[INFO] cloning repository https://github.com/ffelipelimao/rust-overview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffelipelimao/rust-overview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffelipelimao%2Frust-overview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffelipelimao%2Frust-overview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e3db7c1ef05e24d871162cd3dc08e100687504a
[INFO] checking ffelipelimao/rust-overview against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffelipelimao%2Frust-overview" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ffelipelimao/rust-overview
[INFO] finished tweaking git repo https://github.com/ffelipelimao/rust-overview
[INFO] tweaked toml for git repo https://github.com/ffelipelimao/rust-overview written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ffelipelimao/rust-overview on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ffelipelimao/rust-overview 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_decimal_macros v1.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5eebd5061e4acbf789996f750bf26b64786b8213ccf3fc4116060bd4c04a80
[INFO] running `Command { std: "docker" "start" "-a" "2c5eebd5061e4acbf789996f750bf26b64786b8213ccf3fc4116060bd4c04a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5eebd5061e4acbf789996f750bf26b64786b8213ccf3fc4116060bd4c04a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5eebd5061e4acbf789996f750bf26b64786b8213ccf3fc4116060bd4c04a80", kill_on_drop: false }`
[INFO] [stdout] 2c5eebd5061e4acbf789996f750bf26b64786b8213ccf3fc4116060bd4c04a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd0afd380bbc88992b9a83f9827dbf9f24465078b39934b17562383a5288f92e
[INFO] running `Command { std: "docker" "start" "-a" "dd0afd380bbc88992b9a83f9827dbf9f24465078b39934b17562383a5288f92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling rust_decimal_macros v1.36.0
[INFO] [stderr]     Checking rust-overview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rust_decimal_macros::dec`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_decimal_macros::dec; //importando apenas o dec 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:213:20
[INFO] [stdout]     |
[INFO] [stdout] 213 |             break; number_loops * 20;
[INFO] [stdout]     |             -----  ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |             |
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_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/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut first_name = String::from("Gomez");
[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/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut slice_name_str = String::from("Caleb");
[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/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut each_ele = String::from("elements");
[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/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut numbers_x2: Vec<i32> = vec![5,10,20];
[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/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut numbers_array = [1,2,4];
[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/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut numbers_vec = numbers_array.to_vec();
[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/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut iter_item = iter_data.next();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let a: i32 = 10;
[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/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let b: u32 = 10; // unsigned int (only positives numbers)
[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/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let c: f32 = 2.3; // float 32 bits range
[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/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let d = 2.3_f32; //you can declare numbers like that
[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/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let e = 19 as f32;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let g: char = 'h';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let j = false;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_slices` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut new_slices: i32 = 23;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_new_slices` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let big = 1_000; // one thousand
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let first = data_infer[0];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_element`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let last_element: i32 = data_infer[data_infer.len() -1];
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name2`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let name2: &str = "Luiz Felipe";
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_name2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name_static`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let name_static: &'static str = "Estatico";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_name_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `full_name`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let full_name = format!("{first_name} Limao");
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_full_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers_vec`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut numbers_vec = numbers_array.to_vec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `character`
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let character = example.chars().nth(2); //pega um element especfico ao transformar em chars
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_adult`
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let is_adult = if age >= 19 {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_adult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bonus`
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let bonus = if points > 30{ 10 } else { -10 };
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bonus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let result = loop {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let value = match iter_item{
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/main.rs:240:14
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Some(item) => "item",
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `squared`
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let squared: Vec<_> = vec_data.iter().map(|x| x*x).collect();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_squared`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let name = String::from("Scope");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer2`
[INFO] [stdout]    --> src/main.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let pointer2 = pointer1;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p_y`
[INFO] [stdout]    --> src/main.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let p_y = String::from("Ref");
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_p_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]    --> src/main.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let first = &slices_awn[0..4];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]    --> src/main.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let last = &slices_awn[6..];
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let result = greet("Felipe");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times_two`
[INFO] [stdout]    --> src/main.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let times_two = anonymous_return(2);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_times_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_print`
[INFO] [stdout]    --> src/main.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let my_print = || println!("{scores:?}");
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_slices` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     new_slices += 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Bronze` and `Silver` are never constructed
