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[INFO] started tweaking git repo https://github.com/riyadshauk/leetcode_rust [INFO] finished tweaking git repo https://github.com/riyadshauk/leetcode_rust [INFO] tweaked toml for git repo https://github.com/riyadshauk/leetcode_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/riyadshauk/leetcode_rust on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/riyadshauk/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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e44c612f2265d23423b6988a6b43cbd4c9e0c51d3123b36d7a13872eb075bff [INFO] running `Command { std: "docker" "start" "-a" "0e44c612f2265d23423b6988a6b43cbd4c9e0c51d3123b36d7a13872eb075bff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e44c612f2265d23423b6988a6b43cbd4c9e0c51d3123b36d7a13872eb075bff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e44c612f2265d23423b6988a6b43cbd4c9e0c51d3123b36d7a13872eb075bff", kill_on_drop: false }` [INFO] [stdout] 0e44c612f2265d23423b6988a6b43cbd4c9e0c51d3123b36d7a13872eb075bff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a307702ea01acf664402f2a82b4ab29d0613cbda195b3d00ee58cf28f03f7730 [INFO] running `Command { std: "docker" "start" "-a" "a307702ea01acf664402f2a82b4ab29d0613cbda195b3d00ee58cf28f03f7730", kill_on_drop: false }` [INFO] [stderr] Checking leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::problems::three_sum` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::problems::three_sum; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet` and `LinkedList` [INFO] [stdout] --> src/problems/combination_sum3.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::helper_macros::macros::vec_2d` [INFO] [stdout] --> src/problems/combination_sum3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils::helper_macros::macros::vec_2d; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/merge_intervals.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::convert_array_to_binary_tree` [INFO] [stdout] --> src/problems/right_side_view.rs:3:43 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{utils::binary_tree::TreeNode, utils::convert_array_to_binary_tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `vec_2d` [INFO] [stdout] --> src/utils/helper_macros.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | macro_rules! vec_2d { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::problems::three_sum` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::problems::three_sum; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet` and `LinkedList` [INFO] [stdout] --> src/problems/combination_sum3.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::helper_macros::macros::vec_2d` [INFO] [stdout] --> src/problems/combination_sum3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils::helper_macros::macros::vec_2d; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/merge_intervals.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::convert_array_to_binary_tree` [INFO] [stdout] --> src/problems/right_side_view.rs:3:43 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{utils::binary_tree::TreeNode, utils::convert_array_to_binary_tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/combination_sum3.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut combination_sum: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intervals` [INFO] [stdout] --> src/problems/merge_intervals.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn solution(intervals: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/merge_intervals.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut merged_intervals: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/problems/right_side_view.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solution(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded_tree` [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | encoded_tree: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/combination_sum3.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn helper(k: i32, n: i32, sum: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/combination_sum3.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut combination_sum: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intervals` [INFO] [stdout] --> src/problems/merge_intervals.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn solution(intervals: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/merge_intervals.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut merged_intervals: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/problems/right_side_view.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solution(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded_tree` [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | encoded_tree: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/combination_sum3.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn helper(k: i32, n: i32, sum: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minNum` should have a snake case name [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let minNum = -100; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `min_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet` and `LinkedList` [INFO] [stdout] --> src/problems/combination_sum3.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::helper_macros::macros::vec_2d` [INFO] [stdout] --> src/problems/combination_sum3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils::helper_macros::macros::vec_2d; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/merge_intervals.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::convert_array_to_binary_tree` [INFO] [stdout] --> src/problems/right_side_view.rs:3:43 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{utils::binary_tree::TreeNode, utils::convert_array_to_binary_tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `vec_2d` [INFO] [stdout] --> src/utils/helper_macros.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | macro_rules! vec_2d { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet` and `LinkedList` [INFO] [stdout] --> src/problems/combination_sum3.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashSet, LinkedList}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::helper_macros::macros::vec_2d` [INFO] [stdout] --> src/problems/combination_sum3.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils::helper_macros::macros::vec_2d; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/problems/merge_intervals.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `utils::convert_array_to_binary_tree` [INFO] [stdout] --> src/problems/right_side_view.rs:3:43 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{utils::binary_tree::TreeNode, utils::convert_array_to_binary_tree}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/combination_sum3.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut combination_sum: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intervals` [INFO] [stdout] --> src/problems/merge_intervals.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn solution(intervals: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/merge_intervals.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut merged_intervals: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/problems/right_side_view.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solution(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded_tree` [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | encoded_tree: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/combination_sum3.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn helper(k: i32, n: i32, sum: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/problems/combination_sum3.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn solution(k: i32, n: i32) -> Vec> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/combination_sum3.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut combination_sum: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `intervals` [INFO] [stdout] --> src/problems/merge_intervals.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn solution(intervals: Vec>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intervals` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/problems/merge_intervals.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut merged_intervals: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/problems/right_side_view.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solution(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `encoded_tree` [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | encoded_tree: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `helper` is never used [INFO] [stdout] --> src/problems/combination_sum3.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn helper(k: i32, n: i32, sum: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `minNum` should have a snake case name [INFO] [stdout] --> src/utils/convert_array_to_binary_tree.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let minNum = -100; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `min_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "a307702ea01acf664402f2a82b4ab29d0613cbda195b3d00ee58cf28f03f7730", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a307702ea01acf664402f2a82b4ab29d0613cbda195b3d00ee58cf28f03f7730", kill_on_drop: false }` [INFO] [stdout] a307702ea01acf664402f2a82b4ab29d0613cbda195b3d00ee58cf28f03f7730