - leetcode_rust::reverse_pairs::tests::test::h483058486b3d09e2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reverse_pairs.rs:571:9
[INFO] [stdout]   22:     0x648f9f835be0 - leetcode_rust::reverse_pairs::tests::basics::h47d23793f1d335e1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reverse_pairs.rs:557:9
[INFO] [stdout]   23:     0x648f9f835c07 - leetcode_rust::reverse_pairs::tests::basics::{{closure}}::h15177a5f551c2d0b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/reverse_pairs.rs:551:16
[INFO] [stdout]   24:     0x648f9f918ca6 - core::ops::function::FnOnce::call_once::h71c633007e12b890
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x648f9f944b1b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x648f9f944b1b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x648f9f95852a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x648f9f95852a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x648f9f95852a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x648f9f95852a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x648f9f95852a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x648f9f95852a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x648f9f95852a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x648f9f932984 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x648f9f932984 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x648f9f936322 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x648f9f936322 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x648f9f936322 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x648f9f936322 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x648f9f936322 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x648f9f936322 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x648f9f936322 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x648f9f9af1ef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x648f9f9af1ef - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x71825319faa4 - <unknown>
[INFO] [stdout]   46:     0x71825322ca64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lru_cache::tests::basics
[INFO] [stdout]     reverse_pairs::tests::basics
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 139 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f14e0307b6f46dd8e268c3763b141af85958b7547d15d0929eaf076c63e2b03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14e0307b6f46dd8e268c3763b141af85958b7547d15d0929eaf076c63e2b03d", kill_on_drop: false }`
[INFO] [stdout] f14e0307b6f46dd8e268c3763b141af85958b7547d15d0929eaf076c63e2b03d
