[INFO] cloning repository https://github.com/Ronnie-Ahmed/rust_projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ronnie-Ahmed/rust_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRonnie-Ahmed%2Frust_projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRonnie-Ahmed%2Frust_projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99620969f046fdffdee8015864dc3ba74efecf79
[INFO] building Ronnie-Ahmed/rust_projects against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRonnie-Ahmed%2Frust_projects" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ronnie-Ahmed/rust_projects
[INFO] finished tweaking git repo https://github.com/Ronnie-Ahmed/rust_projects
[INFO] tweaked toml for git repo https://github.com/Ronnie-Ahmed/rust_projects written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ronnie-Ahmed/rust_projects on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ronnie-Ahmed/rust_projects 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sync_wrapper v0.1.2
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[INFO] [stderr]    Compiling rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/calculator.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, result};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain`
[INFO] [stdout]  --> src/rust_get_request.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use error_chain::error_chain;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::example_generated::Error`
[INFO] [stdout]  --> src/password_generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use error_chain::example_generated::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::Chars`
[INFO] [stdout]  --> src/password_generator.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{io, str::Chars};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::prelude::*`
[INFO] [stdout]  --> src/todo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/simple_chat.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Bytes, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/file_tutorial.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{OpenOptions,write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/voter_management_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SHA256`
[INFO] [stdout]  --> src/voter_management_system.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest::{self, Digest,SHA256};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::stdin`
[INFO] [stdout]  --> src/employee.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::employee`
[INFO] [stdout]  --> src/employee.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::employee;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/todo.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut choices=get_input("Enter your choices: ");
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bank_management.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut choice:u32 = match input.trim().parse(){
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/voter_management_system.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut choice:u32=match  input.trim().parse(){
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/employee.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut choice:u32=match  input.trim().parse(){
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_tutorial` is never used
[INFO] [stdout]  --> src/file_tutorial.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_tutorial(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_create` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn write_create(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn read_file(){
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `append_to_file` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn append_to_file()->std::io::Result<()>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_type` is never used
[INFO] [stdout]  --> src/resulttype.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn result_type(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/resulttype.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn divide(x:u32,y:u32)->Result<u32,String>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EmplyeeBehavior` is never used
[INFO] [stdout]   --> src/employee.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait EmplyeeBehavior{
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age` and `department` are never read
[INFO] [stdout]   --> src/employee.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Employee{
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 24 |     name:String,
[INFO] [stdout] 25 |     age:u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     department:Department
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name` is never used
[INFO] [stdout]   --> src/inventory.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl <T:Item>  Inventory<T>{
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn get_name(&self,name:&str)->Option<&T>{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]   --> src/inventory.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Tool{
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 37 |     name:String,
[INFO] [stdout] 38 |     category:String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/rust_get_request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     res.read_to_string(&mut body);
[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] 9 |     let _ = res.read_to_string(&mut body);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Simple_Chat` should have a snake case name
[INFO] [stdout]  --> src/simple_chat.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn Simple_Chat(){
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `simple_chat`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/file_tutorial.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     append_to_file();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = append_to_file();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "77bb1d4000a61f64feaaa5ac2f7d55c370ced01957e27a498bc518422d70dd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bb1d4000a61f64feaaa5ac2f7d55c370ced01957e27a498bc518422d70dd85", kill_on_drop: false }`
[INFO] [stdout] 77bb1d4000a61f64feaaa5ac2f7d55c370ced01957e27a498bc518422d70dd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd7c3fd890925c378ebbf18cc0e1e9e851d48c24465ecdba471f640338d2c89
[INFO] running `Command { std: "docker" "start" "-a" "dfd7c3fd890925c378ebbf18cc0e1e9e851d48c24465ecdba471f640338d2c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/calculator.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, result};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain`
[INFO] [stdout]  --> src/rust_get_request.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use error_chain::error_chain;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::example_generated::Error`
[INFO] [stdout]  --> src/password_generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use error_chain::example_generated::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::Chars`
[INFO] [stdout]  --> src/password_generator.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{io, str::Chars};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::prelude::*`
[INFO] [stdout]  --> src/todo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/simple_chat.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Bytes, Read, Write};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/file_tutorial.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{OpenOptions,write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/voter_management_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SHA256`
[INFO] [stdout]  --> src/voter_management_system.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest::{self, Digest,SHA256};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::io::stdin`
[INFO] [stdout]  --> src/employee.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::employee`
[INFO] [stdout]  --> src/employee.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::employee;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/todo.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut choices=get_input("Enter your choices: ");
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bank_management.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut choice:u32 = match input.trim().parse(){
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/voter_management_system.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut choice:u32=match  input.trim().parse(){
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/employee.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let mut choice:u32=match  input.trim().parse(){
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_tutorial` is never used
[INFO] [stdout]  --> src/file_tutorial.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn file_tutorial(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_create` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn write_create(){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn read_file(){
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `append_to_file` is never used
[INFO] [stdout]   --> src/file_tutorial.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn append_to_file()->std::io::Result<()>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `result_type` is never used
[INFO] [stdout]  --> src/resulttype.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn result_type(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/resulttype.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn divide(x:u32,y:u32)->Result<u32,String>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EmplyeeBehavior` is never used
[INFO] [stdout]   --> src/employee.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait EmplyeeBehavior{
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age` and `department` are never read
[INFO] [stdout]   --> src/employee.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Employee{
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 24 |     name:String,
[INFO] [stdout] 25 |     age:u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     department:Department
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name` is never used
[INFO] [stdout]   --> src/inventory.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl <T:Item>  Inventory<T>{
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn get_name(&self,name:&str)->Option<&T>{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]   --> src/inventory.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Tool{
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 37 |     name:String,
[INFO] [stdout] 38 |     category:String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/rust_get_request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     res.read_to_string(&mut body);
[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] 9 |     let _ = res.read_to_string(&mut body);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Simple_Chat` should have a snake case name
[INFO] [stdout]  --> src/simple_chat.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn Simple_Chat(){
[INFO] [stdout]   |        ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `simple_chat`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/file_tutorial.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     append_to_file();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = append_to_file();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "dfd7c3fd890925c378ebbf18cc0e1e9e851d48c24465ecdba471f640338d2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd7c3fd890925c378ebbf18cc0e1e9e851d48c24465ecdba471f640338d2c89", kill_on_drop: false }`
[INFO] [stdout] dfd7c3fd890925c378ebbf18cc0e1e9e851d48c24465ecdba471f640338d2c89
