[INFO] cloning repository https://github.com/lristar/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lristar/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6ea6a7f6d7e131b47aa0ac5ee38f1ef13188676
[INFO] testing lristar/hello-rust against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lristar/hello-rust on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lristar/hello-rust
[INFO] finished tweaking git repo https://github.com/lristar/hello-rust
[INFO] tweaked toml for git repo https://github.com/lristar/hello-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lristar/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da2fdf7c1e51db6d3e565c00f96726419577d2da829299296e5283ed59cadab9
[INFO] running `Command { std: "docker" "start" "-a" "da2fdf7c1e51db6d3e565c00f96726419577d2da829299296e5283ed59cadab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2fdf7c1e51db6d3e565c00f96726419577d2da829299296e5283ed59cadab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2fdf7c1e51db6d3e565c00f96726419577d2da829299296e5283ed59cadab9", kill_on_drop: false }`
[INFO] [stdout] da2fdf7c1e51db6d3e565c00f96726419577d2da829299296e5283ed59cadab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de72fb2c055ad2ed6217b4abf879d1637ba08604e1f4eac547a1c066e0e3c500
[INFO] running `Command { std: "docker" "start" "-a" "de72fb2c055ad2ed6217b4abf879d1637ba08604e1f4eac547a1c066e0e3c500", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ascii::AsciiExt`
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `say_hello`
[INFO] [stdout]  --> src/macro_rule/test_macro_rule.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! say_hello {
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/one_display/test_display.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test/leetcode_test/mod.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |         last[v as usize] = (i as i32);
[INFO] [stdout]    |                            ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         last[v as usize] = (i as i32);
[INFO] [stdout] 21 +         last[v as usize] = i as i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32::consts::E`
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Error`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/test/seventeen_oop/test_trait_common.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/test/ten_genericity_trait_/test_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/test/thirteen_iters/test_closure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/test/thirteen_iters/test_update_io.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/test/twelve_cmd/test_cmd_env.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fs`
[INFO] [stdout]  --> src/test/twelve_cmd/test_file.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values};
[INFO] [stdout]   |           ^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr::NonNull`
[INFO] [stdout]  --> src/test/twelve_cmd/test_env_vars.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/test/eight_collector/test_hashmap.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut hm = HashMap::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: unused variable: `f`
[INFO] [stdout]   --> src/test/nine_error/error_map.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(f) => {println!("is delision")},
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/test/two_three_example/test_package.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let x = x * 2;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Parentheses` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | enum Parentheses {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Brackets {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CurlyBrackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | enum CurlyBrackets {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Structure` is never constructed
[INFO] [stdout]  --> src/one_display/test_display.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Structure(i32);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point2D` is never constructed
[INFO] [stdout]  --> src/one_display/test_display.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point2D {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]   --> src/one_display/test_display.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct List(Vec<i32>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HM` is never constructed
[INFO] [stdout]  --> src/test/eight_collector/test_hashmap.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct HM {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `test_new`, `test_get_value`, `test_del_value`, `test_add_value`, and `test_get_all` are never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl HM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 8  |     fn test_new() -> HM {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn test_get_value(&self, s: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn test_del_value(&mut self, s: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn test_add_value(&mut self, k: i32, v: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn test_get_all(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test_add_value() -> HM {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_del_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_del_value() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/test/eight_collector/collect_listLink.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl List{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 7  |     fn new() -> List{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn prepend(self ,elem: u32) ->List{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn len(&self) -> u32{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn stringify(&self) ->String{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 42 |     value:i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_box_point.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_drop_point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CustomSmartPointer {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sign_in_count` and `active` are never read
[INFO] [stdout]  --> src/test/five_struct/struct_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_dangle` is never used
[INFO] [stdout]   --> src/test/four_owner/test_heap_stack.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn no_dangle() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasResult` is never used
[INFO] [stdout]  --> src/test/nine_error/errors_handler.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_first` is never used
[INFO] [stdout]  --> src/test/nine_error/errors_handler.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn double_first(vec: Vec<&str>) -> AliasResult<Option<i32>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasResult` is never used
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply2` is never used
[INFO] [stdout]   --> src/test/nine_error/front_return_error.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printf` is never used
[INFO] [stdout]   --> src/test/nine_error/front_return_error.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn printf(result: AliasResult<i32>) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_text_from_file` is never used
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn read_text_from_file(path: String) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Job` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Job {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PhoneNumber` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct PhoneNumber {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `work_phone_area_code` is never used
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Person {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 81 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasedResult` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | type AliasedResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printf` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn printf(result: AliasedResult<i32>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pilot` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Pilot {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Wizard` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Wizard {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Human` is never constructed
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Human;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fly` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Human {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |   fn fly(&self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_closure` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_package.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn returns_closure() -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sheep` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sheep {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cow` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Cow {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_animal` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn random_animal(random:i32) -> Box<dyn Animal>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectBox` is never constructed
[INFO] [stdout]   --> src/test/seventeen_oop/test_trait_common.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SelectBox {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddr` is never used
[INFO] [stdout]  --> src/test/six_em/enum_test.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum IpAddr {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_num` is never used
[INFO] [stdout]  --> src/test/six_em/enum_test.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl IpAddr {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 8 |     fn get_num(&self) -> i8 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum Coin {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_in_cents` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn value_in_cents(coin: Coin) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_one` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn plus_one(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_one` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_one() -> i8 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_two` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get_two() -> i8 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_three` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_three() -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_other` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_other() -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_fn` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn select_fn(x: i8) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_genericity.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Point<T, U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mixup` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_genericity.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<T, U> Point<T, U> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 34 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Empty;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Null` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Null;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoubleDrop` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait DoubleDrop<T,U> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]  --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]  --> src/test/thirteen_iters/test_closure.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Cacher<T>
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<T> Cacher<T>
[INFO] [stdout] 13 | | where
[INFO] [stdout] 14 | |     T: Fn(u32) -> u32,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       fn value(&mut self, arg: u32) -> u32 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout1` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn generate_workout1(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/test/thirteen_iters/test_iters.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_iters.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 54 |   fn new() -> Counter {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_update_io.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/test/twelve_cmd/test_file.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `env_vars` is never used
