[INFO] cloning repository https://github.com/BishwasXD/Rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BishwasXD/Rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishwasXD%2FRusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishwasXD%2FRusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af04c9a36c264d0f4d3f4d0c4449e851e909c3f4
[INFO] testing BishwasXD/Rusty against nightly-2025-01-18 for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBishwasXD%2FRusty" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BishwasXD/Rusty on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BishwasXD/Rusty
[INFO] finished tweaking git repo https://github.com/BishwasXD/Rusty
[INFO] tweaked toml for git repo https://github.com/BishwasXD/Rusty written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BishwasXD/Rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd43c5bea1ec3dd7b21b48ddcb61feac4969a06720ce9374b058fd22b71182dc
[INFO] running `Command { std: "docker" "start" "-a" "bd43c5bea1ec3dd7b21b48ddcb61feac4969a06720ce9374b058fd22b71182dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd43c5bea1ec3dd7b21b48ddcb61feac4969a06720ce9374b058fd22b71182dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd43c5bea1ec3dd7b21b48ddcb61feac4969a06720ce9374b058fd22b71182dc", kill_on_drop: false }`
[INFO] [stdout] bd43c5bea1ec3dd7b21b48ddcb61feac4969a06720ce9374b058fd22b71182dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 448e4f34337634025c2e482f64337f3e7ce248b1a64137b120c74721a5e17f1b
[INFO] running `Command { std: "docker" "start" "-a" "448e4f34337634025c2e482f64337f3e7ce248b1a64137b120c74721a5e17f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/collections/hashmap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap; //hashMap is not as popular as compared to string and vectors so it is not brought into scope automatically.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/error_handling/recoverable_errors.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::process;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ownership`
[INFO] [stdout]  --> src/smart_pointers/box_pointers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ownership;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_user3` should have an upper camel case name
[INFO] [stdout]  --> src/structs/structures.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct _user3 {
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `User3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` should have an upper camel case name
[INFO] [stdout]   --> src/enums/enums.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         v4,
[INFO] [stdout]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v6` should have an upper camel case name
[INFO] [stdout]   --> src/enums/enums.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         v6,
[INFO] [stdout]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/simple_programs/compression.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/collections/strings.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut s = String::new();
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loded_String`
[INFO] [stdout]   --> src/collections/strings.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loded_String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `concat`
[INFO] [stdout]   --> src/collections/strings.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let concat: String = str_1 + &str_2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/collections/strings.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let new_string = String::from("New String");
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/collections/strings.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut s = String::new();
[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/collections/strings.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[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/collections/vectors.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut ref_vec: Vec<i32> = vec![1, 2, 3, 4, 5];
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/collections/vectors.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for num in &v {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Ok(h) => println!("write operation completed"),
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fc`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     Ok(fc) => {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_fc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_file`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let new_file = File::open("new_file.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e_file`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | let e_file = File::open("e.txt").expect("e.txt File should exist before executing further");//terminates the execution
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_e_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d_val`
[INFO] [stdout]    --> src/smart_pointers/box_pointers.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 |   let d_val = MyBox::new(30); 
[INFO] [stdout]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_d_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/structs/structures.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let black = Color(2, 3, 4);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v6_example`
[INFO] [stdout]   --> src/enums/enums.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let v6_example = IpAddress {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v6_example`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_addr`
[INFO] [stdout]   --> src/enums/enums.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn handle_route(ip_addr: _IpAddrkind) {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         3 => add_fancy_hat(),
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] 146 |         7 => remove_fancy_hat(),
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] 147 |         _ => reroll(), //here '_' is a special pattern that matches any value and doesnot bind to
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stdout]     |         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let six = pluss_one(five);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let none = pluss_one(None);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/simple_programs/compression.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let start = Instant::now();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for item in list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut largest = &list[0];
[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/collections/vectors.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Float(f32),
