[INFO] cloning repository https://github.com/c-n-o-t-e/learningRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c-n-o-t-e/learningRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-n-o-t-e%2FlearningRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-n-o-t-e%2FlearningRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9b60ddb0887e8454808f033574c5b4517691a4
[INFO] testing c-n-o-t-e/learningRust against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-n-o-t-e%2FlearningRust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/c-n-o-t-e/learningRust
[INFO] finished tweaking git repo https://github.com/c-n-o-t-e/learningRust
[INFO] tweaked toml for git repo https://github.com/c-n-o-t-e/learningRust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/c-n-o-t-e/learningRust on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/c-n-o-t-e/learningRust 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ae4590e494bc59f1322e3c8ffbb829b34a0152d6f385cd207e5721db47353a
[INFO] running `Command { std: "docker" "start" "-a" "64ae4590e494bc59f1322e3c8ffbb829b34a0152d6f385cd207e5721db47353a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ae4590e494bc59f1322e3c8ffbb829b34a0152d6f385cd207e5721db47353a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ae4590e494bc59f1322e3c8ffbb829b34a0152d6f385cd207e5721db47353a", kill_on_drop: false }`
[INFO] [stdout] 64ae4590e494bc59f1322e3c8ffbb829b34a0152d6f385cd207e5721db47353a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e7353841c2de1a50c3dc0447d9129db8fcbfec1cf276091ae2da1d60cb4dca
[INFO] running `Command { std: "docker" "start" "-a" "b6e7353841c2de1a50c3dc0447d9129db8fcbfec1cf276091ae2da1d60cb4dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling learn_rust999999911111999 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]   --> src/lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub struct Customer {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 58 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 60 |         email: 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 `id` and `customer` are never read
[INFO] [stdout]   --> src/lib.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub struct Order {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 74 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 75 |         product: Product,
[INFO] [stdout] 76 |         customer: Customer,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Point_2D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct Point_2D(i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point2d`
[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: type `Point_3D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extracted_owner`
[INFO] [stdout]   --> src/bin/struct.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let extracted_owner: String = my_car.owner.clone(); // fix use .clone() or  &String = &my_car.owner
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extracted_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_2D`
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_2D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_3D`
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let point = Point_2D(1, 3);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let point = Point_3D(2, 33, 12);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/bin/struct.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let new_owner = my_car.sell();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `monthly_insurance` and `selling_price` are never used
[INFO] [stdout]   --> src/bin/struct.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Car {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout]  9 |     // Associates functions
[INFO] [stdout] 10 |     fn monthly_insurance() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn selling_price(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::primitive`
[INFO] [stdout]  --> src/bin/optionAndResult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/bin/struct.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct Point_2D(i32, i32);
[INFO] [stdout]    |            -------- ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `salary` is never read
[INFO] [stdout]  --> src/bin/function_pointers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     salary: u32,
[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 `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/struct.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stdout]    |            -------- ^^^  ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let mut grade: char = 'F';
[INFO] [stdout]    |                             ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     grade = match marks {
[INFO] [stdout] 28 | |         90..=100 => 'A',
[INFO] [stdout] 29 | |         80..=89 => 'B',
[INFO] [stdout] 30 | |         70..=79 => 'C',
[INFO] [stdout] 31 | |         60..=69 => 'D',
[INFO] [stdout] 32 | |         _ => 'F',
[INFO] [stdout] 33 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ABC` is never constructed
[INFO] [stdout]   --> src/bin/struct.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     struct ABC;
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/super_traits.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/super_traits.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/iterating_though_option.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut products = vec!["cellphone", "battery", "charger"];
[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: variants `CircleArea`, `RectangleArea`, and `Perimeter` are never constructed
[INFO] [stdout]  --> src/bin/optionTask.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Measurement {
[INFO] [stdout]   |      ----------- variants in this enum
[INFO] [stdout] 4 |     CircleArea(f64),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     RectangleArea(f64, f64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     TriangleArea(f64, f64),
[INFO] [stdout] 7 |     Perimeter(Vec<f64>),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_2D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_2_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_3D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_3_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/bin/traits_bound.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let c1 = Circle { radius: 5.0 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_bound.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_bound.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `radius` is never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 82 |     radius: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/closures.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut banned_user = String::from("banned user");
[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: field `salary` is never read
[INFO] [stdout]  --> src/bin/closures.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     salary: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/iterating_through_collections.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec_1 = vec![45, 30, 85, 90, 41, 39];
[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: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Saturday` are never constructed
[INFO] [stdout]  --> src/bin/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Days {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 3 |     Monday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     Tuesday,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Wednesday,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     Thursday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Friday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     Saturday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Days` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Train` is never constructed
[INFO] [stdout]   --> src/bin/enums.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum TravelType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Car(f32),
[INFO] [stdout] 14 |     Train(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Km {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 12 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Km` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Miles {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 22 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Miles` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Kmh` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let speed_Kmh = Kmh { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `speed_kmh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Km` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let distance_Km = speed_Kmh.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `distance_km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Mph` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let speed_Mph = Mph { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `speed_mph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Miles` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let distance_Miles = speed_Mph.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `distance_miles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Properties` is never used
[INFO] [stdout]  --> src/bin/traits_derived_and_marker.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Properties: PartialEq + Default + Clone {}
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Car {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 10 |     model: 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: field `brand` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Bicycle {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 22 |     brand: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Bus {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 28 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_object.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn returns_shape(dimension: Vec<f32>) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/traits_object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shape_properties_static` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn shape_properties_static<T>(object: T)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `VecContainer_i32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traits_associated_typesTask.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct VecContainer_i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VecContainerI32`
[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: fields `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Square {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     side: f32,
[INFO] [stdout] 11 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let p2 = Point::new(5, 5.0);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_1` is never used