[INFO] [stdout]  --> src/test/twelve_cmd/test_env_vars.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn env_vars(env_name:String) -> Result<String, VarError> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `curLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |                     let curLevel = priority_of(&a.to_string());
[INFO] [stdout]    |                         ^^^^^^^^ help: convert the identifier to snake case: `cur_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frontLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |                     let frontLevel = priority_of(&front.to_string());
[INFO] [stdout]    |                         ^^^^^^^^^^ help: convert the identifier to snake case: `front_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tailPro` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn tailPro() {}
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `tail_pro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `collect_listLink` should have a snake case name
[INFO] [stdout]  --> src/test/eight_collector/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod collect_listLink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name
[INFO] [stdout]  --> src/test/leetcode_test/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |        ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let res = easy_one_server::easy_one_server();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NUM: u32 = 10;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "de72fb2c055ad2ed6217b4abf879d1637ba08604e1f4eac547a1c066e0e3c500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de72fb2c055ad2ed6217b4abf879d1637ba08604e1f4eac547a1c066e0e3c500", kill_on_drop: false }`
[INFO] [stdout] de72fb2c055ad2ed6217b4abf879d1637ba08604e1f4eac547a1c066e0e3c500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3acff8cdfd2a5e435daf5738476f57033079ef73e87bcdb63dd01049f41a829
[INFO] running `Command { std: "docker" "start" "-a" "a3acff8cdfd2a5e435daf5738476f57033079ef73e87bcdb63dd01049f41a829", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ascii::AsciiExt`
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `say_hello`
[INFO] [stdout]  --> src/macro_rule/test_macro_rule.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! say_hello {
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/one_display/test_display.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test/leetcode_test/mod.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |         last[v as usize] = (i as i32);
[INFO] [stdout]    |                            ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         last[v as usize] = (i as i32);
[INFO] [stdout] 21 +         last[v as usize] = i as i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32::consts::E`
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Error`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/test/seventeen_oop/test_trait_common.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/test/sixteen_thread/test_thread_first.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, Mutex};
[INFO] [stdout]   |                 ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/test/ten_genericity_trait_/test_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/test/thirteen_iters/test_closure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/test/thirteen_iters/test_update_io.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/test/twelve_cmd/test_cmd_env.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::btree_map::Values` and `fs`
[INFO] [stdout]  --> src/test/twelve_cmd/test_file.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values};
[INFO] [stdout]   |           ^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr::NonNull`
[INFO] [stdout]  --> src/test/twelve_cmd/test_env_vars.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/test/two_three_example/types_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod types_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/test/eight_collector/test_hashmap.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut hm = HashMap::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: unused variable: `f`
[INFO] [stdout]   --> src/test/nine_error/error_map.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(f) => {println!("is delision")},
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/test/two_three_example/test_package.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let x = x * 2;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Parentheses` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | enum Parentheses {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Brackets {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CurlyBrackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | enum CurlyBrackets {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Structure` is never constructed
[INFO] [stdout]  --> src/one_display/test_display.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Structure(i32);
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point2D` is never constructed
[INFO] [stdout]  --> src/one_display/test_display.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point2D {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `List` is never constructed
[INFO] [stdout]   --> src/one_display/test_display.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct List(Vec<i32>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HM` is never constructed
[INFO] [stdout]  --> src/test/eight_collector/test_hashmap.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct HM {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `test_new`, `test_get_value`, `test_del_value`, `test_add_value`, and `test_get_all` are never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl HM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 8  |     fn test_new() -> HM {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn test_get_value(&self, s: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn test_del_value(&mut self, s: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn test_add_value(&mut self, k: i32, v: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn test_get_all(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test_add_value() -> HM {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_del_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_del_value() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/test/eight_collector/collect_listLink.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl List{
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 7  |     fn new() -> List{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn prepend(self ,elem: u32) ->List{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn len(&self) -> u32{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn stringify(&self) ->String{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 42 |     value:i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_box_point.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_drop_point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CustomSmartPointer {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sign_in_count` and `active` are never read
[INFO] [stdout]  --> src/test/five_struct/struct_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_dangle` is never used
[INFO] [stdout]   --> src/test/four_owner/test_heap_stack.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn no_dangle() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasResult` is never used
[INFO] [stdout]  --> src/test/nine_error/errors_handler.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_first` is never used
[INFO] [stdout]  --> src/test/nine_error/errors_handler.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn double_first(vec: Vec<&str>) -> AliasResult<Option<i32>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasResult` is never used
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply2` is never used
[INFO] [stdout]   --> src/test/nine_error/front_return_error.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printf` is never used
[INFO] [stdout]   --> src/test/nine_error/front_return_error.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn printf(result: AliasResult<i32>) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_text_from_file` is never used
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn read_text_from_file(path: String) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Job` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Job {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PhoneNumber` is never constructed
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct PhoneNumber {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `work_phone_area_code` is never used
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Person {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 81 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AliasedResult` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | type AliasedResult<T> = Result<T, ParseIntError>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printf` is never used
[INFO] [stdout]    --> src/test/nine_error/nine_error.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn printf(result: AliasedResult<i32>) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pilot` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Pilot {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Wizard` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Wizard {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Human` is never constructed
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_trait.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Human;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fly` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Human {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |   fn fly(&self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_closure` is never used
[INFO] [stdout]  --> src/test/nineteen_top_level/test_top_package.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn returns_closure() -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sheep` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sheep {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cow` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Cow {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Animal` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Animal {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_animal` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn random_animal(random:i32) -> Box<dyn Animal>{
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectBox` is never constructed
[INFO] [stdout]   --> src/test/seventeen_oop/test_trait_common.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SelectBox {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddr` is never used
[INFO] [stdout]  --> src/test/six_em/enum_test.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum IpAddr {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_num` is never used
[INFO] [stdout]  --> src/test/six_em/enum_test.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl IpAddr {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 8 |     fn get_num(&self) -> i8 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum Coin {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `value_in_cents` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn value_in_cents(coin: Coin) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus_one` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn plus_one(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_one` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_one() -> i8 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_two` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get_two() -> i8 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_three` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn get_three() -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_other` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_other() -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_fn` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn select_fn(x: i8) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_genericity.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Point<T, U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mixup` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_genericity.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl<T, U> Point<T, U> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 34 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Empty;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Null` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Null;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoubleDrop` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait DoubleDrop<T,U> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]  --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]  --> src/test/thirteen_iters/test_closure.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Cacher<T>
