[INFO] cloning repository https://github.com/AnwarAan/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnwarAan/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnwarAan%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnwarAan%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7138aa70092695bf7a587ebb0b218709d8df328f
[INFO] checking AnwarAan/rust against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnwarAan%2Frust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AnwarAan/rust
[INFO] finished tweaking git repo https://github.com/AnwarAan/rust
[INFO] tweaked toml for git repo https://github.com/AnwarAan/rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AnwarAan/rust on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AnwarAan/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-crates-mcnwr v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b32bd9770f6abfb9ae0f83666dde172bb0c9bab225e312b540006f3519f3614
[INFO] running `Command { std: "docker" "start" "-a" "8b32bd9770f6abfb9ae0f83666dde172bb0c9bab225e312b540006f3519f3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b32bd9770f6abfb9ae0f83666dde172bb0c9bab225e312b540006f3519f3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b32bd9770f6abfb9ae0f83666dde172bb0c9bab225e312b540006f3519f3614", kill_on_drop: false }`
[INFO] [stdout] 8b32bd9770f6abfb9ae0f83666dde172bb0c9bab225e312b540006f3519f3614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eea85994181f8b3f8277f013279c7b6152f23955101577adba9181c9dd197086
[INFO] running `Command { std: "docker" "start" "-a" "eea85994181f8b3f8277f013279c7b6152f23955101577adba9181c9dd197086", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-crates-mcnwr v0.1.0
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BTreeSet`, `HashMap`, `HashSet`, `LinkedList`, `Ref`, `VecDeque`, `btree_map::Values`, `fmt::format`, and `result`
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     cell::{Ref, RefCell},
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 34 |     cmp::Ordering,
[INFO] [stdout] 35 |     collections::{btree_map::Values, BTreeSet, HashMap, HashSet, LinkedList, VecDeque},
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 36 |     fmt::format,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 37 |     result, str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first::say_hello as say_hello1`
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use first::say_hello as say_hello1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as say_hello2`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use second::say_hello as say_hello2;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash`
[INFO] [stdout]     --> src/main.rs:1083:12
[INFO] [stdout]      |
[INFO] [stdout] 1083 | use core::{hash, ops::Add};
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1737:14
[INFO] [stdout]      |
[INFO] [stdout] 1737 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iterate`
[INFO] [stdout]     --> src/main.rs:1758:14
[INFO] [stdout]      |
[INFO] [stdout] 1758 | macro_rules! iterate {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ref`, `btree_map::Values`, `fmt::format`, and `result`
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     cell::{Ref, RefCell},
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 34 |     cmp::Ordering,
[INFO] [stdout] 35 |     collections::{btree_map::Values, BTreeSet, HashMap, HashSet, LinkedList, VecDeque},
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     fmt::format,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 37 |     result, str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash`
[INFO] [stdout]     --> src/main.rs:1083:12
[INFO] [stdout]      |
[INFO] [stdout] 1083 | use core::{hash, ops::Add};
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unit` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn unit() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM` is never used
[INFO] [stdout]    --> src/main.rs:236:7
[INFO] [stdout]     |
[INFO] [stdout] 236 | const MAXIMUM: i32 = 100;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_a` is never used
[INFO] [stdout]    --> src/main.rs:265:4
[INFO] [stdout]     |
[INFO] [stdout] 265 | fn function_a() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:460:4
[INFO] [stdout]     |
[INFO] [stdout] 460 | fn say_hello() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:472:4
[INFO] [stdout]     |
[INFO] [stdout] 472 | fn say_goodbye(first_name: &str, last_name: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:483:4
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn factorial_loop(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:505:4
[INFO] [stdout]     |
[INFO] [stdout] 505 | fn print_text(value: String, times: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursive` is never used
[INFO] [stdout]    --> src/main.rs:520:4
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn factorial_recursive(n: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:534:4
[INFO] [stdout]     |
[INFO] [stdout] 534 | fn print_number(number: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn hi(name: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:553:4
