[INFO] cloning repository https://github.com/vangs4t/collection
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vangs4t/collection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangs4t%2Fcollection", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangs4t%2Fcollection'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995f85dac8146d14b68fa34a0c4e0399d6c8de4f
[INFO] checking vangs4t/collection against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangs4t%2Fcollection" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vangs4t/collection
[INFO] finished tweaking git repo https://github.com/vangs4t/collection
[INFO] tweaked toml for git repo https://github.com/vangs4t/collection written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vangs4t/collection on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vangs4t/collection 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b267efca0f9160009a0f1ada658d32eddf23e7d6bb5b167674ecfbe5d2c18b8
[INFO] running `Command { std: "docker" "start" "-a" "8b267efca0f9160009a0f1ada658d32eddf23e7d6bb5b167674ecfbe5d2c18b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b267efca0f9160009a0f1ada658d32eddf23e7d6bb5b167674ecfbe5d2c18b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b267efca0f9160009a0f1ada658d32eddf23e7d6bb5b167674ecfbe5d2c18b8", kill_on_drop: false }`
[INFO] [stdout] 8b267efca0f9160009a0f1ada658d32eddf23e7d6bb5b167674ecfbe5d2c18b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea779905bdcb41f5fd4bde6b5a5d27e28c905e4bd1552eb4088818f1886b5ce8
[INFO] running `Command { std: "docker" "start" "-a" "ea779905bdcb41f5fd4bde6b5a5d27e28c905e4bd1552eb4088818f1886b5ce8", kill_on_drop: false }`
[INFO] [stderr]     Checking collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/exception.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[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 imports: `AddAssign`, `Rc`, `result`, and `self`
[INFO] [stdout]  --> src/lifetime.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt::Debug, ops::{AddAssign, Deref}, rc::{self, Rc}, result};
[INFO] [stdout]   |                             ^^^^^^^^^               ^^^^  ^^   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/lifetime.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]    --> src/lifetime.rs:287:14
[INFO] [stdout]     |
[INFO] [stdout] 287 | 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 import: `core::num`
[INFO] [stdout]  --> src/ulangan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `collections::HashMap`, and `rc::Rc`
[INFO] [stdout]  --> src/ulangan.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell::RefCell, collections::HashMap, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/exception.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[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 imports: `AddAssign`, `result`, and `self`
[INFO] [stdout]  --> src/lifetime.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt::Debug, ops::{AddAssign, Deref}, rc::{self, Rc}, result};
[INFO] [stdout]   |                             ^^^^^^^^^               ^^^^       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/ulangan.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `lifetime::old_function`
[INFO] [stdout]   --> src/lifetime.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     old_function();
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/exception.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Some(msg) => Ok("connected to database".to_string()),
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/exception.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Some(msg) => Ok("Login..".to_string()),
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_bonus` is never used
[INFO] [stdout]  --> src/intermediate.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn filter_bonus(gaji: Vec<i32>) -> Vec<i32> {
[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 `total` is never used
[INFO] [stdout]   --> src/intermediate.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn total(harga: Vec<i32>) -> i32 { 
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hitung_pajak` is never used
[INFO] [stdout]  --> src/exception.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn hitung_pajak(gaji: Vec<u32>) -> Result<Vec<u32>, String>{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_angka` is never used
[INFO] [stdout]   --> src/exception.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_angka(data: Vec<&str>) -> Result<Vec<i32>, String>{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_five_digit_number` is never used
[INFO] [stdout]   --> src/exception.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn largest_five_digit_number(num: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `database_connection` is never used
[INFO] [stdout]   --> src/exception.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn database_connection(host :Option<String>) -> Result<String, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `emails` is never used
[INFO] [stdout]   --> src/exception.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn emails(host :Option<String>) -> Result<String, String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reference` is never used
[INFO] [stdout]  --> src/lifetime.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn reference<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Capture` is never constructed
[INFO] [stdout]   --> src/lifetime.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Capture<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `view_merek` is never used
[INFO] [stdout]   --> src/lifetime.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'a> Capture<'a> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn view_merek(&self, names: &'a str) -> &'a str{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/lifetime.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct User{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `old_function` is never used
[INFO] [stdout]   --> src/lifetime.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn old_function() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_angka` is never used
[INFO] [stdout]   --> src/lifetime.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn parse_angka(data: Vec<&str>) -> Result<Vec<i32>, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LoginError` is never used
[INFO] [stdout]   --> src/lifetime.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum LoginError{
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `login` is never used
[INFO] [stdout]    --> src/lifetime.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn login(user: &str, pass: &str) -> Result<String, LoginError>{
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]    --> src/lifetime.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum List{
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `chains` is never used
[INFO] [stdout]    --> src/lifetime.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl List {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 117 |     fn chains(){
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct File{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct Counter{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]    --> src/lifetime.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pesan` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | struct Pesan<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buat_pesan` is never used
[INFO] [stdout]    --> src/lifetime.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn buat_pesan<'a>(input: &'a String) -> Pesan<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Task` is never used
[INFO] [stdout]    --> src/lifetime.rs:203:7
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait Task {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrintTask` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | struct PrintTask{
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddTask` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | struct AddTask{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Buah` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 | struct Buah<T>{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout] 244 | struct Database{
