[INFO] cloning repository https://github.com/Arpt-Singh/embedded_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arpt-Singh/embedded_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 297ea598ccfb8dfb87ecc3c985cf87d21f10dca2
[INFO] linting Arpt-Singh/embedded_rust against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/Arpt-Singh/embedded_rust
[INFO] finished tweaking git repo https://github.com/Arpt-Singh/embedded_rust
[INFO] tweaked toml for git repo https://github.com/Arpt-Singh/embedded_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arpt-Singh/embedded_rust on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arpt-Singh/embedded_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5621d8d37bb9565a277089eee43af545bc0b1aea0e2ef51c5ad95f74199116
[INFO] running `Command { std: "docker" "start" "-a" "ab5621d8d37bb9565a277089eee43af545bc0b1aea0e2ef51c5ad95f74199116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5621d8d37bb9565a277089eee43af545bc0b1aea0e2ef51c5ad95f74199116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5621d8d37bb9565a277089eee43af545bc0b1aea0e2ef51c5ad95f74199116", kill_on_drop: false }`
[INFO] [stdout] ab5621d8d37bb9565a277089eee43af545bc0b1aea0e2ef51c5ad95f74199116
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 604c42cc360a0e3ccfec398b4ffd7bfdf9a573c31f03f0339f88a22569eb92cd
[INFO] running `Command { std: "docker" "start" "-a" "604c42cc360a0e3ccfec398b4ffd7bfdf9a573c31f03f0339f88a22569eb92cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking embedded_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]  --> closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after outer attribute
[INFO] [stdout]  --> mystructs.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #[allow(dead_code)]
[INFO] [stdout] 3 | |
[INFO] [stdout]   | |_^
[INFO] [stdout] 4 |   enum VehicalColor {
[INFO] [stdout]   |   ----------------- the attribute applies to this enum
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_outer_attr
[INFO] [stdout]   = note: `#[warn(clippy::empty_line_after_outer_attr)]` on by default
[INFO] [stdout]   = help: if the empty line is unintentional, remove it
[INFO] [stdout] help: if the attribute should apply to the parent module use an inner attribute
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![allow(dead_code)]
[INFO] [stdout]   |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `silver` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     silver,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Silver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `white` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     white,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> mystructs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     green
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cat` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct cat {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tiger` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct tiger {}
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Sub`
[INFO] [stdout]  --> mydatetime.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Sub, time::{Duration,Instant}};
[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: `std::thread::spawn`
[INFO] [stdout]  --> myscopedthread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::spawn;     
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> mymutex.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{spawn,scope, sleep};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::myargs`
[INFO] [stdout]  --> myargs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::myargs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]  --> closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after outer attribute
[INFO] [stdout]  --> mystructs.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #[allow(dead_code)]
[INFO] [stdout] 3 | |
[INFO] [stdout]   | |_^
[INFO] [stdout] 4 |   enum VehicalColor {
[INFO] [stdout]   |   ----------------- the attribute applies to this enum
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_outer_attr
[INFO] [stdout]   = note: `#[warn(clippy::empty_line_after_outer_attr)]` on by default
[INFO] [stdout]   = help: if the empty line is unintentional, remove it
[INFO] [stdout] help: if the attribute should apply to the parent module use an inner attribute
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![allow(dead_code)]
[INFO] [stdout]   |  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `silver` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     silver,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Silver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `white` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     white,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> mystructs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     green
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cat` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct cat {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tiger` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct tiger {}
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Sub`
[INFO] [stdout]  --> mydatetime.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Sub, time::{Duration,Instant}};
[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: `std::thread::spawn`
[INFO] [stdout]  --> myscopedthread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::spawn;     
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> mymutex.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{spawn,scope, sleep};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::myargs`
[INFO] [stdout]  --> myargs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::myargs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut opt1: Option<u8>= None;
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut opt1:Option<String> = None;
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chartype` is never read
[INFO] [stdout]   --> optiontest.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut  chartype:Option<CharaterType> = None;
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet1`
[INFO] [stdout]   --> test_traits.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let pet1 = Dog{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet3`
[INFO] [stdout]   --> test_traits.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pet3 = Bear{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet4`
[INFO] [stdout]   --> test_traits.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let pet4 = tiger{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> myiters.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut fruit_list_strings = fruit_list.iter().map(|e| String::from(*e) );
[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: unused variable: `all_foods`
[INFO] [stdout]   --> myiters.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let all_foods:Vec<&&str> = aggregate_foods.clone().collect();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_foods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_item`
[INFO] [stdout]   --> myiters.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut opt1: Option<u8>= None;
