[INFO] cloning repository https://github.com/vickyone0/idomaticrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vickyone0/idomaticrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fidomaticrust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cd2e2fbcc656bacb3e8126b4cac5fbd0408bc26
[INFO] checking vickyone0/idomaticrust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fidomaticrust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vickyone0/idomaticrust
[INFO] finished tweaking git repo https://github.com/vickyone0/idomaticrust
[INFO] tweaked toml for git repo https://github.com/vickyone0/idomaticrust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vickyone0/idomaticrust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vickyone0/idomaticrust 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `actix_web::Error`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use actix_web::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 import: `crate::two::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::two::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::three::*`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::three::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interbiew::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::interbiew::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::multithread::*`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::multithread::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::backend::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::four::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::four::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::observer::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pattern::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::pattern::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, and `web`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | use actix_web::{get, web, App, HttpServer, Responder};
[INFO] [stdout]    |                      ^^^  ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::Error`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use actix_web::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 import: `crate::two::*`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::two::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::three::*`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::three::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interbiew::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::interbiew::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::multithread::*`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::multithread::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::backend::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::four::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::four::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::observer::*`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::observer::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pattern::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::pattern::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, and `web`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | use actix_web::{get, web, App, HttpServer, Responder};
[INFO] [stdout]    |                      ^^^  ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `respose`
[INFO] [stdout]   --> src/multithread.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let respose = client.get("http://127.0.0.1:8080/hello")
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_respose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES` is never used
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | static  BYTES:[u8; 3] = [1, 2, 3];
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES_MUT` is never used
[INFO] [stdout]   --> src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | static mut BYTES_MUT: [u8; 3] = [1, 2, 3];
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]  --> src/two.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Option<T> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/two.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Dog<Breed> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Labrador` is never constructed
[INFO] [stdout]   --> src/two.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Labrador {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Retriever` is never constructed
[INFO] [stdout]   --> src/two.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Retriever {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Poodle` is never constructed
[INFO] [stdout]   --> src/two.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Poodle {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dachshund` is never constructed
[INFO] [stdout]   --> src/two.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Dachshund {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `out` is never used
[INFO] [stdout]   --> src/two.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn out(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Dog<Labrador> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 31 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Dog<Retriever> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 37 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Dog<Poodle> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 43 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Dog<Dachshund> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 49 |     fn breed_name(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoesItBark` is never used
[INFO] [stdout]   --> src/two.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait DoesItBark {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/two.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/two.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/two.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Rectangle {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 71 |     pub fn new(width: i32, height: i32) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Square` is never constructed
[INFO] [stdout]   --> src/two.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Square {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_side` are never used
[INFO] [stdout]   --> src/two.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Square {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 81 |     pub fn new(side: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get_side(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rectanglur` is never used
[INFO] [stdout]   --> src/two.rs:91:11
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub trait Rectanglur {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SelfDescribing` is never used
[INFO] [stdout]    --> src/two.rs:125:7
[INFO] [stdout]     |
[INFO] [stdout] 125 | trait SelfDescribing {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pumkin` is never constructed
[INFO] [stdout]    --> src/two.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Pumkin {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> src/boradv.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Trait {}
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_or_none` is never used
[INFO] [stdout]  --> src/three.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn some_or_none<T: std::fmt::Display>(option: &Option<T>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `what_type_ingetger` is never used
[INFO] [stdout]  --> src/three.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn what_type_ingetger(value: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `destructure_tuple` is never used
[INFO] [stdout]   --> src/three.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn destructure_tuple(tuple: &(i32,i32,i32)){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DistinctTypes` is never used
[INFO] [stdout]   --> src/three.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum DistinctTypes {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_match_type` is never used
[INFO] [stdout]   --> src/three.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn enum_match_type(enum_type:&DistinctTypes) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CatColor` is never used
[INFO] [stdout]   --> src/three.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum CatColor{
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/three.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Cat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/three.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl Cat {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 73 |     pub fn new(name:String,color:CatColor) ->Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_on_black_cats` is never used
[INFO] [stdout]   --> src/three.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn match_on_black_cats(cat: &Cat) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file` is never used
[INFO] [stdout]   --> src/three.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn write_to_file() -> Result<(),  ErrorWrapper> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file_without_result` is never used
[INFO] [stdout]    --> src/three.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn write_to_file_without_result() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorTypes` is never used
