[INFO] cloning repository https://github.com/is191021/Codewars [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/is191021/Codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis191021%2FCodewars", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis191021%2FCodewars'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fdafd8f8f29c54d85414b4258de9dab759cc3208 [INFO] testing is191021/Codewars against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fis191021%2FCodewars" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/is191021/Codewars on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/is191021/Codewars [INFO] finished tweaking git repo https://github.com/is191021/Codewars [INFO] tweaked toml for git repo https://github.com/is191021/Codewars written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/is191021/Codewars already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 289a9d28412f9fa98bf753bd9cab30caf6abe0d568bbf12f2380de74220940eb [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" "289a9d28412f9fa98bf753bd9cab30caf6abe0d568bbf12f2380de74220940eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "289a9d28412f9fa98bf753bd9cab30caf6abe0d568bbf12f2380de74220940eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "289a9d28412f9fa98bf753bd9cab30caf6abe0d568bbf12f2380de74220940eb", kill_on_drop: false }` [INFO] [stdout] 289a9d28412f9fa98bf753bd9cab30caf6abe0d568bbf12f2380de74220940eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 58a22a2b432d413a2367d71d8642eb17fe67c352998d58ec60dbf6d5c9cc4766 [INFO] running `Command { std: "docker" "start" "-a" "58a22a2b432d413a2367d71d8642eb17fe67c352998d58ec60dbf6d5c9cc4766", kill_on_drop: false }` [INFO] [stderr] Compiling codewars v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `East`, `North`, `South`, `West` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::Direction::{North, South, East, West}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 - fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] 97 + fn helper (h: u64) -> Vec{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:122:11 [INFO] [stdout] | [INFO] [stdout] 122 | if(h == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 122 - if(h == 0){ [INFO] [stdout] 122 + if h == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | if(h != 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 129 - if(h != 0){ [INFO] [stdout] 129 + if h != 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:144:11 [INFO] [stdout] | [INFO] [stdout] 144 | if(word.len() != words[ii].len()){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 144 - if(word.len() != words[ii].len()){ [INFO] [stdout] 144 + if word.len() != words[ii].len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:148:14 [INFO] [stdout] | [INFO] [stdout] 148 | ... if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count(... [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 148 - if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count()){ [INFO] [stdout] 148 + if word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:223:7 [INFO] [stdout] | [INFO] [stdout] 223 | if(!str.is_empty()){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 223 - if(!str.is_empty()){ [INFO] [stdout] 223 + if !str.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `square` is never read [INFO] [stdout] --> src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut square :Vec = vec![]; [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: unused variable: `ii` [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | for ii in 0..3{ [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `check` is never read [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut check =true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ii` [INFO] [stdout] --> src/main.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | for ii in 1..n { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut print :Vec = s.chars().collect(); [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: function is never used: `dna_strand` [INFO] [stdout] --> src/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn dna_strand(dna: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `printer_error` [INFO] [stdout] --> src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn printer_error(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `delete_nth` [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn delete_nth(lst: &[u8], n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_squared` [INFO] [stdout] --> src/main.rs:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | fn list_squared(m: u64, n: u64) -> Vec<(u64, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `helper` [INFO] [stdout] --> src/main.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `expanded_form` [INFO] [stdout] --> src/main.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn expanded_form(n: u64) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `anagrams` [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn anagrams(word: &str, words: &[String]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum_pairs` [INFO] [stdout] --> src/main.