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut opt1:Option<String> = None;
[INFO] [stdout]   |                               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chartype` is never read
[INFO] [stdout]   --> optiontest.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut  chartype:Option<CharaterType> = None;
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> mymutex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut score = Mutex::new(0u128);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet1`
[INFO] [stdout]   --> test_traits.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let pet1 = Dog{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet3`
[INFO] [stdout]   --> test_traits.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pet3 = Bear{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet4`
[INFO] [stdout]   --> test_traits.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let pet4 = tiger{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> myargs.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut myargs:Vec<String>=    args().collect();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver_license`
[INFO] [stdout]    --> main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let driver_license = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drivers_license`
[INFO] [stdout]    --> main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drivers_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> closures.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name:String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> mystructs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 22 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_vehical` is never used
[INFO] [stdout]   --> mystructs.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn new_vehical()-> Vehicle {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> test_traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<PetType: Animal> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> helpers.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         return full_name;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 4 -         return full_name;
[INFO] [stdout] 4 +         full_name
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> helpers.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         return age+5;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         return age+5;
[INFO] [stdout] 13 +         age+5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> optiontest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     return  opt1;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 4 -     return  opt1;
[INFO] [stdout] 4 +     opt1
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> optiontest.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | return opt1;
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 - return opt1;
[INFO] [stdout] 10 + opt1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> optiontest.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return chartype;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return chartype;
[INFO] [stdout] 17 +     chartype
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]   --> optiontest.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl ToString for CharaterType{
[INFO] [stdout] 28 | |     fn to_string(&self) -> String {
[INFO] [stdout] 29 | |         match self {
[INFO] [stdout] 30 | |             CharaterType::Archer => "Archer".to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: prefer implementing `Display` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]    = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> myiters.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut fruit_list_strings = fruit_list.iter().map(|e| String::from(*e) );
[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: unused variable: `all_foods`
[INFO] [stdout]   --> myiters.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let all_foods:Vec<&&str> = aggregate_foods.clone().collect();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_foods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_item`
[INFO] [stdout]   --> myiters.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         return new_vehicle;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 35 -         return new_vehicle;
[INFO] [stdout] 35 +         new_vehicle
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     return v1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 42 -     return v1;
[INFO] [stdout] 42 +     v1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> mymutex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut score = Mutex::new(0u128);
[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]  --> myargs.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut myargs:Vec<String>=    args().collect();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     return p1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     return p1;
[INFO] [stdout] 55 +     p1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver_license`
[INFO] [stdout]    --> main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let driver_license = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drivers_license`
[INFO] [stdout]    --> main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drivers_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> closures.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name:String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> mystructs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 22 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_vehical` is never used
[INFO] [stdout]   --> mystructs.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn new_vehical()-> Vehicle {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> test_traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<PetType: Animal> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `push` immediately after creation
[INFO] [stdout]  --> myvec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | /     let mut my_ints:Vec<i32>= Vec::new();
[INFO] [stdout] 3 | |
[INFO] [stdout] 4 | |     my_ints.push(30);
[INFO] [stdout] 5 | |     my_ints.push(40);
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     my_ints.push(70);
[INFO] [stdout] 9 | |     my_ints.push(80);
[INFO] [stdout]   | |_____________________^ help: consider using the `vec![]` macro: `let my_ints: Vec<i32> = vec![..];`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#vec_init_then_push
[INFO] [stdout]   = note: `#[warn(clippy::vec_init_then_push)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> helpers.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |         return full_name;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]   = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 4 -         return full_name;
[INFO] [stdout] 4 +         full_name
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]   --> myvec.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("first element in Vec is :{:?}",&(&my_ints).as_slice()[0..5]);