[INFO] [stdout]    --> src/three.rs:122:6
[INFO] [stdout]     |
[INFO] [stdout] 122 | enum ErrorTypes {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ErrorWrapper` is never constructed
[INFO] [stdout]    --> src/three.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct ErrorWrapper {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_to_write_to_file` is never used
[INFO] [stdout]    --> src/three.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn try_to_write_to_file() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clos` is never used
[INFO] [stdout]    --> src/three.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | }pub fn clos() {
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ItemData` is never used
[INFO] [stdout]    --> src/three.rs:174:6
[INFO] [stdout]     |
[INFO] [stdout] 174 | type ItemData<T> = Rc<RefCell<T>>;
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ListItemPtr` is never used
[INFO] [stdout]    --> src/three.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 175 | type ListItemPtr<T> = Rc<RefCell<ListItem<T>>>;
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListItem` is never constructed
[INFO] [stdout]    --> src/three.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct ListItem<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/three.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl<T> ListItem<T> {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 183 |     fn new(t: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedList` is never constructed
[INFO] [stdout]    --> src/three.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct LinkedList<T> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/three.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 196 |     fn new(t: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]  --> src/interbiew.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_file(name: &str)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `std_thread` is never used
[INFO] [stdout]  --> src/multithread.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async   fn std_thread(){
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multi_std` is never used
[INFO] [stdout]   --> src/multithread.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub async fn multi_std (){
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pizza` is never constructed
[INFO] [stdout]  --> src/four.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pizza {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `toppings`, `toppings_mut`, and `set_toppings` are never used
[INFO] [stdout]   --> src/four.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Pizza {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new(value:Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn toppings(&self) -> &[String] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn toppings_mut(&mut self) -> &mut Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn set_toppings(&mut self, toppings:Vec<String>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/four.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_nth_line` is never used
[INFO] [stdout]   --> src/four.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn read_nth_line(path: &Path, n: usize) -> Result<String,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bicycle` is never constructed
[INFO] [stdout]  --> src/pattern.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Bicycle {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `make`, `model`, `size`, and `color` are never used
[INFO] [stdout]   --> src/pattern.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Bicycle {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 10 |     fn make(&self) -> &String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn model(&self) -> &String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn size(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn color(&self) -> &String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BicycleBuilder` is never constructed
[INFO] [stdout]   --> src/pattern.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BicycleBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Builder` is never used
[INFO] [stdout]   --> src/pattern.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait Builder<T> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Buildable` is never used
[INFO] [stdout]   --> src/pattern.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait Buildable<Target, B: Builder<Target>> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `with_make`, `with_model`, `with_size`, `with_color`, and `build` are never used
[INFO] [stdout]   --> src/pattern.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl BicycleBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn with_make(&mut self, make:&str){
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn with_model(&mut self, model:&str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn with_size(&mut self, size: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn with_color(&mut self, color: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn build(self) -> Bicycle {       
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outs` is never used
[INFO] [stdout]   --> src/pattern.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn outs(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observer` is never used
[INFO] [stdout]  --> src/observer.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Observer {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observable` is never used
[INFO] [stdout]  --> src/observer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Observable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/interbiew.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     reader.read_to_string(&mut content);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = reader.read_to_string(&mut content);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `respose`
[INFO] [stdout]   --> src/multithread.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let respose = client.get("http://127.0.0.1:8080/hello")
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_respose`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES` is never used
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | static  BYTES:[u8; 3] = [1, 2, 3];
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES_MUT` is never used
[INFO] [stdout]   --> src/main.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | static mut BYTES_MUT: [u8; 3] = [1, 2, 3];
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]  --> src/two.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Option<T> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]  --> src/two.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Dog<Breed> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Labrador` is never constructed
[INFO] [stdout]   --> src/two.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Labrador {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Retriever` is never constructed
[INFO] [stdout]   --> src/two.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Retriever {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Poodle` is never constructed
[INFO] [stdout]   --> src/two.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Poodle {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dachshund` is never constructed
[INFO] [stdout]   --> src/two.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Dachshund {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `out` is never used
[INFO] [stdout]   --> src/two.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn out(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Dog<Labrador> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 31 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Dog<Retriever> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 37 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Dog<Poodle> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 43 |     fn breed_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `breed_name` is never used
[INFO] [stdout]   --> src/two.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Dog<Dachshund> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 49 |     fn breed_name(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoesItBark` is never used
[INFO] [stdout]   --> src/two.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait DoesItBark {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/two.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Cat;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/two.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/two.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl Rectangle {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 71 |     pub fn new(width: i32, height: i32) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Square` is never constructed
[INFO] [stdout]   --> src/two.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Square {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_side` are never used
[INFO] [stdout]   --> src/two.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Square {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 81 |     pub fn new(side: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get_side(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rectanglur` is never used