[INFO] [stdout]    |             ----- ^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpreadSheetCell` 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] 84 |             Float(()),
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/collections/vectors.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Text(String)
[INFO] [stdout]    |             ---- ^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpreadSheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 85 |             Text(())
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         enum Result<T, E>{
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `macros` is never used
[INFO] [stdout]  --> src/macros/macros.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn macros(){
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `associated_fns` is never used
[INFO] [stdout]   --> src/structs/structures.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn associated_fns() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `calc_area`, `check_square`, `return_self`, and `square` are never used
[INFO] [stdout]   --> src/structs/structures.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     impl Rectangle {
[INFO] [stdout]    |     -------------- associated items in this implementation
[INFO] [stdout] 83 |         fn calc_area(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         fn check_square(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |         fn return_self(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |         fn square(size: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums_basics` is never used
[INFO] [stdout]  --> src/enums/enums.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn enums_basics() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_routing` is never used
[INFO] [stdout]   --> src/enums/enums.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl IpAddress {
[INFO] [stdout]    |     -------------- method in this implementation
[INFO] [stdout] 35 |         fn handle_routing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_color` is never used
[INFO] [stdout]   --> src/enums/enums.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     impl Message {
[INFO] [stdout]    |     ------------ method in this implementation
[INFO] [stdout] 92 |         fn apply_color(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_basics` is never used
[INFO] [stdout]  --> src/match_basics/match_basics.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn match_basics(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_pattern` is never used
[INFO] [stdout]  --> src/simple_programs/build_pattern.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn build_pattern(blueprint: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compression` is never used
[INFO] [stdout]   --> src/simple_programs/compression.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compression() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn check() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/writing_test/tests.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn add(left: usize, right: usize) -> usize {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/writing_test/tests.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/writing_test/tests.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Rectangle{
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 44 |     fn can_hold(&self,other:Rectangle)->bool{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/writing_test/tests2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/writing_test/tests2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Rectangle{
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 10 |     fn can_hold(&self,other:Rectangle)->bool{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generics` is never used
[INFO] [stdout]  --> src/generic_traits_lifetime/generics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generics() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     impl<T> Points<T> {
[INFO] [stdout]    |     ----------------- method in this implementation
[INFO] [stdout] 65 |         fn x(&self) -> &T {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mixup` is never used
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     impl<X1, Y1> Pointss<X1, Y1> {
[INFO] [stdout]    |     ---------------------------- method in this implementation
[INFO] [stdout] 75 |         fn mixup<X2, Y2>(self, other: Pointss<X2, Y2>) -> Pointss<X1, Y2> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concurrency` is never used
[INFO] [stdout]  --> src/concurrencies/concurrency.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn concurrency() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `loded_String` should have a snake case name
[INFO] [stdout]   --> src/collections/strings.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `loded_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Errors` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub mod Errors;
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ErrorHandling` should have a snake case name
[INFO] [stdout]  --> src/error_handling/Errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 |  pub mod ErrorHandling{
[INFO] [stdout]   |          ^^^^^^^^^^^^^ help: convert the identifier to snake case: `error_handling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RecoverableErrors` should have a snake case name
[INFO] [stdout]  --> src/error_handling/recoverable_errors.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod RecoverableErrors{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `UnrecoverableError` should have a snake case name
[INFO] [stdout]  --> src/error_handling/unrecoverable_errors.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod UnrecoverableError{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unrecoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "448e4f34337634025c2e482f64337f3e7ce248b1a64137b120c74721a5e17f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "448e4f34337634025c2e482f64337f3e7ce248b1a64137b120c74721a5e17f1b", kill_on_drop: false }`
[INFO] [stdout] 448e4f34337634025c2e482f64337f3e7ce248b1a64137b120c74721a5e17f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb19ce9316757ced25ef29dff5daf47e92b72314f8ba4819faef2fb02512c3e
[INFO] running `Command { std: "docker" "start" "-a" "beb19ce9316757ced25ef29dff5daf47e92b72314f8ba4819faef2fb02512c3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/collections/hashmap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap; //hashMap is not as popular as compared to string and vectors so it is not brought into scope automatically.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/error_handling/recoverable_errors.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::process;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ownership`
