[INFO] cloning repository https://github.com/surojitfromindia/codeforce_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/surojitfromindia/codeforce_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurojitfromindia%2Fcodeforce_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurojitfromindia%2Fcodeforce_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec02306ce13352105fe168f0fa79e74e7a1ebfee
[INFO] checking surojitfromindia/codeforce_problems against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsurojitfromindia%2Fcodeforce_problems" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/surojitfromindia/codeforce_problems
[INFO] finished tweaking git repo https://github.com/surojitfromindia/codeforce_problems
[INFO] tweaked toml for git repo https://github.com/surojitfromindia/codeforce_problems written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/surojitfromindia/codeforce_problems on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/surojitfromindia/codeforce_problems 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b36aa1d05a58e757c0c0cdbf70d2874b49c2b6df8fcf4272eb936b2424c697a4
[INFO] running `Command { std: "docker" "start" "-a" "b36aa1d05a58e757c0c0cdbf70d2874b49c2b6df8fcf4272eb936b2424c697a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b36aa1d05a58e757c0c0cdbf70d2874b49c2b6df8fcf4272eb936b2424c697a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36aa1d05a58e757c0c0cdbf70d2874b49c2b6df8fcf4272eb936b2424c697a4", kill_on_drop: false }`
[INFO] [stdout] b36aa1d05a58e757c0c0cdbf70d2874b49c2b6df8fcf4272eb936b2424c697a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20964472951e4a1bf6d25ffdccb662ca3d6127b562558b43e3c09b8b2b7645c
[INFO] running `Command { std: "docker" "start" "-a" "e20964472951e4a1bf6d25ffdccb662ca3d6127b562558b43e3c09b8b2b7645c", kill_on_drop: false }`
[INFO] [stderr]     Checking codeforce_problems v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/easy/a271.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut y = year;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `near_lucky_number` is never used
[INFO] [stdout]  --> src/easy/a110.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn near_lucky_number() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_string` is never used
[INFO] [stdout]  --> src/easy/a112.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn peyta_string(s1: &str, s2: &str) -> i8 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_string_test` is never used
[INFO] [stdout]   --> src/easy/a112.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn peyta_string_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insomnia` is never used
[INFO] [stdout]  --> src/easy/a148.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn insomnia(k: u64, l: u64, m: u64, n: u64, d: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insomnia_test` is never used
[INFO] [stdout]   --> src/easy/a148.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn insomnia_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_round` is never used
[INFO] [stdout]  --> src/easy/a158.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn next_round() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `team` is never used
[INFO] [stdout]  --> src/easy/a231.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn team(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ASCII_A` is never used
[INFO] [stdout]  --> src/easy/a236.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | static ASCII_A: u8 = b'A';
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `ASCII_a` is never used
[INFO] [stdout]  --> src/easy/a236.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | static ASCII_a: u8 = b'a';
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boy_or_girl` is never used
[INFO] [stdout]  --> src/easy/a236.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn boy_or_girl(inp: String) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boy_or_girl_test` is never used
[INFO] [stdout]   --> src/easy/a236.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn boy_or_girl_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beautiful_matrix` is never used
[INFO] [stdout]  --> src/easy/a263.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn beautiful_matrix(row_pos: u8, col_pos: u8) -> u8 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_beautiful_matrix` is never used
[INFO] [stdout]   --> src/easy/a263.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run_beautiful_matrix() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stones_on_table` is never used
[INFO] [stdout]  --> src/easy/a266.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn stones_on_table(inp: String) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stones_on_table_test` is never used
[INFO] [stdout]   --> src/easy/a266.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn stones_on_table_test (){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_capitalize` is never used
[INFO] [stdout]  --> src/easy/a281.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn word_capitalize(mut inp :  String)->String{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_capitalize_test` is never used
[INFO] [stdout]   --> src/easy/a281.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn word_capitalize_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit` is never used
[INFO] [stdout]  --> src/easy/a282.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bit(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `watermelon` is never used
[INFO] [stdout]  --> src/easy/a4.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn watermelon() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traffic_cost` is never used
[INFO] [stdout]  --> src/easy/a5.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn traffic_cost(commands: Vec<String>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traffic_cost_test` is never used
[INFO] [stdout]   --> src/easy/a5.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn traffic_cost_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `domino_pilling` is never used
[INFO] [stdout]   --> src/easy/a50.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn domino_pilling(m: u8, n: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_domino_pilling` is never used
[INFO] [stdout]   --> src/easy/a50.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn run_domino_pilling() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elephant_move` is never used
[INFO] [stdout]  --> src/easy/a617.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn elephant_move(to_pos: u64)-> u64{
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elephant_move_test` is never used
[INFO] [stdout]   --> src/easy/a617.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn elephant_move_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `way_too_long` is never used
[INFO] [stdout]  --> src/easy/a71.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn way_too_long(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink` is never used
