[INFO] cloning repository https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e6d78abbc3f6af8f1e21f7e79f3b5140a2ee83a
[INFO] testing Matteo-Gigli/Some-random-basic-code-in-Rust against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] finished tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] tweaked toml for git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing Matteo-Gigli/Some-random-basic-code-in-Rust against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatteo-Gigli%2FSome-random-basic-code-in-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] finished tweaking git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust
[INFO] tweaked toml for git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Matteo-Gigli/Some-random-basic-code-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f5cbeffc066173cc24954834826b1f3365b82afe89155318b0f13434a7aec3
[INFO] running `Command { std: "docker" "start" "-a" "d8f5cbeffc066173cc24954834826b1f3365b82afe89155318b0f13434a7aec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f5cbeffc066173cc24954834826b1f3365b82afe89155318b0f13434a7aec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f5cbeffc066173cc24954834826b1f3365b82afe89155318b0f13434a7aec3", kill_on_drop: false }`
[INFO] [stdout] d8f5cbeffc066173cc24954834826b1f3365b82afe89155318b0f13434a7aec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 127bb75238ac8a19fbaadd54136512ac6cccc7a447e498b954cc99fe8a8e0e39
[INFO] running `Command { std: "docker" "start" "-a" "127bb75238ac8a19fbaadd54136512ac6cccc7a447e498b954cc99fe8a8e0e39", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout]    |                                    ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout] 23 + fn rectangle_area(n1:f32, n2:f32)->f32{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let c1: char = ('💡');
[INFO] [stdout]     |                    ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -     let c1: char = ('💡');
[INFO] [stdout] 127 +     let c1: char = '💡';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let logo: char = ('📲');
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     let logo: char = ('📲');
[INFO] [stdout] 153 +     let logo: char = '📲';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |     }else if(convert_second > convert_first){
[INFO] [stdout]     |             ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 252 -     }else if(convert_second > convert_first){
[INFO] [stdout] 252 +     }else if convert_second > convert_first {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     while true {
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |         } else if (convert_input_first_choice == 2) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 303 -         } else if (convert_input_first_choice == 2) {
[INFO] [stdout] 303 +         } else if convert_input_first_choice == 2 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:318:19
[INFO] [stdout]     |
[INFO] [stdout] 318 |         } else if (convert_input_first_choice == 3) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 318 -         } else if (convert_input_first_choice == 3) {
[INFO] [stdout] 318 +         } else if convert_input_first_choice == 3 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |         } else if (convert_input_first_choice == 4) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         } else if (convert_input_first_choice == 4) {
[INFO] [stdout] 333 +         } else if convert_input_first_choice == 4 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:366:24
[INFO] [stdout]     |
[INFO] [stdout] 366 |                     if (i == 'N' || i == 'n') {
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 366 -                     if (i == 'N' || i == 'n') {
[INFO] [stdout] 366 +                     if i == 'N' || i == 'n' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |         }else if(i == 'n' || i == 'N'){
[INFO] [stdout]     |                 ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 754 -         }else if(i == 'n' || i == 'N'){
[INFO] [stdout] 754 +         }else if i == 'n' || i == 'N' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n1: i8 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let n2: i16 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n3`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let n3: i32 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n4`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let n4: i64 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n5`
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let n5: i128 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let f1: f32 = 10.24;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let f2: f64 = 10.24;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hundred`
[INFO] [stdout]    --> src/main.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let hundred = 100;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hundred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set_age`
[INFO] [stdout]    --> src/main.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let set_age: i32 = age.trim().parse().unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut convert_first: i32 = first_number.trim().parse().unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut convert_second: i32 = second_number.trim().parse().unwrap();
[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:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut my_second_array:[i32; 6] = [0, 1, 2, 3, 4, 5];
[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:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |     let mut third_string = "My name is Matteo Gigli .";
[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:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |     let mut newest_string = "Hello Boys and Girls, My name is Matteo Gigli and I'm 30";
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:613:22
[INFO] [stdout]     |
[INFO] [stdout] 613 |     struct Structure(i32);
[INFO] [stdout]     |            --------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 613 |     struct Structure(());
