[INFO] cloning repository https://github.com/adibhauzan/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adibhauzan/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadibhauzan%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadibhauzan%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 218ce597dea7bf706fb6e63fd15db3b9c3b1285e
[INFO] checking adibhauzan/belajar-rust-dasar/218ce597dea7bf706fb6e63fd15db3b9c3b1285e against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadibhauzan%2Fbelajar-rust-dasar" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adibhauzan/belajar-rust-dasar on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adibhauzan/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/adibhauzan/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/adibhauzan/belajar-rust-dasar written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adibhauzan/belajar-rust-dasar 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8660e0a82c85e90d69a60eeed539c1399ccc156c1460cb75ffc7c47aad0f7101
[INFO] running `Command { std: "docker" "start" "-a" "8660e0a82c85e90d69a60eeed539c1399ccc156c1460cb75ffc7c47aad0f7101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8660e0a82c85e90d69a60eeed539c1399ccc156c1460cb75ffc7c47aad0f7101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8660e0a82c85e90d69a60eeed539c1399ccc156c1460cb75ffc7c47aad0f7101", kill_on_drop: false }`
[INFO] [stdout] 8660e0a82c85e90d69a60eeed539c1399ccc156c1460cb75ffc7c47aad0f7101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf297306ad985c971aa5b29e89f81c392892b2385d9f7c1623a3a5eff826b43
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[INFO] [stdout] warning: unused import: `crate::first::say_hello as say_hello_first`
[INFO] [stdout]  --> src/second.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::first::say_hello as say_hello_first;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `HashMap`, and `VecDeque`
[INFO] [stdout]  --> src/main.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{BTreeMap, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^  ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::model::User`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::model::User;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first::say_hello`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use first::say_hello;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as say_hello_second`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use second::say_hello as say_hello_second;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unit` is never used
[INFO] [stdout]    --> src/main.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn unit(){
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_a` is never used
[INFO] [stdout]    --> src/main.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn function_a(){
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_good_bye` is never used
[INFO] [stdout]    --> src/main.rs:470:4
[INFO] [stdout]     |
[INFO] [stdout] 470 | fn say_good_bye(first_name : String, middle_name : String, last_name : String){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop_1` is never used
[INFO] [stdout]    --> src/main.rs:490:4
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn factorial_loop_1(n: i32)->i32{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop_recursive` is never used
[INFO] [stdout]    --> src/main.rs:510:4
[INFO] [stdout]     |
[INFO] [stdout] 510 | fn factorial_loop_recursive(n: i32)->i32{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print_text` is never used
[INFO] [stdout]    --> src/main.rs:518:4
[INFO] [stdout]     |
[INFO] [stdout] 518 | fn test_print_text(value: String, times: i32){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn full_name(first_name: &String, middle_name: &String, last_name: &String) -> String{
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]    --> src/main.rs:594:4
[INFO] [stdout]     |
[INFO] [stdout] 594 | fn change_value(value: &mut String){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:619:8
[INFO] [stdout]     |
[INFO] [stdout] 619 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Human` is never used
[INFO] [stdout]    --> src/main.rs:626:7
[INFO] [stdout]     |
[INFO] [stdout] 626 | trait Human {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:637:4
[INFO] [stdout]     |
[INFO] [stdout] 637 | fn print_person(person: &Person){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]    --> src/main.rs:668:8
[INFO] [stdout]     |
[INFO] [stdout] 668 | struct Nothing;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `match_person`, and `say_hello` are never used
[INFO] [stdout]    --> src/main.rs:677:8
[INFO] [stdout]     |
[INFO] [stdout] 676 | impl Person{
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 677 |     fn new(first_name: String, middle_name: String, last_name: String, age: u8) -> Person {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 686 |     fn match_person(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 693 |     fn say_hello(&self, name: &str){
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:714:8
[INFO] [stdout]     |
[INFO] [stdout] 714 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `print`, and `match_geo_point` are never used
[INFO] [stdout]    --> src/main.rs:717:8
[INFO] [stdout]     |
[INFO] [stdout] 716 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 717 |     fn new(lat: f64, long: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 721 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 725 |     fn match_geo_point(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:747:6
[INFO] [stdout]     |
[INFO] [stdout] 747 | enum Level{
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:774:6
[INFO] [stdout]     |
