[INFO] cloning repository https://github.com/fernandoocampo/rust-katas [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fernandoocampo/rust-katas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoocampo%2Frust-katas", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoocampo%2Frust-katas'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67e3161bb1f427de820735d109f85a73385b8be1 [INFO] building fernandoocampo/rust-katas against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffernandoocampo%2Frust-katas" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fernandoocampo/rust-katas on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fernandoocampo/rust-katas [INFO] finished tweaking git repo https://github.com/fernandoocampo/rust-katas [INFO] tweaked toml for git repo https://github.com/fernandoocampo/rust-katas written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fernandoocampo/rust-katas 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string-builder v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a90a464e234789722d86b159620bb118c482338329069fa3278bbeb9ad54344 [INFO] running `Command { std: "docker" "start" "-a" "3a90a464e234789722d86b159620bb118c482338329069fa3278bbeb9ad54344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a90a464e234789722d86b159620bb118c482338329069fa3278bbeb9ad54344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a90a464e234789722d86b159620bb118c482338329069fa3278bbeb9ad54344", kill_on_drop: false }` [INFO] [stdout] 3a90a464e234789722d86b159620bb118c482338329069fa3278bbeb9ad54344 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a42615dcb3c9d2aadd2dda77118aaea61743f5be4ee9c10aab379fa64ba556a [INFO] running `Command { std: "docker" "start" "-a" "2a42615dcb3c9d2aadd2dda77118aaea61743f5be4ee9c10aab379fa64ba556a", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling string-builder v0.2.0 [INFO] [stderr] Compiling itertools v0.12.0 [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `two_sum` is never used [INFO] [stdout] --> src/i_two_sum/two_sum.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sum_b` is never used [INFO] [stdout] --> src/i_two_sum/two_sum.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn two_sum_b(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `two_sum_c` is never used [INFO] [stdout] --> src/i_two_sum/two_sum.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn two_sum_c(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `new_with_val` are never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl ListNode { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 11 | #[inline] [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn new_with_val(val: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_number_from_list` is never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn get_number_from_list( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_two_numbers` is never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring` is never used [INFO] [stdout] --> src/iii_longest_string/longest_string.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_i` is never used [INFO] [stdout] --> src/iii_longest_string/longest_string.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn length_of_longest_substring_i(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_of_longest_substring_ii` is never used [INFO] [stdout] --> src/iii_longest_string/longest_string.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn length_of_longest_substring_ii(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `median_two_arrays` is never used [INFO] [stdout] --> src/iv_median_two_arr/median_two_arrays.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn median_two_arrays(nums1: Vec, nums2: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `merge_and_order` is never used [INFO] [stdout] --> src/iv_median_two_arr/median_two_arrays.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn merge_and_order(mut nums1: Vec, mut nums2: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_median` is never used [INFO] [stdout] --> src/iv_median_two_arr/median_two_arrays.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn calculate_median(nums: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_median_sorted_arrays_ii` is never used [INFO] [stdout] --> src/iv_median_two_arr/median_two_arrays.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn find_median_sorted_arrays_ii(nums1: Vec, nums2: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/lists/linked_list.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/lists/linked_list.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `create_box`, `push`, `push_right`, and `collect` are never used [INFO] [stdout] --> src/lists/linked_list.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl LinkedList { [INFO] [stdout] | ---------------------------- associated items in this implementation [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn create_box(&self, value: T) -> Box> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn push(&mut self, data: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn push_right(&mut self, data: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn collect(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `new_with_val`, `create_box`, `push_left`, and `collect` are never used [INFO] [stdout] --> src/lists/linked_node.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'a> ListNode<'a, i32> { [INFO] [stdout] | -------------------------- associated items in this implementation [INFO] [stdout] 15 | #[inline] [INFO] [stdout] 16 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn new_with_val(val: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn create_box(&self, x: i32) -> Box> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn push_left(&mut self, node: &'a mut Box>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn collect(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `balance` is never used [INFO] [stdout] --> src/o_balance/parentheses.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn balance(value: &str) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_palindrome` is never used [INFO] [stdout] --> src/v_palindromic/palindromic.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_palindrome_rec` is never used [INFO] [stdout] --> src/v_palindromic/palindromic.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn longest_palindrome_rec(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_palindromic` is never used [INFO] [stdout] --> src/v_palindromic/palindromic.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn is_palindromic(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `iterate_word` is never used [INFO] [stdout] --> src/v_palindromic/palindromic.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn iterate_word<'a>(s: &'a str, mut longest: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_longest_palindrome` is never used [INFO] [stdout] --> src/v_palindromic/palindromic.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn find_longest_palindrome<'a>(s: &'a str, mut longest: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_string` is never used [INFO] [stdout] --> src/reversals/reverse.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn reverse_string(value: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_shrek` is never used [INFO] [stdout] --> src/reversals/reverse.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn print_shrek() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_words` is never used [INFO] [stdout] --> src/reversals/reverse.