[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flristar%2Fhello-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lristar/hello-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b98872c7169d3df868a351522cbefe1bec89adb69cbdaa7648c0ca6b3f30117
[INFO] running `Command { std: "docker" "start" "-a" "6b98872c7169d3df868a351522cbefe1bec89adb69cbdaa7648c0ca6b3f30117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b98872c7169d3df868a351522cbefe1bec89adb69cbdaa7648c0ca6b3f30117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b98872c7169d3df868a351522cbefe1bec89adb69cbdaa7648c0ca6b3f30117", kill_on_drop: false }`
[INFO] [stdout] 6b98872c7169d3df868a351522cbefe1bec89adb69cbdaa7648c0ca6b3f30117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d052d8b7f0ac5b57d83e0ef867d300687ea5256c3ff102d1ef1ba422b617d7d
[INFO] running `Command { std: "docker" "start" "-a" "7d052d8b7f0ac5b57d83e0ef867d300687ea5256c3ff102d1ef1ba422b617d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[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: struct `Number` is never constructed
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[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: struct `Counter` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Counter{
[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 3.80s
[INFO] running `Command { std: "docker" "inspect" "7d052d8b7f0ac5b57d83e0ef867d300687ea5256c3ff102d1ef1ba422b617d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d052d8b7f0ac5b57d83e0ef867d300687ea5256c3ff102d1ef1ba422b617d7d", kill_on_drop: false }`
[INFO] [stdout] 7d052d8b7f0ac5b57d83e0ef867d300687ea5256c3ff102d1ef1ba422b617d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 639aadf40b8819d03e9d695e265ab884cdc39d12f175473a57d95468b1b337c0
[INFO] running `Command { std: "docker" "start" "-a" "639aadf40b8819d03e9d695e265ab884cdc39d12f175473a57d95468b1b337c0", 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: struct `Number` is never constructed
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[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: struct `Counter` is never constructed
[INFO] [stdout]   --> src/test/nineteen_top_level/test_top_trait.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Counter{
[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] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[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: 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: `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: 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(i32),
[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(f64),
[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(String),
[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: struct `Number` is never constructed
[INFO] [stdout]   --> src/test/eight_collector/collect_listLink.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct Number {
[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(i32, Box<List>),
[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(i32),
[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]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 12 - const  s: &'static str = "I have a static lifetime.";
[INFO] [stdout] 12 + const  S: &'static str = "I have a static lifetime.";
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "639aadf40b8819d03e9d695e265ab884cdc39d12f175473a57d95468b1b337c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639aadf40b8819d03e9d695e265ab884cdc39d12f175473a57d95468b1b337c0", kill_on_drop: false }`
[INFO] [stdout] 639aadf40b8819d03e9d695e265ab884cdc39d12f175473a57d95468b1b337c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 913eae1dcb77d07c2714ed063a68cf3ad86e6db82bc5fbe070930b3b03762c3c
[INFO] running `Command { std: "docker" "start" "-a" "913eae1dcb77d07c2714ed063a68cf3ad86e6db82bc5fbe070930b3b03762c3c", 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: struct `Number` is never constructed
[INFO] [stderr]   --> src/test/eight_collector/collect_listLink.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct Number {
[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: struct `Counter` is never constructed
[INFO] [stderr]   --> src/test/nineteen_top_level/test_top_trait.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | struct Counter{
[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(i32),
[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(f64),
[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(String),
[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(i32, Box<List>),
[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(i32),
[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: 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]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] help: convert the identifier to upper case (notice the capitalization)
[INFO] [stderr]    |
[INFO] [stderr] 12 - const  s: &'static str = "I have a static lifetime.";
[INFO] [stderr] 12 + const  S: &'static str = "I have a static lifetime.";
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_cargo` (lib) generated 108 warnings (run `cargo fix --lib -p hello_cargo` to apply 26 suggestions)
[INFO] [stderr] warning: `hello_cargo` (lib test) generated 76 warnings (39 duplicates) (run `cargo fix --lib -p hello_cargo --tests` to apply 4 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 0.07s
[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 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_cargo-fd8dce2dd2a2803e)
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test leetcode_test::test_leetcode::leetcode_test ... ok
[INFO] [stdout] test macro_rule::test_macro_rule::test ... ok
[INFO] [stdout] test test::eight_collector::collect_listLink::test_linkList ... 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::eight_collector::collector_test::test_vector ... 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::add_two_and_two ... ok
[INFO] [stdout] test test::fifteen_smart_point::test_box_point::test_box ... ok
[INFO] [stdout] test test::eleven_autotest::test_autotest::tests::one_hundred ... 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::leetcode_test::three_LongestSubstringWithoutRepeatingCharacters_test::test_length_of_longest_substring ... 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::nine_error::nine_error::test_option_judge ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_package::test_randonAnimal ... ok
[INFO] [stdout] test test::nine_error::nine_error::test_parse ... ok
[INFO] [stdout] test test::nine_error::error_map::test_cookie ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_implement ... ok
[INFO] [stdout] test test::six_em::enum_other_test::test_other_enum ... ok
[INFO] [stdout] test test::nine_error::nine_error::test_hahaha ... ok
[INFO] [stdout] test test::six_em::enum_test::test_enum ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_trait::test_Type ... ok
[INFO] [stdout] test test::seventeen_oop::test_trait_common::test_trait_common ... ok
[INFO] [stdout] test test::six_em::enum_test::test_match ... ok
[INFO] [stdout] test test::nine_error::error_andthen::test_andthen ... ok
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_move ... ok
[INFO] [stdout] test test::sixteen_thread::test_thread_first::test_channel_two ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_genericity::main ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_lifetime::test_lifetime ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::call_with_different_values ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter1 ... ok