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn sum_pairs(ints: &[i8], s: i8) -> Option<(i8, i8)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gap` [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn gap(g: i32, m: u64, n: u64) -> Option<(u64, u64)> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `primechecker` [INFO] [stdout] --> src/main.rs:201:4 [INFO] [stdout] | [INFO] [stdout] 201 | fn primechecker(m: u64) -> bool{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `order` [INFO] [stdout] --> src/main.rs:210:4 [INFO] [stdout] | [INFO] [stdout] 210 | fn order(sentence: &str) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `North` [INFO] [stdout] --> src/main.rs:231:5 [INFO] [stdout] | [INFO] [stdout] 231 | North, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `East` [INFO] [stdout] --> src/main.rs:232:5 [INFO] [stdout] | [INFO] [stdout] 232 | East, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `West` [INFO] [stdout] --> src/main.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | West, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `South` [INFO] [stdout] --> src/main.rs:234:5 [INFO] [stdout] | [INFO] [stdout] 234 | South, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dir_reduc` [INFO] [stdout] --> src/main.rs:237:4 [INFO] [stdout] | [INFO] [stdout] 237 | fn dir_reduc(arr: &[Direction]) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `song_decoder` [INFO] [stdout] --> src/main.rs:259:4 [INFO] [stdout] | [INFO] [stdout] 259 | fn song_decoder(song: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play_pass` [INFO] [stdout] --> src/main.rs:286:4 [INFO] [stdout] | [INFO] [stdout] 286 | fn play_pass(s: &str, n: u32) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shift_help` [INFO] [stdout] --> src/main.rs:299:4 [INFO] [stdout] | [INFO] [stdout] 299 | fn shift_help(s: char, n: u32) -> char{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `perimeter` [INFO] [stdout] --> src/main.rs:309:4 [INFO] [stdout] | [INFO] [stdout] 309 | fn perimeter(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dsum` [INFO] [stdout] --> src/main.rs:318:4 [INFO] [stdout] | [INFO] [stdout] 318 | fn dsum(mut n: u64) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_smaller_number` [INFO] [stdout] --> src/main.rs:327:4 [INFO] [stdout] | [INFO] [stdout] 327 | fn next_smaller_number(n: u64) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rot13` [INFO] [stdout] --> src/main.rs:363:4 [INFO] [stdout] | [INFO] [stdout] 363 | fn rot13(message: &str) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sheldon` [INFO] [stdout] --> src/main.rs:378:13 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Leonard` [INFO] [stdout] --> src/main.rs:378:22 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/main.rs:378:31 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rajesh` [INFO] [stdout] --> src/main.rs:378:38 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Howard` [INFO] [stdout] --> src/main.rs:378:46 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Names` [INFO] [stdout] --> src/main.rs:381:1 [INFO] [stdout] | [INFO] [stdout] 381 | type Names = Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `who_is_next` [INFO] [stdout] --> src/main.rs:384:4 [INFO] [stdout] | [INFO] [stdout] 384 | fn who_is_next(names: &Names, n: usize) -> Name { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `josephus_survivor` [INFO] [stdout] --> src/main.rs:396:4 [INFO] [stdout] | [INFO] [stdout] 396 | fn josephus_survivor(n: i32, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `newMessage` should have a snake case name [INFO] [stdout] --> src/main.rs:364:13 [INFO] [stdout] | [INFO] [stdout] 364 | let mut newMessage = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `new_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 44 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "58a22a2b432d413a2367d71d8642eb17fe67c352998d58ec60dbf6d5c9cc4766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58a22a2b432d413a2367d71d8642eb17fe67c352998d58ec60dbf6d5c9cc4766", kill_on_drop: false }` [INFO] [stdout] 58a22a2b432d413a2367d71d8642eb17fe67c352998d58ec60dbf6d5c9cc4766 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8642ac90d0d1a6cf78996f3c211ab6cb9524882e1cb92f3b0b4a427f365ab702 [INFO] running `Command { std: "docker" "start" "-a" "8642ac90d0d1a6cf78996f3c211ab6cb9524882e1cb92f3b0b4a427f365ab702", kill_on_drop: false }` [INFO] [stderr] Compiling codewars v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `East`, `North`, `South`, `West` [INFO] [stdout] --> src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::Direction::{North, South, East, West}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:97:27 [INFO] [stdout] | [INFO] [stdout] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 - fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] 97 + fn helper (h: u64) -> Vec{ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:122:11 [INFO] [stdout] | [INFO] [stdout] 122 | if(h == 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 122 - if(h == 0){ [INFO] [stdout] 122 + if h == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | if(h != 0){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 129 - if(h != 0){ [INFO] [stdout] 129 + if h != 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:144:11 [INFO] [stdout] | [INFO] [stdout] 144 | if(word.len() != words[ii].len()){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 144 - if(word.len() != words[ii].len()){ [INFO] [stdout] 144 + if word.len() != words[ii].len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:148:14 [INFO] [stdout] | [INFO] [stdout] 148 | ... if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count(... [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 148 - if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count()){ [INFO] [stdout] 148 + if word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:223:7 [INFO] [stdout] | [INFO] [stdout] 223 | if(!str.is_empty()){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 223 - if(!str.is_empty()){ [INFO] [stdout] 223 + if !str.is_empty() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `square` is never read [INFO] [stdout] --> src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let mut square :Vec = vec![]; [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: unused variable: `ii` [INFO] [stdout] --> src/main.