[INFO] [stdout]     |
[INFO] [stdout] 553 | 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:568:4
[INFO] [stdout]     |
[INFO] [stdout] 568 | fn change_value(value: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_2` is never used
[INFO] [stdout]    --> src/main.rs:582:4
[INFO] [stdout]     |
[INFO] [stdout] 582 | fn full_name_2(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:619:8
[INFO] [stdout]     |
[INFO] [stdout] 619 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:626:8
[INFO] [stdout]     |
[INFO] [stdout] 625 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 626 |     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:631:4
[INFO] [stdout]     |
[INFO] [stdout] 631 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Geo` is never constructed
[INFO] [stdout]    --> src/main.rs:656:8
[INFO] [stdout]     |
[INFO] [stdout] 656 | struct Geo(f64, f64);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]    --> src/main.rs:665:8
[INFO] [stdout]     |
[INFO] [stdout] 665 | struct Nothing;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:685:8
[INFO] [stdout]     |
[INFO] [stdout] 684 | impl Geo {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 685 |     fn new(long: f64, lat: f64) -> Geo {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:696:6
[INFO] [stdout]     |
[INFO] [stdout] 696 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:707:6
[INFO] [stdout]     |
[INFO] [stdout] 707 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:714:8
[INFO] [stdout]     |
[INFO] [stdout] 713 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 714 |     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:865:6
[INFO] [stdout]     |
[INFO] [stdout] 865 | type Age = u8;
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndetifyNumber` is never used
[INFO] [stdout]    --> src/main.rs:866:6
[INFO] [stdout]     |
[INFO] [stdout] 866 | type IndetifyNumber = String;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Customer` is never constructed
[INFO] [stdout]    --> src/main.rs:868:8
[INFO] [stdout]     |
[INFO] [stdout] 868 | struct Customer {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]    --> src/main.rs:887:7
[INFO] [stdout]     |
[INFO] [stdout] 887 | trait CanSayHello {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodBye` is never used
[INFO] [stdout]    --> src/main.rs:895:7
[INFO] [stdout]     |
[INFO] [stdout] 895 | trait CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]    --> src/main.rs:919:4
[INFO] [stdout]     |
[INFO] [stdout] 919 | fn say_hello_trait(value: &impl CanSayHello) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_good_bye` is never used
[INFO] [stdout]    --> src/main.rs:923:4
[INFO] [stdout]     |
[INFO] [stdout] 923 | fn hello_and_good_bye(value: &(impl CanSayHello + CanSayGoodBye)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimplePerson` is never constructed
[INFO] [stdout]    --> src/main.rs:952:8
[INFO] [stdout]     |
[INFO] [stdout] 952 | struct SimplePerson {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_person` is never used
[INFO] [stdout]    --> src/main.rs:966:4
[INFO] [stdout]     |
[INFO] [stdout] 966 | 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:977:7
[INFO] [stdout]     |
[INFO] [stdout] 977 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]    --> src/main.rs:984:8
[INFO] [stdout]     |
[INFO] [stdout] 984 | 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:990:8
[INFO] [stdout]     |
[INFO] [stdout] 989 | impl<T> Point<T> {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 990 |     fn get_x(&self) -> &T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 993 |     fn get_y(&self) -> &T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]     --> src/main.rs:1004:6
[INFO] [stdout]      |
[INFO] [stdout] 1004 | enum Value<T> {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]     --> src/main.rs:1023:8
[INFO] [stdout]      |
[INFO] [stdout] 1023 | struct Hi<T = SimplePerson>
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1040:4
[INFO] [stdout]      |
[INFO] [stdout] 1040 | 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:1067:7
[INFO] [stdout]      |
[INFO] [stdout] 1067 | trait GetValue<T>
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]     --> src/main.rs:1107:4
[INFO] [stdout]      |
[INFO] [stdout] 1107 | 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:1160:8
[INFO] [stdout]      |
[INFO] [stdout] 1160 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_with_filter` is never used
[INFO] [stdout]     --> src/main.rs:1193:4
[INFO] [stdout]      |
[INFO] [stdout] 1193 | fn print_with_filter(value: String, filter: fn(String) -> String) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_uppercase` is never used
[INFO] [stdout]     --> src/main.rs:1205:4
[INFO] [stdout]      |
[INFO] [stdout] 1205 | 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:1229:8
[INFO] [stdout]      |
[INFO] [stdout] 1229 | struct Counter {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment` is never used
[INFO] [stdout]     --> src/main.rs:1234:8
[INFO] [stdout]      |
[INFO] [stdout] 1233 | impl Counter {