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn reverse_words(str: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_words_clever` is never used [INFO] [stdout] --> src/reversals/reverse.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn reverse_words_clever(str: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_letters` is never used [INFO] [stdout] --> src/reversals/reverse.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn reverse_letters(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_letters_two` is never used [INFO] [stdout] --> src/reversals/reverse.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn reverse_letters_two(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spin_words` is never used [INFO] [stdout] --> src/reversals/reverse.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn spin_words(words: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VOWELS` is never used [INFO] [stdout] --> src/counts/count.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | const VOWELS: &str = "aeiou"; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_vowels` is never used [INFO] [stdout] --> src/counts/count.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn count_vowels(value: &str) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> src/greetings/basic.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn hello(name: &str) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_world` is never used [INFO] [stdout] --> src/greetings/basic.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn hello_world() -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `between` is never used [INFO] [stdout] --> src/integers/between.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn between(a: i16, b: i16) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `between_two` is never used [INFO] [stdout] --> src/integers/between.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn between_two(a: i16, b: i16) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `between_three` is never used [INFO] [stdout] --> src/integers/between.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn between_three(a: i16, b: i16) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fake_bin` is never used [INFO] [stdout] --> src/integers/between.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn fake_bin(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_positives_sum_negatives` is never used [INFO] [stdout] --> src/integers/count.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn count_positives_sum_negatives(input: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_positives_sum_negatives_two` is never used [INFO] [stdout] --> src/integers/count.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn count_positives_sum_negatives_two(input: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_fibos` is never used [INFO] [stdout] --> src/integers/fibbo.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn make_fibos(n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `derive` is never used [INFO] [stdout] --> src/integers/product.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn derive(coefficient: u32, exponent: u32) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sum_i32` is never used [INFO] [stdout] --> src/integers/sum.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn sum_i32(i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sum_i8` is never used [INFO] [stdout] --> src/integers/sum.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn sum_i8(i: i8, j: i8) -> i8 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `positive_sum` is never used [INFO] [stdout] --> src/integers/sum.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn positive_sum(slice: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_sum` is never used [INFO] [stdout] --> src/integers/sum.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn square_sum(vec: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve` is never used [INFO] [stdout] --> src/integers/remove.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn Solve(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve_with_deque` is never used [INFO] [stdout] --> src/integers/remove.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn Solve_with_deque(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `even_or_odd` is never used [INFO] [stdout] --> src/integers/odd_even.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn even_or_odd(number: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `even_or_odd_smart` is never used [INFO] [stdout] --> src/integers/odd_even.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn even_or_odd_smart(number: i32) -> &'static str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_odd_array` is never used [INFO] [stdout] --> src/integers/odd_even.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn sort_odd_array(arr: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_odd_array_smart` is never used [INFO] [stdout] --> src/integers/odd_even.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn sort_odd_array_smart(xs: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_upper_case` is never used [INFO] [stdout] --> src/iterations/for_loop.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn to_upper_case(values: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `repeat` is never used [INFO] [stdout] --> src/iterations/for_loop.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn repeat(value: char, repeat_number: i8) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_smallest_int` is never used [INFO] [stdout] --> src/iterations/for_loop.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn find_smallest_int(arr: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_smallest_int_smart` is never used [INFO] [stdout] --> src/iterations/for_loop.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn find_smallest_int_smart(arr: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_upper_case` is never used [INFO] [stdout] --> src/iterations/while_loop.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn to_upper_case(values: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `repeat` is never used [INFO] [stdout] --> src/iterations/while_loop.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn repeat(value: char, repeat_number: i8) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_lower_case` is never used [INFO] [stdout] --> src/iterations/a_loop.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn to_lower_case(data: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `repeat` is never used [INFO] [stdout] --> src/iterations/a_loop.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn repeat(value: char, repeat_number: usize) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_odd` is never used [INFO] [stdout] --> src/colls/vecs.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn find_odd(input: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_odd_codewars` is never used [INFO] [stdout] --> src/colls/vecs.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn find_odd_codewars(input: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `xo` is never used [INFO] [stdout] --> src/counters/counter.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn xo(string: &'static str) -> bool { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `xo_smart` is never used [INFO] [stdout] --> src/counters/counter.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn xo_smart(string: &'static str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inverse_slice` is never used [INFO] [stdout] --> src/slices/integers.