[INFO] [stdout]  --> src/smart_pointers/box_pointers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ownership;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `_user3` should have an upper camel case name
[INFO] [stdout]  --> src/structs/structures.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct _user3 {
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `User3`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` should have an upper camel case name
[INFO] [stdout]   --> src/enums/enums.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         v4,
[INFO] [stdout]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v6` should have an upper camel case name
[INFO] [stdout]   --> src/enums/enums.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         v6,
[INFO] [stdout]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/simple_programs/compression.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/collections/strings.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut s = String::new();
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loded_String`
[INFO] [stdout]   --> src/collections/strings.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loded_String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `concat`
[INFO] [stdout]   --> src/collections/strings.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let concat: String = str_1 + &str_2;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_string`
[INFO] [stdout]   --> src/collections/strings.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let new_string = String::from("New String");
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/collections/strings.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut s = String::new();
[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/collections/strings.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[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/collections/vectors.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut ref_vec: Vec<i32> = vec![1, 2, 3, 4, 5];
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/collections/vectors.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         for num in &v {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Ok(h) => println!("write operation completed"),
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fc`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:48:24
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     Ok(fc) => {
[INFO] [stdout]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_fc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_file`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let new_file = File::open("new_file.txt").unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e_file`
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | let e_file = File::open("e.txt").expect("e.txt File should exist before executing further");//terminates the execution
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_e_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d_val`
[INFO] [stdout]    --> src/smart_pointers/box_pointers.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 |   let d_val = MyBox::new(30); 
[INFO] [stdout]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_d_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `black`
[INFO] [stdout]   --> src/structs/structures.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let black = Color(2, 3, 4);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v6_example`
[INFO] [stdout]   --> src/enums/enums.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let v6_example = IpAddress {
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v6_example`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_addr`
[INFO] [stdout]   --> src/enums/enums.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn handle_route(ip_addr: _IpAddrkind) {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         3 => add_fancy_hat(),
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] 146 |         7 => remove_fancy_hat(),
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] 147 |         _ => reroll(), //here '_' is a special pattern that matches any value and doesnot bind to
[INFO] [stdout]     |         - matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stdout]     |         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let six = pluss_one(five);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let none = pluss_one(None);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]    --> src/match_basics/match_basics.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/simple_programs/compression.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let start = Instant::now();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for item in list {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut largest = &list[0];
[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/collections/vectors.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Float(f32),
[INFO] [stdout]    |             ----- ^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpreadSheetCell` 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] 84 |             Float(()),
[INFO] [stdout]    |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/collections/vectors.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Text(String)
[INFO] [stdout]    |             ---- ^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SpreadSheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 85 |             Text(())
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> src/error_handling/recoverable_errors.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |         enum Result<T, E>{
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `macros` is never used
[INFO] [stdout]  --> src/macros/macros.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn macros(){
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `associated_fns` is never used
[INFO] [stdout]   --> src/structs/structures.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn associated_fns() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `calc_area`, `check_square`, `return_self`, and `square` are never used
[INFO] [stdout]   --> src/structs/structures.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     impl Rectangle {
[INFO] [stdout]    |     -------------- associated items in this implementation