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: change this to: `my_ints`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]   --> myhashmap.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stock_list.remove(&("AAPL".to_string()));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"AAPL"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_to_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> helpers.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         return age+5;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         return age+5;
[INFO] [stdout] 13 +         age+5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myiters.rs:23:76
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout]    |                                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout] 23 +     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};e});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary operation
[INFO] [stdout]   --> myiters.rs:23:54
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: statement can be reduced to: `e.push_str("fruit");`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_operation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]   --> myiters.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]    = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let last_item = new_fruits.clone().last();
[INFO] [stdout] 27 +     let last_item = new_fruits.clone().next_back();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> optiontest.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     return  opt1;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 4 -     return  opt1;
[INFO] [stdout] 4 +     opt1
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> optiontest.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | return opt1;
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 - return opt1;
[INFO] [stdout] 10 + opt1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> optiontest.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return chartype;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return chartype;
[INFO] [stdout] 17 +     chartype
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]   --> optiontest.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl ToString for CharaterType{
[INFO] [stdout] 28 | |     fn to_string(&self) -> String {
[INFO] [stdout] 29 | |         match self {
[INFO] [stdout] 30 | |             CharaterType::Archer => "Archer".to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: prefer implementing `Display` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]    = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         return new_vehicle;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 35 -         return new_vehicle;
[INFO] [stdout] 35 +         new_vehicle
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     return v1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 42 -     return v1;
[INFO] [stdout] 42 +     v1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> mystructs.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     return p1;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     return p1;
[INFO] [stdout] 55 +     p1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> test_traits.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn make_sound(&self) -> () {
[INFO] [stdout]    |                         ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `push` immediately after creation
[INFO] [stdout]  --> myvec.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | /     let mut my_ints:Vec<i32>= Vec::new();
[INFO] [stdout] 3 | |
[INFO] [stdout] 4 | |     my_ints.push(30);
[INFO] [stdout] 5 | |     my_ints.push(40);
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     my_ints.push(70);
[INFO] [stdout] 9 | |     my_ints.push(80);
[INFO] [stdout]   | |_____________________^ help: consider using the `vec![]` macro: `let my_ints: Vec<i32> = vec![..];`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#vec_init_then_push
[INFO] [stdout]   = note: `#[warn(clippy::vec_init_then_push)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression borrows a value the compiler would automatically borrow
[INFO] [stdout]   --> myvec.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("first element in Vec is :{:?}",&(&my_ints).as_slice()[0..5]);
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: change this to: `my_ints`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `to_string`
[INFO] [stdout]   --> myhashmap.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     stock_list.remove(&("AAPL".to_string()));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `"AAPL"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_to_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `guard` after checking its variant with `is_ok`
[INFO] [stdout]   --> mymutex.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if guard.is_ok() {
[INFO] [stdout]    |             ---------------- help: try: `if let Ok(<item>) = guard`
[INFO] [stdout] 31 |                 let mut data = guard.unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this let-binding has unit value
[INFO] [stdout]   --> mymutex.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     _= scope(|s| {
[INFO] [stdout] 44 | |         s.spawn(myfunc2).join(); 
[INFO] [stdout] 45 | |         s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stdout]    = note: `#[warn(clippy::let_unit_value)]` on by default
[INFO] [stdout] help: omit the `let` binding
[INFO] [stdout]    |
[INFO] [stdout] 43 -     _= scope(|s| {
[INFO] [stdout] 43 +     scope(|s| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `receive_result` after checking its variant with `is_ok`
[INFO] [stdout]   --> mympsc.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if receive_result.is_ok(){
[INFO] [stdout]    |             ------------------------- help: try: `if let Ok(<item>) = receive_result`
[INFO] [stdout] 23 |                 print!("received message: {}",receive_result.unwrap());
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myiters.rs:23:76
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout]    |                                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 23 -     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout] 23 +     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};e});
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary operation
[INFO] [stdout]   --> myiters.rs:23:54
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let new_fruits = fruit_list_strings.map(|mut e| {{e.push_str("fruit")};return e;});
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: statement can be reduced to: `e.push_str("fruit");`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_operation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myfs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         return a;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         return a;
[INFO] [stdout] 10 +         a
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `Iterator::last` on a `DoubleEndedIterator`; this will needlessly iterate the entire iterator
[INFO] [stdout]   --> myiters.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last