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hitung_luas` is never used
[INFO] [stdout]   --> src/ulangan.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn hitung_luas(panjang: i32, lebar: i32) -> i32{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_data` is never used
[INFO] [stdout]   --> src/ulangan.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get_data(nama: String, umur: u8, aktif: bool) -> (String, u8, bool) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Buku` is never constructed
[INFO] [stdout]   --> src/ulangan.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Buku{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/ulangan.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl Buku {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 88 |     fn description(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Lampu` is never used
[INFO] [stdout]    --> src/ulangan.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | enum Lampu {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fungsi` is never used
[INFO] [stdout]    --> src/ulangan.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Lampu {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 113 |     fn fungsi(&self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_len` is never used
[INFO] [stdout]    --> src/ulangan.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn get_len(input :&String){
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_leni` is never used
[INFO] [stdout]    --> src/ulangan.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn get_leni(input :String){
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_assign` is never used
[INFO] [stdout]    --> src/ulangan.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn add_assign(input: &mut String) -> &mut String{
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `potongan` is never used
[INFO] [stdout]    --> src/ulangan.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn potongan(input: &str) -> &str {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/ulangan.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | struct User{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `literly` is never used
[INFO] [stdout]    --> src/ulangan.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn literly(a: &str, b: &str) -> String{
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/exception.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Some(msg) => Ok("connected to database".to_string()),
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/exception.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Some(msg) => Ok("Login..".to_string()),
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasil`
[INFO] [stdout]   --> src/lifetime.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let hasil = result.clone();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hasil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lifetime.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let result = Database{
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result1`
[INFO] [stdout]    --> src/lifetime.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let result1 = Database{ host: String::from("Connect to database 2")};
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hail`
[INFO] [stdout]  --> src/smart.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let hail = result.clone();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ulangan.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut text = &mut hasil;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ulangan.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let c = a.clone(); // 
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/ulangan.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let b = a.clone();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/ulangan.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let c = a.clone();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut i = 0;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let result = vektor.iter().map(kali_dua);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iters`
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let iters = names.iter().map(format_nama);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_iters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `database_connection` is never used
[INFO] [stdout]   --> src/exception.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn database_connection(host :Option<String>) -> Result<String, String> {
[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 `emails` is never used
[INFO] [stdout]   --> src/exception.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn emails(host :Option<String>) -> Result<String, String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `umur` are never read
[INFO] [stdout]   --> src/lifetime.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct User{
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 54 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     umur: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LoginError` is never used
[INFO] [stdout]   --> src/lifetime.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum LoginError{
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `login` is never used
[INFO] [stdout]    --> src/lifetime.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn login(user: &str, pass: &str) -> Result<String, LoginError>{
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/lifetime.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |     Node(i32, Box<List>),
[INFO] [stdout]     |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `List` 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] 112 -     Node(i32, Box<List>),
[INFO] [stdout] 112 +     Node((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `number` are never read
[INFO] [stdout]    --> src/lifetime.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct File{
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 132 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 133 |     number: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]    --> src/lifetime.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pesan` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | struct Pesan<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buat_pesan` is never used
[INFO] [stdout]    --> src/lifetime.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn buat_pesan<'a>(input: &'a String) -> Pesan<'a> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Task` is never used
[INFO] [stdout]    --> src/lifetime.rs:203:7
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait Task {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrintTask` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | struct PrintTask{
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddTask` is never constructed
[INFO] [stdout]    --> src/lifetime.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | struct AddTask{
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hitung_luas` is never used
[INFO] [stdout]   --> src/ulangan.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn hitung_luas(panjang: i32, lebar: i32) -> i32{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Kuning` and `Hijau` are never constructed
[INFO] [stdout]    --> src/ulangan.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | enum Lampu {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 107 |     Merah,
[INFO] [stdout] 108 |     Kuning,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 109 |     Hijau
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_leni` is never used
[INFO] [stdout]    --> src/ulangan.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn get_leni(input :String){
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ea779905bdcb41f5fd4bde6b5a5d27e28c905e4bd1552eb4088818f1886b5ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea779905bdcb41f5fd4bde6b5a5d27e28c905e4bd1552eb4088818f1886b5ce8", kill_on_drop: false }`
[INFO] [stdout] ea779905bdcb41f5fd4bde6b5a5d27e28c905e4bd1552eb4088818f1886b5ce8