[INFO] cloning repository https://github.com/areef44/jajal-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/areef44/jajal-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fareef44%2Fjajal-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fareef44%2Fjajal-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39c9dea185c9c5fb6265fa9d0b0dd4d3c106a444
[INFO] checking areef44/jajal-rust against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fareef44%2Fjajal-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/areef44/jajal-rust on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/areef44/jajal-rust
[INFO] finished tweaking git repo https://github.com/areef44/jajal-rust
[INFO] tweaked toml for git repo https://github.com/areef44/jajal-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/areef44/jajal-rust 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2386262dfde83cc19a503dfd14f4fa977368e83a4d0a3d19233f641ff1c3b4f0
[INFO] running `Command { std: "docker" "start" "-a" "2386262dfde83cc19a503dfd14f4fa977368e83a4d0a3d19233f641ff1c3b4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2386262dfde83cc19a503dfd14f4fa977368e83a4d0a3d19233f641ff1c3b4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2386262dfde83cc19a503dfd14f4fa977368e83a4d0a3d19233f641ff1c3b4f0", kill_on_drop: false }`
[INFO] [stdout] 2386262dfde83cc19a503dfd14f4fa977368e83a4d0a3d19233f641ff1c3b4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 422f3eeab4402315dae5d9135b1d191d17e18afa92428ef8c3ca8b9cbc69bcac
[INFO] running `Command { std: "docker" "start" "-a" "422f3eeab4402315dae5d9135b1d191d17e18afa92428ef8c3ca8b9cbc69bcac", kill_on_drop: false }`
[INFO] [stderr]     Checking belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `first::say_hello`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use first::say_hello;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as say_hello_second`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use second::say_hello as say_hello_second;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::User`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use model::User;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `HashSet`, `LinkedList`, `Ref`, `VecDeque`, `result`, `thread::Result`, and `vec`
[INFO] [stdout]     --> src/main.rs:1329:18
[INFO] [stdout]      |
[INFO] [stdout] 1329 | ...::{Ref, RefCell}, collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque}, fmt::{Debug, Formatter}, ops::Deref, rc::Rc, result, thread::Result, vec};
[INFO] [stdout]      |       ^^^                          ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^                                                ^^^^^^  ^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1911:14
[INFO] [stdout]      |
[INFO] [stdout] 1911 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iterate`
[INFO] [stdout]     --> src/main.rs:1932:14
[INFO] [stdout]      |
[INFO] [stdout] 1932 | macro_rules! iterate {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ref`, `result`, and `thread::Result`
[INFO] [stdout]     --> src/main.rs:1329:18
[INFO] [stdout]      |
[INFO] [stdout] 1329 | ...::{Ref, RefCell}, collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque}, fmt::{Debug, Formatter}, ops::Deref, rc::Rc, result, thread::Result, v...
[INFO] [stdout]      |       ^^^                                                                                                                                    ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM` is never used
[INFO] [stdout]    --> src/main.rs:282:7
[INFO] [stdout]     |
[INFO] [stdout] 282 | const MAXIMUM: i32 = 100;
[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:308:4
[INFO] [stdout]     |
[INFO] [stdout] 308 | fn function_a(){
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:558:4
[INFO] [stdout]     |
[INFO] [stdout] 558 | fn say_goodbye(first_name: &str, last_name: &str){
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:569:4
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn factorial_loop(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn print_text(value: String, times: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursive` is never used
[INFO] [stdout]    --> src/main.rs:607:4
[INFO] [stdout]     |
[INFO] [stdout] 607 | fn factorial_recursive(n: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:621:4
[INFO] [stdout]     |
[INFO] [stdout] 621 | fn print_number(number: i32){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:625:4
[INFO] [stdout]     |
[INFO] [stdout] 625 | fn hi(name: String){
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:640:4
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn full_name(first_name: String, last_name: String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_ownership` is never used