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl<T> Cacher<T>
[INFO] [stdout] 13 | | where
[INFO] [stdout] 14 | |     T: Fn(u32) -> u32,
[INFO] [stdout]    | |______________________- associated items in this implementation
[INFO] [stdout] 15 |   {
[INFO] [stdout] 16 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       fn value(&mut self, arg: u32) -> u32 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout1` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn generate_workout1(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/test/thirteen_iters/test_iters.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_iters.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Counter {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 54 |   fn new() -> Counter {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_update_io.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]   --> src/test/twelve_cmd/test_file.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `env_vars` is never used
[INFO] [stdout]  --> src/test/twelve_cmd/test_env_vars.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn env_vars(env_name:String) -> Result<String, VarError> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `curLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |                     let curLevel = priority_of(&a.to_string());
[INFO] [stdout]    |                         ^^^^^^^^ help: convert the identifier to snake case: `cur_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frontLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |                     let frontLevel = priority_of(&front.to_string());
[INFO] [stdout]    |                         ^^^^^^^^^^ help: convert the identifier to snake case: `front_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tailPro` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn tailPro() {}
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `tail_pro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `collect_listLink` should have a snake case name
[INFO] [stdout]  --> src/test/eight_collector/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod collect_listLink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name
[INFO] [stdout]  --> src/test/leetcode_test/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |        ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let res = easy_one_server::easy_one_server();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const NUM: u32 = 10;
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `x` is not used by name
[INFO] [stdout]    --> src/test/six_em/enum_test.rs:116:30
[INFO] [stdout]     |
[INFO] [stdout] 116 |     println!("four is{:#?}", x = four);
[INFO] [stdout]     |                      -----   ^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this formatting argument uses named argument `x` by position
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 116 |     println!("four is{x:#?}", x = four);
[INFO] [stdout]     |                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ascii::AsciiExt`
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macro_rule/test_macro_rule.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |       println!("Hello!");
[INFO] [stdout]    |                         ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   say_hello!()
[INFO] [stdout]    |   ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `say_hello`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `say_hello` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/one_display/test_display.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, write};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |         last[v as usize] = (i as i32);
[INFO] [stdout]    |                            ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         last[v as usize] = (i as i32);
[INFO] [stdout] 21 +         last[v as usize] = i as i32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32::consts::E`
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{f32::consts::E, num::ParseIntError};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Error`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/test/nine_error/nine_error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/test/seventeen_oop/test_trait_common.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/test/ten_genericity_trait_/test_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/test/thirteen_iters/test_closure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::btree_map::Values`
[INFO] [stdout]  --> src/test/twelve_cmd/test_file.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, collections::btree_map::Values};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr::NonNull`
[INFO] [stdout]  --> src/test/twelve_cmd/test_env_vars.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env::{self, VarError}, ptr::NonNull};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let token: Vec<String> = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]  --> src/test/eight_collector/collector_test.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let  v1 = vec![1, 2, 3];
[INFO] [stdout]   |          ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/test/eight_collector/collector_test.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let v2:[i32;5] =[1,2,3,4,5];
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v3`
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let v3:[i32;5]=[0;5];  // 这个设置默认值五个0
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let s = "initial contents".to_string();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let s = String::from("initial contents");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/test/eight_collector/test_hashmap.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut hm = HashMap::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: unused variable: `list`
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_box_point.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let list = List::Cons(1,Box::new(List::Cons(2,Box::new(List::Cons(3,Box::new(List::Nil))))));
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/test/fifteen_smart_point/test_drop_point.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/test/nine_error/error_map.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(f) => {println!("is delision")},
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cooked_carrot`
[INFO] [stdout]   --> src/test/nine_error/error_map.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let cooked_carrot = cook(chop(peer(carrot)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cooked_carrot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |   let c = Counter{};
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]    --> src/test/six_em/enum_test.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let aa = crate::test::five_struct::struct_test::create_user();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t2`
[INFO] [stdout]   --> src/test/sixteen_thread/test_thread_first.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |    let t2 =  thread::spawn(move || {
[INFO] [stdout]    |        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> src/test/sixteen_thread/test_shared_concurrency.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut sum = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/sixteen_thread/test_shared_concurrency.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut sum = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expensive_result`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intensity`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let v1 = c.value(1);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/test/thirteen_iters/test_closure.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let pair = (2, -2);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/test/two_three_example/test_package.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let x = x * 2;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Parentheses` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | enum Parentheses {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | enum Brackets {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CurlyBrackets` is never used
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | enum CurlyBrackets {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Int(i32),
[INFO] [stdout]    |         --- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 24 |         Int(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Float(f64),
[INFO] [stdout]    |         ----- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 25 |         Float(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/test/eight_collector/collector_test.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Text(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[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] 26 |         Text(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn test_add_value() -> HM {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_del_value` is never used
[INFO] [stdout]   --> src/test/eight_collector/test_hashmap.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_del_value() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl List{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn len(&self) -> u32{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 42 |     value:i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/test/fifteen_smart_point/test_box_point.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |   Cons(i32, Box<List>),
[INFO] [stdout]   |   ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 |   Cons((), ()),
[INFO] [stdout]   |        ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sign_in_count` and `active` are never read
[INFO] [stdout]  --> src/test/five_struct/struct_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_dangle` is never used
[INFO] [stdout]   --> src/test/four_owner/test_heap_stack.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn no_dangle() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/test/nine_error/front_return_error.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/test/nine_error/nine_error.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct PhoneNumber {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 76 |     area_code: Option<u8>,
[INFO] [stdout] 77 |     number: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fly` is never used
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Human {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 24 |   fn fly(&self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `options` is never read
[INFO] [stdout]   --> src/test/seventeen_oop/test_trait_common.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SelectBox {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     options: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/test/six_em/enum_test.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     V6(i32),
[INFO] [stdout]   |     -- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddr` 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] 4 |     V6(()),
[INFO] [stdout]   |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Quarter` are never constructed
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 27 |     Penny(u8),
[INFO] [stdout] 28 |     Nickel(u8),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 29 |     Dime(u8),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Quarter(u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_two` is never used
[INFO] [stdout]   --> src/test/six_em/enum_test.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get_two() -> i8 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | struct Empty;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Null` is never constructed
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct Null;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoubleDrop` is never used
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_trait.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait DoubleDrop<T,U> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_workout` is never used