[INFO] [stdout]   --> src/bin/generics.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point<i32, i32> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn new_1(x: i32, y: i32) -> Point<i32, i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printing` is never used
[INFO] [stdout]   --> src/bin/generics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Point<f64, f64> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 30 |     fn printing(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_i32` is never used
[INFO] [stdout]   --> src/bin/generics.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_f64` is never used
[INFO] [stdout]   --> src/bin/generics.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_1`
[INFO] [stdout]   --> src/bin/genericsTask.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let op_1 = Operation::Addition(5, 10);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_2`
[INFO] [stdout]   --> src/bin/genericsTask.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let op_2 = Operation::Multiplication(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_3`
[INFO] [stdout]   --> src/bin/genericsTask.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let op_3 = Operation::Subtraction(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_4`
[INFO] [stdout]   --> src/bin/genericsTask.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let op_4 = Operation::Division(2, 3);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Employee_Records` should have an upper camel case name
[INFO] [stdout]   --> src/bin/iterators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Employee_Records {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EmployeeRecords`
[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: unused import: `hash::Hash`
[INFO] [stdout]  --> src/bin/hashMaps.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash, vec};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn double(x: i32) -> i32 {
[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 `triple` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn triple(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[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/bin/iterators.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut emp_1 = Employee {
[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/bin/iterators.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut emp_2 = Employee {
[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/bin/iterators.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut emp_db = Employee_Records {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `salary` are never read
[INFO] [stdout]   --> src/bin/iterators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Employee {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     salary: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/bin/var.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let a: i32 = 5; // signed 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/var.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let b: u32 = 5; // unsigned 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/bin/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c: i64 = 5; // signed 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/var.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let d: u64 = 5; // unsigned 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]  --> src/bin/var.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let e: f32 = 5.0; // 32-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/var.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let f: f64 = 5.0; // 64-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/bin/var.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let g: bool = true; // boolean
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let h: char = 'a'; // character
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/var.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let i: &str = "Hello, World!"; // string slice
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/var.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let j: String = String::from("Hello, World!"); // string
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/var.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let k: [i32; 5] = [1, 2, 3, 4, 5]; // array
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/bin/var.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let l: (i32, f64, u8) = (500, 6.4, 1); // tuple
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let h: Vec<i32> = Vec::new(); // vector
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/var.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n: Option<i32> = Some(5); // option
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/bin/var.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let o: Result<i32, i32> = Ok(5); // result
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/bin/var.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let p: Box<i32> = Box::new(5); // box
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `author`, and `genre` are never read
[INFO] [stdout]   --> src/bin/intoIter.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Book {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 14 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     genre: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/hashMapsTask.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     student_database.add_student(Student {
[INFO] [stdout] 71 | |         id: 1,
[INFO] [stdout] 72 | |         name: String::from("Victor"),
[INFO] [stdout] 73 | |         grade: 'A',
[INFO] [stdout] 74 | |     });
[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] 70 |     let _ = student_database.add_student(Student {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Magazine` is never constructed
[INFO] [stdout]   --> src/bin/structTask.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ItemType {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 24 |     Book,
[INFO] [stdout] 25 |     Magazine,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `year`, and `type_of_book` are never read
[INFO] [stdout]   --> src/bin/structTask.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Item {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 30 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     year: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     type_of_book: ItemType,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b6e7353841c2de1a50c3dc0447d9129db8fcbfec1cf276091ae2da1d60cb4dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e7353841c2de1a50c3dc0447d9129db8fcbfec1cf276091ae2da1d60cb4dca", kill_on_drop: false }`
[INFO] [stdout] b6e7353841c2de1a50c3dc0447d9129db8fcbfec1cf276091ae2da1d60cb4dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a52b05528aff279ada8828103fec81b0eab76a1d125e8773e97091e2fca9b6
[INFO] running `Command { std: "docker" "start" "-a" "57a52b05528aff279ada8828103fec81b0eab76a1d125e8773e97091e2fca9b6", kill_on_drop: false }`
[INFO] [stdout] warning: fields `id`, `name`, and `email` are never read
[INFO] [stdout]   --> src/lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub struct Customer {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 58 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 60 |         email: 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 `id` and `customer` are never read
[INFO] [stdout]   --> src/lib.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub struct Order {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 74 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 75 |         product: Product,
[INFO] [stdout] 76 |         customer: Customer,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/closures.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut banned_user = String::from("banned user");
[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: field `salary` is never read
[INFO] [stdout]  --> src/bin/closures.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     salary: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `salary` is never read
[INFO] [stdout]  --> src/bin/function_pointers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     salary: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling learn_rust999999911111999 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op_1`
[INFO] [stdout]   --> src/bin/genericsTask.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let op_1 = Operation::Addition(5, 10);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_2`
[INFO] [stdout]   --> src/bin/genericsTask.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let op_2 = Operation::Multiplication(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_3`
[INFO] [stdout]   --> src/bin/genericsTask.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let op_3 = Operation::Subtraction(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_4`
[INFO] [stdout]   --> src/bin/genericsTask.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let op_4 = Operation::Division(2, 3);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/iterating_though_option.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut products = vec!["cellphone", "battery", "charger"];
[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: variants `CircleArea`, `RectangleArea`, and `Perimeter` are never constructed
[INFO] [stdout]  --> src/bin/optionTask.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Measurement {
[INFO] [stdout]   |      ----------- variants in this enum
[INFO] [stdout] 4 |     CircleArea(f64),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     RectangleArea(f64, f64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     TriangleArea(f64, f64),
[INFO] [stdout] 7 |     Perimeter(Vec<f64>),
[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 `double` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn double(x: i32) -> i32 {
[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 `triple` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn triple(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Point_2D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct Point_2D(i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point2d`
[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: type `Point_3D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extracted_owner`
[INFO] [stdout]   --> src/bin/struct.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let extracted_owner: String = my_car.owner.clone(); // fix use .clone() or  &String = &my_car.owner
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extracted_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_2D`
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_2D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_3D`
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let point = Point_2D(1, 3);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let point = Point_3D(2, 33, 12);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/bin/struct.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let new_owner = my_car.sell();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `monthly_insurance` and `selling_price` are never used
