[INFO] cloning repository https://github.com/bambdv/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/bambdv/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbambdv%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbambdv%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6840d26b9a5f4ee4b1a52fc2220d9dc7c554ee23
[INFO] linting bambdv/belajar-rust-dasar against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbambdv%2Fbelajar-rust-dasar" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bambdv/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/bambdv/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/bambdv/belajar-rust-dasar written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bambdv/belajar-rust-dasar on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bambdv/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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16c4e034e6014d945acce1fd28af207d4d20744111eb5578af8135aa58c8abf
[INFO] running `Command { std: "docker" "start" "-a" "a16c4e034e6014d945acce1fd28af207d4d20744111eb5578af8135aa58c8abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16c4e034e6014d945acce1fd28af207d4d20744111eb5578af8135aa58c8abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16c4e034e6014d945acce1fd28af207d4d20744111eb5578af8135aa58c8abf", kill_on_drop: false }`
[INFO] [stdout] a16c4e034e6014d945acce1fd28af207d4d20744111eb5578af8135aa58c8abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c642bf6759a7a8b27b1eb8eca164f74a0c223ad0727a82ea66e6dd7e70d2c11
[INFO] running `Command { std: "docker" "start" "-a" "5c642bf6759a7a8b27b1eb8eca164f74a0c223ad0727a82ea66e6dd7e70d2c11", 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:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use first::say_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::say_hello as say_hello_second`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use second::say_hello as say_hello_second;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::*`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use model::*; // untuk mengambil semua member di modul, baik struct, type function dan lain-lain
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `HashSet`, `LinkedList`, `VecDeque`, and `result`
[INFO] [stdout]     --> src/main.rs:1205:19
[INFO] [stdout]      |
[INFO] [stdout] 1205 |     collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque},
[INFO] [stdout]      |                   ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1209 |     result,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1925:14
[INFO] [stdout]      |
[INFO] [stdout] 1925 | 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: `iteration`
[INFO] [stdout]     --> src/main.rs:1942:14
[INFO] [stdout]      |
[INFO] [stdout] 1942 | macro_rules! iteration {
[INFO] [stdout]      |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unit` is never used
[INFO] [stdout]    --> src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn unit() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MINIMUM` is never used
[INFO] [stdout]    --> src/main.rs:252:7
[INFO] [stdout]     |
[INFO] [stdout] 252 | const MINIMUM: i32 = 0;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_a` is never used
[INFO] [stdout]    --> src/main.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn function_a() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:499:4
[INFO] [stdout]     |
[INFO] [stdout] 499 | fn say_goodbye(firs_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:510:4
[INFO] [stdout]     |
[INFO] [stdout] 510 | fn factorial_loop(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursive` is never used
[INFO] [stdout]    --> src/main.rs:530:4
[INFO] [stdout]     |
[INFO] [stdout] 530 | fn factorial_recursive(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn print_text(value: String, times: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:558:4
[INFO] [stdout]     |
[INFO] [stdout] 558 | fn print_number(n: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:562:4
[INFO] [stdout]     |
[INFO] [stdout] 562 | fn hi(name: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:578:4
[INFO] [stdout]     |
[INFO] [stdout] 578 | fn full_name(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:595:4
[INFO] [stdout]     |
[INFO] [stdout] 595 | fn change_value(_value: &String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value_mutable` is never used
[INFO] [stdout]    --> src/main.rs:606:4
[INFO] [stdout]     |
[INFO] [stdout] 606 | fn change_value_mutable(value: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_name` is never used
[INFO] [stdout]    --> src/main.rs:624:4
[INFO] [stdout]     |
[INFO] [stdout] 624 | fn get_full_name(first_name: &String, last_name: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:667:8
[INFO] [stdout]     |
[INFO] [stdout] 667 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:675:8
[INFO] [stdout]     |