[INFO] [stdout]   --> src/test/thirteen_iters/test_closure.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `curLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |                     let curLevel = priority_of(&a.to_string());
[INFO] [stdout]    |                         ^^^^^^^^ help: convert the identifier to snake case: `cur_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frontLevel` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |                     let frontLevel = priority_of(&front.to_string());
[INFO] [stdout]    |                         ^^^^^^^^^^ help: convert the identifier to snake case: `front_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tailPro` should have a snake case name
[INFO] [stdout]   --> src/leetcode_test/test_leetcode.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn tailPro() {}
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `tail_pro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Stu` should have a snake case name
[INFO] [stdout]   --> src/one_display/test_display.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let Stu = Structure(4);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `stu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `collect_listLink` should have a snake case name
[INFO] [stdout]  --> src/test/eight_collector/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod collect_listLink;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_linkList` should have a snake case name
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn test_linkList(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_link_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_typesChange` should have a snake case name
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn test_typesChange(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_types_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name
[INFO] [stdout]  --> src/test/leetcode_test/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_Type` should have a snake case name
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn test_Type(){
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `test_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_randonAnimal` should have a snake case name
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_package.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_randonAnimal(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_randon_animal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |        ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a3acff8cdfd2a5e435daf5738476f57033079ef73e87bcdb63dd01049f41a829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3acff8cdfd2a5e435daf5738476f57033079ef73e87bcdb63dd01049f41a829", kill_on_drop: false }`
[INFO] [stdout] a3acff8cdfd2a5e435daf5738476f57033079ef73e87bcdb63dd01049f41a829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7eba837efcb0990048b70aeda7cc3b7c9498e7e622e14a841a0b1e302653452
[INFO] running `Command { std: "docker" "start" "-a" "f7eba837efcb0990048b70aeda7cc3b7c9498e7e622e14a841a0b1e302653452", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ascii::AsciiExt`
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:60:11
[INFO] [stderr]    |
[INFO] [stderr] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `say_hello`
[INFO] [stderr]  --> src/macro_rule/test_macro_rule.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | macro_rules! say_hello {
[INFO] [stderr]   |              ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `write`
[INFO] [stderr]  --> src/one_display/test_display.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{self, write};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     use std::collections::HashMap;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/test/leetcode_test/mod.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |         last[v as usize] = (i as i32);
[INFO] [stderr]    |                            ^        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 21 -         last[v as usize] = (i as i32);
[INFO] [stderr] 21 +         last[v as usize] = i as i32;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `f32::consts::E`
[INFO] [stderr]  --> src/test/nine_error/front_return_error.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{f32::consts::E, num::ParseIntError};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Error`
[INFO] [stderr]  --> src/test/nine_error/nine_error.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/test/nine_error/nine_error.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/test/seventeen_oop/test_trait_common.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc`
[INFO] [stderr]  --> src/test/sixteen_thread/test_thread_first.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::mpsc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/test/sixteen_thread/test_thread_first.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/test/sixteen_thread/test_thread_first.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/test/sixteen_thread/test_shared_concurrency.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc` and `Mutex`
[INFO] [stderr]  --> src/test/sixteen_thread/test_shared_concurrency.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/test/sixteen_thread/test_shared_concurrency.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/test/ten_genericity_trait_/test_trait.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time`
[INFO] [stderr]  --> src/test/thirteen_iters/test_closure.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/test/thirteen_iters/test_update_io.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/test/twelve_cmd/test_cmd_env.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `collections::btree_map::Values` and `fs`
[INFO] [stderr]  --> src/test/twelve_cmd/test_file.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, collections::btree_map::Values};
[INFO] [stderr]   |           ^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr::NonNull`
[INFO] [stderr]  --> src/test/twelve_cmd/test_env_vars.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env::{self, VarError}, ptr::NonNull};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/test/two_three_example/types_test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod types_test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/test/two_three_example/types_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod types_test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/test/two_three_example/types_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]  --> src/test/two_three_example/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod types_test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 | use std::{ascii::AsciiExt, u8, vec};
[INFO] [stderr]    |                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/test/eight_collector/test_hashmap.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut hm = HashMap::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: unused variable: `f`
[INFO] [stderr]   --> src/test/nine_error/error_map.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         Some(f) => {println!("is delision")},
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expensive_result`
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expensive_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intensity`
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stderr]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intensity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `random_number`
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:35:37
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut expensive_result = Cacher::new(|num| {
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/test/two_three_example/test_package.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let x = x * 2;
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Parentheses` is never used
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:62:6
[INFO] [stderr]    |
[INFO] [stderr] 62 | enum Parentheses {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Brackets` is never used
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 | enum Brackets {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CurlyBrackets` is never used
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:72:6
[INFO] [stderr]    |
[INFO] [stderr] 72 | enum CurlyBrackets {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Structure` is never constructed
[INFO] [stderr]  --> src/one_display/test_display.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Structure(i32);
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point2D` is never constructed
[INFO] [stderr]  --> src/one_display/test_display.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Point2D {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `List` is never constructed
[INFO] [stderr]   --> src/one_display/test_display.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct List(Vec<i32>);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HM` is never constructed
[INFO] [stderr]  --> src/test/eight_collector/test_hashmap.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct HM {
[INFO] [stderr]   |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `test_new`, `test_get_value`, `test_del_value`, `test_add_value`, and `test_get_all` are never used
[INFO] [stderr]   --> src/test/eight_collector/test_hashmap.rs:8:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl HM {
[INFO] [stderr]    | ------- associated items in this implementation
[INFO] [stderr] 8  |     fn test_new() -> HM {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 12 |     fn test_get_value(&self, s: i32) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn test_del_value(&mut self, s: i32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn test_add_value(&mut self, k: i32, v: String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn test_get_all(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_add_value` is never used
[INFO] [stderr]   --> src/test/eight_collector/test_hashmap.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn test_add_value() -> HM {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_del_value` is never used
[INFO] [stderr]   --> src/test/eight_collector/test_hashmap.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn test_del_value() {}
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `List` is never used
[INFO] [stderr]  --> src/test/eight_collector/collect_listLink.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum List {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `prepend`, `len`, and `stringify` are never used
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl List{
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 7  |     fn new() -> List{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     fn prepend(self ,elem: u32) ->List{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn len(&self) -> u32{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn stringify(&self) ->String{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct Number {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 42 |     value:i32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `List` is never used
[INFO] [stderr]  --> src/test/fifteen_smart_point/test_box_point.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum List {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CustomSmartPointer` is never constructed
[INFO] [stderr]  --> src/test/fifteen_smart_point/test_drop_point.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct CustomSmartPointer {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `sign_in_count` and `active` are never read
[INFO] [stderr]  --> src/test/five_struct/struct_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct User {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 5 |     sign_in_count: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 6 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `no_dangle` is never used
[INFO] [stderr]   --> src/test/four_owner/test_heap_stack.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn no_dangle() -> String {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `AliasResult` is never used
[INFO] [stderr]  --> src/test/nine_error/errors_handler.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `double_first` is never used
[INFO] [stderr]  --> src/test/nine_error/errors_handler.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn double_first(vec: Vec<&str>) -> AliasResult<Option<i32>> {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `AliasResult` is never used
