[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'... 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[INFO] [stderr] Downloaded rustls-pemfile v2.1.1 [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_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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c54d11efac2de5f7ce46b490cdd0fc793e2d74f5090bd06b515f732b45c081f3 [INFO] running `Command { std: "docker" "start" "-a" "c54d11efac2de5f7ce46b490cdd0fc793e2d74f5090bd06b515f732b45c081f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c54d11efac2de5f7ce46b490cdd0fc793e2d74f5090bd06b515f732b45c081f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c54d11efac2de5f7ce46b490cdd0fc793e2d74f5090bd06b515f732b45c081f3", kill_on_drop: false }` [INFO] [stdout] c54d11efac2de5f7ce46b490cdd0fc793e2d74f5090bd06b515f732b45c081f3 [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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70bb0cc799f13f6cb095c7f8b50ca522ee9d9654eb8c530e79a67710e2a6b09e [INFO] running `Command { std: "docker" "start" "-a" "70bb0cc799f13f6cb095c7f8b50ca522ee9d9654eb8c530e79a67710e2a6b09e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking rustls-pki-types v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking rustls-pemfile v2.1.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.4.4 [INFO] [stderr] Checking hyper v1.2.0 [INFO] [stderr] Checking hyper-util v0.1.3 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.3 [INFO] [stderr] Checking 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: 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: 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{ [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 Inventory{ [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] [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{ [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 Inventory{ [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 40.38s [INFO] running `Command { std: "docker" "inspect" "70bb0cc799f13f6cb095c7f8b50ca522ee9d9654eb8c530e79a67710e2a6b09e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70bb0cc799f13f6cb095c7f8b50ca522ee9d9654eb8c530e79a67710e2a6b09e", kill_on_drop: false }` [INFO] [stdout] 70bb0cc799f13f6cb095c7f8b50ca522ee9d9654eb8c530e79a67710e2a6b09e