[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] 75d188de373c17219f2ca5b9ca4fe836092a8823
[INFO] checking vickyone0/idomaticrust against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fidomaticrust" "/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/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vickyone0/idomaticrust on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "71ba831ee3c16e9055103c896a276d97b8b05ed71c050685f722f1b1ae6f9d7d", kill_on_drop: false }`
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[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "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:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use actix_web::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::two::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::two::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::three::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::three::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interbiew::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::interbiew::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::*`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::backend::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::four::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::four::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, and `web`
[INFO] [stdout]   --> src/main.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use actix_web::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::two::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::two::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::three::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::three::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::interbiew::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::interbiew::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::backend::*`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::backend::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::four::*`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::four::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `HttpServer`, and `web`
[INFO] [stdout]   --> src/main.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES` is never used
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | static  BYTES:[u8; 3] = [1, 2, 3];
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES_MUT` is never used
[INFO] [stdout]   --> src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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: 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: 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)]` 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: static `BYTES` is never used
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | static  BYTES:[u8; 3] = [1, 2, 3];
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `BYTES_MUT` is never used
[INFO] [stdout]   --> src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | 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: 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: 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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.81s
[INFO] running `Command { std: "docker" "inspect" "0f7ce4cc9527bdd66e40ba202ddc67689e84a545e2f620ed0a15561efe3aa143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7ce4cc9527bdd66e40ba202ddc67689e84a545e2f620ed0a15561efe3aa143", kill_on_drop: false }`
[INFO] [stdout] 0f7ce4cc9527bdd66e40ba202ddc67689e84a545e2f620ed0a15561efe3aa143