[INFO] [stdout]    --> src/main.rs:655:4
[INFO] [stdout]     |
[INFO] [stdout] 655 | fn full_name_ownership(first_name: String, last_name: String) -> (String,String,String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_reference` is never used
[INFO] [stdout]    --> src/main.rs:674:4
[INFO] [stdout]     |
[INFO] [stdout] 674 | fn full_name_reference(first_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:690:4
[INFO] [stdout]     |
[INFO] [stdout] 690 | 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:726:8
[INFO] [stdout]     |
[INFO] [stdout] 726 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:734:8
[INFO] [stdout]     |
[INFO] [stdout] 733 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 734 |     fn say_hello(&self, name: &str){
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:739:4
[INFO] [stdout]     |
[INFO] [stdout] 739 | fn print_person(person: &Person){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:792:8
[INFO] [stdout]     |
[INFO] [stdout] 792 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:795:8
[INFO] [stdout]     |
[INFO] [stdout] 794 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 795 |     fn new(long: f64, lat: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kosong` is never constructed
[INFO] [stdout]    --> src/main.rs:808:8
[INFO] [stdout]     |
[INFO] [stdout] 808 | struct Kosong;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:836:6
[INFO] [stdout]     |
[INFO] [stdout] 836 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:860:6
[INFO] [stdout]     |
[INFO] [stdout] 860 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:868:8
[INFO] [stdout]     |
[INFO] [stdout] 866 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 867 |     // destructuring enum data patterns
[INFO] [stdout] 868 |     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:1017:6
[INFO] [stdout]      |
[INFO] [stdout] 1017 | type Age = u8;
[INFO] [stdout]      |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IdentityNumber` is never used
[INFO] [stdout]     --> src/main.rs:1018:6
[INFO] [stdout]      |
[INFO] [stdout] 1018 | type IdentityNumber = String;
[INFO] [stdout]      |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Customer` is never constructed
[INFO] [stdout]     --> src/main.rs:1020:8
[INFO] [stdout]      |
[INFO] [stdout] 1020 | struct Customer {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pelanggan` is never used
[INFO] [stdout]     --> src/main.rs:1026:6
[INFO] [stdout]      |
[INFO] [stdout] 1026 | type Pelanggan = Customer;
[INFO] [stdout]      |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]     --> src/main.rs:1040:7
[INFO] [stdout]      |
[INFO] [stdout] 1040 | trait CanSayHello {
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]     --> src/main.rs:1057:4
[INFO] [stdout]      |
[INFO] [stdout] 1057 | fn say_hello_trait(value: &impl CanSayHello){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodBye` is never used
[INFO] [stdout]     --> src/main.rs:1062:8
[INFO] [stdout]      |
[INFO] [stdout] 1062 | trait  CanSayGoodBye {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_goodbye` is never used
[INFO] [stdout]     --> src/main.rs:1077:4
[INFO] [stdout]      |
[INFO] [stdout] 1077 | 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:1110:8
[INFO] [stdout]      |
[INFO] [stdout] 1110 | struct SimplePerson {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_person` is never used
[INFO] [stdout]     --> src/main.rs:1124:4
[INFO] [stdout]      |
[INFO] [stdout] 1124 | fn create_person(name:String) -> impl CanSayGoodBye{
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]     --> src/main.rs:1136:8
[INFO] [stdout]      |
[INFO] [stdout] 1136 | struct Point<T> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]     --> src/main.rs:1157:6
[INFO] [stdout]      |
[INFO] [stdout] 1157 | enum Value<T> {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]     --> src/main.rs:1175:8
[INFO] [stdout]      |
[INFO] [stdout] 1175 | struct Hi<T: CanSayGoodBye>{
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1189:4
[INFO] [stdout]      |
[INFO] [stdout] 1189 | fn min<T: PartialOrd>(value1: T, value2: T) -> T {
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_x` and `get_y` are never used
[INFO] [stdout]     --> src/main.rs:1204:8
[INFO] [stdout]      |
[INFO] [stdout] 1203 | impl<T> Point<T> {
[INFO] [stdout]      | ---------------- methods in this implementation
[INFO] [stdout] 1204 |     fn get_x(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1207 |     fn get_y(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1220:7
[INFO] [stdout]      |
[INFO] [stdout] 1220 | trait GetValue<T> where T: PartialOrd{
