[INFO] cloning repository https://github.com/setiadijoe/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/setiadijoe/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetiadijoe%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetiadijoe%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8873ccbb23aead38ada66c57a31fa08a30eaf5e5
[INFO] testing setiadijoe/belajar-rust-dasar against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsetiadijoe%2Fbelajar-rust-dasar" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/setiadijoe/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/setiadijoe/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/setiadijoe/belajar-rust-dasar written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/setiadijoe/belajar-rust-dasar on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/setiadijoe/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e55c9f5edc4a407ce47ecba6e170f07a0809bf8421ae14413ff2dfdb262f67f
[INFO] running `Command { std: "docker" "start" "-a" "0e55c9f5edc4a407ce47ecba6e170f07a0809bf8421ae14413ff2dfdb262f67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e55c9f5edc4a407ce47ecba6e170f07a0809bf8421ae14413ff2dfdb262f67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e55c9f5edc4a407ce47ecba6e170f07a0809bf8421ae14413ff2dfdb262f67f", kill_on_drop: false }`
[INFO] [stdout] 0e55c9f5edc4a407ce47ecba6e170f07a0809bf8421ae14413ff2dfdb262f67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c60e4e78fa3d10ddc7eeda60314c46f9b4a89a1fc959ddbf20db2418f162594
[INFO] running `Command { std: "docker" "start" "-a" "5c60e4e78fa3d10ddc7eeda60314c46f9b4a89a1fc959ddbf20db2418f162594", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/main.rs:937:1
[INFO] [stdout]     |
[INFO] [stdout] 937 | #[test]
[INFO] [stdout]     | ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(duplicate_macro_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first::hello`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use first::hello;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::hello as hello_second`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use second::hello as hello_second;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::User`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use model::User;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]     --> src/main.rs:1019:5
[INFO] [stdout]      |
[INFO] [stdout] 1019 | use std::collections::VecDeque;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]     --> src/main.rs:1033:5
[INFO] [stdout]      |
[INFO] [stdout] 1033 | use std::collections::LinkedList;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]     --> src/main.rs:1051:5
[INFO] [stdout]      |
[INFO] [stdout] 1051 | use std::collections::HashMap;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]     --> src/main.rs:1066:5
[INFO] [stdout]      |
[INFO] [stdout] 1066 | use std::collections::BTreeMap;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]     --> src/main.rs:1079:5
[INFO] [stdout]      |
[INFO] [stdout] 1079 | use std::collections::HashSet;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]     --> src/main.rs:1094:5
[INFO] [stdout]      |
[INFO] [stdout] 1094 | use std::collections::BTreeSet;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]     --> src/main.rs:1142:11
[INFO] [stdout]      |
[INFO] [stdout] 1142 |     match (host) {
[INFO] [stdout]      |           ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1142 -     match (host) {
[INFO] [stdout] 1142 +     match host  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1451:14
[INFO] [stdout]      |
[INFO] [stdout] 1451 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iterate`
[INFO] [stdout]     --> src/main.rs:1469:14
[INFO] [stdout]      |
[INFO] [stdout] 1469 | macro_rules! iterate {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_a` is never used
[INFO] [stdout]    --> src/main.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn function_a() {
[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 `function_b` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn factorial_loop(n:i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:256:4
[INFO] [stdout]     |
[INFO] [stdout] 256 | fn print_number(number: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn hi(str: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fullname` is never used
[INFO] [stdout]    --> src/main.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn fullname(first: &String, last: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]    --> src/main.rs:293:4
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn change_value(value: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_fullname` is never used
[INFO] [stdout]    --> src/main.rs:304:4
[INFO] [stdout]     |
[INFO] [stdout] 304 | fn get_fullname(first: &String, last: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:369:8
[INFO] [stdout]     |