[INFO] [stdout] 774 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:781:8
[INFO] [stdout]     |
[INFO] [stdout] 780 | impl Payment{
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 781 |     fn pay(&self, amount: u32){
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Age` is never used
[INFO] [stdout]    --> src/main.rs:818:6
[INFO] [stdout]     |
[INFO] [stdout] 818 | type Age = u8;
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IdentityNumber` is never used
[INFO] [stdout]    --> src/main.rs:819:6
[INFO] [stdout]     |
[INFO] [stdout] 819 | type IdentityNumber = String;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Customer` is never constructed
[INFO] [stdout]    --> src/main.rs:821:8
[INFO] [stdout]     |
[INFO] [stdout] 821 | struct Customer {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Kontol` is never used
[INFO] [stdout]    --> src/main.rs:827:7
[INFO] [stdout]     |
[INFO] [stdout] 827 | trait Kontol {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `introduce` are never used
[INFO] [stdout]    --> src/main.rs:832:8
[INFO] [stdout]     |
[INFO] [stdout] 831 | impl Customer {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 832 |     fn new(id: IdentityNumber, name: String, age: Age)-> Customer{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 840 |     fn introduce(&self){
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodBye` is never used
[INFO] [stdout]    --> src/main.rs:870:7
[INFO] [stdout]     |
[INFO] [stdout] 870 | trait CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]    --> src/main.rs:875:7
[INFO] [stdout]     |
[INFO] [stdout] 875 | trait CanSayHello {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Orang` is never constructed
[INFO] [stdout]    --> src/main.rs:882:8
[INFO] [stdout]     |
[INFO] [stdout] 882 | struct Orang {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:889:12
[INFO] [stdout]     |
[INFO] [stdout] 888 | impl Orang {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 889 |     pub fn new(first_name: String, middle_name: String, last_name: String)-> Orang{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]    --> src/main.rs:918:4
[INFO] [stdout]     |
[INFO] [stdout] 918 | fn say_hello_trait(value: &impl CanSayHello){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:922:4
[INFO] [stdout]     |
[INFO] [stdout] 922 | fn hello_and_goodbye(value: &(impl CanSayHello + CanSayGoodBye)){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimplePerson` is never constructed
[INFO] [stdout]    --> src/main.rs:939:8
[INFO] [stdout]     |
[INFO] [stdout] 939 | struct SimplePerson {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:944:8
[INFO] [stdout]     |
[INFO] [stdout] 943 | impl SimplePerson{
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 944 |     fn new(name: String)->SimplePerson{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_simple_person` is never used
[INFO] [stdout]    --> src/main.rs:962:4
[INFO] [stdout]     |
[INFO] [stdout] 962 | fn new_simple_person(name: String) -> impl CanSayGoodBye {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]    --> src/main.rs:979:7
[INFO] [stdout]     |
[INFO] [stdout] 979 | trait CanSay: CanSayHello + CanSayGoodBye{
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]    --> src/main.rs:983:8
[INFO] [stdout]     |
[INFO] [stdout] 983 | struct SimpleMan {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]     --> src/main.rs:1012:8
[INFO] [stdout]      |
[INFO] [stdout] 1012 | struct Point<T>{
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_y` and `get_x` are never used
[INFO] [stdout]     --> src/main.rs:1019:8
[INFO] [stdout]      |
[INFO] [stdout] 1017 | impl <T> Point<T> {
[INFO] [stdout]      | ----------------- methods in this implementation
[INFO] [stdout] 1018 |
[INFO] [stdout] 1019 |     fn get_y(&self)-> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1023 |     fn get_x(&self)-> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]     --> src/main.rs:1038:6
[INFO] [stdout]      |
[INFO] [stdout] 1038 | enum Value<T>{
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HI` is never constructed
[INFO] [stdout]     --> src/main.rs:1057:8
[INFO] [stdout]      |
[INFO] [stdout] 1057 | struct HI<T: CanSayGoodBye>{
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1072:4
[INFO] [stdout]      |
[INFO] [stdout] 1072 | fn min<T: PartialOrd>(value1: T, value2: T)->T{
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]     --> src/main.rs:1123:4
[INFO] [stdout]      |
[INFO] [stdout] 1123 | fn add(value: Option<i32>)-> Option<i32>{
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]     --> src/main.rs:1169:8
[INFO] [stdout]      |
[INFO] [stdout] 1169 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_filter` is never used
[INFO] [stdout]     --> src/main.rs:1205:4
[INFO] [stdout]      |
[INFO] [stdout] 1205 | fn print_with_filter(value: String, filter : fn(String)->String){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_uppercase` is never used
[INFO] [stdout]     --> src/main.rs:1210:4
[INFO] [stdout]      |
[INFO] [stdout] 1210 | fn to_uppercase(value: String)->String{
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_database` is never used
[INFO] [stdout]     --> src/main.rs:1315:4
[INFO] [stdout]      |
[INFO] [stdout] 1315 | fn connect_database(host: Option<String>){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_cache` is never used
[INFO] [stdout]     --> src/main.rs:1333:4
[INFO] [stdout]      |
[INFO] [stdout] 1333 | fn connect_cache(host: Option<String>) -> Result<String, String>{
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_email` is never used
[INFO] [stdout]     --> src/main.rs:1344:4
[INFO] [stdout]      |
[INFO] [stdout] 1344 | fn connect_email(email: Option<String>) -> Result<String, String>{