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PointX` is never constructed
[INFO] [stdout]     --> src/main.rs:1231:8
[INFO] [stdout]      |
[INFO] [stdout] 1231 | struct PointX<T = i32> {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]     --> src/main.rs:1274:4
[INFO] [stdout]      |
[INFO] [stdout] 1274 | fn double(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]      |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]     --> src/main.rs:1331:8
[INFO] [stdout]      |
[INFO] [stdout] 1331 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_filter` is never used
[INFO] [stdout]     --> src/main.rs:1367:4
[INFO] [stdout]      |
[INFO] [stdout] 1367 | 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:1381:4
[INFO] [stdout]      |
[INFO] [stdout] 1381 | fn to_uppercase(value: String) -> String {
[INFO] [stdout]      |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]     --> src/main.rs:1390:8
[INFO] [stdout]      |
[INFO] [stdout] 1390 | struct Counter {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment` is never used
[INFO] [stdout]     --> src/main.rs:1395:8
[INFO] [stdout]      |
[INFO] [stdout] 1394 | impl Counter {
[INFO] [stdout]      | ------------ method in this implementation
[INFO] [stdout] 1395 |     fn increment(&mut self){
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_database` is never used
[INFO] [stdout]     --> src/main.rs:1547:4
[INFO] [stdout]      |
[INFO] [stdout] 1547 | fn connect_database(host: Option<String>){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]     --> src/main.rs:1625:4
[INFO] [stdout]      |
[INFO] [stdout] 1625 | fn longest<'a>(value1: &'a str, value2: &'a str) -> &'a str{
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime_annotation_dangling_reference` is never used
[INFO] [stdout]     --> src/main.rs:1641:4
[INFO] [stdout]      |
[INFO] [stdout] 1641 | fn test_lifetime_annotation_dangling_reference(){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]     --> src/main.rs:1654:8
[INFO] [stdout]      |
[INFO] [stdout] 1654 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_name` is never used
[INFO] [stdout]     --> src/main.rs:1661:8
[INFO] [stdout]      |
[INFO] [stdout] 1660 | impl<'a, 'b> Student<'a, 'b>{
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] 1661 |     fn longest_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:1670:4
[INFO] [stdout]      |
[INFO] [stdout] 1670 | 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: struct `Teacher` is never constructed
[INFO] [stdout]     --> src/main.rs:1697:8
[INFO] [stdout]      |
[INFO] [stdout] 1697 | struct Teacher<'a, ID>
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:1713:8
[INFO] [stdout]      |
[INFO] [stdout] 1713 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number` is never used
[INFO] [stdout]     --> src/main.rs:1750:4
[INFO] [stdout]      |
[INFO] [stdout] 1750 | fn display_number(value: i32){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number_reference` is never used
[INFO] [stdout]     --> src/main.rs:1754:4
[INFO] [stdout]      |
[INFO] [stdout] 1754 | fn display_number_reference(value: &i32){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProductCategory` is never used
[INFO] [stdout]     --> src/main.rs:1761:6
[INFO] [stdout]      |
[INFO] [stdout] 1761 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_category` is never used
[INFO] [stdout]     --> src/main.rs:1778:4
[INFO] [stdout]      |
[INFO] [stdout] 1778 | fn print_category(category: &ProductCategory){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1794:8
[INFO] [stdout]      |
[INFO] [stdout] 1794 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_reference` is never used
[INFO] [stdout]     --> src/main.rs:1813:4
[INFO] [stdout]      |
[INFO] [stdout] 1813 | fn say_hello_reference(name: &String){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]     --> src/main.rs:1826:8
[INFO] [stdout]      |
[INFO] [stdout] 1826 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:1843:7
[INFO] [stdout]      |
[INFO] [stdout] 1843 |  enum Brand {
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:1866:8
[INFO] [stdout]      |
[INFO] [stdout] 1866 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `APPLICATION` is never used
[INFO] [stdout]     --> src/main.rs:1886:8
[INFO] [stdout]      |
[INFO] [stdout] 1886 | static APPLICATION: &str = "My Application";
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]     --> src/main.rs:1893:12
[INFO] [stdout]      |
[INFO] [stdout] 1893 | static mut COUNTER: u32 = 0;
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]     --> src/main.rs:1895:11
[INFO] [stdout]      |
[INFO] [stdout] 1895 | unsafe fn increment(){
