[INFO] cloning repository https://github.com/ZhuJiaqi9905/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/ZhuJiaqi9905/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b57e67bb3cc34f2bbfc945eb428fa3f2e8be72c
[INFO] testing ZhuJiaqi9905/leetcode_rust against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhuJiaqi9905%2Fleetcode_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZhuJiaqi9905/leetcode_rust on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust
[INFO] finished tweaking git repo https://github.com/ZhuJiaqi9905/leetcode_rust
[INFO] tweaked toml for git repo https://github.com/ZhuJiaqi9905/leetcode_rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ZhuJiaqi9905/leetcode_rust 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82628d0cc9d4316d8a69f9156f9e5c391688829e1e3a6632004ca8980b207194
[INFO] running `Command { std: "docker" "start" "-a" "82628d0cc9d4316d8a69f9156f9e5c391688829e1e3a6632004ca8980b207194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82628d0cc9d4316d8a69f9156f9e5c391688829e1e3a6632004ca8980b207194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82628d0cc9d4316d8a69f9156f9e5c391688829e1e3a6632004ca8980b207194", kill_on_drop: false }`
[INFO] [stdout] 82628d0cc9d4316d8a69f9156f9e5c391688829e1e3a6632004ca8980b207194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f0b357f369c65e5ea44eb99289ceb1dbb58a519f29f3b49b626a94f5286eb59
[INFO] running `Command { std: "docker" "start" "-a" "8f0b357f369c65e5ea44eb99289ceb1dbb58a519f29f3b49b626a94f5286eb59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "8f0b357f369c65e5ea44eb99289ceb1dbb58a519f29f3b49b626a94f5286eb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0b357f369c65e5ea44eb99289ceb1dbb58a519f29f3b49b626a94f5286eb59", kill_on_drop: false }`
[INFO] [stdout] 8f0b357f369c65e5ea44eb99289ceb1dbb58a519f29f3b49b626a94f5286eb59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d730591881b807bcb884b7abbeffc77cd424a538fd27a8fed7982da53feb1c35
[INFO] running `Command { std: "docker" "start" "-a" "d730591881b807bcb884b7abbeffc77cd424a538fd27a8fed7982da53feb1c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid character `' '` in crate name: `235e_ lowest_common_ancestor_of_a_binary_search_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `Rc` is defined multiple times
[INFO] [stdout]   --> examples/993e_cousins_in_binary_tree.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::rc::Rc;
[INFO] [stdout]    |     ----------- previous import of the type `Rc` here
[INFO] [stdout] ...
[INFO] [stdout] 21 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^ `Rc` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rc` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0252]: the name `RefCell` is defined multiple times
[INFO] [stdout]   --> examples/993e_cousins_in_binary_tree.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::cell::RefCell;
[INFO] [stdout]    |     ------------------ previous import of the type `RefCell` here
[INFO] [stdout] ...