[INFO] [stdout]   --> src/two.rs:91:11
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub trait Rectanglur {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SelfDescribing` is never used
[INFO] [stdout]    --> src/two.rs:125:7
[INFO] [stdout]     |
[INFO] [stdout] 125 | trait SelfDescribing {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pumkin` is never constructed
[INFO] [stdout]    --> src/two.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Pumkin {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]  --> src/boradv.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait Trait {}
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_or_none` is never used
[INFO] [stdout]  --> src/three.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn some_or_none<T: std::fmt::Display>(option: &Option<T>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `what_type_ingetger` is never used
[INFO] [stdout]  --> src/three.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn what_type_ingetger(value: i32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `destructure_tuple` is never used
[INFO] [stdout]   --> src/three.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn destructure_tuple(tuple: &(i32,i32,i32)){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DistinctTypes` is never used
[INFO] [stdout]   --> src/three.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum DistinctTypes {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enum_match_type` is never used
[INFO] [stdout]   --> src/three.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn enum_match_type(enum_type:&DistinctTypes) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CatColor` is never used
[INFO] [stdout]   --> src/three.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum CatColor{
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cat` is never constructed
[INFO] [stdout]   --> src/three.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Cat {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/three.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl Cat {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 73 |     pub fn new(name:String,color:CatColor) ->Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_on_black_cats` is never used
[INFO] [stdout]   --> src/three.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn match_on_black_cats(cat: &Cat) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file` is never used
[INFO] [stdout]   --> src/three.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn write_to_file() -> Result<(),  ErrorWrapper> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file_without_result` is never used
[INFO] [stdout]    --> src/three.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn write_to_file_without_result() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorTypes` is never used
[INFO] [stdout]    --> src/three.rs:122:6
[INFO] [stdout]     |
[INFO] [stdout] 122 | enum ErrorTypes {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ErrorWrapper` is never constructed
[INFO] [stdout]    --> src/three.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct ErrorWrapper {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_to_write_to_file` is never used
[INFO] [stdout]    --> src/three.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn try_to_write_to_file() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clos` is never used
[INFO] [stdout]    --> src/three.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 | }pub fn clos() {
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ItemData` is never used
[INFO] [stdout]    --> src/three.rs:174:6
[INFO] [stdout]     |
[INFO] [stdout] 174 | type ItemData<T> = Rc<RefCell<T>>;
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ListItemPtr` is never used
[INFO] [stdout]    --> src/three.rs:175:6
[INFO] [stdout]     |
[INFO] [stdout] 175 | type ListItemPtr<T> = Rc<RefCell<ListItem<T>>>;
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListItem` is never constructed
[INFO] [stdout]    --> src/three.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct ListItem<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/three.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | impl<T> ListItem<T> {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 183 |     fn new(t: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LinkedList` is never constructed
[INFO] [stdout]    --> src/three.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct LinkedList<T> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/three.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 195 | impl<T> LinkedList<T> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 196 |     fn new(t: T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]  --> src/interbiew.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_file(name: &str)-> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `std_thread` is never used
[INFO] [stdout]  --> src/multithread.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async   fn std_thread(){
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multi_std` is never used
[INFO] [stdout]   --> src/multithread.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub async fn multi_std (){
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pizza` is never constructed
[INFO] [stdout]  --> src/four.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pizza {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `toppings`, `toppings_mut`, and `set_toppings` are never used
[INFO] [stdout]   --> src/four.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Pizza {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new(value:Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn toppings(&self) -> &[String] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn toppings_mut(&mut self) -> &mut Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn set_toppings(&mut self, toppings:Vec<String>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/four.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_nth_line` is never used
[INFO] [stdout]   --> src/four.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn read_nth_line(path: &Path, n: usize) -> Result<String,Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bicycle` is never constructed
[INFO] [stdout]  --> src/pattern.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Bicycle {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `make`, `model`, `size`, and `color` are never used
[INFO] [stdout]   --> src/pattern.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Bicycle {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 10 |     fn make(&self) -> &String {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn model(&self) -> &String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn size(&self) -> i32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn color(&self) -> &String {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BicycleBuilder` is never constructed
[INFO] [stdout]   --> src/pattern.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BicycleBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Builder` is never used
[INFO] [stdout]   --> src/pattern.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | trait Builder<T> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Buildable` is never used
[INFO] [stdout]   --> src/pattern.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait Buildable<Target, B: Builder<Target>> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `with_make`, `with_model`, `with_size`, `with_color`, and `build` are never used
[INFO] [stdout]   --> src/pattern.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl BicycleBuilder {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn with_make(&mut self, make:&str){
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn with_model(&mut self, model:&str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn with_size(&mut self, size: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn with_color(&mut self, color: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn build(self) -> Bicycle {       
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outs` is never used
[INFO] [stdout]   --> src/pattern.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn outs(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observer` is never used
[INFO] [stdout]  --> src/observer.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Observer {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observable` is never used
[INFO] [stdout]  --> src/observer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Observable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/interbiew.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     reader.read_to_string(&mut content);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = reader.read_to_string(&mut content);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd7e436de2a107ff4d2df554a8aa35fae2abd0bfd6cc2eaaa4009f1a7d287843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7e436de2a107ff4d2df554a8aa35fae2abd0bfd6cc2eaaa4009f1a7d287843", kill_on_drop: false }`
[INFO] [stdout] fd7e436de2a107ff4d2df554a8aa35fae2abd0bfd6cc2eaaa4009f1a7d287843