[INFO] [stderr]  --> src/test/nine_error/front_return_error.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type AliasResult<T> = Result<T, ParseIntError>;
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply` is never used
[INFO] [stderr]  --> src/test/nine_error/front_return_error.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply2` is never used
[INFO] [stderr]   --> src/test/nine_error/front_return_error.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn multiply2(first_number_str: &str, second_number_str: &str) -> AliasResult<i32> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `printf` is never used
[INFO] [stderr]   --> src/test/nine_error/front_return_error.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn printf(result: AliasResult<i32>) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_text_from_file` is never used
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn read_text_from_file(path: String) -> io::Result<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct Person {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Job` is never constructed
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | struct Job {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PhoneNumber` is never constructed
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct PhoneNumber {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `work_phone_area_code` is never used
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | impl Person {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 81 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `AliasedResult` is never used
[INFO] [stderr]    --> src/test/nine_error/nine_error.rs:101:6
[INFO] [stderr]     |
[INFO] [stderr] 101 | type AliasedResult<T> = Result<T, ParseIntError>;
[INFO] [stderr]     |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply` is never used
[INFO] [stderr]    --> src/test/nine_error/nine_error.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn multiply(first_number_str: &str, second_number_str: &str) -> AliasedResult<i32> {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `printf` is never used
[INFO] [stderr]    --> src/test/nine_error/nine_error.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn printf(result: AliasedResult<i32>) {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Pilot` is never used
[INFO] [stderr]  --> src/test/nineteen_top_level/test_top_trait.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Pilot {
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Wizard` is never used
[INFO] [stderr]  --> src/test/nineteen_top_level/test_top_trait.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | trait Wizard {
[INFO] [stderr]   |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Human` is never constructed
[INFO] [stderr]  --> src/test/nineteen_top_level/test_top_trait.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Human;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `fly` is never used
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_trait.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Human {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 24 |   fn fly(&self) {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `returns_closure` is never used
[INFO] [stderr]  --> src/test/nineteen_top_level/test_top_package.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn returns_closure() -> Box<dyn Fn(i32) -> i32> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Sheep` is never constructed
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_package.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Sheep {}
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cow` is never constructed
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_package.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Cow {}
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Animal` is never used
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_package.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | trait Animal {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_animal` is never used
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_package.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn random_animal(random:i32) -> Box<dyn Animal>{
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SelectBox` is never constructed
[INFO] [stderr]   --> src/test/seventeen_oop/test_trait_common.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct SelectBox {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `IpAddr` is never used
[INFO] [stderr]  --> src/test/six_em/enum_test.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum IpAddr {
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_num` is never used
[INFO] [stderr]  --> src/test/six_em/enum_test.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl IpAddr {
[INFO] [stderr]   | ----------- method in this implementation
[INFO] [stderr] 8 |     fn get_num(&self) -> i8 {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Message` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 | enum Message {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Option` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:21:6
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum Option<T> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Coin` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:26:6
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum Coin {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `value_in_cents` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn value_in_cents(coin: Coin) -> u8 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `plus_one` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn plus_one(x: Option<i32>) -> Option<i32> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_one` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn get_one() -> i8 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_two` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn get_two() -> i8 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_three` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn get_three() -> i8 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_other` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn get_other() -> i8 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `select_fn` is never used
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn select_fn(x: i8) -> i8 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_genericity.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Point<T, U> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `mixup` is never used
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_genericity.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl<T, U> Point<T, U> {
[INFO] [stderr]    | ---------------------- method in this implementation
[INFO] [stderr] 34 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Empty` is never constructed
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_trait.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 | struct Empty;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Null` is never constructed
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_trait.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 | struct Null;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `DoubleDrop` is never used
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_trait.rs:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 | trait DoubleDrop<T,U> {
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest` is never used
[INFO] [stderr]  --> src/test/ten_genericity_trait_/test_lifetime.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `s` is never used
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cacher` is never constructed
[INFO] [stderr]  --> src/test/thirteen_iters/test_closure.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Cacher<T>
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `value` are never used
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | / impl<T> Cacher<T>
[INFO] [stderr] 13 | | where
[INFO] [stderr] 14 | |     T: Fn(u32) -> u32,
[INFO] [stderr]    | |______________________- associated items in this implementation
[INFO] [stderr] 15 |   {
[INFO] [stderr] 16 |       fn new(calculation: T) -> Cacher<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |       fn value(&mut self, arg: u32) -> u32 {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_workout` is never used
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn generate_workout(intensity: u32, random_number: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_workout1` is never used
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn generate_workout1(intensity: u32, random_number: u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Counter` is never constructed
[INFO] [stderr]   --> src/test/thirteen_iters/test_iters.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct Counter {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/test/thirteen_iters/test_iters.rs:54:6
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl Counter {
[INFO] [stderr]    | ------------ associated function in this implementation
[INFO] [stderr] 54 |   fn new() -> Counter {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `search` is never used
[INFO] [stderr]   --> src/test/thirteen_iters/test_update_io.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn search<'a>(query: &'a str, contest: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `search` is never used
[INFO] [stderr]   --> src/test/twelve_cmd/test_file.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn search<'a>(query:& 'a str, contest: & 'a str) -> Vec<& 'a str>{
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `env_vars` is never used
[INFO] [stderr]  --> src/test/twelve_cmd/test_env_vars.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn env_vars(env_name:String) -> Result<String, VarError> {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `curLevel` should have a snake case name
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |                     let curLevel = priority_of(&a.to_string());
[INFO] [stderr]    |                         ^^^^^^^^ help: convert the identifier to snake case: `cur_level`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `frontLevel` should have a snake case name
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |                     let frontLevel = priority_of(&front.to_string());
[INFO] [stderr]    |                         ^^^^^^^^^^ help: convert the identifier to snake case: `front_level`
[INFO] [stderr] 
[INFO] [stderr] warning: function `tailPro` should have a snake case name
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn tailPro() {}
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `tail_pro`
[INFO] [stderr] 
[INFO] [stderr] warning: module `collect_listLink` should have a snake case name
[INFO] [stderr]  --> src/test/eight_collector/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod collect_listLink;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `collect_list_link`
[INFO] [stderr] 
[INFO] [stderr] warning: module `three_LongestSubstringWithoutRepeatingCharacters_test` should have a snake case name
[INFO] [stderr]  --> src/test/leetcode_test/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod three_LongestSubstringWithoutRepeatingCharacters_test;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `three_longest_substring_without_repeating_characters_test`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `s` should have an upper case name
[INFO] [stderr]   --> src/test/ten_genericity_trait_/test_lifetime.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | const  s: &'static str = "I have a static lifetime.";
[INFO] [stderr]    |        ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: named argument `x` is not used by name
[INFO] [stderr]    --> src/test/six_em/enum_test.rs:116:30
[INFO] [stderr]     |
[INFO] [stderr] 116 |     println!("four is{:#?}", x = four);
[INFO] [stderr]     |                      -----   ^ this named argument is referred to by position in formatting string
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this formatting argument uses named argument `x` by position
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stderr] help: use the named argument by name to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 116 |     println!("four is{x:#?}", x = four);
[INFO] [stderr]     |                       +
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/macro_rule/test_macro_rule.rs:5:25
[INFO] [stderr]    |
[INFO] [stderr] 5  |       println!("Hello!");
[INFO] [stderr]    |                         ^
[INFO] [stderr] ...