[INFO] [stdout] 369 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:380:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 380 |     fn say_hello(&self, name: &str) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:398:8
[INFO] [stdout]     |
[INFO] [stdout] 397 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 398 |     fn new(long: f64, lat: f64) ->GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:409:6
[INFO] [stdout]     |
[INFO] [stdout] 409 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:415:6
[INFO] [stdout]     |
[INFO] [stdout] 415 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:422:8
[INFO] [stdout]     |
[INFO] [stdout] 421 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 422 |     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:518:6
[INFO] [stdout]     |
[INFO] [stdout] 518 | type Age = u8;
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IdentityNumber` is never used
[INFO] [stdout]    --> src/main.rs:519:6
[INFO] [stdout]     |
[INFO] [stdout] 519 | type IdentityNumber = String;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Costumer` is never constructed
[INFO] [stdout]    --> src/main.rs:521:8
[INFO] [stdout]     |
[INFO] [stdout] 521 | struct Costumer {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]    --> src/main.rs:539:7
[INFO] [stdout]     |
[INFO] [stdout] 539 | trait CanSayHello {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodbye` is never used
[INFO] [stdout]    --> src/main.rs:547:7
[INFO] [stdout]     |
[INFO] [stdout] 547 | trait CanSayGoodbye {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_say_hello` is never used
[INFO] [stdout]    --> src/main.rs:572:4
[INFO] [stdout]     |
[INFO] [stdout] 572 | fn can_say_hello(person: &impl CanSayHello) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:576:4
[INFO] [stdout]     |
[INFO] [stdout] 576 | fn say_hello_goodbye(value: &(impl CanSayHello + CanSayGoodbye)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimplePerson` is never constructed
[INFO] [stdout]    --> src/main.rs:602:8
[INFO] [stdout]     |
[INFO] [stdout] 602 | struct SimplePerson {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_simple_person` is never used
[INFO] [stdout]    --> src/main.rs:616:4
[INFO] [stdout]     |
[INFO] [stdout] 616 | fn create_simple_person(name: String) -> impl CanSayHello {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]    --> src/main.rs:627:7
[INFO] [stdout]     |
[INFO] [stdout] 627 | trait CanSay: CanSayHello + CanSayGoodbye {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]    --> src/main.rs:631:8
[INFO] [stdout]     |
[INFO] [stdout] 631 | struct SimpleMan {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]    --> src/main.rs:673:8
[INFO] [stdout]     |
[INFO] [stdout] 673 | struct Point<T = i32> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> src/main.rs:695:6
[INFO] [stdout]     |
[INFO] [stdout] 695 | enum Value<T> {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]    --> src/main.rs:714:8
[INFO] [stdout]     |
[INFO] [stdout] 714 | struct Hi<T: CanSayHello> {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]    --> src/main.rs:730:4
[INFO] [stdout]     |
[INFO] [stdout] 730 | fn min<T: PartialOrd>(a: T, b: T) -> T {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_x`, and `get_y` are never used
[INFO] [stdout]    --> src/main.rs:754:8
[INFO] [stdout]     |
[INFO] [stdout] 753 | impl<T> Point<T> {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 754 |     fn new(x: T, y: T) -> Point<T> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 758 |     fn get_x(&self) -> &T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 762 |     fn get_y(&self) -> &T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]    --> src/main.rs:777:7
[INFO] [stdout]     |
[INFO] [stdout] 777 | trait GetValue<T> where T: PartialOrd {
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Apple` is never constructed
[INFO] [stdout]    --> src/main.rs:793:8
[INFO] [stdout]     |
[INFO] [stdout] 793 | struct Apple {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]    --> src/main.rs:832:4
[INFO] [stdout]     |
[INFO] [stdout] 832 | fn double(value: Option<i32>) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]    --> src/main.rs:902:8
[INFO] [stdout]     |
[INFO] [stdout] 902 | struct Category {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_filter` is never used
[INFO] [stdout]    --> src/main.rs:948:4
[INFO] [stdout]     |
[INFO] [stdout] 948 | fn print_with_filter(value: String, filter: fn(String) -> String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/main.rs:972:8
[INFO] [stdout]     |
[INFO] [stdout] 972 | struct Counter {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `increment`, and `get_count` are never used
[INFO] [stdout]    --> src/main.rs:976:8
[INFO] [stdout]     |
[INFO] [stdout] 975 | impl Counter {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 976 |     fn new() -> Counter {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 980 |     fn increment(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 984 |     fn get_count(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_database` is never used