[INFO] [stdout] 83 |         fn calc_area(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         fn check_square(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |         fn return_self(self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |         fn square(size: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums_basics` is never used
[INFO] [stdout]  --> src/enums/enums.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn enums_basics() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_routing` is never used
[INFO] [stdout]   --> src/enums/enums.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     impl IpAddress {
[INFO] [stdout]    |     -------------- method in this implementation
[INFO] [stdout] 35 |         fn handle_routing(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_color` is never used
[INFO] [stdout]   --> src/enums/enums.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     impl Message {
[INFO] [stdout]    |     ------------ method in this implementation
[INFO] [stdout] 92 |         fn apply_color(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_basics` is never used
[INFO] [stdout]  --> src/match_basics/match_basics.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn match_basics(){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_pattern` is never used
[INFO] [stdout]  --> src/simple_programs/build_pattern.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn build_pattern(blueprint: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compression` is never used
[INFO] [stdout]   --> src/simple_programs/compression.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn compression() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/main.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn check() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> src/writing_test/tests.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]   --> src/writing_test/tests.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Rectangle{
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 44 |     fn can_hold(&self,other:Rectangle)->bool{
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generics` is never used
[INFO] [stdout]  --> src/generic_traits_lifetime/generics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generics() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     impl<T> Points<T> {
[INFO] [stdout]    |     ----------------- method in this implementation
[INFO] [stdout] 65 |         fn x(&self) -> &T {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mixup` is never used
[INFO] [stdout]   --> src/generic_traits_lifetime/generics.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     impl<X1, Y1> Pointss<X1, Y1> {
[INFO] [stdout]    |     ---------------------------- method in this implementation
[INFO] [stdout] 75 |         fn mixup<X2, Y2>(self, other: Pointss<X2, Y2>) -> Pointss<X1, Y2> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concurrency` is never used
[INFO] [stdout]  --> src/concurrencies/concurrency.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn concurrency() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `loded_String` should have a snake case name
[INFO] [stdout]   --> src/collections/strings.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `loded_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Errors` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub mod Errors;
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `ErrorHandling` should have a snake case name
[INFO] [stdout]  --> src/error_handling/Errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 |  pub mod ErrorHandling{
[INFO] [stdout]   |          ^^^^^^^^^^^^^ help: convert the identifier to snake case: `error_handling`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `RecoverableErrors` should have a snake case name
[INFO] [stdout]  --> src/error_handling/recoverable_errors.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod RecoverableErrors{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_errors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `UnrecoverableError` should have a snake case name
[INFO] [stdout]  --> src/error_handling/unrecoverable_errors.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod UnrecoverableError{
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unrecoverable_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "beb19ce9316757ced25ef29dff5daf47e92b72314f8ba4819faef2fb02512c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb19ce9316757ced25ef29dff5daf47e92b72314f8ba4819faef2fb02512c3e", kill_on_drop: false }`
[INFO] [stdout] beb19ce9316757ced25ef29dff5daf47e92b72314f8ba4819faef2fb02512c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34553bb2ea1960bf88793fe0d95c594aabeb0d24adb5359018b919ce385f50d8
[INFO] running `Command { std: "docker" "start" "-a" "34553bb2ea1960bf88793fe0d95c594aabeb0d24adb5359018b919ce385f50d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/collections/hashmap.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap; //hashMap is not as popular as compared to string and vectors so it is not brought into scope automatically.
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/error_handling/recoverable_errors.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use std::process;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ownership`
[INFO] [stderr]  --> src/smart_pointers/box_pointers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ownership;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `_user3` should have an upper camel case name
[INFO] [stderr]  --> src/structs/structures.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct _user3 {
[INFO] [stderr]   |        ^^^^^^ help: convert the identifier to upper camel case: `User3`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v4` should have an upper camel case name
[INFO] [stderr]   --> src/enums/enums.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         v4,
[INFO] [stderr]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `v6` should have an upper camel case name
[INFO] [stderr]   --> src/enums/enums.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         v6,
[INFO] [stderr]    |         ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Output`
[INFO] [stderr]  --> src/simple_programs/compression.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::process::Output;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/collections/strings.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut s = String::new();
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loded_String`
[INFO] [stderr]   --> src/collections/strings.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loded_String`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `concat`