[INFO] [stdout] 674 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 675 |     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:681:4
[INFO] [stdout]     |
[INFO] [stdout] 681 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:711:8
[INFO] [stdout]     |
[INFO] [stdout] 711 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:714:8
[INFO] [stdout]     |
[INFO] [stdout] 713 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 714 |     fn new(long: f64, lat: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]    --> src/main.rs:734:8
[INFO] [stdout]     |
[INFO] [stdout] 734 | struct Nothing;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:754:6
[INFO] [stdout]     |
[INFO] [stdout] 754 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:778:6
[INFO] [stdout]     |
[INFO] [stdout] 778 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:786:8
[INFO] [stdout]     |
[INFO] [stdout] 785 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 786 |     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:950:6
[INFO] [stdout]     |
[INFO] [stdout] 950 | type Age = u8; // type alias untu kembuat type data baru
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IdentityNumber` is never used
[INFO] [stdout]    --> src/main.rs:951:6
[INFO] [stdout]     |
[INFO] [stdout] 951 | type IdentityNumber = String;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Customer` is never constructed
[INFO] [stdout]    --> src/main.rs:953:8
[INFO] [stdout]     |
[INFO] [stdout] 953 | struct Customer {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pelanggan` is never used
[INFO] [stdout]    --> src/main.rs:959:6
[INFO] [stdout]     |
[INFO] [stdout] 959 | type Pelanggan = Customer; // type alias juga bisa untuk struct
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]    --> src/main.rs:978:7
[INFO] [stdout]     |
[INFO] [stdout] 978 | trait CanSayHello {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodBye` is never used
[INFO] [stdout]    --> src/main.rs:996:7
[INFO] [stdout]     |
[INFO] [stdout] 996 | trait CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]     --> src/main.rs:1010:4
[INFO] [stdout]      |
[INFO] [stdout] 1010 | fn say_hello_trait(value: &impl CanSayHello) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_goodbye` is never used
[INFO] [stdout]     --> src/main.rs:1015:4
[INFO] [stdout]      |
[INFO] [stdout] 1015 | 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:1041:8
[INFO] [stdout]      |
[INFO] [stdout] 1041 | struct SimplePerson {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_person` is never used
[INFO] [stdout]     --> src/main.rs:1054:4
[INFO] [stdout]      |
[INFO] [stdout] 1054 | fn create_person(name: String) -> impl CanSayGoodBye {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]     --> src/main.rs:1065:7
[INFO] [stdout]      |
[INFO] [stdout] 1065 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]      |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]     --> src/main.rs:1073:8
[INFO] [stdout]      |
[INFO] [stdout] 1073 | struct SimpleMan {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]     --> src/main.rs:1096:8
[INFO] [stdout]      |
[INFO] [stdout] 1096 | struct Point<T = i32> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_x` and `get_y` are never used
[INFO] [stdout]     --> src/main.rs:1103:8
[INFO] [stdout]      |
[INFO] [stdout] 1102 | impl<T> Point<T> {
[INFO] [stdout]      | ---------------- methods in this implementation
[INFO] [stdout] 1103 |     fn get_x(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1106 |     fn get_y(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]     --> src/main.rs:1120:6
[INFO] [stdout]      |
[INFO] [stdout] 1120 | enum Value<T> {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]     --> src/main.rs:1139:8
[INFO] [stdout]      |
[INFO] [stdout] 1139 | struct Hi<T = SimplePerson>
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1157:4
[INFO] [stdout]      |
[INFO] [stdout] 1157 | fn min<T>(value1: T, value2: T) -> T
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1182:7
[INFO] [stdout]      |
[INFO] [stdout] 1182 | trait GetValue<T>
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]     --> src/main.rs:1244:4
[INFO] [stdout]      |
[INFO] [stdout] 1244 | fn double(n: Option<i32>) -> Option<i32> {
[INFO] [stdout]      |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bagi` is never used
[INFO] [stdout]     --> src/main.rs:1252:4
[INFO] [stdout]      |
[INFO] [stdout] 1252 | fn bagi<T>(n: Option<T>) -> Option<T>
[INFO] [stdout]      |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]     --> src/main.rs:1322:8
[INFO] [stdout]      |
[INFO] [stdout] 1322 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_format` is never used
[INFO] [stdout]     --> src/main.rs:1357:4
[INFO] [stdout]      |
[INFO] [stdout] 1357 | fn print_with_format(value: String, format: fn(String) -> String) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_uppercase` is never used
