[INFO] cloning repository https://github.com/ahabhgk/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahabhgk/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 808853ae51ae806f9200a3274bafc3f418384b77 [INFO] checking ahabhgk/lc-rs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahabhgk%2Flc-rs" "/workspace/builds/worker-66/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahabhgk/lc-rs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-66/source/.cargo/config [INFO] started tweaking git repo https://github.com/ahabhgk/lc-rs [INFO] finished tweaking git repo https://github.com/ahabhgk/lc-rs [INFO] tweaked toml for git repo https://github.com/ahabhgk/lc-rs written to /workspace/builds/worker-66/source/Cargo.toml [INFO] crate git repo https://github.com/ahabhgk/lc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking 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24a19c767d177385f00d710a99942a87cf8edea528d2689a925f315cb78a3643 [INFO] running `Command { std: "docker" "start" "-a" "24a19c767d177385f00d710a99942a87cf8edea528d2689a925f315cb78a3643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24a19c767d177385f00d710a99942a87cf8edea528d2689a925f315cb78a3643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24a19c767d177385f00d710a99942a87cf8edea528d2689a925f315cb78a3643", kill_on_drop: false }` [INFO] [stdout] 24a19c767d177385f00d710a99942a87cf8edea528d2689a925f315cb78a3643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" 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(/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:51:10 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 71 | sum += (self.row_sums[i][col2 + 1] - self.row_sums[i][col1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub 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: `partition` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_palindrome` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0224_basic_calculator.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyQueue` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumArray` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumArray { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_range` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid_serialization` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_bits` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_envelopes` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub 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: `partition` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn partition(s: String) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_palindrome` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | fn is_palindrome(s: &[u8], mut i: usize, mut j: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/solution/s0131_palindrome_partitioning.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | fn dfs(i: usize, s: &str, ans: &mut Vec, res: &mut Vec>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `calculate` [INFO] [stdout] --> src/solution/s0227_basic_calculator_ii.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn calculate(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyQueue` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/solution/s0232_implement_queue_using_stacks.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumArray` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumArray { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn new(nums: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_range` [INFO] [stdout] --> src/solution/s0303_range_sum_query_immutable.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn sum_range(&self, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/solution/s0304_range_sum_query_2d_immutable.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid_serialization` [INFO] [stdout] --> src/solution/s0331_verify_preorder_serialization_of_a_binary_tree.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn is_valid_serialization(preorder: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count_bits` [INFO] [stdout] --> src/solution/s0338_counting_bits.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn count_bits(num: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_envelopes` [INFO] [stdout] --> src/solution/s0354_russian_doll_envelopes.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn max_envelopes(envelopes: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_greater_elements` [INFO] [stdout] --> src/solution/s0503_next_greater_element_ii.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn next_greater_elements(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove_duplicates` [INFO] [stdout] --> src/solution/s1047_remove_all_adjacent_duplicates_in_string.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn remove_duplicates(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 44 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_random` is assigned to, but never used [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut is_random = false; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_is_random` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_solving` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_solving = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_solving` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut id: u32 = 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 `is_random` is never read [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | is_random = true; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_solving` is never read [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | is_solving = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mod_file_addon = Arc::new(Mutex::new(vec![])); [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 `is_random` is assigned to, but never used [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut is_random = false; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_is_random` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_solving` is assigned to, but never used [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let mut is_solving = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_solving` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let mut id: u32 = 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 `is_random` is never read [INFO] [stdout] --> src/main.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | is_random = true; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_solving` is never read [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | is_solving = true; [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/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | let mut mod_file_addon = Arc::new(Mutex::new(vec![])); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:310:5 [INFO] [stdout] | [INFO] [stdout] 310 | fs::write(mod_file, lines.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:316:5 [INFO] [stdout] | [INFO] [stdout] 316 | writeln!(lib_file, "mod {};", solution_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | writeln!(lib_file, "mod {};", file_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:310:5 [INFO] [stdout] | [INFO] [stdout] 310 | fs::write(mod_file, lines.join("\n")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:316:5 [INFO] [stdout] | [INFO] [stdout] 316 | writeln!(lib_file, "mod {};", solution_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:359:9 [INFO] [stdout] | [INFO] [stdout] 359 | writeln!(lib_file, "mod {};", file_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.95s [INFO] running `Command { std: "docker" "inspect" "5368ce5aa208cf2fb5ed7e5a06b40efa7efb8f6621aeafed7c0a706318351e22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5368ce5aa208cf2fb5ed7e5a06b40efa7efb8f6621aeafed7c0a706318351e22", kill_on_drop: false }` [INFO] [stdout] 5368ce5aa208cf2fb5ed7e5a06b40efa7efb8f6621aeafed7c0a706318351e22