[INFO] [stderr]   --> src/collections/strings.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let concat: String = str_1 + &str_2;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_concat`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_string`
[INFO] [stderr]   --> src/collections/strings.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let new_string = String::from("New String");
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_string`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/collections/strings.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut s = String::new();
[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/collections/strings.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut loded_String: String = initia_data.to_string();
[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/collections/vectors.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut ref_vec: Vec<i32> = vec![1, 2, 3, 4, 5];
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/collections/vectors.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         for num in &v {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/error_handling/recoverable_errors.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Ok(h) => println!("write operation completed"),
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fc`
[INFO] [stderr]   --> src/error_handling/recoverable_errors.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     Ok(fc) => {
[INFO] [stderr]    |                        ^^ help: if this is intentional, prefix it with an underscore: `_fc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_file`
[INFO] [stderr]   --> src/error_handling/recoverable_errors.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let new_file = File::open("new_file.txt").unwrap_or_else(|error| {
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e_file`
[INFO] [stderr]   --> src/error_handling/recoverable_errors.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 | let e_file = File::open("e.txt").expect("e.txt File should exist before executing further");//terminates the execution
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_e_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d_val`
[INFO] [stderr]    --> src/smart_pointers/box_pointers.rs:117:7
[INFO] [stderr]     |
[INFO] [stderr] 117 |   let d_val = MyBox::new(30); 
[INFO] [stderr]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_d_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `black`
[INFO] [stderr]   --> src/structs/structures.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let black = Color(2, 3, 4);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_black`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v6_example`
[INFO] [stderr]   --> src/enums/enums.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let v6_example = IpAddress {
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v6_example`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ip_addr`
[INFO] [stderr]   --> src/enums/enums.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn handle_route(ip_addr: _IpAddrkind) {
[INFO] [stderr]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stderr]     |         ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/match_basics/match_basics.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         3 => add_fancy_hat(),
[INFO] [stderr]     |         - matches some of the same values
[INFO] [stderr] 146 |         7 => remove_fancy_hat(),
[INFO] [stderr]     |         - matches some of the same values
[INFO] [stderr] 147 |         _ => reroll(), //here '_' is a special pattern that matches any value and doesnot bind to
[INFO] [stderr]     |         - matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 151 |         _ => (), //nothing happens if it isnt 3 or 7
[INFO] [stderr]     |         ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]    --> src/match_basics/match_basics.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let six = pluss_one(five);
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `none`
[INFO] [stderr]    --> src/match_basics/match_basics.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let none = pluss_one(None);
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_spaces`
[INFO] [stderr]    --> src/match_basics/match_basics.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |     fn move_player(num_spaces: u8) {}
[INFO] [stderr]     |                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/simple_programs/compression.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let start = Instant::now();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/generic_traits_lifetime/generics.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for item in list {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generic_traits_lifetime/generics.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut largest = &list[0];
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/collections/vectors.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Float(f32),
[INFO] [stderr]    |             ----- ^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SpreadSheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Float(()),
[INFO] [stderr]    |                   ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/collections/vectors.rs:85:18
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Text(String)
[INFO] [stderr]    |             ---- ^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SpreadSheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Text(())
[INFO] [stderr]    |                  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Result` is never used
[INFO] [stderr]   --> src/error_handling/recoverable_errors.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |         enum Result<T, E>{
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `macros` is never used
[INFO] [stderr]  --> src/macros/macros.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn macros(){
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `associated_fns` is never used
[INFO] [stderr]   --> src/structs/structures.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn associated_fns() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `calc_area`, `check_square`, `return_self`, and `square` are never used
[INFO] [stderr]   --> src/structs/structures.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 82 |     impl Rectangle {
[INFO] [stderr]    |     -------------- associated items in this implementation
[INFO] [stderr] 83 |         fn calc_area(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |         fn check_square(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |         fn return_self(self) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |         fn square(size: u32) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `enums_basics` is never used