[INFO] [stdout]    = note: `#[warn(clippy::double_ended_iterator_last)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 27 -     let last_item = new_fruits.clone().last();
[INFO] [stdout] 27 +     let last_item = new_fruits.clone().next_back();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> myargs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     if !parsed_year.is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: try: `parsed_year.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myargs.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return Dog {name,year_born};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return Dog {name,year_born};
[INFO] [stdout] 33 +     Dog {name,year_born}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression returns a bool literal
[INFO] [stdout]    --> main.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `age >= 16`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stdout]     = note: `#[warn(clippy::needless_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> myiters.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let fruit_list = vec!["strawberry","blueberry","mango","Apple","Orange"];
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["strawberry","blueberry","mango","Apple","Orange"]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]   = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> myiters.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let first_name = vec!["Trevor","Shannon","James","Tasha"];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["Trevor","Shannon","James","Tasha"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> myiters.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let last_name = vec!["Jones","Sullivan","Tanner","Redman"];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["Jones","Sullivan","Tanner","Redman"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mymutex.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         s.spawn(myfunc2).join(); 
[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] 44 |         let _ = s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mymutex.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         s.spawn(myfunc).join(); // thread one is working on mutex
[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] 45 |         let _ = s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> mympsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rx.recv_timeout(Duration::from_millis(300));
[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] 7 |     let _ = rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mympsc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |    std::thread::spawn(processor_code).join();
[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] 46 |    let _ = std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `guard` after checking its variant with `is_ok`
[INFO] [stdout]   --> mymutex.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |             if guard.is_ok() {
[INFO] [stdout]    |             ---------------- help: try: `if let Ok(<item>) = guard`
[INFO] [stdout] 31 |                 let mut data = guard.unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this let-binding has unit value
[INFO] [stdout]   --> mymutex.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     _= scope(|s| {
[INFO] [stdout] 44 | |         s.spawn(myfunc2).join(); 
[INFO] [stdout] 45 | |         s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stdout]    = note: `#[warn(clippy::let_unit_value)]` on by default
[INFO] [stdout] help: omit the `let` binding
[INFO] [stdout]    |
[INFO] [stdout] 43 -     _= scope(|s| {
[INFO] [stdout] 43 +     scope(|s| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `receive_result` after checking its variant with `is_ok`
[INFO] [stdout]   --> mympsc.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if receive_result.is_ok(){
[INFO] [stdout]    |             ------------------------- help: try: `if let Ok(<item>) = receive_result`
[INFO] [stdout] 23 |                 print!("received message: {}",receive_result.unwrap());
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myfs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         return a;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         return a;
[INFO] [stdout] 10 +         a
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> myargs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     if !parsed_year.is_ok() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^ help: try: `parsed_year.is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> myargs.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return Dog {name,year_born};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return Dog {name,year_born};
[INFO] [stdout] 33 +     Dog {name,year_born}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this if-then-else expression returns a bool literal
[INFO] [stdout]    --> main.rs:118:27
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `age >= 16`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stdout]     = note: `#[warn(clippy::needless_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]  --> myiters.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let fruit_list = vec!["strawberry","blueberry","mango","Apple","Orange"];
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["strawberry","blueberry","mango","Apple","Orange"]`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]   = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> myiters.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let first_name = vec!["Trevor","Shannon","James","Tasha"];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["Trevor","Shannon","James","Tasha"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> myiters.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let last_name = vec!["Jones","Sullivan","Tanner","Redman"];
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `["Jones","Sullivan","Tanner","Redman"]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mymutex.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         s.spawn(myfunc2).join(); 
[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] 44 |         let _ = s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mymutex.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         s.spawn(myfunc).join(); // thread one is working on mutex
[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] 45 |         let _ = s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> mympsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rx.recv_timeout(Duration::from_millis(300));
[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] 7 |     let _ = rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> mympsc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |    std::thread::spawn(processor_code).join();
[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] 46 |    let _ = std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "604c42cc360a0e3ccfec398b4ffd7bfdf9a573c31f03f0339f88a22569eb92cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604c42cc360a0e3ccfec398b4ffd7bfdf9a573c31f03f0339f88a22569eb92cd", kill_on_drop: false }`
[INFO] [stdout] 604c42cc360a0e3ccfec398b4ffd7bfdf9a573c31f03f0339f88a22569eb92cd