[INFO] [stdout]     --> src/main.rs:1141:4
[INFO] [stdout]      |
[INFO] [stdout] 1141 | 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:1160:4
[INFO] [stdout]      |
[INFO] [stdout] 1160 | 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:1184:4
[INFO] [stdout]      |
[INFO] [stdout] 1184 | fn connect_email(host: 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:1195:4
[INFO] [stdout]      |
[INFO] [stdout] 1195 | 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:1228:4
[INFO] [stdout]      |
[INFO] [stdout] 1228 | 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:1246:8
[INFO] [stdout]      |
[INFO] [stdout] 1246 | struct Student<'a> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_name` is never used
[INFO] [stdout]     --> src/main.rs:1251:8
[INFO] [stdout]      |
[INFO] [stdout] 1250 | impl<'a> Student<'a> {
[INFO] [stdout]      | -------------------- method in this implementation
[INFO] [stdout] 1251 |     fn longest_name(&self, student: &Student<'a>) -> &'a str {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:1260:4
[INFO] [stdout]      |
[INFO] [stdout] 1260 | fn longest_student_name<'a>(student1: &Student<'a>, student2 :&Student<'a>) -> &'a str {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Teacher` is never constructed
[INFO] [stdout]     --> src/main.rs:1284:8
[INFO] [stdout]      |
[INFO] [stdout] 1284 | struct Teacher <'a, ID> where ID : Ord {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:1301:8
[INFO] [stdout]      |
[INFO] [stdout] 1301 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number` is never used
[INFO] [stdout]     --> src/main.rs:1327:4
[INFO] [stdout]      |
[INFO] [stdout] 1327 | 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:1331:4
[INFO] [stdout]      |
[INFO] [stdout] 1331 | 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:1336:6
[INFO] [stdout]      |
[INFO] [stdout] 1336 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1354:8
[INFO] [stdout]      |
[INFO] [stdout] 1354 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_hello_name` is never used
[INFO] [stdout]     --> src/main.rs:1366:4
[INFO] [stdout]      |
[INFO] [stdout] 1366 | fn call_hello_name(name: &String) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]     --> src/main.rs:1382:8
[INFO] [stdout]      |
[INFO] [stdout] 1382 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:1403:6
[INFO] [stdout]      |
[INFO] [stdout] 1403 | enum Brand {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:1432:8
[INFO] [stdout]      |
[INFO] [stdout] 1432 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn hello() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]   --> src/first.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn hello() {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/second.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn 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: associated items `say_hello` and `create_person` are never used
[INFO] [stdout]   --> src/model.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl User{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn say_hello(&self, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn create_person(first_name: String, last_name: String, username: String, email: String, age: u8) -> User {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/third.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn hello() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "5c60e4e78fa3d10ddc7eeda60314c46f9b4a89a1fc959ddbf20db2418f162594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c60e4e78fa3d10ddc7eeda60314c46f9b4a89a1fc959ddbf20db2418f162594", kill_on_drop: false }`
[INFO] [stdout] 5c60e4e78fa3d10ddc7eeda60314c46f9b4a89a1fc959ddbf20db2418f162594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c338b37b65a314fc76f2356322a752f99b7c901d2902e5eca0f7bf989192a85f
[INFO] running `Command { std: "docker" "start" "-a" "c338b37b65a314fc76f2356322a752f99b7c901d2902e5eca0f7bf989192a85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/main.rs:937:1
[INFO] [stdout]     |
[INFO] [stdout] 937 | #[test]
[INFO] [stdout]     | ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(duplicate_macro_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]     --> src/main.rs:1142:11
[INFO] [stdout]      |
[INFO] [stdout] 1142 |     match (host) {
[INFO] [stdout]      |           ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1142 -     match (host) {
[INFO] [stdout] 1142 +     match host  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1219:13
[INFO] [stdout]      |
[INFO] [stdout] 1219 |         let x = 5;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1418:9
[INFO] [stdout]      |
[INFO] [stdout] 1418 |     let laptop = 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:1422:13
[INFO] [stdout]      |
[INFO] [stdout] 1422 |         let smartphone = 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 `Regular` and `Platinum` are never constructed