[INFO] [stdout] test test::ten_genericity_trait_::test_trait::test_trait ... ok
[INFO] [stdout] test test::sixteen_thread::test_shared_concurrency::test_mutex ... ok
[INFO] [stdout] test test::thirteen_iters::test_closure::test_guard_match ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iter ... 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_update_io::test_assert1 ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::test_iters2 ... ok
[INFO] [stdout] test test::twelve_cmd::test_env_vars::test_env_vars ... ok
[INFO] [stdout] test test::two_three_example::types_test::test_rand ... 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::thirteen_iters::test_closure::test_match_other ... ok
[INFO] [stdout] test test::thirteen_iters::test_iters::calling_next_directly ... ok
[INFO] [stdout] test one_display::test_display::test_display ... ok
[INFO] [stdout] test test::nineteen_top_level::test_top_package::test_top_package ... 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_tuple - should panic ... FAILED
[INFO] [stdout] test test::two_three_example::types_test::test_ordering ... 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] 
[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:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe8b25beea2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe8b25beea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe8b25e5883 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fe8b25e5883 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5fe8b25bb933 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe8b25bb933 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fe8b25becf2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fe8b25c0429 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5fe8b25c025e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5fe8b2550a74 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5fe8b2550a74 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe8b25c0efe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5fe8b25c0efe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5fe8b25c0bca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5fe8b25bf3a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fe8b25c085d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5fe8b25e3570 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5fe8b25e36f1 - core::panicking::panic_bounds_check::h5443494609ce8457
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:280:5
[INFO] [stdout]   20:     0x5fe8b24fb314 - <usize as core::slice::index::SliceIndex<[T]>>::index::hcb0255c32b4cdbc6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/index.rs:274:10
[INFO] [stdout]   21:     0x5fe8b24e1117 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h45443e5fa759061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/index.rs:18:15
[INFO] [stdout]   22:     0x5fe8b24e1117 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::h282712937939a3bf
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3571:9
[INFO] [stdout]   23:     0x5fe8b24eba84 - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::he2ea3a90e2f58621
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:7:24
[INFO] [stdout]   24:     0x5fe8b24eba27 - hello_cargo::test::twelve_cmd::test_cmd_env::test_cmd::{{closure}}::heac1d55509b79d26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_cmd_env.rs:5:14
[INFO] [stdout]   25:     0x5fe8b24e2856 - core::ops::function::FnOnce::call_once::h646d0b14f27c8170
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x5fe8b25562db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x5fe8b25562db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   28:     0x5fe8b2555415 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   29:     0x5fe8b2555415 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x5fe8b2555415 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   31:     0x5fe8b2555415 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   32:     0x5fe8b2555415 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5fe8b2555415 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   34:     0x5fe8b2555415 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   35:     0x5fe8b2519014 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   36:     0x5fe8b2519014 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x5fe8b251c9ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x5fe8b251c9ea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   40:     0x5fe8b251c9ea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   41:     0x5fe8b251c9ea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x5fe8b251c9ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x5fe8b25c3e7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x5fe8b25c3e7f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x724090dedaa4 - <unknown>
[INFO] [stdout]   47:     0x724090e7aa34 - 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] 
[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:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe8b25beea2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe8b25beea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe8b25e5883 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fe8b25e5883 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5fe8b25bb933 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe8b25bb933 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fe8b25becf2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fe8b25c0429 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5fe8b25c025e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5fe8b2550a74 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5fe8b2550a74 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe8b25c0efe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5fe8b25c0efe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5fe8b25c0bca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5fe8b25bf3a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fe8b25c085d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5fe8b25e3570 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5fe8b25e39d6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5fe8b24ea0cc - core::result::Result<T,E>::expect::h486bcd50e0030125
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5fe8b250c45c - hello_cargo::test::twelve_cmd::test_file::test_read_file::h3b05f429e8a4d08f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:10:10
[INFO] [stdout]   22:     0x5fe8b250c3b7 - hello_cargo::test::twelve_cmd::test_file::test_read_file::{{closure}}::h084f006e54ce1306
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/twelve_cmd/test_file.rs:5:20
[INFO] [stdout]   23:     0x5fe8b24e3406 - core::ops::function::FnOnce::call_once::hfbf22e09e521923d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5fe8b25562db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5fe8b25562db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5fe8b2555415 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5fe8b2555415 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5fe8b2555415 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5fe8b2555415 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5fe8b2555415 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fe8b2555415 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5fe8b2555415 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5fe8b2519014 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5fe8b2519014 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5fe8b251c9ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5fe8b251c9ea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5fe8b251c9ea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5fe8b251c9ea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5fe8b251c9ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5fe8b25c3e7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5fe8b25c3e7f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x724090dedaa4 - <unknown>