[INFO] [stdout]   --> src/bin/struct.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Car {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout]  9 |     // Associates functions
[INFO] [stdout] 10 |     fn monthly_insurance() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn selling_price(&self) -> u32 {
[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 `0` and `1` are never read
[INFO] [stdout]   --> src/bin/struct.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct Point_2D(i32, i32);
[INFO] [stdout]    |            -------- ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/bin/struct.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stdout]    |            -------- ^^^  ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ABC` is never constructed
[INFO] [stdout]   --> src/bin/struct.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     struct ABC;
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_2D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_2_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_3D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_3_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Magazine` is never constructed
[INFO] [stdout]   --> src/bin/structTask.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ItemType {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 24 |     Book,
[INFO] [stdout] 25 |     Magazine,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `year`, and `type_of_book` are never read
[INFO] [stdout]   --> src/bin/structTask.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Item {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 30 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     year: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     type_of_book: ItemType,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `author`, and `genre` are never read
[INFO] [stdout]   --> src/bin/intoIter.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Book {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 14 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     genre: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Km {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 12 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Km` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Miles {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 22 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Miles` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Kmh` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let speed_Kmh = Kmh { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `speed_kmh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Km` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let distance_Km = speed_Kmh.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `distance_km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Mph` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let speed_Mph = Mph { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `speed_mph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Miles` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let distance_Miles = speed_Mph.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `distance_miles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let p2 = Point::new(5, 5.0);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_1` is never used
[INFO] [stdout]   --> src/bin/generics.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point<i32, i32> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn new_1(x: i32, y: i32) -> Point<i32, i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printing` is never used
[INFO] [stdout]   --> src/bin/generics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Point<f64, f64> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 30 |     fn printing(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_i32` is never used
[INFO] [stdout]   --> src/bin/generics.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_f64` is never used
[INFO] [stdout]   --> src/bin/generics.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/bin/hashMaps.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash, vec};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let mut grade: char = 'F';
[INFO] [stdout]    |                             ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     grade = match marks {
[INFO] [stdout] 28 | |         90..=100 => 'A',
[INFO] [stdout] 29 | |         80..=89 => 'B',
[INFO] [stdout] 30 | |         70..=79 => 'C',
[INFO] [stdout] 31 | |         60..=69 => 'D',
[INFO] [stdout] 32 | |         _ => 'F',
[INFO] [stdout] 33 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Square {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     side: f32,
[INFO] [stdout] 11 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/hashMapsTask.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     student_database.add_student(Student {
[INFO] [stdout] 71 | |         id: 1,
[INFO] [stdout] 72 | |         name: String::from("Victor"),
[INFO] [stdout] 73 | |         grade: 'A',
[INFO] [stdout] 74 | |     });
[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] 70 |     let _ = student_database.add_student(Student {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `salary` is never read
[INFO] [stdout]  --> src/bin/function_pointers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     salary: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::primitive`
[INFO] [stdout]  --> src/bin/optionAndResult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::primitive;
[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 variable: `c1`
[INFO] [stdout]   --> src/bin/traits_bound.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let c1 = Circle { radius: 5.0 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_bound.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_bound.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `radius` is never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 82 |     radius: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Magazine` is never constructed
[INFO] [stdout]   --> src/bin/structTask.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ItemType {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 24 |     Book,
[INFO] [stdout] 25 |     Magazine,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `title`, `year`, and `type_of_book` are never read
[INFO] [stdout]   --> src/bin/structTask.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Item {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 30 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     year: u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     type_of_book: ItemType,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `author`, and `genre` are never read
[INFO] [stdout]   --> src/bin/intoIter.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Book {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 14 |     title: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     genre: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[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: `result`
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `VecContainer_i32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traits_associated_typesTask.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct VecContainer_i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VecContainerI32`
[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: type `Point_2D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     struct Point_2D(i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point2d`
[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: type `Point_3D` should have an upper camel case name
[INFO] [stdout]   --> src/bin/struct.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point3d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/super_traits.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/super_traits.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Square {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     side: f32,
[INFO] [stdout] 11 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 20 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extracted_owner`
[INFO] [stdout]   --> src/bin/struct.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let extracted_owner: String = my_car.owner.clone(); // fix use .clone() or  &String = &my_car.owner
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extracted_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_2D`
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_2D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_3D`
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let point = Point_2D(1, 3);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> src/bin/struct.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let point = Point_3D(2, 33, 12);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/bin/struct.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let new_owner = my_car.sell();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `monthly_insurance` and `selling_price` are never used
[INFO] [stdout]   --> src/bin/struct.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Car {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout]  9 |     // Associates functions
[INFO] [stdout] 10 |     fn monthly_insurance() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn selling_price(&self) -> u32 {
[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 `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_object.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn returns_shape(dimension: Vec<f32>) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_2D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let point_2D = (1, 3);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_2_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/traits_object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shape_properties_static` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn shape_properties_static<T>(object: T)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `point_3D` should have a snake case name
[INFO] [stdout]   --> src/bin/struct.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let point_3D = (12, 33, 12);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_3_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `VecContainer_i32` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traits_associated_typesTask.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct VecContainer_i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VecContainerI32`