[INFO] [stderr]  --> src/enums/enums.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn enums_basics() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `handle_routing` is never used
[INFO] [stderr]   --> src/enums/enums.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     impl IpAddress {
[INFO] [stderr]    |     -------------- method in this implementation
[INFO] [stderr] 35 |         fn handle_routing(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `apply_color` is never used
[INFO] [stderr]   --> src/enums/enums.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |     impl Message {
[INFO] [stderr]    |     ------------ method in this implementation
[INFO] [stderr] 92 |         fn apply_color(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `match_basics` is never used
[INFO] [stderr]  --> src/match_basics/match_basics.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn match_basics(){
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_pattern` is never used
[INFO] [stderr]  --> src/simple_programs/build_pattern.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn build_pattern(blueprint: &str) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compression` is never used
[INFO] [stderr]   --> src/simple_programs/compression.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn compression() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]   --> src/main.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn check() {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rectangle` is never constructed
[INFO] [stderr]   --> src/writing_test/tests.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct Rectangle {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_hold` is never used
[INFO] [stderr]   --> src/writing_test/tests.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Rectangle{
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 44 |     fn can_hold(&self,other:Rectangle)->bool{
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generics` is never used
[INFO] [stderr]  --> src/generic_traits_lifetime/generics.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn generics() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `x` is never used
[INFO] [stderr]   --> src/generic_traits_lifetime/generics.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     impl<T> Points<T> {
[INFO] [stderr]    |     ----------------- method in this implementation
[INFO] [stderr] 65 |         fn x(&self) -> &T {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: method `mixup` is never used
[INFO] [stderr]   --> src/generic_traits_lifetime/generics.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     impl<X1, Y1> Pointss<X1, Y1> {
[INFO] [stderr]    |     ---------------------------- method in this implementation
[INFO] [stderr] 75 |         fn mixup<X2, Y2>(self, other: Pointss<X2, Y2>) -> Pointss<X1, Y2> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `concurrency` is never used
[INFO] [stderr]  --> src/concurrencies/concurrency.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn concurrency() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `loded_String` should have a snake case name
[INFO] [stderr]   --> src/collections/strings.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut loded_String: String = initia_data.to_string();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `loded_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Errors` should have a snake case name
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub mod Errors;
[INFO] [stderr]   |             ^^^^^^ help: convert the identifier to snake case: `errors`
[INFO] [stderr] 
[INFO] [stderr] warning: module `ErrorHandling` should have a snake case name
[INFO] [stderr]  --> src/error_handling/Errors.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 |  pub mod ErrorHandling{
[INFO] [stderr]   |          ^^^^^^^^^^^^^ help: convert the identifier to snake case: `error_handling`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: module `RecoverableErrors` should have a snake case name
[INFO] [stdout] running 5 tests
[INFO] [stderr]  --> src/error_handling/recoverable_errors.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod RecoverableErrors{
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recoverable_errors`
[INFO] [stderr] 
[INFO] [stderr] warning: module `UnrecoverableError` should have a snake case name
[INFO] [stderr]  --> src/error_handling/unrecoverable_errors.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod UnrecoverableError{
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unrecoverable_error`
[INFO] [stderr] 
[INFO] [stderr] warning: `learn-rust` (bin "learn-rust" test) generated 54 warnings (run `cargo fix --bin "learn-rust" --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-119bccc56db4bdb4)
[INFO] [stdout] test writing_test::tests2::tests::smaller_cannot_hold_larger ... ok
[INFO] [stdout] test writing_test::tests::testers::exploration ... ok
[INFO] [stdout] test writing_test::tests::tests::it_works ... ok
[INFO] [stdout] test writing_test::tests2::tests::larger_can_hold_smaller ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin learn-rust`
[INFO] [stdout] test writing_test::tests::testers::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- writing_test::tests2::tests::larger_can_hold_smaller stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'writing_test::tests2::tests::larger_can_hold_smaller' panicked at src/writing_test/tests2.rs:30:9:
[INFO] [stdout] assertion failed: larger.can_hold(smaller)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x571dc0c914ba - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x571dc0c914ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x571dc0c914ba - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x571dc0c914ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x571dc0cb8a53 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x571dc0cb8a53 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x571dc0c8e013 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x571dc0c91302 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x571dc0c928df - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x571dc0c926f8 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x571dc0c5ad53 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x571dc0c5ad53 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x571dc0c933d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x571dc0c933d3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x571dc0c93056 - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:697:13