[INFO] [stdout]    --> src/main.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 409 | enum Level {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 410 |     Regular,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 411 |     Premium,
[INFO] [stdout] 412 |     Platinum,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]    --> src/main.rs:696:5
[INFO] [stdout]     |
[INFO] [stdout] 695 | enum Value<T> {
[INFO] [stdout]     |      ----- variant in this enum
[INFO] [stdout] 696 |     NONE,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1337:8
[INFO] [stdout]      |
[INFO] [stdout] 1337 |     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] 1337 -     Of(String, Box<ProductCategory>),
[INFO] [stdout] 1337 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1404:8
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     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] 1404 -     Of(String, Rc<Brand>),
[INFO] [stdout] 1404 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `username`, `email`, and `age` are never read
[INFO] [stdout]  --> src/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     first_name: String,
[INFO] [stdout] 3 |     last_name: String,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     email: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     age: u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultMethod` should have a snake case name
[INFO] [stdout]     --> src/main.rs:1280:9
[INFO] [stdout]      |
[INFO] [stdout] 1280 |     let resultMethod = student1.longest_name(&student2);
[INFO] [stdout]      |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_method`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c338b37b65a314fc76f2356322a752f99b7c901d2902e5eca0f7bf989192a85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c338b37b65a314fc76f2356322a752f99b7c901d2902e5eca0f7bf989192a85f", kill_on_drop: false }`
[INFO] [stdout] c338b37b65a314fc76f2356322a752f99b7c901d2902e5eca0f7bf989192a85f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19862cd2e045342d0811aacd8ec90713a79a5a718e4e9aadc16cba13bcc52e88
[INFO] running `Command { std: "docker" "start" "-a" "19862cd2e045342d0811aacd8ec90713a79a5a718e4e9aadc16cba13bcc52e88", kill_on_drop: false }`
[INFO] [stderr] warning: duplicated attribute
[INFO] [stderr]    --> src/main.rs:937:1
[INFO] [stderr]     |
[INFO] [stderr] 937 | #[test]
[INFO] [stderr]     | ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(duplicate_macro_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]     --> src/main.rs:1142:11
[INFO] [stderr]      |
[INFO] [stderr] 1142 |     match (host) {
[INFO] [stderr]      |           ^    ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1142 -     match (host) {
[INFO] [stderr] 1142 +     match host  {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/main.rs:1219:13
[INFO] [stderr]      |
[INFO] [stderr] 1219 |         let x = 5;
[INFO] [stderr]      |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `laptop`
[INFO] [stderr]     --> src/main.rs:1418:9
[INFO] [stderr]      |
[INFO] [stderr] 1418 |     let laptop = Brand::Of("Laptop".to_string(), Rc::clone(&apple));
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `smartphone`
[INFO] [stderr]     --> src/main.rs:1422:13
[INFO] [stderr]      |
[INFO] [stderr] 1422 |         let smartphone = Brand::Of("Smartphone".to_string(), Rc::clone(&apple));
[INFO] [stderr]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Regular` and `Platinum` are never constructed
[INFO] [stderr]    --> src/main.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 409 | enum Level {
[INFO] [stderr]     |      ----- variants in this enum
[INFO] [stderr] 410 |     Regular,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 411 |     Premium,
[INFO] [stderr] 412 |     Platinum,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NONE` is never constructed
[INFO] [stderr]    --> src/main.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 695 | enum Value<T> {
[INFO] [stderr]     |      ----- variant in this enum
[INFO] [stderr] 696 |     NONE,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]     --> src/main.rs:1337:8
[INFO] [stderr]      |
[INFO] [stderr] 1337 |     Of(String, Box<ProductCategory>),
[INFO] [stderr]      |     -- ^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |     |
[INFO] [stderr]      |     fields in this variant
[INFO] [stderr]      |
[INFO] [stderr]      = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]      |
[INFO] [stderr] 1337 -     Of(String, Box<ProductCategory>),
[INFO] [stderr] 1337 +     Of((), ()),
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]     --> src/main.rs:1404:8
[INFO] [stderr]      |
[INFO] [stderr] 1404 |     Of(String, Rc<Brand>),
[INFO] [stderr]      |     -- ^^^^^^  ^^^^^^^^^
[INFO] [stderr]      |     |
[INFO] [stderr]      |     fields in this variant
[INFO] [stderr]      |
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]      |