[INFO] [stdout]      | ------------ method in this implementation
[INFO] [stdout] 1234 |     fn increment(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connect_database` is never used
[INFO] [stdout]     --> src/main.rs:1381:4
[INFO] [stdout]      |
[INFO] [stdout] 1381 | 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:1397:4
[INFO] [stdout]      |
[INFO] [stdout] 1397 | 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:1404:4
[INFO] [stdout]      |
[INFO] [stdout] 1404 | 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:1411:4
[INFO] [stdout]      |
[INFO] [stdout] 1411 | 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:1454:4
[INFO] [stdout]      |
[INFO] [stdout] 1454 | 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:1482:8
[INFO] [stdout]      |
[INFO] [stdout] 1482 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_name` is never used
[INFO] [stdout]     --> src/main.rs:1488:8
[INFO] [stdout]      |
[INFO] [stdout] 1487 | impl<'a, 'b> Student<'a, 'b> {
[INFO] [stdout]      | ---------------------------- method in this implementation
[INFO] [stdout] 1488 |     fn longest_name(&self, student: &Student<'a, 'b>) -> &'a str {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:1497:4
[INFO] [stdout]      |
[INFO] [stdout] 1497 | 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:1525:8
[INFO] [stdout]      |
[INFO] [stdout] 1525 | struct Teacher<'a, ID>
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:1545:8
[INFO] [stdout]      |
[INFO] [stdout] 1545 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_number` is never used
[INFO] [stdout]     --> src/main.rs:1577:4
[INFO] [stdout]      |
[INFO] [stdout] 1577 | 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:1581:4
[INFO] [stdout]      |
[INFO] [stdout] 1581 | 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:1594:6
[INFO] [stdout]      |
[INFO] [stdout] 1594 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1620:8
[INFO] [stdout]      |
[INFO] [stdout] 1620 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_reference` is never used
[INFO] [stdout]     --> src/main.rs:1640:4
[INFO] [stdout]      |
[INFO] [stdout] 1640 | 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:1653:8
[INFO] [stdout]      |
[INFO] [stdout] 1653 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:1672:6
[INFO] [stdout]      |
[INFO] [stdout] 1672 | enum Brand {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:1694:8
[INFO] [stdout]      |
[INFO] [stdout] 1694 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `APPLICATION` is never used
[INFO] [stdout]     --> src/main.rs:1715:8
[INFO] [stdout]      |
[INFO] [stdout] 1715 | static APPLICATION: &str = "My App";
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `COUNTER` is never used
[INFO] [stdout]     --> src/main.rs:1722:12
[INFO] [stdout]      |
[INFO] [stdout] 1722 | static mut COUNTER: u32 = 0;
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]     --> src/main.rs:1724:11
[INFO] [stdout]      |
[INFO] [stdout] 1724 | unsafe fn increment() {
[INFO] [stdout]      |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/kedua.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/pertama.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/pertama.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn say_hello() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `username`, `email`, and `age` are never read
[INFO] [stdout]   --> src/main.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 5  |     pub struct User {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 6  |         pub first_name: String,
[INFO] [stdout] 7  |         pub last_name: String,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 8  |         pub username: String,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 9  |         pub email: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 10 |         pub age: u8,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn say_hello() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/main.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn say_hello() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/main.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |         other => {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/main.rs:779:9
[INFO] [stdout]     |
[INFO] [stdout] 779 |         other => {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/main.rs:798:9
[INFO] [stdout]     |
[INFO] [stdout] 795 |         25..=50 => {
[INFO] [stdout]     |         ------- this range overlaps on `25_i32`...
[INFO] [stdout] ...
[INFO] [stdout] 798 |         0..=25 => {
[INFO] [stdout]     |         ^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/main.rs:795:9
[INFO] [stdout]     |
[INFO] [stdout] 792 |         50..=75 => {
[INFO] [stdout]     |         ------- this range overlaps on `50_i32`...
[INFO] [stdout] ...
[INFO] [stdout] 795 |         25..=50 => {
[INFO] [stdout]     |         ^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/main.rs:792:9
[INFO] [stdout]     |
[INFO] [stdout] 789 |         75..=100 => {
[INFO] [stdout]     |         -------- this range overlaps on `75_i32`...
[INFO] [stdout] ...