[INFO] [stdout]     --> src/main.rs:1367:4
[INFO] [stdout]      |
[INFO] [stdout] 1367 | 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:1563:4
[INFO] [stdout]      |
[INFO] [stdout] 1563 | 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:1580:4
[INFO] [stdout]      |
[INFO] [stdout] 1580 | 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:1586:4
[INFO] [stdout]      |
[INFO] [stdout] 1586 | 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:1593:4
[INFO] [stdout]      |
[INFO] [stdout] 1593 | 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:1640:4
[INFO] [stdout]      |
[INFO] [stdout] 1640 | 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:1667:8
[INFO] [stdout]      |
[INFO] [stdout] 1667 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_name` is never used
[INFO] [stdout]     --> src/main.rs:1673:8
[INFO] [stdout]      |
[INFO] [stdout] 1672 | impl<'a, 'b> Student<'a, 'b> {
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] 1673 |     fn longest_name(&self, student2: &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:1682:4
[INFO] [stdout]      |
[INFO] [stdout] 1682 | 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:1708:8
[INFO] [stdout]      |
[INFO] [stdout] 1708 | struct Teacher<'a, ID>
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:1727:8
[INFO] [stdout]      |
[INFO] [stdout] 1727 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number` is never used
[INFO] [stdout]     --> src/main.rs:1761:4
[INFO] [stdout]      |
[INFO] [stdout] 1761 | fn display_number(v: i32) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number_reference` is never used
[INFO] [stdout]     --> src/main.rs:1764:4
[INFO] [stdout]      |
[INFO] [stdout] 1764 | fn display_number_reference(v: &i32) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProductCategory` is never used
[INFO] [stdout]     --> src/main.rs:1769:6
[INFO] [stdout]      |
[INFO] [stdout] 1769 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1809:8
[INFO] [stdout]      |
[INFO] [stdout] 1809 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_reference` is never used
[INFO] [stdout]     --> src/main.rs:1828:4
[INFO] [stdout]      |
[INFO] [stdout] 1828 | 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:1840:8
[INFO] [stdout]      |
[INFO] [stdout] 1840 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:1858:6
[INFO] [stdout]      |
[INFO] [stdout] 1858 | enum Brand {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:1882:8
[INFO] [stdout]      |
[INFO] [stdout] 1882 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `APPLICATION` is never used
[INFO] [stdout]     --> src/main.rs:1900:8
[INFO] [stdout]      |
[INFO] [stdout] 1900 | static APPLICATION: &str = "my App";
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]     --> src/main.rs:1907:8
[INFO] [stdout]      |
[INFO] [stdout] 1907 | static COUNTER: Mutex<u32> = Mutex::new(0);
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]     --> src/main.rs:1909:4
[INFO] [stdout]      |
[INFO] [stdout] 1909 | 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:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |         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:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl User {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 9 |     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/second.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello() {
[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: name `NONE` contains a capitalized acronym
[INFO] [stdout]     --> src/main.rs:1121:5
[INFO] [stdout]      |
[INFO] [stdout] 1121 |     NONE,
[INFO] [stdout]      |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `None`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]      = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `VALUE` contains a capitalized acronym
[INFO] [stdout]     --> src/main.rs:1122:5
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     VALUE(T),
[INFO] [stdout]      |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Value`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]     --> src/main.rs:1212:6
[INFO] [stdout]      |
[INFO] [stdout] 1212 | impl<'a, 'b> Add<&'b Apple> for &'a Apple {
[INFO] [stdout]      |      ^^                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]      = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]      |
[INFO] [stdout] 1212 - impl<'a, 'b> Add<&'b Apple> for &'a Apple {
[INFO] [stdout] 1212 + impl<'b> Add<&'b Apple> for &Apple {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]     --> src/main.rs:1221:6
[INFO] [stdout]      |
[INFO] [stdout] 1221 | impl<'a, 'b> Sub<&'b Apple> for &'a Apple {
[INFO] [stdout]      |      ^^                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]      |
[INFO] [stdout] 1221 - impl<'a, 'b> Sub<&'b Apple> for &'a Apple {
[INFO] [stdout] 1221 + impl<'b> Sub<&'b Apple> for &Apple {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]     --> src/main.rs:1245:5
