[INFO] cloning repository https://github.com/goerzh/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/goerzh/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoerzh%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoerzh%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc922c403b97e5f21a8efc6801dc6a6936f93aa8 [INFO] checking goerzh/leetcode-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoerzh%2Fleetcode-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/goerzh/leetcode-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/goerzh/leetcode-rust [INFO] finished tweaking git repo https://github.com/goerzh/leetcode-rust [INFO] tweaked toml for git repo https://github.com/goerzh/leetcode-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/goerzh/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34d8999b04f7303548c2ee4f92bb3d5e72c8091348567d21b70341fc87da15c9 [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" "34d8999b04f7303548c2ee4f92bb3d5e72c8091348567d21b70341fc87da15c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34d8999b04f7303548c2ee4f92bb3d5e72c8091348567d21b70341fc87da15c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34d8999b04f7303548c2ee4f92bb3d5e72c8091348567d21b70341fc87da15c9", kill_on_drop: false }` [INFO] [stdout] 34d8999b04f7303548c2ee4f92bb3d5e72c8091348567d21b70341fc87da15c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f12bf4855920a0852ea13856fbaf39298d5c77fcf4610f4a5a0dc880a9348310 [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" "f12bf4855920a0852ea13856fbaf39298d5c77fcf4610f4a5a0dc880a9348310", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/s0020_valid_parentheses.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BTreeSet`, `HashMap`, `HashSet` [INFO] [stdout] --> src/s0015_3sum.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, BTreeSet}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | use std::cmp::Reverse; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/s0020_valid_parentheses.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BTreeSet`, `HashMap`, `HashSet` [INFO] [stdout] --> src/s0015_3sum.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{HashMap, HashSet, BTreeSet}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | use std::cmp::Reverse; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/s0016_3sum_closest.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut result: Vec<(i32, i32)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `target` is never read [INFO] [stdout] --> src/s0002_add_two_numbers.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut target = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut result = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0016_3sum_closest.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut nums = nums; [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: variable does not need to be mutable [INFO] [stdout] --> src/s0016_3sum_closest.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut result: Vec<(i32, i32)> = Vec::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut temp = Solution::traversal(&mut q1, &mut q2); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 40 | let mut temp: Vec = Solution::traversal(&mut q2, &mut q1); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0020_valid_parentheses.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/s0020_valid_parentheses.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pair` [INFO] [stdout] --> src/s0020_valid_parentheses.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn pair(open: char, close: char) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0001_two_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/s0001_two_sum.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0015_3sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `three_sum` [INFO] [stdout] --> src/s0015_3sum.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn three_sum(nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/s0015_3sum.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn two_sum(nums: &[i32], target: i32) -> Vec<(i32, i32)> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_unique` [INFO] [stdout] --> src/s0015_3sum.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn next_unique(nums: &[i32], idx: usize, forward: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0016_3sum_closest.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `three_sum_closest` [INFO] [stdout] --> src/s0016_3sum_closest.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn three_sum_closest(nums: Vec, target: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `three_sum` [INFO] [stdout] --> src/s0016_3sum_closest.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn three_sum(nums: &mut Vec, target: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/s0016_3sum_closest.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn two_sum(nums: &[i32], target: i32) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_unique` [INFO] [stdout] --> src/s0016_3sum_closest.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn next_unique(nums: &[i32], idx: usize, forward: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_two_numbers` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_list` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn print_list(l: Option>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `find_kth_largest` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn find_kth_largest(nums: Vec, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `partition` [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn partition(v: &mut [i32], p: i32, r: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level_order` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn level_order(root: Option>>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `traversal` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | fn traversal(origin: &mut VecDeque>>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/s0016_3sum_closest.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut result: Vec<(i32, i32)> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `target` is never read [INFO] [stdout] --> src/s0002_add_two_numbers.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut target = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/s0215_kth_largest_element_in_an_array.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut result = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0016_3sum_closest.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut nums = nums; [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: variable does not need to be mutable [INFO] [stdout] --> src/s0016_3sum_closest.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut result: Vec<(i32, i32)> = Vec::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0002_add_two_numbers.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut l1 = Some(Box::new(ListNode{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0002_add_two_numbers.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut l2 = Some(Box::new(ListNode{ [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut temp = Solution::traversal(&mut q1, &mut q2); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:40:21 [INFO] [stdout] | [INFO] [stdout] 40 | let mut temp: Vec = Solution::traversal(&mut q2, &mut q1); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0001_two_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_sum` [INFO] [stdout] --> src/s0001_two_sum.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_unique` [INFO] [stdout] --> src/s0016_3sum_closest.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn next_unique(nums: &[i32], idx: usize, forward: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/s0002_add_two_numbers.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level_order` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn level_order(root: Option>>) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `traversal` [INFO] [stdout] --> src/s0102_binary_tree_level_order_traversal.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | fn traversal(origin: &mut VecDeque>>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "f12bf4855920a0852ea13856fbaf39298d5c77fcf4610f4a5a0dc880a9348310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f12bf4855920a0852ea13856fbaf39298d5c77fcf4610f4a5a0dc880a9348310", kill_on_drop: false }` [INFO] [stdout] f12bf4855920a0852ea13856fbaf39298d5c77fcf4610f4a5a0dc880a9348310