[INFO] [stderr] 1404 -     Of(String, Rc<Brand>),
[INFO] [stderr] 1404 +     Of((), ()),
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `last_name`, `username`, `email`, and `age` are never read
[INFO] [stderr]  --> src/model.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct User {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 2 |     first_name: String,
[INFO] [stderr] 3 |     last_name: String,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 4 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     email: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 6 |     age: u8,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `resultMethod` should have a snake case name
[INFO] [stderr]     --> src/main.rs:1280:9
[INFO] [stderr]      |
[INFO] [stderr] 1280 |     let resultMethod = student1.longest_name(&student2);
[INFO] [stderr]      |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_method`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `belajar-rust-dasar` (bin "belajar-rust-dasar" test) generated 11 warnings (run `cargo fix --bin "belajar-rust-dasar" -p belajar-rust-dasar --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/belajar_rust_dasar-264945e174521d06)
[INFO] [stdout] 
[INFO] [stdout] running 78 tests
[INFO] [stdout] test array ... ok
[INFO] [stdout] test hello_test ... ok
[INFO] [stdout] test if_expression ... ok
[INFO] [stdout] test loop_expression ... ok
[INFO] [stdout] test range_inclusive ... ok
[INFO] [stdout] test slice_references ... ok
[INFO] [stdout] test array_iteration ... ok
[INFO] [stdout] test string_slice ... ok
[INFO] [stdout] test test_assosiated_function ... ok
[INFO] [stdout] test test_attribute_drive ... ok
[INFO] [stdout] test test_augmented ... ok
[INFO] [stdout] test test_box ... ok
[INFO] [stdout] test test_btree_set ... ok
[INFO] [stdout] test test_box_enum ... ok
[INFO] [stdout] test test_btreemap ... ok
[INFO] [stdout] test test_change_value ... ok
[INFO] [stdout] test stack_heap ... ok
[INFO] [stdout] test string_type ... ok
[INFO] [stdout] test test_closure ... ok
[INFO] [stdout] test test_closure ... ok
[INFO] [stdout] test test_closure_scope_using_struct ... ok
[INFO] [stdout] test test_comparisson ... ok
[INFO] [stdout] test test_connect_application ... ok
[INFO] [stdout] test test_connect_db ... ok
[INFO] [stdout] test test_customer ... ok
[INFO] [stdout] test test_dereference_trait ... ok
[INFO] [stdout] test test_drop_book ... ok
[INFO] [stdout] test test_formatting ... ok
[INFO] [stdout] test test_enum ... ok
[INFO] [stdout] test test_generic_enum ... ok
[INFO] [stdout] test range ... ok
[INFO] [stdout] test test_closure_parameter ... ok
[INFO] [stdout] test test_dangling_reference ... ok
[INFO] [stdout] test test_fullname ... ok
[INFO] [stdout] test ownership_movement ... ok
[INFO] [stdout] test loop_label ... ok
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_factorial_loop ... ok
[INFO] [stdout] test test_generic_method ... ok
[INFO] [stdout] test test_connect_cache ... ok
[INFO] [stdout] test test_generic_bound ... ok
[INFO] [stdout] test test_generic_struct ... ok
[INFO] [stdout] test test_longest_student ... ok
[INFO] [stdout] test test_get_fullname ... ok
[INFO] [stdout] test test_generic_function ... ok
[INFO] [stdout] test test_hash_set ... ok
[INFO] [stdout] test test_hashmap ... ok
[INFO] [stdout] test test_hi ... ok
[INFO] [stdout] test test_iterate_macro ... ok
[INFO] [stdout] test test_method ... ok
[INFO] [stdout] test test_module ... ok
[INFO] [stdout] test test_geopoint ... ok
[INFO] [stdout] test test_iterator_method ... ok
[INFO] [stdout] test test_lifetime_annotation ... ok
[INFO] [stdout] test test_lifetime_generic ... ok
[INFO] [stdout] test test_multiple_ownership ... ok
[INFO] [stdout] test test_mutable ... ok
[INFO] [stdout] test test_iterator ... ok
[INFO] [stdout] test test_number ... ok
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] test test_linked_list ... ok
[INFO] [stdout] test test_payment ... ok
[INFO] [stdout] test test_range_pattern ... ok
[INFO] [stdout] test test_closure_scope ... ok
[INFO] [stdout] test test_print_number ... ok
[INFO] [stdout] test test_string_manipulation ... ok
[INFO] [stdout] test test_reff_cell ... ok
[INFO] [stdout] test test_vector ... ok
[INFO] [stdout] test test_return_trait ... ok
[INFO] [stdout] test test_trait ... ok
[INFO] [stdout] test test_trait_object ... ok
[INFO] [stdout] test test_vector_deque ... ok
[INFO] [stdout] test test_struct_person ... ok
[INFO] [stdout] test test_use ... ok
[INFO] [stdout] test test_variable ... ok
[INFO] [stdout] test while_loop ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_match_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 78 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19862cd2e045342d0811aacd8ec90713a79a5a718e4e9aadc16cba13bcc52e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19862cd2e045342d0811aacd8ec90713a79a5a718e4e9aadc16cba13bcc52e88", kill_on_drop: false }`
[INFO] [stdout] 19862cd2e045342d0811aacd8ec90713a79a5a718e4e9aadc16cba13bcc52e88