[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: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Car {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 10 |     model: 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: field `brand` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Bicycle {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 22 |     brand: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Bus {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 28 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/bin/traits_bound.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let c1 = Circle { radius: 5.0 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_bound.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_bound.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `radius` is never read
[INFO] [stdout]   --> src/bin/traits_bound.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 82 |     radius: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Employee_Records` should have an upper camel case name
[INFO] [stdout]   --> src/bin/iterators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Employee_Records {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EmployeeRecords`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/iterators.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut emp_1 = Employee {
[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/bin/iterators.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut emp_2 = Employee {
[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/bin/iterators.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut emp_db = Employee_Records {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `salary` are never read
[INFO] [stdout]   --> src/bin/iterators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Employee {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     salary: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Km {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 12 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Km` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Miles {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 22 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Miles` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Kmh` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let speed_Kmh = Kmh { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `speed_kmh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Km` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let distance_Km = speed_Kmh.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `distance_km`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::primitive`
[INFO] [stdout]  --> src/bin/optionAndResult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::primitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `speed_Mph` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let speed_Mph = Mph { value: 90 };
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `speed_mph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `distance_Miles` should have a snake case name
[INFO] [stdout]   --> src/bin/traits_associated_types.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let distance_Miles = speed_Mph.distance_in_three_hours();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `distance_miles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Properties` is never used
[INFO] [stdout]  --> src/bin/traits_derived_and_marker.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Properties: PartialEq + Default + Clone {}
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/iterating_through_collections.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec_1 = vec![45, 30, 85, 90, 41, 39];
[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: `a`
[INFO] [stdout]  --> src/bin/var.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let a: i32 = 5; // signed 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/var.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let b: u32 = 5; // unsigned 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/bin/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c: i64 = 5; // signed 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/var.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let d: u64 = 5; // unsigned 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]  --> src/bin/var.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let e: f32 = 5.0; // 32-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/var.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let f: f64 = 5.0; // 64-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/bin/var.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let g: bool = true; // boolean
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let h: char = 'a'; // character
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/var.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let i: &str = "Hello, World!"; // string slice
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/var.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let j: String = String::from("Hello, World!"); // string
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/var.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let k: [i32; 5] = [1, 2, 3, 4, 5]; // array
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/bin/var.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let l: (i32, f64, u8) = (500, 6.4, 1); // tuple
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let h: Vec<i32> = Vec::new(); // vector
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/var.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n: Option<i32> = Some(5); // option
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/bin/var.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let o: Result<i32, i32> = Ok(5); // result
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/bin/var.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let p: Box<i32> = Box::new(5); // box
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_1`
[INFO] [stdout]   --> src/bin/genericsTask.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let op_1 = Operation::Addition(5, 10);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/traits_object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/traits_object.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn returns_shape(dimension: Vec<f32>) -> Box<dyn Shape> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]   --> src/bin/traits_object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shape_properties_static` is never used
[INFO] [stdout]   --> src/bin/traits_object.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn shape_properties_static<T>(object: T)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_2`
[INFO] [stdout]   --> src/bin/genericsTask.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let op_2 = Operation::Multiplication(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_3`
[INFO] [stdout]   --> src/bin/genericsTask.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let op_3 = Operation::Subtraction(3.5, 2.0);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_4`
[INFO] [stdout]   --> src/bin/genericsTask.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let op_4 = Operation::Division(2, 3);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/bin/hashMaps.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash, vec};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |       let mut grade: char = 'F';
[INFO] [stdout]    |                             ^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `grade` is never read
[INFO] [stdout]   --> src/bin/conditionals.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     grade = if marks >= 90 {
[INFO] [stdout] 15 | |         'A'
[INFO] [stdout] 16 | |     } else if marks >= 80 {
[INFO] [stdout] 17 | |         'B'
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         'F'
[INFO] [stdout] 24 | |     };
[INFO] [stdout]    | |_____^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 27 | /     grade = match marks {
[INFO] [stdout] 28 | |         90..=100 => 'A',
[INFO] [stdout] 29 | |         80..=89 => 'B',
[INFO] [stdout] 30 | |         70..=79 => 'C',
[INFO] [stdout] 31 | |         60..=69 => 'D',
[INFO] [stdout] 32 | |         _ => 'F',
[INFO] [stdout] 33 | |     };
[INFO] [stdout]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn double(x: i32) -> i32 {
[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 `triple` is never used
[INFO] [stdout]   --> src/bin/functionTask.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn triple(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/iterating_though_option.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut products = vec!["cellphone", "battery", "charger"];
[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: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Saturday` are never constructed
[INFO] [stdout]  --> src/bin/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Days {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 3 |     Monday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     Tuesday,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Wednesday,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     Thursday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Friday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     Saturday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Days` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/closures.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut banned_user = String::from("banned user");
[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: variant `Train` is never constructed
[INFO] [stdout]   --> src/bin/enums.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum TravelType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Car(f32),
[INFO] [stdout] 14 |     Train(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `salary` is never read
[INFO] [stdout]  --> src/bin/closures.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     salary: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Employee_Records` should have an upper camel case name
[INFO] [stdout]   --> src/bin/iterators.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Employee_Records {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EmployeeRecords`
[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: unused variable: `a`
[INFO] [stdout]  --> src/bin/var.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let a: i32 = 5; // signed 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/bin/var.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let b: u32 = 5; // unsigned 32-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/bin/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c: i64 = 5; // signed 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/bin/var.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let d: u64 = 5; // unsigned 64-bit integer
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]  --> src/bin/var.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let e: f32 = 5.0; // 32-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/var.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let f: f64 = 5.0; // 64-bit floating point