[INFO] [stderr] 11 |   say_hello!()
[INFO] [stderr]    |   ------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `say_hello`
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `say_hello` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/test/leetcode_test/three_LongestSubstringWithoutRepeatingCharacters_test.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     use std::collections::HashMap;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::btree_map::Values`
[INFO] [stderr]  --> src/test/twelve_cmd/test_file.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, collections::btree_map::Values};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> src/leetcode_test/test_leetcode.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let token: Vec<String> = vec![
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]  --> src/test/eight_collector/collector_test.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let  v1 = vec![1, 2, 3];
[INFO] [stderr]   |          ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]  --> src/test/eight_collector/collector_test.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let v2:[i32;5] =[1,2,3,4,5];
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v3`
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let v3:[i32;5]=[0;5];  // 这个设置默认值五个0
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let row = vec![
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let s = "initial contents".to_string();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let s = String::from("initial contents");
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]  --> src/test/fifteen_smart_point/test_box_point.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let list = List::Cons(1,Box::new(List::Cons(2,Box::new(List::Cons(3,Box::new(List::Nil))))));
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/test/fifteen_smart_point/test_drop_point.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let d = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/test/nine_error/error_map.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         Some(f) => {println!("is delision")},
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cooked_carrot`
[INFO] [stderr]   --> src/test/nine_error/error_map.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let cooked_carrot = cook(chop(peer(carrot)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cooked_carrot`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_trait.rs:56:7
[INFO] [stderr]    |
[INFO] [stderr] 56 |   let c = Counter{};
[INFO] [stderr]    |       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]    --> src/test/six_em/enum_test.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let aa = crate::test::five_struct::struct_test::create_user();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t2`
[INFO] [stderr]   --> src/test/sixteen_thread/test_thread_first.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 |    let t2 =  thread::spawn(move || {
[INFO] [stderr]    |        ^^ help: if this is intentional, prefix it with an underscore: `_t2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]   --> src/test/sixteen_thread/test_shared_concurrency.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut sum = 0;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/test/sixteen_thread/test_shared_concurrency.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut sum = 0;
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v1`
[INFO] [stderr]   --> src/test/thirteen_iters/test_closure.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let v1 = c.value(1);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]    --> src/test/thirteen_iters/test_closure.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let pair = (2, -2);
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Int(i32),
[INFO] [stderr]    |         --- ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[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] 24 |         Int(()),
[INFO] [stderr]    |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Float(f64),
[INFO] [stderr]    |         ----- ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[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] 25 |         Float(()),
[INFO] [stderr]    |               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/test/eight_collector/collector_test.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Text(String),
[INFO] [stderr]    |         ---- ^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[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] 26 |         Text(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: method `len` is never used
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl List{
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 14 |     fn len(&self) -> u32{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]  --> src/test/fifteen_smart_point/test_box_point.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |   Cons(i32, Box<List>),
[INFO] [stderr]   |   ---- ^^^  ^^^^^^^^^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   fields in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 2 |   Cons((), ()),
[INFO] [stderr]   |        ~~  ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `number` is never read
[INFO] [stderr]   --> src/test/nine_error/nine_error.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct PhoneNumber {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 76 |     area_code: Option<u8>,
[INFO] [stderr] 77 |     number: u32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `options` is never read
[INFO] [stderr]   --> src/test/seventeen_oop/test_trait_common.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | struct SelectBox {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 34 |     options: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/test/six_em/enum_test.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |     V6(i32),
[INFO] [stderr]   |     -- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `IpAddr` 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] 4 |     V6(()),
[INFO] [stderr]   |        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Nickel`, `Dime`, and `Quarter` are never constructed
[INFO] [stderr]   --> src/test/six_em/enum_test.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | enum Coin {
[INFO] [stderr]    |      ---- variants in this enum
[INFO] [stderr] 27 |     Penny(u8),
[INFO] [stderr] 28 |     Nickel(u8),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 29 |     Dime(u8),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 30 |     Quarter(u8),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Stu` should have a snake case name
[INFO] [stderr]   --> src/one_display/test_display.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let Stu = Structure(4);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case (notice the capitalization): `stu`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_linkList` should have a snake case name
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn test_linkList(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_link_list`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_typesChange` should have a snake case name
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn test_typesChange(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_types_change`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_Type` should have a snake case name
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_trait.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn test_Type(){
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `test_type`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_randonAnimal` should have a snake case name
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_package.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn test_randonAnimal(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_randon_animal`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_cargo` (lib) generated 107 warnings (run `cargo fix --lib -p hello_cargo` to apply 25 suggestions)
[INFO] [stderr] warning: `hello_cargo` (lib test) generated 76 warnings (40 duplicates) (run `cargo fix --lib -p hello_cargo --tests` to apply 3 suggestions)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let res = easy_one_server::easy_one_server();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `secret_number`
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NUM` is never used
[INFO] [stderr]  --> src/main.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const NUM: u32 = 10;
[INFO] [stderr]   |       ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn test() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_cargo-26a3f5b84524b4b3)
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test macro_rule::test_macro_rule::test ... ok
[INFO] [stdout] test leetcode_test::test_leetcode::leetcode_test ... ok
[INFO] [stdout] test test::eight_collector::collect_listLink::test_linkList ... ok
[INFO] [stdout] test one_display::test_display::test_display ... ok
[INFO] [stdout] test test::eight_collector::collect_listLink::test_typesChange ... ok
[INFO] [stdout] test one_display::test_display::test_display_list ... ok
[INFO] [stdout] test test::eight_collector::collector_test::test_string ... ok
[INFO] [stdout] test test::eleven_autotest::test_autotest::tests::add_three_and_two ... ignored, test
[INFO] [stdout] test test::eight_collector::test_hashmap::test_hash_map ... ok
[INFO] [stdout] test test::eleven_autotest::test_autotest::tests::one_hundred ... ok
[INFO] [stdout] test test::eleven_autotest::test_autotest::tests::add_two_and_two ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_box_point::test_box ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_box_point::test_con_list ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_deref::test_box_first ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_deref::test_deref_first ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_drop_point::test_drop ... ok
[INFO] [stdout] test test::four_owner::test_heap_stack::test_slice ... ok
[INFO] [stdout] test test::nine_error::error_andthen::test_andthen ... ok
[INFO] [stdout] test test::nine_error::error_map::test_cookie ... ok
[INFO] [stdout] test test::nine_error::errors_handler::test_map_or ... ok
[INFO] [stdout] test test::nine_error::front_return_error::test_front_result ... ok
[INFO] [stdout] test test::eight_collector::collector_test::test_vector ... ok