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | for ii in 0..3{ [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `check` is never read [INFO] [stdout] --> src/main.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let mut check =true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ii` [INFO] [stdout] --> src/main.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | for ii in 1..n { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut print :Vec = s.chars().collect(); [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: function is never used: `dna_strand` [INFO] [stdout] --> src/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn dna_strand(dna: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `printer_error` [INFO] [stdout] --> src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn printer_error(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `delete_nth` [INFO] [stdout] --> src/main.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn delete_nth(lst: &[u8], n: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `list_squared` [INFO] [stdout] --> src/main.rs:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | fn list_squared(m: u64, n: u64) -> Vec<(u64, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `helper` [INFO] [stdout] --> src/main.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `expanded_form` [INFO] [stdout] --> src/main.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn expanded_form(n: u64) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `anagrams` [INFO] [stdout] --> src/main.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn anagrams(word: &str, words: &[String]) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sum_pairs` [INFO] [stdout] --> src/main.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn sum_pairs(ints: &[i8], s: i8) -> Option<(i8, i8)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gap` [INFO] [stdout] --> src/main.rs:182:4 [INFO] [stdout] | [INFO] [stdout] 182 | fn gap(g: i32, m: u64, n: u64) -> Option<(u64, u64)> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `primechecker` [INFO] [stdout] --> src/main.rs:201:4 [INFO] [stdout] | [INFO] [stdout] 201 | fn primechecker(m: u64) -> bool{ [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `order` [INFO] [stdout] --> src/main.rs:210:4 [INFO] [stdout] | [INFO] [stdout] 210 | fn order(sentence: &str) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `North` [INFO] [stdout] --> src/main.rs:231:5 [INFO] [stdout] | [INFO] [stdout] 231 | North, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `East` [INFO] [stdout] --> src/main.rs:232:5 [INFO] [stdout] | [INFO] [stdout] 232 | East, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `West` [INFO] [stdout] --> src/main.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | West, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `South` [INFO] [stdout] --> src/main.rs:234:5 [INFO] [stdout] | [INFO] [stdout] 234 | South, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:229:10 [INFO] [stdout] | [INFO] [stdout] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dir_reduc` [INFO] [stdout] --> src/main.rs:237:4 [INFO] [stdout] | [INFO] [stdout] 237 | fn dir_reduc(arr: &[Direction]) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `song_decoder` [INFO] [stdout] --> src/main.rs:259:4 [INFO] [stdout] | [INFO] [stdout] 259 | fn song_decoder(song: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `play_pass` [INFO] [stdout] --> src/main.rs:286:4 [INFO] [stdout] | [INFO] [stdout] 286 | fn play_pass(s: &str, n: u32) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shift_help` [INFO] [stdout] --> src/main.rs:299:4 [INFO] [stdout] | [INFO] [stdout] 299 | fn shift_help(s: char, n: u32) -> char{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `perimeter` [INFO] [stdout] --> src/main.rs:309:4 [INFO] [stdout] | [INFO] [stdout] 309 | fn perimeter(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dsum` [INFO] [stdout] --> src/main.rs:318:4 [INFO] [stdout] | [INFO] [stdout] 318 | fn dsum(mut n: u64) -> u64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_smaller_number` [INFO] [stdout] --> src/main.rs:327:4 [INFO] [stdout] | [INFO] [stdout] 327 | fn next_smaller_number(n: u64) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rot13` [INFO] [stdout] --> src/main.rs:363:4 [INFO] [stdout] | [INFO] [stdout] 363 | fn rot13(message: &str) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sheldon` [INFO] [stdout] --> src/main.rs:378:13 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Leonard` [INFO] [stdout] --> src/main.rs:378:22 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/main.rs:378:31 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rajesh` [INFO] [stdout] --> src/main.rs:378:38 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Howard` [INFO] [stdout] --> src/main.rs:378:46 [INFO] [stdout] | [INFO] [stdout] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:377:10 [INFO] [stdout] | [INFO] [stdout] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Names` [INFO] [stdout] --> src/main.rs:381:1 [INFO] [stdout] | [INFO] [stdout] 381 | type Names = Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `who_is_next` [INFO] [stdout] --> src/main.rs:384:4 [INFO] [stdout] | [INFO] [stdout] 384 | fn who_is_next(names: &Names, n: usize) -> Name { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `josephus_survivor` [INFO] [stdout] --> src/main.rs:396:4 [INFO] [stdout] | [INFO] [stdout] 396 | fn josephus_survivor(n: i32, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `newMessage` should have a snake case name [INFO] [stdout] --> src/main.rs:364:13 [INFO] [stdout] | [INFO] [stdout] 364 | let mut newMessage = "".to_string(); [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `new_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] [stdout] warning: 44 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars-eb790dc5ab4c9fb4) [INFO] running `Command { std: "docker" "inspect" "8642ac90d0d1a6cf78996f3c211ab6cb9524882e1cb92f3b0b4a427f365ab702", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8642ac90d0d1a6cf78996f3c211ab6cb9524882e1cb92f3b0b4a427f365ab702", kill_on_drop: false }` [INFO] [stdout] 8642ac90d0d1a6cf78996f3c211ab6cb9524882e1cb92f3b0b4a427f365ab702 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7de70c80f725cae5932482c798bffd8358ed982e1d4ac57d7f2dc5decd30e8a8 [INFO] running `Command { std: "docker" "start" "-a" "7de70c80f725cae5932482c798bffd8358ed982e1d4ac57d7f2dc5decd30e8a8", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `East`, `North`, `South`, `West` [INFO] [stderr] --> src/main.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::Direction::{North, South, East, West}; [INFO] [stderr] | ^^^^^ ^^^^^ ^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/main.rs:97:27 [INFO] [stderr] | [INFO] [stderr] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 97 - fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stderr] 97 + fn helper (h: u64) -> Vec{ [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:122:11 [INFO] [stderr] | [INFO] [stderr] 122 | if(h == 0){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 122 - if(h == 0){ [INFO] [stderr] 122 + if h == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:129:7 [INFO] [stderr] | [INFO] [stderr] 129 | if(h != 0){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 129 - if(h != 0){ [INFO] [stderr] 129 + if h != 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:144:11 [INFO] [stderr] | [INFO] [stderr] 144 | if(word.len() != words[ii].len()){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 144 - if(word.len() != words[ii].len()){ [INFO] [stderr] 144 + if word.len() != words[ii].len() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:148:14 [INFO] [stderr] | [INFO] [stderr] 148 | ... if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count(... [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 148 - if(word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count()){ [INFO] [stderr] 148 + if word.chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() != words[ii].chars().filter(|x| *x==word.chars().nth(jj).unwrap()).count() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:223:7 [INFO] [stderr] | [INFO] [stderr] 223 | if(!str.is_empty()){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 223 - if(!str.is_empty()){ [INFO] [stderr] 223 + if !str.is_empty() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `square` is never read [INFO] [stderr] --> src/main.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut square :Vec = vec![]; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ii` [INFO] [stderr] --> src/main.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | for ii in 0..3{ [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `check` is never read [INFO] [stderr] --> src/main.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let mut check =true; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ii` [INFO] [stderr] --> src/main.rs:312:9 [INFO] [stderr] | [INFO] [stderr] 312 | for ii in 1..n { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ii` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut print :Vec = s.chars().collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dna_strand` [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn dna_strand(dna: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `printer_error` [INFO] [stderr] --> src/main.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn printer_error(s: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `delete_nth` [INFO] [stderr] --> src/main.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | fn delete_nth(lst: &[u8], n: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `list_squared` [INFO] [stderr] --> src/main.rs:84:4 [INFO] [stderr] | [INFO] [stderr] 84 | fn list_squared(m: u64, n: u64) -> Vec<(u64, u64)> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `helper` [INFO] [stderr] --> src/main.rs:97:4 [INFO] [stderr] | [INFO] [stderr] 97 | fn helper (h: u64) -> Vec<(u64)>{ [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `expanded_form` [INFO] [stderr] --> src/main.