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> src/bin/var.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let g: bool = true; // boolean
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let h: char = 'a'; // character
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/var.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let i: &str = "Hello, World!"; // string slice
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/bin/var.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let j: String = String::from("Hello, World!"); // string
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/var.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let k: [i32; 5] = [1, 2, 3, 4, 5]; // array
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/bin/var.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let l: (i32, f64, u8) = (500, 6.4, 1); // tuple
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/bin/var.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let h: Vec<i32> = Vec::new(); // vector
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/bin/var.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let n: Option<i32> = Some(5); // option
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/bin/var.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let o: Result<i32, i32> = Ok(5); // result
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/bin/var.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let p: Box<i32> = Box::new(5); // box
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/iterators.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut emp_1 = Employee {
[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/bin/iterators.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut emp_2 = Employee {
[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/bin/iterators.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut emp_db = Employee_Records {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `salary` are never read
[INFO] [stdout]   --> src/bin/iterators.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Employee {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     salary: u16,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Saturday` are never constructed
[INFO] [stdout]  --> src/bin/enums.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Days {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 3 |     Monday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     Tuesday,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Wednesday,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 6 |     Thursday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     Friday,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     Saturday,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Days` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Train` is never constructed
[INFO] [stdout]   --> src/bin/enums.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum TravelType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Car(f32),
[INFO] [stdout] 14 |     Train(f32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Properties` is never used
[INFO] [stdout]  --> src/bin/traits_derived_and_marker.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Properties: PartialEq + Default + Clone {}
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[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: `result`
[INFO] [stdout]  --> src/bin/combinators_task.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line_width` and `color` are never read
[INFO] [stdout]  --> src/bin/super_traits.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Square {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 6 |     side: f32,
[INFO] [stdout] 7 |     line_width: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 8 |     color: 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 `line_width` and `color` are never read
[INFO] [stdout]   --> src/bin/super_traits.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     line_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 15 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw_object` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Draw {
[INFO] [stdout]    |       ---- method in this trait
[INFO] [stdout] 19 |     fn draw_object(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_shape` is never used
[INFO] [stdout]   --> src/bin/super_traits.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn returns_shape() -> impl Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Car {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 10 |     model: 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: field `brand` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Bicycle {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 22 |     brand: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/bin/traitsTask.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Bus {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 28 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CircleArea`, `RectangleArea`, and `Perimeter` are never constructed
[INFO] [stdout]  --> src/bin/optionTask.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Measurement {
[INFO] [stdout]   |      ----------- variants in this enum
[INFO] [stdout] 4 |     CircleArea(f64),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     RectangleArea(f64, f64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     TriangleArea(f64, f64),
[INFO] [stdout] 7 |     Perimeter(Vec<f64>),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:39:41
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/bin/generics.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:43:41
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/bin/generics.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let p2 = Point::new(5, 5.0);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_1` is never used
[INFO] [stdout]   --> src/bin/generics.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Point<i32, i32> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn new_1(x: i32, y: i32) -> Point<i32, i32> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `printing` is never used
[INFO] [stdout]   --> src/bin/generics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Point<f64, f64> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 30 |     fn printing(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_i32` is never used
[INFO] [stdout]   --> src/bin/generics.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_points_f64` is never used
[INFO] [stdout]   --> src/bin/generics.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/iterating_through_collections.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec_1 = vec![45, 30, 85, 90, 41, 39];
[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: fields `id`, `name`, and `email` are never read
[INFO] [stdout]   --> src/lib.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub struct Customer {
[INFO] [stdout]    |                -------- fields in this struct
[INFO] [stdout] 58 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 60 |         email: 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 `id` and `customer` are never read
[INFO] [stdout]   --> src/lib.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub struct Order {
[INFO] [stdout]    |                ----- fields in this struct
[INFO] [stdout] 74 |         id: u64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 75 |         product: Product,
[INFO] [stdout] 76 |         customer: Customer,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/hashMapsTask.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | /     student_database.add_student(Student {
[INFO] [stdout] 71 | |         id: 1,
[INFO] [stdout] 72 | |         name: String::from("Victor"),
[INFO] [stdout] 73 | |         grade: 'A',
[INFO] [stdout] 74 | |     });
[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] 70 |     let _ = student_database.add_student(Student {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "57a52b05528aff279ada8828103fec81b0eab76a1d125e8773e97091e2fca9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a52b05528aff279ada8828103fec81b0eab76a1d125e8773e97091e2fca9b6", kill_on_drop: false }`
[INFO] [stdout] 57a52b05528aff279ada8828103fec81b0eab76a1d125e8773e97091e2fca9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f77c049491fc3e7d460a1e3984a32842bfd7663288587d9d4f8440a7d909bed0
[INFO] running `Command { std: "docker" "start" "-a" "f77c049491fc3e7d460a1e3984a32842bfd7663288587d9d4f8440a7d909bed0", kill_on_drop: false }`
[INFO] [stderr] warning: fields `id`, `name`, and `email` are never read
[INFO] [stderr]   --> src/lib.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub struct Customer {
[INFO] [stderr]    |                -------- fields in this struct
[INFO] [stderr] 58 |         id: u64,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 59 |         name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 60 |         email: String,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `customer` are never read
[INFO] [stderr]   --> src/lib.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub struct Order {
[INFO] [stderr]    |                ----- fields in this struct
[INFO] [stderr] 74 |         id: u64,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 75 |         product: Product,
[INFO] [stderr] 76 |         customer: Customer,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust999999911111999` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/bin/hashMaps.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, hash::Hash, vec};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/closures.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut banned_user = String::from("banned user");
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `salary` is never read
[INFO] [stderr]  --> src/bin/closures.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct User {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 8 |     salary: u32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Employee_Records` should have an upper camel case name
[INFO] [stderr]   --> src/bin/iterators.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Employee_Records {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `EmployeeRecords`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/iterators.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut emp_1 = Employee {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/iterators.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut emp_2 = Employee {
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/iterators.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut emp_db = Employee_Records {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `salary` are never read