[INFO] [stdout] test test::nine_error::nine_error::test_parse ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_package::test_randonAnimal ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_package::test_top_package ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_Type ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_implement ... ok
[INFO] [stdout] test test::seventeen_oop::test_trait_common::test_trait_common ... ok
[INFO] [stdout] test test::nine_error::nine_error::test_hahaha ... ok
[INFO] [stdout] test test::six_em::enum_other_test::test_other_enum ... ok
[INFO] [stdout] test test::six_em::enum_test::test_enum ... ok
[INFO] [stdout] test test::six_em::enum_test::test_match ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_genericity::main ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::test_guard_match ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::calling_next_directly ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::test_match_other ... ok
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_move ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter1 ... ok
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_channel_two ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_filter ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_rev ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter_zip ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iters2 ... ok
[INFO] [stdout] test test::twelve_cmd::test_file::test_assert ... ok
[INFO] [stdout] test test::two_three_example::types_test::test_array ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_trait::test_trait ... ok
[INFO] [stdout] test test::nine_error::nine_error::test_option_judge ... ok
[INFO] [stdout] test test::twelve_cmd::test_env_vars::test_env_vars ... ok
[INFO] [stdout] test test::leetcode_test::three_LongestSubstringWithoutRepeatingCharacters_test::test_length_of_longest_substring ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::call_with_different_values ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_lifetime::test_lifetime ... ok
[INFO] [stdout] test test::two_three_example::types_test::test_rand ... ok
[INFO] [stdout] test test::thirteen_iters::test_update_io::test_assert1 ... ok
[INFO] [stdout] test test::sixteen_thread::test_shared_concurrency::test_mutex ... ok
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_thread_first ... ok
[INFO] [stdout] test test::twelve_cmd::test_cmd_env::test_cmd ... FAILED
[INFO] [stdout] test test::twelve_cmd::test_file::test_read_file ... FAILED
[INFO] [stdout] test test::two_three_example::types_test::test_ordering ... FAILED
[INFO] [stdout] test test::two_three_example::types_test::test_tuple - should panic ... FAILED
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_channel ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::test_closure ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::twelve_cmd::test_cmd_env::test_cmd stdout ----
[INFO] [stdout] thread 'test::twelve_cmd::test_cmd_env::test_cmd' panicked at src/test/twelve_cmd/test_cmd_env.rs:7:24:
[INFO] [stdout] index out of bounds: the len is 1 but the index is 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64994f7b408a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x64994f7b408a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x64994f7b408a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64994f7b408a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64994f7daaa3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x64994f7daaa3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x64994f7b0b03 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x64994f7b3ed2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x64994f7b550d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x64994f7b5317 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x64994f745787 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x64994f745787 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x64994f7b5bb8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x64994f7b5bb8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x64994f7b597a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x64994f7b4569 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x64994f7b560c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x64994f6bf080 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x64994f6bf201 - core::panicking::panic_bounds_check::hb2257b29f1a42aba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:281:5
[INFO] [stdout]   19:     0x64994f6e5a67 - <usize as core::slice::index::SliceIndex<[T]>>::index::he5f9593d92265d96
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/slice/index.rs:274:10
[INFO] [stdout]   20:     0x64994f6d0af4 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h5a783244e45a4d58
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/slice/index.rs:16:9
[INFO] [stdout]   21:     0x64994f6d0af4 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::hb541e50d5be9488d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/vec/mod.rs:3346:9
[INFO] [stdout]   22:     0x64994f6e25a4 - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::h2c6e0c5b8ba3f338
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:7:24
[INFO] [stdout]   23:     0x64994f6e2547 - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::{{closure}}::h7078e04e34ddbd8d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:5:14
[INFO] [stdout]   24:     0x64994f6f4df6 - core::ops::function::FnOnce::call_once::h457c416402205d6d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x64994f74a2ab - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x64994f74a2ab - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   27:     0x64994f749c98 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   28:     0x64994f749c98 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x64994f749c98 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   30:     0x64994f749c98 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   31:     0x64994f749c98 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   32:     0x64994f749c98 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   33:     0x64994f749c98 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   34:     0x64994f70d73a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   35:     0x64994f70d73a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   36:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   37:     0x64994f7110b4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x64994f7110b4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   39:     0x64994f7110b4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   40:     0x64994f7110b4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   41:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x64994f7110b4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   45:     0x64994f7b9b0b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   46:     0x7428743b1ac3 - <unknown>
[INFO] [stdout]   47:     0x742874442a04 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::twelve_cmd::test_file::test_read_file stdout ----
[INFO] [stdout] In file hello.txt
[INFO] [stdout] thread 'test::twelve_cmd::test_file::test_read_file' panicked at src/test/twelve_cmd/test_file.rs:10:10:
[INFO] [stdout] hello11111: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64994f7b408a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x64994f7b408a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x64994f7b408a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64994f7b408a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64994f7daaa3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x64994f7daaa3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x64994f7b0b03 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x64994f7b3ed2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x64994f7b550d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x64994f7b5317 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x64994f745787 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x64994f745787 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x64994f7b5bb8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x64994f7b5bb8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x64994f7b597a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x64994f7b4569 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x64994f7b560c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x64994f6bf080 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x64994f6bf4c6 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x64994f6fb7b4 - core::result::Result<T,E>::expect::h0f4780f2ca6e9e08
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1061:23
[INFO] [stdout]   20:     0x64994f6eeb1f - hello_cargo::test::twelve_cmd::test_file::test_read_file::h3949c7a174100be0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:9:20
[INFO] [stdout]   21:     0x64994f6eea77 - hello_cargo::test::twelve_cmd::test_file::test_read_file::{{closure}}::h14050fdf407da9e2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:5:20
[INFO] [stdout]   22:     0x64994f6f51d6 - core::ops::function::FnOnce::call_once::h898d7f6c9b73a5a2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x64994f74a2ab - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x64994f74a2ab - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x64994f749c98 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x64994f749c98 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x64994f749c98 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x64994f749c98 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x64994f749c98 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x64994f749c98 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x64994f749c98 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x64994f70d73a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x64994f70d73a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x64994f7110b4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x64994f7110b4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x64994f7110b4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x64994f7110b4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x64994f7110b4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x64994f7b9b0b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7428743b1ac3 - <unknown>
[INFO] [stdout]   45:     0x742874442a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::two_three_example::types_test::test_ordering stdout ----
[INFO] [stdout] Guess the number!