[INFO] [stdout]      |
[INFO] [stdout] 1245 | /     match n {
[INFO] [stdout] 1246 | |         None => None,
[INFO] [stdout] 1247 | |         Some(i) => Some(i * 2),
[INFO] [stdout] 1248 | |     }
[INFO] [stdout]      | |_____^ help: try: `n.map(|i| i * 2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]      = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]     --> src/main.rs:1256:5
[INFO] [stdout]      |
[INFO] [stdout] 1256 | /     match n {
[INFO] [stdout] 1257 | |         None => None,
[INFO] [stdout] 1258 | |         Some(i) => Some(i / T::from(2)),
[INFO] [stdout] 1259 | |     }
[INFO] [stdout]      | |_____^ help: try: `n.map(|i| i / T::from(2))`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]     --> src/main.rs:1209:5
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     result,
[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 variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1868:9
[INFO] [stdout]      |
[INFO] [stdout] 1868 |     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]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `smartwatch`
[INFO] [stdout]     --> src/main.rs:1871:13
[INFO] [stdout]      |
[INFO] [stdout] 1871 |         let smartwatch = Brand::Of("Smartwacth".to_string(), Rc::clone(&apple));
[INFO] [stdout]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartwatch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]     --> src/main.rs:1065:7
[INFO] [stdout]      |
[INFO] [stdout] 1065 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]      |       ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]     --> src/main.rs:1073:8
[INFO] [stdout]      |
[INFO] [stdout] 1073 | struct SimpleMan {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]     --> src/main.rs:1121:5
[INFO] [stdout]      |
[INFO] [stdout] 1120 | enum Value<T> {
[INFO] [stdout]      |      ----- variant in this enum
[INFO] [stdout] 1121 |     NONE,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `price` is never read
[INFO] [stdout]     --> src/main.rs:1325:5
[INFO] [stdout]      |
[INFO] [stdout] 1322 | struct Category {
[INFO] [stdout]      |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1325 |     price: u16,
[INFO] [stdout]      |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_name` is never read
[INFO] [stdout]     --> src/main.rs:1669:5
[INFO] [stdout]      |
[INFO] [stdout] 1667 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ------- field in this struct
[INFO] [stdout] 1668 |     name: &'a str,
[INFO] [stdout] 1669 |     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:1771:8
[INFO] [stdout]      |
[INFO] [stdout] 1771 |     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] 1771 -     Of(String, Box<ProductCategory>),
[INFO] [stdout] 1771 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1859:8
[INFO] [stdout]      |
[INFO] [stdout] 1859 |     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] 1859 -     Of(String, Rc<Brand>),
[INFO] [stdout] 1859 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]     --> src/main.rs:1884:5
[INFO] [stdout]      |
[INFO] [stdout] 1882 | struct Seller {
[INFO] [stdout]      |        ------ field in this struct
[INFO] [stdout] 1883 |     name: RefCell<String>,
[INFO] [stdout] 1884 |     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 `middle_name`, `last_name`, `email`, and `age` are never read
[INFO] [stdout]  --> src/model.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     pub first_name: String,
[INFO] [stdout] 3 |     pub middle_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 4 |     pub last_name: 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: this boolean expression can be simplified
[INFO] [stdout]    --> src/main.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let result = true || false;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ help: try: `true`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `array`
[INFO] [stdout]    --> src/main.rs:482:14
[INFO] [stdout]     |
[INFO] [stdout] 482 |     for i in 0..5 {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 482 -     for i in 0..5 {
[INFO] [stdout] 482 +     for <item> in &array {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this match could be written as a `let` statement
[INFO] [stdout]    --> src/main.rs:893:5
[INFO] [stdout]     |
[INFO] [stdout] 893 | /     match person {
[INFO] [stdout] 894 | |         Person {
[INFO] [stdout] 895 | |             first_name,
[INFO] [stdout] 896 | |             last_name,
[INFO] [stdout] ...   |
[INFO] [stdout] 901 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
[INFO] [stdout]     = note: `#[warn(clippy::match_single_binding)]` on by default
[INFO] [stdout] help: consider using a `let` statement
[INFO] [stdout]     |
[INFO] [stdout] 893 ~     let Person {
[INFO] [stdout] 894 +             first_name,
[INFO] [stdout] 895 +             last_name,
[INFO] [stdout] 896 +             ..