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn inverse_slice(input: &[T], a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inverse_slice_smart` is never used [INFO] [stdout] --> src/slices/integers.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn inverse_slice_smart(input: &[T], a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inverse_slice_two` is never used [INFO] [stdout] --> src/slices/integers.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn inverse_slice_two(input: &[T], a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_upper_case` is never used [INFO] [stdout] --> src/strings/letter_case.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn is_upper_case(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flick_switch` is never used [INFO] [stdout] --> src/strings/list.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn flick_switch(list: &[&str]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flick_switch_smart` is never used [INFO] [stdout] --> src/strings/list.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn flick_switch_smart(list: &[&str]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `points` is never used [INFO] [stdout] --> src/strings/list.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn points(games: &[&str]) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `points_smart_one` is never used [INFO] [stdout] --> src/strings/list.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn points_smart_one(games: &[&str]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_by_length` is never used [INFO] [stdout] --> src/strings/sort.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn sort_by_length(arr: &[String]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_by_length_two` is never used [INFO] [stdout] --> src/strings/sort.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn sort_by_length_two(arr: &[String]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sort_by_length_three` is never used [INFO] [stdout] --> src/strings/sort.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn sort_by_length_three(arr: &[String]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_middle` is never used [INFO] [stdout] --> src/strings/substrings.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn get_middle(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_middle_smart` is never used [INFO] [stdout] --> src/strings/substrings.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn get_middle_smart(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ends_with` is never used [INFO] [stdout] --> src/strings/substrings.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn ends_with(word: &str, ending: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ends_with_brief` is never used [INFO] [stdout] --> src/strings/substrings.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | fn ends_with_brief(word: &str, ending: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_length` is never used [INFO] [stdout] --> src/strings/substrings.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn add_length(s: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve` should have a snake case name [INFO] [stdout] --> src/integers/remove.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn Solve(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `solve` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve_with_deque` should have a snake case name [INFO] [stdout] --> src/integers/remove.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn Solve_with_deque(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solve_with_deque` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `flick` should have an upper case name [INFO] [stdout] --> src/strings/list.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | const flick: &str = "flick"; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `FLICK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "2a42615dcb3c9d2aadd2dda77118aaea61743f5be4ee9c10aab379fa64ba556a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a42615dcb3c9d2aadd2dda77118aaea61743f5be4ee9c10aab379fa64ba556a", kill_on_drop: false }` [INFO] [stdout] 2a42615dcb3c9d2aadd2dda77118aaea61743f5be4ee9c10aab379fa64ba556a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c987f1fc8aefcf65286c8a72dd6e03c60a46460fefa55c7bdf5e698aed835cd [INFO] running `Command { std: "docker" "start" "-a" "0c987f1fc8aefcf65286c8a72dd6e03c60a46460fefa55c7bdf5e698aed835cd", kill_on_drop: false }` [INFO] [stderr] Compiling rust-katas v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated functions `new` and `new_with_val` are never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl ListNode { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 11 | #[inline] [INFO] [stdout] 12 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | fn new_with_val(val: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_number_from_list` is never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn get_number_from_list( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_two_numbers` is never used [INFO] [stdout] --> src/ii_add_two_numbers/add_two_numbers.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_median_sorted_arrays_ii` is never used [INFO] [stdout] --> src/iv_median_two_arr/median_two_arrays.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn find_median_sorted_arrays_ii(nums1: Vec, nums2: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `create_box` is never used [INFO] [stdout] --> src/lists/linked_list.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl LinkedList { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | fn create_box(&self, value: T) -> Box> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_with_val` is never used [INFO] [stdout] --> src/lists/linked_node.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'a> ListNode<'a, i32> { [INFO] [stdout] | -------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | fn new_with_val(val: i32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_shrek` is never used [INFO] [stdout] --> src/reversals/reverse.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn print_shrek() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inverse_slice_two` is never used [INFO] [stdout] --> src/slices/integers.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn inverse_slice_two(input: &[T], a: usize, b: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve` should have a snake case name [INFO] [stdout] --> src/integers/remove.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn Solve(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case (notice the capitalization): `solve` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Solve_with_deque` should have a snake case name [INFO] [stdout] --> src/integers/remove.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn Solve_with_deque(data: &[i32]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `solve_with_deque` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `flick` should have an upper case name [INFO] [stdout] --> src/strings/list.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | const flick: &str = "flick"; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `FLICK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.91s [INFO] running `Command { std: "docker" "inspect" "0c987f1fc8aefcf65286c8a72dd6e03c60a46460fefa55c7bdf5e698aed835cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c987f1fc8aefcf65286c8a72dd6e03c60a46460fefa55c7bdf5e698aed835cd", kill_on_drop: false }` [INFO] [stdout] 0c987f1fc8aefcf65286c8a72dd6e03c60a46460fefa55c7bdf5e698aed835cd