[INFO] [stdout] Please input your guess.
[INFO] [stdout] thread 'test::two_three_example::types_test::test_ordering' panicked at src/test/two_three_example/types_test.rs:37:43:
[INFO] [stdout] Please type a number!: ParseIntError { kind: Empty }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64994f7b408a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x64994f7b408a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x64994f7b408a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64994f7b408a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64994f7daaa3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x64994f7daaa3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x64994f7b0b03 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x64994f7b3ed2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x64994f7b550d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x64994f7b5317 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x64994f745787 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x64994f745787 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x64994f7b5bb8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x64994f7b5bb8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x64994f7b597a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x64994f7b4569 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x64994f7b560c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x64994f6bf080 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x64994f6bf4c6 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x64994f6fb6f2 - core::result::Result<T,E>::expect::h0cc6891780bc868c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1061:23
[INFO] [stdout]   20:     0x64994f6da701 - hello_cargo::test::two_three_example::types_test::test_ordering::h13de9414ea8736f3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:37:22
[INFO] [stdout]   21:     0x64994f6da527 - hello_cargo::test::two_three_example::types_test::test_ordering::{{closure}}::ha60dbeb5a3a5cff7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:29:23
[INFO] [stdout]   22:     0x64994f6f4eb6 - core::ops::function::FnOnce::call_once::h4e5e4a1e2d59c011
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x64994f74a2ab - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x64994f74a2ab - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x64994f749c98 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x64994f749c98 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x64994f749c98 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x64994f749c98 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x64994f749c98 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x64994f749c98 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x64994f749c98 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x64994f70d73a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x64994f70d73a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x64994f7110b4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x64994f7110b4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x64994f7110b4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x64994f7110b4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x64994f7110b4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x64994f7b9b0b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7428743b1ac3 - <unknown>
[INFO] [stdout]   45:     0x742874442a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::two_three_example::types_test::test_tuple stdout ----
[INFO] [stdout] 1,2,3
[INFO] [stdout] thread 'test::two_three_example::types_test::test_tuple' panicked at src/test/two_three_example/types_test.rs:11:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64994f7b408a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x64994f7b408a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x64994f7b408a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64994f7b408a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64994f7daaa3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x64994f7daaa3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x64994f7b0b03 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x64994f7b3ed2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x64994f7b550d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x64994f7b5317 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x64994f745787 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x64994f745787 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x64994f7b5bb8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x64994f7b5bb8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x64994f7b597a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x64994f7b4569 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x64994f7b560c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x64994f6bf080 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x64994f6bf44b - core::panicking::assert_failed_inner::hf2c17e6d30928787
[INFO] [stdout]   19:     0x64994f78631d - core::panicking::assert_failed::h22f2140ca9299a55
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:373:5
[INFO] [stdout]   20:     0x64994f6da235 - hello_cargo::test::two_three_example::types_test::test_tuple::h7e0727687c748bed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:11:5
[INFO] [stdout]   21:     0x64994f6d9fe7 - hello_cargo::test::two_three_example::types_test::test_tuple::{{closure}}::h1b0e6abb52029553
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:7:20
[INFO] [stdout]   22:     0x64994f6f4d16 - core::ops::function::FnOnce::call_once::h3c2a1ab11edd350a
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x64994f74a2ab - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x64994f74a2ab - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x64994f749c98 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x64994f749c98 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x64994f749c98 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x64994f749c98 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x64994f749c98 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x64994f749c98 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x64994f749c98 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x64994f70d73a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x64994f70d73a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x64994f7110b4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x64994f7110b4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x64994f7110b4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x64994f7110b4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x64994f7110b4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x64994f7110b4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x64994f7b9b0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x64994f7b9b0b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7428743b1ac3 - <unknown>
[INFO] [stdout]   45:     0x742874442a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: `"assertion `left == right` failed\n  left: 2\n right: 1"`,
[INFO] [stdout]  expected substring: `"assertion failed"`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::twelve_cmd::test_cmd_env::test_cmd
[INFO] [stdout]     test::twelve_cmd::test_file::test_read_file
[INFO] [stdout]     test::two_three_example::types_test::test_ordering
[INFO] [stdout]     test::two_three_example::types_test::test_tuple
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 57 passed; 4 failed; 1 ignored; 0 measured; 0 filtered out; finished in 4.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f7eba837efcb0990048b70aeda7cc3b7c9498e7e622e14a841a0b1e302653452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7eba837efcb0990048b70aeda7cc3b7c9498e7e622e14a841a0b1e302653452", kill_on_drop: false }`
[INFO] [stdout] f7eba837efcb0990048b70aeda7cc3b7c9498e7e622e14a841a0b1e302653452