[INFO] [stdout]   --> src/easy/a71.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn shrink(lg: &str, str_len: usize)-> String{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_bro` is never used
[INFO] [stdout]  --> src/easy/a791.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn big_bro(lima: u8, bob: u8) -> u64 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_bro_test` is never used
[INFO] [stdout]   --> src/easy/a791.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn big_bro_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word` is never used
[INFO] [stdout]  --> src/easy/a546.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn word(inp: String) -> String {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_test` is never used
[INFO] [stdout]   --> src/easy/a546.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn word_test() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soldier_and_banana` is never used
[INFO] [stdout]  --> src/easy/a59.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn soldier_and_banana(k:u64,n:u64,w:u64)-> u64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soldier_and_banana_test` is never used
[INFO] [stdout]  --> src/easy/a59.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn soldier_and_banana_test(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrong_subtract` is never used
[INFO] [stdout]  --> src/easy/a977.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn wrong_subtract(number: u64, repeat: u8) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrong_subtract_test` is never used
[INFO] [stdout]   --> src/easy/a977.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn wrong_subtract_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_danik` is never used
[INFO] [stdout]  --> src/easy/a734.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn anton_and_danik(game: &str)-> &str{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_danik_test` is never used
[INFO] [stdout]   --> src/easy/a734.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn anton_and_danik_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OutIn` is never constructed
[INFO] [stdout]  --> src/easy/a116.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OutIn(u32, u32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tram` is never used
[INFO] [stdout]  --> src/easy/a116.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn tram(out_in: Vec<OutIn> )-> u32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tram_test` is never used
[INFO] [stdout]   --> src/easy/a116.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn tram_test() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translation` is never used
[INFO] [stdout]  --> src/easy/a41.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn translation<'a>(s: &'a str, t: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translation_test` is never used
[INFO] [stdout]   --> src/easy/a41.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn translation_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_year_num_distinct` is never used
[INFO] [stdout]  --> src/easy/a271.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn is_year_num_distinct(year: u16) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beautiful_year_test` is never used
[INFO] [stdout]   --> src/easy/a271.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn beautiful_year_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vanya_and_fence` is never used
[INFO] [stdout]  --> src/easy/a677.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn vanya_and_fence(h: u16, heights: Vec<u16>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vanya_and_fence_test` is never used
[INFO] [stdout]  --> src/easy/a677.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn vanya_and_fence_test() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_problem` is never used
[INFO] [stdout]  --> src/easy/a1030.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn easy_problem<'a>(votes: Vec<u8>) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_problem_test` is never used
[INFO] [stdout]  --> src/easy/a1030.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn easy_problem_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `magnets` is never used
[INFO] [stdout]  --> src/easy/a344.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn magnets(inp: Vec<String>)-> u64{
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `magnets_test` is never used
[INFO] [stdout]   --> src/easy/a344.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn magnets_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `george_and_accommodation` is never used
[INFO] [stdout]  --> src/easy/a467.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn george_and_accommodation() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `present` is never used
[INFO] [stdout]  --> src/easy/a136.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn present(senders: Vec<u8>) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `present_test` is never used
[INFO] [stdout]   --> src/easy/a136.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn present_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrival_of_gen` is never used
[INFO] [stdout]  --> src/easy/a144.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |  fn arrival_of_gen(v: Vec<u8>) -> u32 {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrival_of_gen_test` is never used
[INFO] [stdout]   --> src/easy/a144.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn arrival_of_gen_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horseshoe` is never used
[INFO] [stdout]  --> src/easy/a228.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn horseshoe(s1: u64, s2: u64, s3: u64, s4: u64) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horseshoe_test` is never used
[INFO] [stdout]   --> src/easy/a228.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn horseshoe_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ultra_fast_math` is never used
[INFO] [stdout]  --> src/easy/a61.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn ultra_fast_math(s1: &str, s2: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ultra_fast_math_test` is never used
[INFO] [stdout]   --> src/easy/a61.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn ultra_fast_math_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hulk_test` is never used
[INFO] [stdout]  --> src/easy/a705.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn hulk_test() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_the_lottery` is never used
[INFO] [stdout]  --> src/easy/a996.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn hit_the_lottery(money: u64)-> u64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_the_lottery_test` is never used
[INFO] [stdout]   --> src/easy/a996.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn hit_the_lottery_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_and_football` is never used
[INFO] [stdout]  --> src/easy/a96.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn peyta_and_football(gp: &str)-> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_and_football_test` is never used