[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:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn say_hello(){
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/second.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello(){
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/model.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]   --> src/model.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 10 |     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: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1617:13
[INFO] [stdout]      |
[INFO] [stdout] 1617 |         let x = 5;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1853:9
[INFO] [stdout]      |
[INFO] [stdout] 1853 |     let laptop:Brand= Brand::Of("Laptop".to_string(), Rc::clone(&apple));
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `smartphone`
[INFO] [stdout]     --> src/main.rs:1857:13
[INFO] [stdout]      |
[INFO] [stdout] 1857 |         let smartphone:Brand= Brand::Of("Smartphone".to_string(), Rc::clone(&apple));
[INFO] [stdout]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Premium` and `Platinum` are never constructed
[INFO] [stdout]    --> src/main.rs:838:5
[INFO] [stdout]     |
[INFO] [stdout] 836 | enum Level {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 837 |     Regular,
[INFO] [stdout] 838 |     Premium,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 839 |     Platinum,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pelanggan` is never used
[INFO] [stdout]     --> src/main.rs:1026:6
[INFO] [stdout]      |
[INFO] [stdout] 1026 | type Pelanggan = Customer;
[INFO] [stdout]      |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]     --> src/main.rs:1158:5
[INFO] [stdout]      |
[INFO] [stdout] 1157 | enum Value<T> {
[INFO] [stdout]      |      ----- variant in this enum
[INFO] [stdout] 1158 |     NONE,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_lifetime_annotation_dangling_reference` is never used
[INFO] [stdout]     --> src/main.rs:1641:4
[INFO] [stdout]      |
[INFO] [stdout] 1641 | fn test_lifetime_annotation_dangling_reference(){
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_name` is never read
[INFO] [stdout]     --> src/main.rs:1656:5
[INFO] [stdout]      |
[INFO] [stdout] 1654 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ------- field in this struct
[INFO] [stdout] 1655 |     name: &'a str,
[INFO] [stdout] 1656 |     last_name: &'b str
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1762:8
[INFO] [stdout]      |
[INFO] [stdout] 1762 |     Of(String, Box<ProductCategory>),
[INFO] [stdout]      |     -- ^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     fields in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]      |
[INFO] [stdout] 1762 -     Of(String, Box<ProductCategory>),
[INFO] [stdout] 1762 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1844:8
[INFO] [stdout]      |
[INFO] [stdout] 1844 |     Of(String, Rc<Brand>),
[INFO] [stdout]      |     -- ^^^^^^  ^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     fields in this variant
[INFO] [stdout]      |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]      |
[INFO] [stdout] 1844 -     Of(String, Rc<Brand>),
[INFO] [stdout] 1844 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]     --> src/main.rs:1868:5
[INFO] [stdout]      |
[INFO] [stdout] 1866 | struct Seller {
[INFO] [stdout]      |        ------ field in this struct
[INFO] [stdout] 1867 |     name: RefCell<String>,
[INFO] [stdout] 1868 |     active: RefCell<bool>
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Seller` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `username`, `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 |     pub first_name: String,
[INFO] [stdout] 3 |     pub last_name: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub username: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `realValue` should have a snake case name
[INFO] [stdout]     --> src/main.rs:1809:9
[INFO] [stdout]      |
[INFO] [stdout] 1809 |     let realValue: i32 = *value;
[INFO] [stdout]      |         ^^^^^^^^^ help: convert the identifier to snake case: `real_value`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]     --> src/main.rs:1904:34
[INFO] [stdout]      |
[INFO] [stdout] 1904 |         println!("Counter : {}", COUNTER);
[INFO] [stdout]      |                                  ^^^^^^^ shared reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "422f3eeab4402315dae5d9135b1d191d17e18afa92428ef8c3ca8b9cbc69bcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422f3eeab4402315dae5d9135b1d191d17e18afa92428ef8c3ca8b9cbc69bcac", kill_on_drop: false }`
[INFO] [stdout] 422f3eeab4402315dae5d9135b1d191d17e18afa92428ef8c3ca8b9cbc69bcac