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_application` is never used
[INFO] [stdout]     --> src/main.rs:1355:4
[INFO] [stdout]      |
[INFO] [stdout] 1355 | fn connect_application(host: Option<String>)-> Result<String, String> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]     --> src/main.rs:1418:4
[INFO] [stdout]      |
[INFO] [stdout] 1418 | fn longest<'a>(value1: &'a str, value2: &'a str)-> &'a str{
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]     --> src/main.rs:1432:8
[INFO] [stdout]      |
[INFO] [stdout] 1432 | struct Student <'a, 'b>{
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:1438:8
[INFO] [stdout]      |
[INFO] [stdout] 1437 | impl <'a, 'b> Student<'a, 'b> {
[INFO] [stdout]      | ----------------------------- method in this implementation
[INFO] [stdout] 1438 |     fn longest_student_name(&self, student: &Student<'a, 'b>)-> &'a str{
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:1447:4
[INFO] [stdout]      |
[INFO] [stdout] 1447 | fn longest_student_name<'a, 'b>(student1: &Student<'a, 'b>, student2: &Student<'a, 'b>)-> &'a str{
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn say_hello(){
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/first.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub fn say_hello() {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/second.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn say_hello(){
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/model.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 |     pub struct User {
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `say_hello` are never used
[INFO] [stdout]   --> src/model.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 9  |     impl User{
[INFO] [stdout]    |     --------- associated items in this implementation
[INFO] [stdout] 10 |         pub fn new(first_name: String, middle_name: String, last_name: String, email: String, age: u8)-> User{
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |         pub fn say_hello(&self, name: &str){
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/third.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello(){
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 63 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:929:9
[INFO] [stdout]     |
[INFO] [stdout] 929 |     let mut adib = Orang::new(String::from("Adib"), String::from("Hauzan"), String::from("Sofyan"));
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:970:9
[INFO] [stdout]     |
[INFO] [stdout] 970 |     let mut adib = &SimplePerson{
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1197:16
[INFO] [stdout]      |
[INFO] [stdout] 1197 |     let sum = |mut value1: i32, mut value2: i32|{
[INFO] [stdout]      |                ----^^^^^^
[INFO] [stdout]      |                |
[INFO] [stdout]      |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1197:33
[INFO] [stdout]      |
[INFO] [stdout] 1197 |     let sum = |mut value1: i32, mut value2: i32|{
[INFO] [stdout]      |                                 ----^^^^^^
[INFO] [stdout]      |                                 |
[INFO] [stdout]      |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Regular` and `Platinum` are never constructed
[INFO] [stdout]    --> src/main.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 747 | enum Level{
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 748 |     Regular,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 749 |     Premium,
[INFO] [stdout] 750 |     Platinum,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Kontol` is never used
[INFO] [stdout]    --> src/main.rs:827:7
[INFO] [stdout]     |
[INFO] [stdout] 827 | trait Kontol {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:944:8
[INFO] [stdout]     |
[INFO] [stdout] 943 | impl SimplePerson{
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 944 |     fn new(name: String)->SimplePerson{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]    --> src/main.rs:979:7
[INFO] [stdout]     |
[INFO] [stdout] 979 | trait CanSay: CanSayHello + CanSayGoodBye{
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]    --> src/main.rs:983:8
[INFO] [stdout]     |
[INFO] [stdout] 983 | struct SimpleMan {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]     --> src/main.rs:1039:5
[INFO] [stdout]      |
[INFO] [stdout] 1038 | enum Value<T>{
[INFO] [stdout]      |      ----- variant in this enum
[INFO] [stdout] 1039 |     NONE,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_name` is never read
[INFO] [stdout]     --> src/main.rs:1434:5
[INFO] [stdout]      |
[INFO] [stdout] 1432 | struct Student <'a, 'b>{
[INFO] [stdout]      |        ------- field in this struct
[INFO] [stdout] 1433 |     name: &'a str,
[INFO] [stdout] 1434 |     last_name: &'b str,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/first.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pub fn say_hello() {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `middle_name`, `last_name`, `email`, and `age` are never read
[INFO] [stdout]  --> src/model.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 |     pub struct User {
[INFO] [stdout]   |                ---- fields in this struct
[INFO] [stdout] 2 |         first_name: String,
[INFO] [stdout] 3 |         middle_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 4 |         last_name: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 5 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |         age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "6cf297306ad985c971aa5b29e89f81c392892b2385d9f7c1623a3a5eff826b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf297306ad985c971aa5b29e89f81c392892b2385d9f7c1623a3a5eff826b43", kill_on_drop: false }`
[INFO] [stdout] 6cf297306ad985c971aa5b29e89f81c392892b2385d9f7c1623a3a5eff826b43