[INFO] [stdout]   --> src/easy/a96.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn peyta_and_football_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `twins` is never used
[INFO] [stdout]  --> src/easy/a160.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn twins(mut coins: Vec<u32>) -> u32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `twins_test` is never used
[INFO] [stdout]   --> src/easy/a160.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn twins_test() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odds` is never used
[INFO] [stdout]  --> src/easy/a318.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn even_odds(n: u64, k: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odds_test` is never used
[INFO] [stdout]   --> src/easy/a318.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn even_odds_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_letters` is never used
[INFO] [stdout]  --> src/easy/a443.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn anton_and_letters(f_set: &str) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_letters_test` is never used
[INFO] [stdout]   --> src/easy/a443.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn anton_and_letters_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queue_at_school` is never used
[INFO] [stdout]  --> src/easy_b/b266.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn queue_at_school(inp: String, sec: u16) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queue_at_school_test` is never used
[INFO] [stdout]   --> src/easy_b/b266.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn queue_at_school_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ASCII_a` should have an upper case name
[INFO] [stdout]  --> src/easy/a236.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | static ASCII_a: u8 = b'a';
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 2 - static ASCII_a: u8 = b'a';
[INFO] [stdout] 2 + static ASCII_A: u8 = b'a';
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/easy/a271.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut y = year;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `near_lucky_number` is never used
[INFO] [stdout]  --> src/easy/a110.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn near_lucky_number() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_string_test` is never used
[INFO] [stdout]   --> src/easy/a112.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn peyta_string_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insomnia` is never used
[INFO] [stdout]  --> src/easy/a148.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn insomnia(k: u64, l: u64, m: u64, n: u64, d: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insomnia_test` is never used
[INFO] [stdout]   --> src/easy/a148.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn insomnia_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_round` is never used
[INFO] [stdout]  --> src/easy/a158.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn next_round() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `team` is never used
[INFO] [stdout]  --> src/easy/a231.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn team(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boy_or_girl_test` is never used
[INFO] [stdout]   --> src/easy/a236.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn boy_or_girl_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_beautiful_matrix` is never used
[INFO] [stdout]   --> src/easy/a263.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run_beautiful_matrix() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stones_on_table` is never used
[INFO] [stdout]  --> src/easy/a266.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn stones_on_table(inp: String) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stones_on_table_test` is never used
[INFO] [stdout]   --> src/easy/a266.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn stones_on_table_test (){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_capitalize_test` is never used
[INFO] [stdout]   --> src/easy/a281.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn word_capitalize_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bit` is never used
[INFO] [stdout]  --> src/easy/a282.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn bit(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `watermelon` is never used
[INFO] [stdout]  --> src/easy/a4.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn watermelon() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traffic_cost_test` is never used
[INFO] [stdout]   --> src/easy/a5.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn traffic_cost_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_domino_pilling` is never used
[INFO] [stdout]   --> src/easy/a50.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn run_domino_pilling() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elephant_move` is never used
[INFO] [stdout]  --> src/easy/a617.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn elephant_move(to_pos: u64)-> u64{
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elephant_move_test` is never used
[INFO] [stdout]   --> src/easy/a617.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn elephant_move_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `way_too_long` is never used
[INFO] [stdout]  --> src/easy/a71.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn way_too_long(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shrink` is never used
[INFO] [stdout]   --> src/easy/a71.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn shrink(lg: &str, str_len: usize)-> String{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_bro_test` is never used
[INFO] [stdout]   --> src/easy/a791.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn big_bro_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word` is never used
[INFO] [stdout]  --> src/easy/a546.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn word(inp: String) -> String {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_test` is never used
[INFO] [stdout]   --> src/easy/a546.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn word_test() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soldier_and_banana` is never used
[INFO] [stdout]  --> src/easy/a59.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn soldier_and_banana(k:u64,n:u64,w:u64)-> u64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soldier_and_banana_test` is never used
[INFO] [stdout]  --> src/easy/a59.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn soldier_and_banana_test(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrong_subtract_test` is never used
[INFO] [stdout]   --> src/easy/a977.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn wrong_subtract_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_danik_test` is never used
[INFO] [stdout]   --> src/easy/a734.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn anton_and_danik_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OutIn` is never constructed