[INFO] [stderr]   --> src/bin/iterators.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Employee {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 15 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 16 |     salary: u16,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Employee` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `grade` is never read
[INFO] [stderr]   --> src/bin/conditionals.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |       let mut grade: char = 'F';
[INFO] [stderr]    |                             ^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 14 | /     grade = if marks >= 90 {
[INFO] [stderr] 15 | |         'A'
[INFO] [stderr] 16 | |     } else if marks >= 80 {
[INFO] [stderr] 17 | |         'B'
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         'F'
[INFO] [stderr] 24 | |     };
[INFO] [stderr]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `grade` is never read
[INFO] [stderr]   --> src/bin/conditionals.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     grade = if marks >= 90 {
[INFO] [stderr] 15 | |         'A'
[INFO] [stderr] 16 | |     } else if marks >= 80 {
[INFO] [stderr] 17 | |         'B'
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         'F'
[INFO] [stderr] 24 | |     };
[INFO] [stderr]    | |_____^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 27 | /     grade = match marks {
[INFO] [stderr] 28 | |         90..=100 => 'A',
[INFO] [stderr] 29 | |         80..=89 => 'B',
[INFO] [stderr] 30 | |         70..=79 => 'C',
[INFO] [stderr] 31 | |         60..=69 => 'D',
[INFO] [stderr] 32 | |         _ => 'F',
[INFO] [stderr] 33 | |     };
[INFO] [stderr]    | |_____- `grade` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/bin/traits_bound.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let c1 = Circle { radius: 5.0 };
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]  --> src/bin/traits_bound.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Square {
[INFO] [stderr]   |        ------ fields in this struct
[INFO] [stderr] 6 |     side: f32,
[INFO] [stderr] 7 |     line_width: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 8 |     color: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]   --> src/bin/traits_bound.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Rectangle {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     line_width: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 15 |     color: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returns_shape` is never used
[INFO] [stderr]   --> src/bin/traits_bound.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn returns_shape() -> impl Shape {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `radius` is never read
[INFO] [stderr]   --> src/bin/traits_bound.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct Circle {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 82 |     radius: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]   --> src/bin/traits.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Square {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 10 |     side: f32,
[INFO] [stderr] 11 |     line_width: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 12 |     color: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]   --> src/bin/traits.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Rectangle {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     line_width: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 20 |     color: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `title`, `author`, and `genre` are never read
[INFO] [stderr]   --> src/bin/intoIter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Book {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 14 |     title: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 15 |     author: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     genre: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `CircleArea`, `RectangleArea`, and `Perimeter` are never constructed
[INFO] [stderr]  --> src/bin/optionTask.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Measurement {
[INFO] [stderr]   |      ----------- variants in this enum
[INFO] [stderr] 4 |     CircleArea(f64),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 5 |     RectangleArea(f64, f64),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 6 |     TriangleArea(f64, f64),
[INFO] [stderr] 7 |     Perimeter(Vec<f64>),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/bin/generics.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stderr]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/generics.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn add_points<T, U>(p1: &Point<T, U>, p2: &Point<T, U>) -> Point<T, U> {
[INFO] [stderr]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/bin/generics.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stderr]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/generics.rs:39:41
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/bin/generics.rs:43:19
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stderr]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/generics.rs:43:41
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stderr]    |                                         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/bin/generics.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let p2 = Point::new(5, 5.0);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_1` is never used
[INFO] [stderr]   --> src/bin/generics.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Point<i32, i32> {
[INFO] [stderr]    | -------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn new_1(x: i32, y: i32) -> Point<i32, i32> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `printing` is never used
[INFO] [stderr]   --> src/bin/generics.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Point<f64, f64> {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 30 |     fn printing(&self) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_points_i32` is never used
[INFO] [stderr]   --> src/bin/generics.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn add_points_i32(p1: &Point<i32, i32>, p2: &Point<i32, i32>) -> Point<i32, i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_points_f64` is never used
[INFO] [stderr]   --> src/bin/generics.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn add_points_f64(p1: &Point<f64, f64>, p2: &Point<f64, f64>) -> Point<f64, f64> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/bin/var.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let a: i32 = 5; // signed 32-bit integer
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> src/bin/var.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let b: u32 = 5; // unsigned 32-bit integer
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]  --> src/bin/var.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let c: i64 = 5; // signed 64-bit integer
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]  --> src/bin/var.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let d: u64 = 5; // unsigned 64-bit integer
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]  --> src/bin/var.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let e: f32 = 5.0; // 32-bit floating point
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/bin/var.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let f: f64 = 5.0; // 64-bit floating point
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]  --> src/bin/var.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let g: bool = true; // boolean
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/bin/var.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let h: char = 'a'; // character
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/var.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let i: &str = "Hello, World!"; // string slice
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/bin/var.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let j: String = String::from("Hello, World!"); // string
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/bin/var.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let k: [i32; 5] = [1, 2, 3, 4, 5]; // array
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/bin/var.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let l: (i32, f64, u8) = (500, 6.4, 1); // tuple
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/bin/var.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let h: Vec<i32> = Vec::new(); // vector
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/bin/var.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let n: Option<i32> = Some(5); // option
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/bin/var.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let o: Result<i32, i32> = Ok(5); // result
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/bin/var.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let p: Box<i32> = Box::new(5); // box
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Properties` is never used
[INFO] [stderr]  --> src/bin/traits_derived_and_marker.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | trait Properties: PartialEq + Default + Clone {}
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Monday`, `Tuesday`, `Wednesday`, `Thursday`, `Friday`, and `Saturday` are never constructed
[INFO] [stderr]  --> src/bin/enums.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Days {
[INFO] [stderr]   |      ---- variants in this enum
[INFO] [stderr] 3 |     Monday,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 4 |     Tuesday,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     Wednesday,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 6 |     Thursday,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 7 |     Friday,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 8 |     Saturday,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Days` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Train` is never constructed
[INFO] [stderr]   --> src/bin/enums.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum TravelType {
[INFO] [stderr]    |      ---------- variant in this enum
[INFO] [stderr] 13 |     Car(f32),
[INFO] [stderr] 14 |     Train(f32),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/combinators_task.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut result = 0;
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]  --> src/bin/combinators_task.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut result = 0;