[INFO] [stdout] 792 |         50..=75 => {
[INFO] [stdout]     |         ^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:847:9
[INFO] [stdout]     |
[INFO] [stdout] 844 |         Geo(long, _) => {
[INFO] [stdout]     |         ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 847 |         _ => {
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]     --> src/main.rs:1000:9
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     let integer = Point::<i32> { x: 1, y: 2 };
[INFO] [stdout]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]     --> src/main.rs:1001:9
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     let float = Point::<f32> { x: 1.0, y: 2.0 };
[INFO] [stdout]      |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1448:13
[INFO] [stdout]      |
[INFO] [stdout] 1448 |         let x = 5;
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value1`
[INFO] [stdout]     --> src/main.rs:1464:9
[INFO] [stdout]      |
[INFO] [stdout] 1464 |     let value1 = "Muchamad";
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value2`
[INFO] [stdout]     --> src/main.rs:1465:9
[INFO] [stdout]      |
[INFO] [stdout] 1465 |     let value2 = "Coirul";
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value3`
[INFO] [stdout]     --> src/main.rs:1466:9
[INFO] [stdout]      |
[INFO] [stdout] 1466 |     let value3 = "Anwar";
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `company3`
[INFO] [stdout]     --> src/main.rs:1562:9
[INFO] [stdout]      |
[INFO] [stdout] 1562 |     let company3 = Company {
[INFO] [stdout]      |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_company3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1682:9
[INFO] [stdout]      |
[INFO] [stdout] 1682 |     let laptop = Rc::new(Brand::Of("Apple".to_string(), Rc::new(Brand::End)));
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hp`
[INFO] [stdout]     --> src/main.rs:1686:13
[INFO] [stdout]      |
[INFO] [stdout] 1686 |         let hp = Rc::new(Brand::Of("Apple".to_string(), Rc::new(Brand::End)));
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_hp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Regular` and `Platinum` are never constructed
[INFO] [stdout]    --> src/main.rs:697:5
[INFO] [stdout]     |
[INFO] [stdout] 696 | enum Level {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 697 |     Regular,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 698 |     Premiun,
[INFO] [stdout] 699 |     Platinum,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]    --> src/main.rs:977:7
[INFO] [stdout]     |
[INFO] [stdout] 977 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/main.rs:986:5
[INFO] [stdout]     |
[INFO] [stdout] 984 | struct Point<T = i32> {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] 985 |     x: T,
[INFO] [stdout] 986 |     y: T,
[INFO] [stdout]     |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_y` is never used
[INFO] [stdout]    --> src/main.rs:993:8
[INFO] [stdout]     |
[INFO] [stdout] 989 | impl<T> Point<T> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 993 |     fn get_y(&self) -> &T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NONE` is never constructed
[INFO] [stdout]     --> src/main.rs:1005:5
[INFO] [stdout]      |
[INFO] [stdout] 1004 | enum Value<T> {
[INFO] [stdout]      |      ----- variant in this enum
[INFO] [stdout] 1005 |     NONE,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1067:7
[INFO] [stdout]      |
[INFO] [stdout] 1067 | trait GetValue<T>
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_name` is never read
[INFO] [stdout]     --> src/main.rs:1484:5
[INFO] [stdout]      |
[INFO] [stdout] 1482 | struct Student<'a, 'b> {
[INFO] [stdout]      |        ------- field in this struct
[INFO] [stdout] 1483 |     name: &'a str,
[INFO] [stdout] 1484 |     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:1595:8
[INFO] [stdout]      |
[INFO] [stdout] 1595 |     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] 1595 -     Of(String, Box<ProductCategory>),
[INFO] [stdout] 1595 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1673:8
[INFO] [stdout]      |
[INFO] [stdout] 1673 |     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] 1673 -     Of(String, Rc<Brand>),
[INFO] [stdout] 1673 +     Of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]     --> src/main.rs:1696:5
[INFO] [stdout]      |
[INFO] [stdout] 1694 | struct Seller {
[INFO] [stdout]      |        ------ field in this struct
[INFO] [stdout] 1695 |     name: RefCell<String>,
[INFO] [stdout] 1696 |     active: RefCell<bool>,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Seller` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `username`, `email`, and `age` are never read
[INFO] [stdout]   --> src/main.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 5  |     pub struct User {
[INFO] [stdout]    |                ---- fields in this struct
[INFO] [stdout] 6  |         pub first_name: String,
[INFO] [stdout] 7  |         pub last_name: String,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 8  |         pub username: String,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 9  |         pub email: String,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 10 |         pub age: u8,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]     --> src/main.rs:1733:34
[INFO] [stdout]      |
[INFO] [stdout] 1733 |         println!("Counter : {}", COUNTER);
[INFO] [stdout]      |                                  ^^^^^^^ shared reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "eea85994181f8b3f8277f013279c7b6152f23955101577adba9181c9dd197086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea85994181f8b3f8277f013279c7b6152f23955101577adba9181c9dd197086", kill_on_drop: false }`
[INFO] [stdout] eea85994181f8b3f8277f013279c7b6152f23955101577adba9181c9dd197086