[INFO] [stdout]   45:     0x724090e7aa34 - 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] 
[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:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe8b25beea2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe8b25beea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe8b25e5883 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fe8b25e5883 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5fe8b25bb933 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe8b25bb933 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fe8b25becf2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fe8b25c0429 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5fe8b25c025e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5fe8b2550a74 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5fe8b2550a74 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe8b25c0efe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5fe8b25c0efe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5fe8b25c0bca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5fe8b25bf3a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fe8b25c085d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5fe8b25e3570 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5fe8b25e38c3 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5fe8b25a0b1c - core::panicking::assert_failed::h34230adf88934ee5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5fe8b25037a0 - hello_cargo::test::two_three_example::types_test::test_tuple::he39af778b8b60e66
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:11:5
[INFO] [stdout]   22:     0x5fe8b2503627 - hello_cargo::test::two_three_example::types_test::test_tuple::{{closure}}::hd3a20fa3f639104a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:7:20
[INFO] [stdout]   23:     0x5fe8b24e2206 - core::ops::function::FnOnce::call_once::h08cfddf44f4619d3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5fe8b25562db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5fe8b25562db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5fe8b2555415 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5fe8b2555415 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5fe8b2555415 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5fe8b2555415 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5fe8b2555415 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fe8b2555415 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5fe8b2555415 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5fe8b2519014 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5fe8b2519014 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5fe8b251c9ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5fe8b251c9ea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5fe8b251c9ea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5fe8b251c9ea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5fe8b251c9ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5fe8b25c3e7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5fe8b25c3e7f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x724090dedaa4 - <unknown>
[INFO] [stdout]   45:     0x724090e7aa34 - 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] ---- test::two_three_example::types_test::test_ordering stdout ----
[INFO] [stdout] Guess the number!
[INFO] [stdout] Please input your guess.
[INFO] [stdout] 
[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:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe8b25beea2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe8b25beea2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe8b25beea2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe8b25e5883 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fe8b25e5883 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5fe8b25bb933 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe8b25bb933 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fe8b25becf2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fe8b25c0429 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5fe8b25c025e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5fe8b2550a74 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5fe8b2550a74 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe8b25c0efe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5fe8b25c0efe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5fe8b25c0bca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5fe8b25bf3a9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fe8b25c085d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5fe8b25e3570 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5fe8b25e39d6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5fe8b24ea277 - core::result::Result<T,E>::expect::h97c0fd73b4b7049e
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1119:23
[INFO] [stdout]   21:     0x5fe8b2503be1 - hello_cargo::test::two_three_example::types_test::test_ordering::h42c23caacd536fd5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:37:43
[INFO] [stdout]   22:     0x5fe8b2503a07 - hello_cargo::test::two_three_example::types_test::test_ordering::{{closure}}::he2ff41f4ecb8c5a8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test/two_three_example/types_test.rs:29:23
[INFO] [stdout]   23:     0x5fe8b24e3176 - core::ops::function::FnOnce::call_once::he5ccd6fbd0b4b163
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5fe8b25562db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5fe8b25562db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5fe8b2555415 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5fe8b2555415 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5fe8b2555415 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5fe8b2555415 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5fe8b2555415 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fe8b2555415 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5fe8b2555415 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5fe8b2519014 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5fe8b2519014 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5fe8b251c9ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5fe8b251c9ea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5fe8b251c9ea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5fe8b251c9ea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fe8b251c9ea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5fe8b251c9ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5fe8b25c3e7f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5fe8b25c3e7f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x724090dedaa4 - <unknown>
[INFO] [stdout]   45:     0x724090e7aa34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[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 4.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "913eae1dcb77d07c2714ed063a68cf3ad86e6db82bc5fbe070930b3b03762c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913eae1dcb77d07c2714ed063a68cf3ad86e6db82bc5fbe070930b3b03762c3c", kill_on_drop: false }`
[INFO] [stdout] 913eae1dcb77d07c2714ed063a68cf3ad86e6db82bc5fbe070930b3b03762c3c