[INFO] [stdout] 897 +         } = person;
[INFO] [stdout] 898 +     {
[INFO] [stdout] 899 +         println!("{} {}", first_name, last_name);
[INFO] [stdout] 900 ~     };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `NONE` contains a capitalized acronym
[INFO] [stdout]     --> src/main.rs:1121:5
[INFO] [stdout]      |
[INFO] [stdout] 1121 |     NONE,
[INFO] [stdout]      |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `None`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]      = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `VALUE` contains a capitalized acronym
[INFO] [stdout]     --> src/main.rs:1122:5
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     VALUE(T),
[INFO] [stdout]      |     ^^^^^ help: consider making the acronym lowercase, except the initial letter: `Value`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]     --> src/main.rs:1212:6
[INFO] [stdout]      |
[INFO] [stdout] 1212 | impl<'a, 'b> Add<&'b Apple> for &'a Apple {
[INFO] [stdout]      |      ^^                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]      = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]      |
[INFO] [stdout] 1212 - impl<'a, 'b> Add<&'b Apple> for &'a Apple {
[INFO] [stdout] 1212 + impl<'b> Add<&'b Apple> for &Apple {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'a
[INFO] [stdout]     --> src/main.rs:1221:6
[INFO] [stdout]      |
[INFO] [stdout] 1221 | impl<'a, 'b> Sub<&'b Apple> for &'a Apple {
[INFO] [stdout]      |      ^^                          ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]      |
[INFO] [stdout] 1221 - impl<'a, 'b> Sub<&'b Apple> for &'a Apple {
[INFO] [stdout] 1221 + impl<'b> Sub<&'b Apple> for &Apple {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]     --> src/main.rs:1245:5
[INFO] [stdout]      |
[INFO] [stdout] 1245 | /     match n {
[INFO] [stdout] 1246 | |         None => None,
[INFO] [stdout] 1247 | |         Some(i) => Some(i * 2),
[INFO] [stdout] 1248 | |     }
[INFO] [stdout]      | |_____^ help: try: `n.map(|i| i * 2)`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout]      = note: `#[warn(clippy::manual_map)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of `Option::map`
[INFO] [stdout]     --> src/main.rs:1256:5
[INFO] [stdout]      |
[INFO] [stdout] 1256 | /     match n {
[INFO] [stdout] 1257 | |         None => None,
[INFO] [stdout] 1258 | |         Some(i) => Some(i / T::from(2)),
[INFO] [stdout] 1259 | |     }
[INFO] [stdout]      | |_____^ help: try: `n.map(|i| i / T::from(2))`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_map
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `push` immediately after creation
[INFO] [stdout]     --> src/main.rs:1413:5
[INFO] [stdout]      |
[INFO] [stdout] 1413 | /     let mut names = vec![];
[INFO] [stdout] 1414 | |     names.push(String::from("Ibrohim"));
[INFO] [stdout] 1415 | |     names.push(String::from("Hendra"));
[INFO] [stdout] 1416 | |     names.push(String::from("Sairony"));
[INFO] [stdout]      | |________________________________________^ help: consider using the `vec![]` macro: `let names = vec![..];`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#vec_init_then_push
[INFO] [stdout]      = note: `#[warn(clippy::vec_init_then_push)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this loop could be written as a `for` loop
[INFO] [stdout]     --> src/main.rs:1535:5
[INFO] [stdout]      |
[INFO] [stdout] 1535 |     while let Some(value) = iterator.next() {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for value in iterator.by_ref()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stdout]      = note: `#[warn(clippy::while_let_on_iterator)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.iter().count()` on a `Vec`
[INFO] [stdout]     --> src/main.rs:1552:17
[INFO] [stdout]      |
[INFO] [stdout] 1552 |     let count = vector.iter().count();
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `vector.len()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_count
[INFO] [stdout]      = note: `#[warn(clippy::iter_count)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]     --> src/main.rs:1631:5
[INFO] [stdout]      |
[INFO] [stdout] 1631 |     let r: &i32;
[INFO] [stdout]      |     ^^^^^^^^^^^^ created here
[INFO] [stdout] ...
[INFO] [stdout] 1636 |     r = &40;
[INFO] [stdout]      |     ^^^^^^^ initialised here
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]      = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `r` here
[INFO] [stdout]      |
[INFO] [stdout] 1631 ~     
[INFO] [stdout] 1632 |     {
[INFO] [stdout]  ...
[INFO] [stdout] 1635 |     }
[INFO] [stdout] 1636 ~     let r: &i32 = &40;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]     --> src/main.rs:1662:26
[INFO] [stdout]      |
[INFO] [stdout] 1662 |         result = longest(&string1.as_str(), &str1)
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^^^ help: change this to: `string1.as_str()`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]      = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]     --> src/main.rs:1662:45
[INFO] [stdout]      |
[INFO] [stdout] 1662 |         result = longest(&string1.as_str(), &str1)
[INFO] [stdout]      |                                             ^^^^^ help: change this to: `str1`
[INFO] [stdout]      |
[INFO] [stdout]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "5c642bf6759a7a8b27b1eb8eca164f74a0c223ad0727a82ea66e6dd7e70d2c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c642bf6759a7a8b27b1eb8eca164f74a0c223ad0727a82ea66e6dd7e70d2c11", kill_on_drop: false }`
[INFO] [stdout] 5c642bf6759a7a8b27b1eb8eca164f74a0c223ad0727a82ea66e6dd7e70d2c11