[INFO] [stdout]     |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "127bb75238ac8a19fbaadd54136512ac6cccc7a447e498b954cc99fe8a8e0e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127bb75238ac8a19fbaadd54136512ac6cccc7a447e498b954cc99fe8a8e0e39", kill_on_drop: false }`
[INFO] [stdout] 127bb75238ac8a19fbaadd54136512ac6cccc7a447e498b954cc99fe8a8e0e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b46eab1b6fedc9dd8345d8fe62d5fe8894885b8470efb8fb4941336529e848
[INFO] running `Command { std: "docker" "start" "-a" "44b46eab1b6fedc9dd8345d8fe62d5fe8894885b8470efb8fb4941336529e848", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout]    |                                    ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stdout] 23 + fn rectangle_area(n1:f32, n2:f32)->f32{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let c1: char = ('💡');
[INFO] [stdout]     |                    ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -     let c1: char = ('💡');
[INFO] [stdout] 127 +     let c1: char = '💡';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let logo: char = ('📲');
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 -     let logo: char = ('📲');
[INFO] [stdout] 153 +     let logo: char = '📲';
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |     }else if(convert_second > convert_first){
[INFO] [stdout]     |             ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 252 -     }else if(convert_second > convert_first){
[INFO] [stdout] 252 +     }else if convert_second > convert_first {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     while true {
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:303:19
[INFO] [stdout]     |
[INFO] [stdout] 303 |         } else if (convert_input_first_choice == 2) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 303 -         } else if (convert_input_first_choice == 2) {
[INFO] [stdout] 303 +         } else if convert_input_first_choice == 2 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:318:19
[INFO] [stdout]     |
[INFO] [stdout] 318 |         } else if (convert_input_first_choice == 3) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 318 -         } else if (convert_input_first_choice == 3) {
[INFO] [stdout] 318 +         } else if convert_input_first_choice == 3 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:333:19
[INFO] [stdout]     |
[INFO] [stdout] 333 |         } else if (convert_input_first_choice == 4) {
[INFO] [stdout]     |                   ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 333 -         } else if (convert_input_first_choice == 4) {
[INFO] [stdout] 333 +         } else if convert_input_first_choice == 4 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:366:24
[INFO] [stdout]     |
[INFO] [stdout] 366 |                     if (i == 'N' || i == 'n') {
[INFO] [stdout]     |                        ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 366 -                     if (i == 'N' || i == 'n') {
[INFO] [stdout] 366 +                     if i == 'N' || i == 'n' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |         }else if(i == 'n' || i == 'N'){
[INFO] [stdout]     |                 ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 754 -         }else if(i == 'n' || i == 'N'){
[INFO] [stdout] 754 +         }else if i == 'n' || i == 'N' {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> src/main.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let n1: i8 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n2`
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let n2: i16 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n3`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let n3: i32 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n4`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let n4: i64 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n5`
[INFO] [stdout]   --> src/main.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let n5: i128 = 10;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f1`
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let f1: f32 = 10.24;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f2`
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let f2: f64 = 10.24;
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hundred`
[INFO] [stdout]    --> src/main.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let hundred = 100;
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hundred`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set_age`
[INFO] [stdout]    --> src/main.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     let set_age: i32 = age.trim().parse().unwrap();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let mut convert_first: i32 = first_number.trim().parse().unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let mut convert_second: i32 = second_number.trim().parse().unwrap();
[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:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut my_second_array:[i32; 6] = [0, 1, 2, 3, 4, 5];
[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:510:9
[INFO] [stdout]     |
[INFO] [stdout] 510 |     let mut third_string = "My name is Matteo Gigli .";
[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:518:9
[INFO] [stdout]     |
[INFO] [stdout] 518 |     let mut newest_string = "Hello Boys and Girls, My name is Matteo Gigli and I'm 30";
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "44b46eab1b6fedc9dd8345d8fe62d5fe8894885b8470efb8fb4941336529e848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b46eab1b6fedc9dd8345d8fe62d5fe8894885b8470efb8fb4941336529e848", kill_on_drop: false }`
[INFO] [stdout] 44b46eab1b6fedc9dd8345d8fe62d5fe8894885b8470efb8fb4941336529e848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f76f8343f0d3163812b430fa86439c36e06c365ca55eb88e6bb4aa983a6c57b
[INFO] running `Command { std: "docker" "start" "-a" "5f76f8343f0d3163812b430fa86439c36e06c365ca55eb88e6bb4aa983a6c57b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stderr]    |                                    ^   ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 23 - fn rectangle_area(n1:f32, n2:f32)->(f32){