[INFO] [stderr]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "hashMaps" test) generated 1 warning (run `cargo fix --bin "hashMaps" -p learn_rust999999911111999 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "closures" test) generated 2 warnings (run `cargo fix --bin "closures" -p learn_rust999999911111999 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterators") generated 5 warnings (run `cargo fix --bin "iterators" -p learn_rust999999911111999` to apply 3 suggestions)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "conditionals") generated 2 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_bound") generated 5 warnings (run `cargo fix --bin "traits_bound" -p learn_rust999999911111999` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits" test) generated 2 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "intoIter") generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "optionTask" test) generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "generics" test) generated 11 warnings (run `cargo fix --bin "generics" -p learn_rust999999911111999 --tests` to apply 7 suggestions)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "var" test) generated 16 warnings (run `cargo fix --bin "var" -p learn_rust999999911111999 --tests` to apply 16 suggestions)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_derived_and_marker" test) generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "closures") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "enums" test) generated 2 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "combinators_task") generated 2 warnings (run `cargo fix --bin "combinators_task" -p learn_rust999999911111999` to apply 2 suggestions)
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]  --> src/bin/traits_object.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Square {
[INFO] [stderr]   |        ------ fields in this struct
[INFO] [stderr] 6 |     side: f32,
[INFO] [stderr] 7 |     line_width: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 8 |     color: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]   --> src/bin/traits_object.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Rectangle {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     line_width: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 15 |     color: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `draw_object` is never used
[INFO] [stderr]   --> src/bin/traits_object.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | trait Draw {
[INFO] [stderr]    |       ---- method in this trait
[INFO] [stderr] 19 |     fn draw_object(&self);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returns_shape` is never used
[INFO] [stderr]   --> src/bin/traits_object.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn returns_shape(dimension: Vec<f32>) -> Box<dyn Shape> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Circle` is never constructed
[INFO] [stderr]   --> src/bin/traits_object.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct Circle {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `shape_properties_static` is never used
[INFO] [stderr]   --> src/bin/traits_object.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn shape_properties_static<T>(object: T)
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/iterating_though_option.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut products = vec!["cellphone", "battery", "charger"];
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/iterating_through_collections.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut vec_1 = vec![45, 30, 85, 90, 41, 39];
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::primitive`
[INFO] [stderr]  --> src/bin/optionAndResult.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::primitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `model` is never read
[INFO] [stderr]   --> src/bin/traitsTask.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Car {
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] 10 |     model: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `brand` is never read
[INFO] [stderr]   --> src/bin/traitsTask.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Bicycle {
[INFO] [stderr]    |        ------- field in this struct
[INFO] [stderr] 22 |     brand: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `model` is never read
[INFO] [stderr]   --> src/bin/traitsTask.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Bus {
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] 28 |     model: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/bin/hashMapsTask.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | /     student_database.add_student(Student {
[INFO] [stderr] 71 | |         id: 1,
[INFO] [stderr] 72 | |         name: String::from("Victor"),
[INFO] [stderr] 73 | |         grade: 'A',
[INFO] [stderr] 74 | |     });
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let _ = student_database.add_student(Student {
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: function `double` is never used
[INFO] [stderr]   --> src/bin/functionTask.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn double(x: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `triple` is never used
[INFO] [stderr]   --> src/bin/functionTask.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn triple(x: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_object") generated 6 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterating_though_option") generated 1 warning (run `cargo fix --bin "iterating_though_option" -p learn_rust999999911111999` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterating_through_collections") generated 1 warning (run `cargo fix --bin "iterating_through_collections" -p learn_rust999999911111999` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "optionAndResult" test) generated 1 warning (run `cargo fix --bin "optionAndResult" -p learn_rust999999911111999 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traitsTask" test) generated 3 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_object" test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "hashMapsTask") generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterating_through_collections" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "functionTask" test) generated 2 warnings
[INFO] [stderr] warning: unused variable: `op_1`
[INFO] [stderr]   --> src/bin/genericsTask.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let op_1 = Operation::Addition(5, 10);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_2`
[INFO] [stderr]   --> src/bin/genericsTask.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let op_2 = Operation::Multiplication(3.5, 2.0);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_3`
[INFO] [stderr]   --> src/bin/genericsTask.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let op_3 = Operation::Subtraction(3.5, 2.0);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_4`
[INFO] [stderr]   --> src/bin/genericsTask.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let op_4 = Operation::Division(2, 3);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_op_4`
[INFO] [stderr] 
[INFO] [stderr] warning: type `Point_2D` should have an upper camel case name
[INFO] [stderr]   --> src/bin/struct.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     struct Point_2D(i32, i32);
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point2d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Point_3D` should have an upper camel case name
[INFO] [stderr]   --> src/bin/struct.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to upper camel case: `Point3d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `extracted_owner`
[INFO] [stderr]   --> src/bin/struct.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let extracted_owner: String = my_car.owner.clone(); // fix use .clone() or  &String = &my_car.owner
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extracted_owner`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point_2D`
[INFO] [stderr]   --> src/bin/struct.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let point_2D = (1, 3);
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_2D`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point_3D`
[INFO] [stderr]   --> src/bin/struct.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let point_3D = (12, 33, 12);
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_3D`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/bin/struct.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let point = Point_2D(1, 3);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> src/bin/struct.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let point = Point_3D(2, 33, 12);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_owner`
[INFO] [stderr]   --> src/bin/struct.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let new_owner = my_car.sell();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `monthly_insurance` and `selling_price` are never used
[INFO] [stderr]   --> src/bin/struct.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Car {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr]  9 |     // Associates functions
[INFO] [stderr] 10 |     fn monthly_insurance() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn selling_price(&self) -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/bin/struct.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |     struct Point_2D(i32, i32);
[INFO] [stderr]    |            -------- ^^^  ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> src/bin/struct.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     struct Point_3D(i32, i32, i32);
[INFO] [stderr]    |            -------- ^^^  ^^^  ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ABC` is never constructed
[INFO] [stderr]   --> src/bin/struct.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     struct ABC;
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `point_2D` should have a snake case name
[INFO] [stderr]   --> src/bin/struct.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let point_2D = (1, 3);
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_2_d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `point_3D` should have a snake case name
[INFO] [stderr]   --> src/bin/struct.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let point_3D = (12, 33, 12);
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `point_3_d`
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Km {
[INFO] [stderr]    |        -- field in this struct
[INFO] [stderr] 12 |     value: u32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Km` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Miles {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 22 |     value: u32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Miles` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variable `speed_Kmh` should have a snake case name
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let speed_Kmh = Kmh { value: 90 };
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `speed_kmh`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `distance_Km` should have a snake case name
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let distance_Km = speed_Kmh.distance_in_three_hours();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `distance_km`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `speed_Mph` should have a snake case name
