[INFO] cloning repository https://github.com/qinxiaoguang/rs-lc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qinxiaoguang/rs-lc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Frs-lc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Frs-lc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b77fb83b472da060bb5a3a57017706d86add9ce6
[INFO] checking qinxiaoguang/rs-lc against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiaoguang%2Frs-lc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qinxiaoguang/rs-lc on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qinxiaoguang/rs-lc
[INFO] finished tweaking git repo https://github.com/qinxiaoguang/rs-lc
[INFO] tweaked toml for git repo https://github.com/qinxiaoguang/rs-lc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/qinxiaoguang/rs-lc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c45b67ba92b5786604b059216fc7d963783d42cf3a68767d11e2a9a60a8fa2a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c45b67ba92b5786604b059216fc7d963783d42cf3a68767d11e2a9a60a8fa2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c45b67ba92b5786604b059216fc7d963783d42cf3a68767d11e2a9a60a8fa2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45b67ba92b5786604b059216fc7d963783d42cf3a68767d11e2a9a60a8fa2a5", kill_on_drop: false }`
[INFO] [stdout] c45b67ba92b5786604b059216fc7d963783d42cf3a68767d11e2a9a60a8fa2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21e98c04b390a98ff14fa1c414c7378c0c92e8b0945c17b5144159574749f4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f21e98c04b390a98ff14fa1c414c7378c0c92e8b0945c17b5144159574749f4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rs-lc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/solution/l021.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/solution/l021.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/solution/l049.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/solution/l049.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / macro_rules! sf {
[INFO] [stdout] 5 | |     ($str:expr) => {
[INFO] [stdout] 6 | |         String::from($str)
[INFO] [stdout] 7 | |     };
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/l049.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! set {
[INFO] [stdout] 25 | |     ($($k:expr),*) => {
[INFO] [stdout] 26 | |         {
[INFO] [stdout] 27 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     };
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListNode`
[INFO] [stdout]  --> src/solution/l105.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListNode`
[INFO] [stdout]  --> src/solution/l106.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l118.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l119.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l120.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/solution/l126.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l143.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l148.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l203.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l206.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l234.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l238.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l445.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l725.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/solution/l725.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/solution/l725.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ListNode`
[INFO] [stdout]  --> src/solution/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ListNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/solution/util.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/solution/util.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / macro_rules! sf {
[INFO] [stdout] 5 | |     ($str:expr) => {
[INFO] [stdout] 6 | |         String::from($str)
[INFO] [stdout] 7 | |     };
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! map {
[INFO] [stdout] 12 | |     ($($k:expr => $v:expr),*) => {
[INFO] [stdout] 13 | |         {
[INFO] [stdout] 14 | |             let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     };
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! set {
[INFO] [stdout] 25 | |     ($($k:expr),*) => {
[INFO] [stdout] 26 | |         {
[INFO] [stdout] 27 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     };
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / macro_rules! list {
[INFO] [stdout] 38 | |     ($($k:expr),*) => {
[INFO] [stdout] 39 | |         {
[INFO] [stdout] 40 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/solution/l021.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/solution/l021.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/solution/l049.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/l049.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! set {
[INFO] [stdout] 25 | |     ($($k:expr),*) => {
[INFO] [stdout] 26 | |         {
[INFO] [stdout] 27 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     };
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListNode`
[INFO] [stdout]  --> src/solution/l105.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListNode`
[INFO] [stdout]  --> src/solution/l106.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l118.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l119.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l120.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/solution/l126.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l126.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l143.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l148.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l169.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l203.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l206.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l234.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ListNode`, `TreeNode`
[INFO] [stdout]  --> src/solution/l238.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l445.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l566.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l621.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l661.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l695.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeNode`
[INFO] [stdout]  --> src/solution/l725.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{ListNode, TreeNode};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/solution/l725.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/solution/l725.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l729.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::ListNode`
[INFO] [stdout]  --> src/solution/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::ListNode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/solution/util.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/solution/util.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / macro_rules! sf {
[INFO] [stdout] 5 | |     ($str:expr) => {
[INFO] [stdout] 6 | |         String::from($str)
[INFO] [stdout] 7 | |     };
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! map {
[INFO] [stdout] 12 | |     ($($k:expr => $v:expr),*) => {
[INFO] [stdout] 13 | |         {
[INFO] [stdout] 14 | |             let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     };
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! set {
[INFO] [stdout] 25 | |     ($($k:expr),*) => {
[INFO] [stdout] 26 | |         {
[INFO] [stdout] 27 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |     };
[INFO] [stdout] 34 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solution/util.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / macro_rules! list {
[INFO] [stdout] 38 | |     ($($k:expr),*) => {
[INFO] [stdout] 39 | |         {
[INFO] [stdout] 40 | |             let mut set = HashSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/solution/l798.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/solution/l852.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<(i32, i32, i32, HashSet<T>)>`
[INFO] [stdout]    --> src/solution/l864.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut queue = vec![];
[INFO] [stdout]     |             --------- consider giving `queue` the explicit type `Vec<(i32, i32, i32, HashSet<T>)>`, where the type parameter `T` is specified
[INFO] [stdout] 113 |         let now_keys = 0;
[INFO] [stdout] 114 |         let mut keys_set = HashSet::new();
[INFO] [stdout]     |                            ^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-lc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<(i32, i32, i32, HashSet<T>)>`
[INFO] [stdout]    --> src/solution/l864.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let mut queue = vec![];
[INFO] [stdout]     |             --------- consider giving `queue` the explicit type `Vec<(i32, i32, i32, HashSet<T>)>`, where the type parameter `T` is specified
[INFO] [stdout] 113 |         let now_keys = 0;
[INFO] [stdout] 114 |         let mut keys_set = HashSet::new();
[INFO] [stdout]     |                            ^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f21e98c04b390a98ff14fa1c414c7378c0c92e8b0945c17b5144159574749f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21e98c04b390a98ff14fa1c414c7378c0c92e8b0945c17b5144159574749f4a", kill_on_drop: false }`
[INFO] [stdout] f21e98c04b390a98ff14fa1c414c7378c0c92e8b0945c17b5144159574749f4a