[INFO] [stdout]   15:     0x571dc0c919b9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x571dc0c92d1d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x571dc0cb74d0 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x571dc0cb755c - core::panicking::panic::haa3255ea20181a33
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:145:5
[INFO] [stdout]   19:     0x571dc0c20bb8 - learn_rust::writing_test::tests2::tests::larger_can_hold_smaller::hb6289596242fbe5a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/writing_test/tests2.rs:30:9
[INFO] [stdout]   20:     0x571dc0c20b47 - learn_rust::writing_test::tests2::tests::larger_can_hold_smaller::{{closure}}::hbfa245edf3fee5d7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/writing_test/tests2.rs:21:37
[INFO] [stdout]   21:     0x571dc0c20586 - core::ops::function::FnOnce::call_once::hcc11c8a826401763
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x571dc0c604ab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x571dc0c604ab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   24:     0x571dc0c5f3e3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   25:     0x571dc0c5f3e3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x571dc0c5f3e3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   27:     0x571dc0c5f3e3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   28:     0x571dc0c5f3e3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x571dc0c5f3e3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   30:     0x571dc0c5f3e3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   31:     0x571dc0c224c5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   32:     0x571dc0c224c5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x571dc0c25daa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x571dc0c25daa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x571dc0c25daa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   36:     0x571dc0c25daa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   37:     0x571dc0c25daa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x571dc0c25daa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x571dc0c25daa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x571dc0c9730b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   41:     0x571dc0c9730b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x571dc0c9730b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   43:     0x7b7b78e9cac3 - <unknown>
[INFO] [stdout]   44:     0x7b7b78f2da04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- writing_test::tests::testers::another stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'writing_test::tests::testers::another' panicked at src/writing_test/tests.rs:31:9:
[INFO] [stdout] Makes it go boom
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x571dc0c914ba - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x571dc0c914ba - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x571dc0c914ba - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x571dc0c914ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x571dc0cb8a53 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x571dc0cb8a53 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x571dc0c8e013 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x571dc0c91302 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x571dc0c928df - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x571dc0c926f8 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x571dc0c5ad53 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x571dc0c5ad53 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x571dc0c933d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x571dc0c933d3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x571dc0c93056 - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:697:13
[INFO] [stdout]   15:     0x571dc0c919b9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x571dc0c92d1d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x571dc0cb74d0 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x571dc0c20b21 - learn_rust::writing_test::tests::testers::another::h6bfefc5d98a43cd5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/writing_test/tests.rs:31:9
[INFO] [stdout]   19:     0x571dc0c20ad7 - learn_rust::writing_test::tests::testers::another::{{closure}}::hf643234f40bdad19
[INFO] [stdout]                                at /opt/rustwide/workdir/src/writing_test/tests.rs:30:17
[INFO] [stdout]   20:     0x571dc0c204c6 - core::ops::function::FnOnce::call_once::h3247b417879980a3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   21:     0x571dc0c604ab - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x571dc0c604ab - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   23:     0x571dc0c5f3e3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   24:     0x571dc0c5f3e3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25:     0x571dc0c5f3e3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   26:     0x571dc0c5f3e3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   27:     0x571dc0c5f3e3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   28:     0x571dc0c5f3e3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   29:     0x571dc0c5f3e3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   30:     0x571dc0c224c5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   31:     0x571dc0c224c5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   32:     0x571dc0c25daa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   33:     0x571dc0c25daa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x571dc0c25daa - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   35:     0x571dc0c25daa - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   36:     0x571dc0c25daa - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   37:     0x571dc0c25daa - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   38:     0x571dc0c25daa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x571dc0c9730b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   40:     0x571dc0c9730b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   41:     0x571dc0c9730b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   42:     0x7b7b78e9cac3 - <unknown>
[INFO] [stdout]   43:     0x7b7b78f2da04 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     writing_test::tests2::tests::larger_can_hold_smaller
[INFO] [stdout]     writing_test::tests::testers::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34553bb2ea1960bf88793fe0d95c594aabeb0d24adb5359018b919ce385f50d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34553bb2ea1960bf88793fe0d95c594aabeb0d24adb5359018b919ce385f50d8", kill_on_drop: false }`
[INFO] [stdout] 34553bb2ea1960bf88793fe0d95c594aabeb0d24adb5359018b919ce385f50d8