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let speed_Mph = Mph { value: 90 };
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `speed_mph`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `distance_Miles` should have a snake case name
[INFO] [stderr]   --> src/bin/traits_associated_types.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let distance_Miles = speed_Mph.distance_in_three_hours();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `distance_miles`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]  --> src/bin/super_traits.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Square {
[INFO] [stderr]   |        ------ fields in this struct
[INFO] [stderr] 6 |     side: f32,
[INFO] [stderr] 7 |     line_width: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 8 |     color: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_width` and `color` are never read
[INFO] [stderr]   --> src/bin/super_traits.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Rectangle {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     line_width: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 15 |     color: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `draw_object` is never used
[INFO] [stderr]   --> src/bin/super_traits.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | trait Draw {
[INFO] [stderr]    |       ---- method in this trait
[INFO] [stderr] 19 |     fn draw_object(&self);
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returns_shape` is never used
[INFO] [stderr]   --> src/bin/super_traits.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn returns_shape() -> impl Shape {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Magazine` is never constructed
[INFO] [stderr]   --> src/bin/structTask.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum ItemType {
[INFO] [stderr]    |      -------- variant in this enum
[INFO] [stderr] 24 |     Book,
[INFO] [stderr] 25 |     Magazine,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ItemType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `title`, `year`, and `type_of_book` are never read
[INFO] [stderr]   --> src/bin/structTask.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Item {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 30 |     id: u32,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 31 |     title: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 32 |     year: u32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 33 |     type_of_book: ItemType,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "optionAndResult") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "optionTask") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "genericsTask" test) generated 4 warnings (run `cargo fix --bin "genericsTask" -p learn_rust999999911111999 --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "struct") generated 14 warnings (run `cargo fix --bin "struct" -p learn_rust999999911111999` to apply 6 suggestions)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterators" test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_associated_types") generated 6 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "intoIter" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "super_traits" test) generated 4 warnings
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "conditionals" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "super_traits") generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "var") generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "struct" test) generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "structTask" test) generated 2 warnings
[INFO] [stderr] warning: field `salary` is never read
[INFO] [stderr]  --> src/bin/function_pointers.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct User {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     salary: u32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `VecContainer_i32` should have an upper camel case name
[INFO] [stderr]   --> src/bin/traits_associated_typesTask.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | struct VecContainer_i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `VecContainerI32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_bound" test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "function_pointers" test) generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "generics") generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_derived_and_marker") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "combinators_task" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "function_pointers") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_associated_types" test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_associated_typesTask" test) generated 1 warning
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traitsTask") generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "traits_associated_typesTask") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "genericsTask") generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "structTask") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "enums") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "functionTask") generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "hashMaps") generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "hashMapsTask" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (bin "iterating_though_option" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `learn_rust999999911111999` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_rust999999911111999-fab81914a9672fe1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/closureTask.rs (/opt/rustwide/target/debug/deps/closureTask-5366d75a89ce988e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/closures.rs (/opt/rustwide/target/debug/deps/closures-7e8f423613b999e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/combinators.rs (/opt/rustwide/target/debug/deps/combinators-bce7d5c065848e4a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/combinators_task.rs (/opt/rustwide/target/debug/deps/combinators_task-7f2443288aa5a2c7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/conditionals.rs (/opt/rustwide/target/debug/deps/conditionals-be60eb658cf61a22)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/conditionalsTask.rs (/opt/rustwide/target/debug/deps/conditionalsTask-b7e0ad6fb7375962)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/enums.rs (/opt/rustwide/target/debug/deps/enums-f23c958790d2f1d5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/functionTask.rs (/opt/rustwide/target/debug/deps/functionTask-d1660e40d0c3fe68)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/function_pointers.rs (/opt/rustwide/target/debug/deps/function_pointers-3c5e706f48017249)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/function_pointers_task.rs (/opt/rustwide/target/debug/deps/function_pointers_task-473ccbe6b1571d08)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/functions.rs (/opt/rustwide/target/debug/deps/functions-eb1b79bd937a8b8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/generics.rs (/opt/rustwide/target/debug/deps/generics-2d02ddab7e46d1a2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/genericsTask.rs (/opt/rustwide/target/debug/deps/genericsTask-f79963b7db3b3cc8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/hashMaps.rs (/opt/rustwide/target/debug/deps/hashMaps-af7fd3f22c8ef8e2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/hashMapsTask.rs (/opt/rustwide/target/debug/deps/hashMapsTask-513244c651564a44)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/intoIter.rs (/opt/rustwide/target/debug/deps/intoIter-eab9c1030bb4e86b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/iterating_though_option.rs (/opt/rustwide/target/debug/deps/iterating_though_option-c28af4b1775d7440)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/iterating_through_collections.rs (/opt/rustwide/target/debug/deps/iterating_through_collections-b30f58b5aa243f8a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/iterators.rs (/opt/rustwide/target/debug/deps/iterators-b7a3a63b17a94ffa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/loop.rs (/opt/rustwide/target/debug/deps/loop-76bf79065bd82848)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-312617cee2b771d3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/optionAndResult.rs (/opt/rustwide/target/debug/deps/optionAndResult-77745eea34b0d561)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/optionTask.rs (/opt/rustwide/target/debug/deps/optionTask-2aa2efae28e67eec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/struct.rs (/opt/rustwide/target/debug/deps/struct-7e1ef0a8f8d11b85)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/structTask.rs (/opt/rustwide/target/debug/deps/structTask-d5d89cb5cef65160)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/super_traits.rs (/opt/rustwide/target/debug/deps/super_traits-3fc57de61f55192c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits.rs (/opt/rustwide/target/debug/deps/traits-52d2491d66a65e28)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traitsTask.rs (/opt/rustwide/target/debug/deps/traitsTask-be59c63f15631a0b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_associated_types.rs (/opt/rustwide/target/debug/deps/traits_associated_types-94e26c617a14eb8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_associated_typesTask.rs (/opt/rustwide/target/debug/deps/traits_associated_typesTask-364809c8d98d980a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_associates_vs_generics.rs (/opt/rustwide/target/debug/deps/traits_associates_vs_generics-c2ad461cfc5a92f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_bound.rs (/opt/rustwide/target/debug/deps/traits_bound-1793f09f4b8d842a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_boundTask.rs (/opt/rustwide/target/debug/deps/traits_boundTask-24a54012de888d7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_derived_and_marker.rs (/opt/rustwide/target/debug/deps/traits_derived_and_marker-8f20b459f7cc4ace)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_object.rs (/opt/rustwide/target/debug/deps/traits_object-a48ab912f90b0d9c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/var.rs (/opt/rustwide/target/debug/deps/var-564dfdbce14b3160)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/order_test.rs (/opt/rustwide/target/debug/deps/order_test-bdff030660cef153)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_total_bill_with_discount ... ok
[INFO] [stdout] test test_total_bill_without_discount ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn_rust999999911111999
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - product::Product::new (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f77c049491fc3e7d460a1e3984a32842bfd7663288587d9d4f8440a7d909bed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77c049491fc3e7d460a1e3984a32842bfd7663288587d9d4f8440a7d909bed0", kill_on_drop: false }`
[INFO] [stdout] f77c049491fc3e7d460a1e3984a32842bfd7663288587d9d4f8440a7d909bed0