[INFO] [stdout]    --> src/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     enum Membership {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] 157 |         Bronze, 
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 158 |         Silver,
[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 `y` is never read
[INFO] [stdout]    --> src/main.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |     struct Player {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 355 |         x: i32,
[INFO] [stdout] 356 |         y: i32
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/main.rs:213:20
[INFO] [stdout]     |
[INFO] [stdout] 213 |             break; number_loops * 20;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[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] 213 |             break; let _ = number_loops * 20;
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_decimal_macros::dec`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_decimal_macros::dec; //importando apenas o dec 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:213:20
[INFO] [stdout]     |
[INFO] [stdout] 213 |             break; number_loops * 20;
[INFO] [stdout]     |             -----  ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |             |
[INFO] [stdout]     |             any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_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/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut first_name = String::from("Gomez");
[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/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let mut slice_name_str = String::from("Caleb");
[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/main.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut each_ele = String::from("elements");
[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/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut numbers_x2: Vec<i32> = vec![5,10,20];
[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/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut numbers_array = [1,2,4];
[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/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut numbers_vec = numbers_array.to_vec();
[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/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let mut iter_item = iter_data.next();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let a: i32 = 10;
[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/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let b: u32 = 10; // unsigned int (only positives numbers)
[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/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let c: f32 = 2.3; // float 32 bits range
[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/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let d = 2.3_f32; //you can declare numbers like that
[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/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let e = 19 as f32;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let g: char = 'h';
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let j = false;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `new_slices` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut new_slices: i32 = 23;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_new_slices` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `big`
[INFO] [stdout]   --> src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let big = 1_000; // one thousand
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_big`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let first = data_infer[0];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_element`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let last_element: i32 = data_infer[data_infer.len() -1];
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_element`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name2`
[INFO] [stdout]   --> src/main.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let name2: &str = "Luiz Felipe";
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_name2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name_static`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let name_static: &'static str = "Estatico";
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_name_static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `full_name`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let full_name = format!("{first_name} Limao");
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_full_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers_vec`
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut numbers_vec = numbers_array.to_vec();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `character`
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let character = example.chars().nth(2); //pega um element especfico ao transformar em chars
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_adult`
[INFO] [stdout]    --> src/main.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let is_adult = if age >= 19 {
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_adult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bonus`
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let bonus = if points > 30{ 10 } else { -10 };
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bonus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |     let result = loop {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let value = match iter_item{
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/main.rs:240:14
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Some(item) => "item",
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `squared`
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let squared: Vec<_> = vec_data.iter().map(|x| x*x).collect();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_squared`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |         let name = String::from("Scope");
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer2`
[INFO] [stdout]    --> src/main.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let pointer2 = pointer1;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p_y`
[INFO] [stdout]    --> src/main.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let p_y = String::from("Ref");
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_p_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]    --> src/main.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let first = &slices_awn[0..4];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last`
[INFO] [stdout]    --> src/main.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let last = &slices_awn[6..];
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_last`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/main.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let result = greet("Felipe");
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `times_two`
[INFO] [stdout]    --> src/main.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let times_two = anonymous_return(2);
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_times_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_print`
[INFO] [stdout]    --> src/main.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     let my_print = || println!("{scores:?}");
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_slices` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     new_slices += 1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/main.rs:213:20
[INFO] [stdout]     |
[INFO] [stdout] 213 |             break; number_loops * 20;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[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] 213 |             break; let _ = number_loops * 20;
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "dd0afd380bbc88992b9a83f9827dbf9f24465078b39934b17562383a5288f92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0afd380bbc88992b9a83f9827dbf9f24465078b39934b17562383a5288f92e", kill_on_drop: false }`
[INFO] [stdout] dd0afd380bbc88992b9a83f9827dbf9f24465078b39934b17562383a5288f92e