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 110 | fn expanded_form(n: u64) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `anagrams` [INFO] [stderr] --> src/main.rs:139:4 [INFO] [stderr] | [INFO] [stderr] 139 | fn anagrams(word: &str, words: &[String]) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum_pairs` [INFO] [stderr] --> src/main.rs:160:4 [INFO] [stderr] | [INFO] [stderr] 160 | fn sum_pairs(ints: &[i8], s: i8) -> Option<(i8, i8)> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gap` [INFO] [stderr] --> src/main.rs:182:4 [INFO] [stderr] | [INFO] [stderr] 182 | fn gap(g: i32, m: u64, n: u64) -> Option<(u64, u64)> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `primechecker` [INFO] [stderr] --> src/main.rs:201:4 [INFO] [stderr] | [INFO] [stderr] 201 | fn primechecker(m: u64) -> bool{ [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `order` [INFO] [stderr] --> src/main.rs:210:4 [INFO] [stderr] | [INFO] [stderr] 210 | fn order(sentence: &str) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `North` [INFO] [stderr] --> src/main.rs:231:5 [INFO] [stderr] | [INFO] [stderr] 231 | North, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:229:10 [INFO] [stderr] | [INFO] [stderr] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `East` [INFO] [stderr] --> src/main.rs:232:5 [INFO] [stderr] | [INFO] [stderr] 232 | East, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:229:10 [INFO] [stderr] | [INFO] [stderr] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `West` [INFO] [stderr] --> src/main.rs:233:5 [INFO] [stderr] | [INFO] [stderr] 233 | West, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:229:10 [INFO] [stderr] | [INFO] [stderr] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `South` [INFO] [stderr] --> src/main.rs:234:5 [INFO] [stderr] | [INFO] [stderr] 234 | South, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:229:10 [INFO] [stderr] | [INFO] [stderr] 229 | #[derive(Clone, Copy, Debug, PartialEq, Eq)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dir_reduc` [INFO] [stderr] --> src/main.rs:237:4 [INFO] [stderr] | [INFO] [stderr] 237 | fn dir_reduc(arr: &[Direction]) -> Vec { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `song_decoder` [INFO] [stderr] --> src/main.rs:259:4 [INFO] [stderr] | [INFO] [stderr] 259 | fn song_decoder(song: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `play_pass` [INFO] [stderr] --> src/main.rs:286:4 [INFO] [stderr] | [INFO] [stderr] 286 | fn play_pass(s: &str, n: u32) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `shift_help` [INFO] [stderr] --> src/main.rs:299:4 [INFO] [stderr] | [INFO] [stderr] 299 | fn shift_help(s: char, n: u32) -> char{ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `perimeter` [INFO] [stderr] --> src/main.rs:309:4 [INFO] [stderr] | [INFO] [stderr] 309 | fn perimeter(n: u64) -> u64 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dsum` [INFO] [stderr] --> src/main.rs:318:4 [INFO] [stderr] | [INFO] [stderr] 318 | fn dsum(mut n: u64) -> u64 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_smaller_number` [INFO] [stderr] --> src/main.rs:327:4 [INFO] [stderr] | [INFO] [stderr] 327 | fn next_smaller_number(n: u64) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rot13` [INFO] [stderr] --> src/main.rs:363:4 [INFO] [stderr] | [INFO] [stderr] 363 | fn rot13(message: &str) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sheldon` [INFO] [stderr] --> src/main.rs:378:13 [INFO] [stderr] | [INFO] [stderr] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:377:10 [INFO] [stderr] | [INFO] [stderr] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Leonard` [INFO] [stderr] --> src/main.rs:378:22 [INFO] [stderr] | [INFO] [stderr] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:377:10 [INFO] [stderr] | [INFO] [stderr] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> src/main.rs:378:31 [INFO] [stderr] | [INFO] [stderr] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:377:10 [INFO] [stderr] | [INFO] [stderr] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Rajesh` [INFO] [stderr] --> src/main.rs:378:38 [INFO] [stderr] | [INFO] [stderr] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:377:10 [INFO] [stderr] | [INFO] [stderr] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Howard` [INFO] [stderr] --> src/main.rs:378:46 [INFO] [stderr] | [INFO] [stderr] 378 | enum Name { Sheldon, Leonard, Penny, Rajesh, Howard } [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Name` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:377:10 [INFO] [stderr] | [INFO] [stderr] 377 | #[derive(Debug, Eq, PartialEq, Copy, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Names` [INFO] [stderr] --> src/main.rs:381:1 [INFO] [stderr] | [INFO] [stderr] 381 | type Names = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `who_is_next` [INFO] [stderr] --> src/main.rs:384:4 [INFO] [stderr] | [INFO] [stderr] 384 | fn who_is_next(names: &Names, n: usize) -> Name { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `josephus_survivor` [INFO] [stderr] --> src/main.rs:396:4 [INFO] [stderr] | [INFO] [stderr] 396 | fn josephus_survivor(n: i32, k: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `newMessage` should have a snake case name [INFO] [stderr] --> src/main.rs:364:13 [INFO] [stderr] | [INFO] [stderr] 364 | let mut newMessage = "".to_string(); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `new_message` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `codewars` (bin "codewars" test) generated 44 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars-eb790dc5ab4c9fb4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7de70c80f725cae5932482c798bffd8358ed982e1d4ac57d7f2dc5decd30e8a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7de70c80f725cae5932482c798bffd8358ed982e1d4ac57d7f2dc5decd30e8a8", kill_on_drop: false }` [INFO] [stdout] 7de70c80f725cae5932482c798bffd8358ed982e1d4ac57d7f2dc5decd30e8a8