[INFO] [stdout] 22 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ `RefCell` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RefCell` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> examples/653e_two_sum_IV_input_is_a_bst.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> examples/653e_two_sum_IV_input_is_a_bst.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> examples/653e_two_sum_IV_input_is_a_bst.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> examples/993e_cousins_in_binary_tree.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> examples/993e_cousins_in_binary_tree.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> examples/1110m_delete_nodes_and_return_forest.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Solution {
[INFO] [stdout]    |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `993e_cousins_in_binary_tree`
[INFO] [stdout]   --> examples/993e_cousins_in_binary_tree.rs:92:2
[INFO] [stdout]    |
[INFO] [stdout] 92 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/993e_cousins_in_binary_tree.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `951m_flip_equivalent_binary_trees`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/951m_flip_equivalent_binary_trees.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `883e_projection_area_of_3D_shapes` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `883e_projection_area_of_3_d_shapes`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/1373h_maximum_sum_BST_in_binary_tree.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut node3 = TreeNode::new(-5);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> examples/110e_balanced_binary_tree.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `1373h_maximum_sum_BST_in_binary_tree` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `1373h_maximum_sum_bst_in_binary_tree`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_balanced` is never used
[INFO] [stdout]   --> examples/110e_balanced_binary_tree.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `depth` is never used
[INFO] [stdout]   --> examples/110e_balanced_binary_tree.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn depth(root: Option<Rc<RefCell<TreeNode>>>, is_balance: &mut bool) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> examples/1339m_maximum_product_of_splitted_binary_tree.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Solution::dfs(root1, root2)
[INFO] [stdout]    |         ^^^^^^^^ use of undeclared type `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_product` is never used
[INFO] [stdout]   --> examples/1339m_maximum_product_of_splitted_binary_tree.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn max_product(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_sum` is never used
[INFO] [stdout]   --> examples/1339m_maximum_product_of_splitted_binary_tree.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn get_sum(root: Option<Rc<RefCell<TreeNode>>>, tree_sum: i32, max_product: &mut i64) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0252, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0252`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         return (Solution::dfs(root1.borrow().left.clone(), root2.borrow().left.clone())
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> examples/653e_two_sum_IV_input_is_a_bst.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_target` is never used
[INFO] [stdout]   --> examples/653e_two_sum_IV_input_is_a_bst.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn find_target(root: Option<Rc<RefCell<TreeNode>>>, k: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dfs` is never used
[INFO] [stdout]   --> examples/653e_two_sum_IV_input_is_a_bst.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn dfs(root: Option<Rc<RefCell<TreeNode>>>, ans: &mut Vec<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |             && Solution::dfs(root1.borrow().right.clone(), root2.borrow().right.clone()))
[INFO] [stdout]    |                ^^^^^^^^ use of undeclared type `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |             || (Solution::dfs(root1.borrow().left.clone(), root2.borrow().right.clone())
[INFO] [stdout]    |                 ^^^^^^^^ use of undeclared type `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `653e_two_sum_IV_input_is_a_bst` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `653e_two_sum_iv_input_is_a_bst`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Solution`
[INFO] [stdout]   --> examples/951m_flip_equivalent_binary_trees.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 && Solution::dfs(root1.borrow().right.clone(), root2.borrow().left.clone()));
[INFO] [stdout]    |                    ^^^^^^^^ use of undeclared type `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FindElements` is never constructed
[INFO] [stdout]   --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct FindElements {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new(root: Option<Rc<RefCell<TreeNode>>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] warning: associated function `dfs` is never used
[INFO] [stdout]   --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn dfs(root: Rc<RefCell<TreeNode>>, value: i32, values: &mut HashSet<i32>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find` is never used
[INFO] [stdout]   --> examples/1261m_find_elements_in_a_contaminated_binary_tree.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn find(&self, target: i32) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> examples/1110m_delete_nodes_and_return_forest.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `del_nodes` is never used
[INFO] [stdout]   --> examples/1110m_delete_nodes_and_return_forest.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn del_nodes(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dfs` is never used
[INFO] [stdout]   --> examples/1110m_delete_nodes_and_return_forest.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn dfs(
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode` due to 8 previous errors
[INFO] [stdout] warning: struct `Ans` is never constructed
[INFO] [stdout]   --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Ans {
[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]   --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(node: Option<Rc<RefCell<TreeNode>>>, depth: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subtree_with_all_deepest` is never used
[INFO] [stdout]   --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn subtree_with_all_deepest(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_depth` is never used
[INFO] [stdout]   --> examples/865m_smallest_subtree_with_all_the_deepest_nodes.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn max_depth(root: Option<Rc<RefCell<TreeNode>>>) -> Ans {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d730591881b807bcb884b7abbeffc77cd424a538fd27a8fed7982da53feb1c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d730591881b807bcb884b7abbeffc77cd424a538fd27a8fed7982da53feb1c35", kill_on_drop: false }`
[INFO] [stdout] d730591881b807bcb884b7abbeffc77cd424a538fd27a8fed7982da53feb1c35