[INFO] [stdout]  --> src/easy/a116.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OutIn(u32, u32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tram` is never used
[INFO] [stdout]  --> src/easy/a116.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn tram(out_in: Vec<OutIn> )-> u32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tram_test` is never used
[INFO] [stdout]   --> src/easy/a116.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn tram_test() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translation` is never used
[INFO] [stdout]  --> src/easy/a41.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn translation<'a>(s: &'a str, t: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `translation_test` is never used
[INFO] [stdout]   --> src/easy/a41.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn translation_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_year_num_distinct` is never used
[INFO] [stdout]  --> src/easy/a271.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn is_year_num_distinct(year: u16) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `beautiful_year_test` is never used
[INFO] [stdout]   --> src/easy/a271.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn beautiful_year_test(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vanya_and_fence` is never used
[INFO] [stdout]  --> src/easy/a677.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn vanya_and_fence(h: u16, heights: Vec<u16>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vanya_and_fence_test` is never used
[INFO] [stdout]  --> src/easy/a677.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn vanya_and_fence_test() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_problem` is never used
[INFO] [stdout]  --> src/easy/a1030.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn easy_problem<'a>(votes: Vec<u8>) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `easy_problem_test` is never used
[INFO] [stdout]  --> src/easy/a1030.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn easy_problem_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `magnets_test` is never used
[INFO] [stdout]   --> src/easy/a344.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn magnets_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `george_and_accommodation` is never used
[INFO] [stdout]  --> src/easy/a467.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn george_and_accommodation() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `present` is never used
[INFO] [stdout]  --> src/easy/a136.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn present(senders: Vec<u8>) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `present_test` is never used
[INFO] [stdout]   --> src/easy/a136.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn present_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrival_of_gen` is never used
[INFO] [stdout]  --> src/easy/a144.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |  fn arrival_of_gen(v: Vec<u8>) -> u32 {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `arrival_of_gen_test` is never used
[INFO] [stdout]   --> src/easy/a144.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn arrival_of_gen_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horseshoe` is never used
[INFO] [stdout]  --> src/easy/a228.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn horseshoe(s1: u64, s2: u64, s3: u64, s4: u64) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horseshoe_test` is never used
[INFO] [stdout]   --> src/easy/a228.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn horseshoe_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ultra_fast_math` is never used
[INFO] [stdout]  --> src/easy/a61.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn ultra_fast_math(s1: &str, s2: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ultra_fast_math_test` is never used
[INFO] [stdout]   --> src/easy/a61.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn ultra_fast_math_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hulk_test` is never used
[INFO] [stdout]  --> src/easy/a705.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn hulk_test() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_the_lottery` is never used
[INFO] [stdout]  --> src/easy/a996.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn hit_the_lottery(money: u64)-> u64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_the_lottery_test` is never used
[INFO] [stdout]   --> src/easy/a996.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn hit_the_lottery_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_and_football` is never used
[INFO] [stdout]  --> src/easy/a96.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn peyta_and_football(gp: &str)-> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peyta_and_football_test` is never used
[INFO] [stdout]   --> src/easy/a96.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn peyta_and_football_test(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `twins` is never used
[INFO] [stdout]  --> src/easy/a160.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn twins(mut coins: Vec<u32>) -> u32 {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `twins_test` is never used
[INFO] [stdout]   --> src/easy/a160.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn twins_test() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odds` is never used
[INFO] [stdout]  --> src/easy/a318.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn even_odds(n: u64, k: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odds_test` is never used
[INFO] [stdout]   --> src/easy/a318.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn even_odds_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_letters` is never used
[INFO] [stdout]  --> src/easy/a443.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn anton_and_letters(f_set: &str) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `anton_and_letters_test` is never used
[INFO] [stdout]   --> src/easy/a443.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn anton_and_letters_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queue_at_school` is never used
[INFO] [stdout]  --> src/easy_b/b266.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn queue_at_school(inp: String, sec: u16) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `queue_at_school_test` is never used
[INFO] [stdout]   --> src/easy_b/b266.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn queue_at_school_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ASCII_a` should have an upper case name
[INFO] [stdout]  --> src/easy/a236.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | static ASCII_a: u8 = b'a';
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 2 - static ASCII_a: u8 = b'a';
[INFO] [stdout] 2 + static ASCII_A: u8 = b'a';
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e20964472951e4a1bf6d25ffdccb662ca3d6127b562558b43e3c09b8b2b7645c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20964472951e4a1bf6d25ffdccb662ca3d6127b562558b43e3c09b8b2b7645c", kill_on_drop: false }`
[INFO] [stdout] e20964472951e4a1bf6d25ffdccb662ca3d6127b562558b43e3c09b8b2b7645c