[INFO] [stderr] 23 + fn rectangle_area(n1:f32, n2:f32)->f32{
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:127:20
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let c1: char = ('💡');
[INFO] [stderr]     |                    ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 127 -     let c1: char = ('💡');
[INFO] [stderr] 127 +     let c1: char = '💡';
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:153:22
[INFO] [stderr]     |
[INFO] [stderr] 153 |     let logo: char = ('📲');
[INFO] [stderr]     |                      ^    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 153 -     let logo: char = ('📲');
[INFO] [stderr] 153 +     let logo: char = '📲';
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:252:13
[INFO] [stderr]     |
[INFO] [stderr] 252 |     }else if(convert_second > convert_first){
[INFO] [stderr]     |             ^                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 252 -     }else if(convert_second > convert_first){
[INFO] [stderr] 252 +     }else if convert_second > convert_first {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: denote infinite loops with `loop { ... }`
[INFO] [stderr]    --> src/main.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 |     while true {
[INFO] [stderr]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(while_true)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:303:19
[INFO] [stderr]     |
[INFO] [stderr] 303 |         } else if (convert_input_first_choice == 2) {
[INFO] [stderr]     |                   ^                               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 303 -         } else if (convert_input_first_choice == 2) {
[INFO] [stderr] 303 +         } else if convert_input_first_choice == 2 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:318:19
[INFO] [stderr]     |
[INFO] [stderr] 318 |         } else if (convert_input_first_choice == 3) {
[INFO] [stderr]     |                   ^                               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 318 -         } else if (convert_input_first_choice == 3) {
[INFO] [stderr] 318 +         } else if convert_input_first_choice == 3 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:333:19
[INFO] [stderr]     |
[INFO] [stderr] 333 |         } else if (convert_input_first_choice == 4) {
[INFO] [stderr]     |                   ^                               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 333 -         } else if (convert_input_first_choice == 4) {
[INFO] [stderr] 333 +         } else if convert_input_first_choice == 4 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:366:24
[INFO] [stderr]     |
[INFO] [stderr] 366 |                     if (i == 'N' || i == 'n') {
[INFO] [stderr]     |                        ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 366 -                     if (i == 'N' || i == 'n') {
[INFO] [stderr] 366 +                     if i == 'N' || i == 'n' {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:754:17
[INFO] [stderr]     |
[INFO] [stderr] 754 |         }else if(i == 'n' || i == 'N'){
[INFO] [stderr]     |                 ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 754 -         }else if(i == 'n' || i == 'N'){
[INFO] [stderr] 754 +         }else if i == 'n' || i == 'N' {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let n1: i8 = 10;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n2`
[INFO] [stderr]   --> src/main.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let n2: i16 = 10;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n3`
[INFO] [stderr]   --> src/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let n3: i32 = 10;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n4`
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let n4: i64 = 10;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n5`
[INFO] [stderr]   --> src/main.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let n5: i128 = 10;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n5`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f1`
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let f1: f32 = 10.24;
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f2`
[INFO] [stderr]    --> src/main.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let f2: f64 = 10.24;
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_f2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hundred`
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let hundred = 100;
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hundred`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set_age`
[INFO] [stderr]    --> src/main.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let set_age: i32 = age.trim().parse().unwrap();
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_age`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let mut convert_first: i32 = first_number.trim().parse().unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let mut convert_second: i32 = second_number.trim().parse().unwrap();
[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/main.rs:390:9
[INFO] [stderr]     |
[INFO] [stderr] 390 |     let mut my_second_array:[i32; 6] = [0, 1, 2, 3, 4, 5];
[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/main.rs:510:9
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let mut third_string = "My name is Matteo Gigli .";
[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/main.rs:518:9
[INFO] [stderr]     |
[INFO] [stderr] 518 |     let mut newest_string = "Hello Boys and Girls, My name is Matteo Gigli and I'm 30";
[INFO] [stderr]     |         ----^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `untitled` (bin "untitled" test) generated 24 warnings (run `cargo fix --bin "untitled" --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/untitled-df4fa07906e6bc86)
[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] running `Command { std: "docker" "inspect" "5f76f8343f0d3163812b430fa86439c36e06c365ca55eb88e6bb4aa983a6c57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f76f8343f0d3163812b430fa86439c36e06c365ca55eb88e6bb4aa983a6c57b", kill_on_drop: false }`
[INFO] [stdout] 5f76f8343f0d3163812b430fa86439c36e06c365ca55eb88e6bb4aa983a6c57b