[INFO] cloning repository https://github.com/Bear-V/learn_rust_by_example_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bear-V/learn_rust_by_example_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Flearn_rust_by_example_demo", kill_on_drop: false }`
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[INFO] checking Bear-V/learn_rust_by_example_demo against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Flearn_rust_by_example_demo" "/workspace/builds/worker-113/source", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "2499b5c87120bc860e92e3dbdd7352434380a74f92e34a2cb3bfa91349f5aa88", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "df7d86d5917627908f1520ece6a5f990e316799203f0b18f3571e6ca245cb9b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking learn_rust_by_example_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f32::consts::PI`
[INFO] [stdout]  --> src/example/c_formatted_print.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::f32::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/example/e_display.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/example/e_display.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/example/f_display_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Formatter`
[INFO] [stdout]  --> src/example/f_display_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Formatter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `UpperHex`
[INFO] [stdout]  --> src/example/g_formatting.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::{Display, Formatter, UpperHex};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`
[INFO] [stdout]  --> src/example/j_tuple.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/example/k_array_and_slice.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deeply::nested::function as other_function`
[INFO] [stdout]    --> src/example/zj_module.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | use deeply::nested::function as other_function;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::example::my`
[INFO] [stdout]  --> src/example/zk_file_hierarchy.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::example::my;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/example/zm_generic_bound.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/example/zs_life_time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/example/zt_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/example/l_struct.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> src/example/l_struct.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     age: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Nil`
[INFO] [stdout]   --> src/example/l_struct.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Nil;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/example/l_struct.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Pair(i32, f32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `WebEvent`
[INFO] [stdout]  --> src/example/m_enum.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum WebEvent {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inspect`
[INFO] [stdout]   --> src/example/m_enum.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn inspect(event: WebEvent) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/example/m_enum.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn run(&self, x: i32, y: i32) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Operations`
[INFO] [stdout]   --> src/example/m_enum.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | type Operations = VeryVerboseEnumOfThingsToDoWithNumbers;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `List`
[INFO] [stdout]  --> src/example/p_linked_list.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum List {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/example/p_linked_list.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> List {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `prepend`
[INFO] [stdout]   --> src/example/p_linked_list.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn prepend(self, elem: u32) -> List {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/example/p_linked_list.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn len(&self) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stringify`
[INFO] [stdout]   --> src/example/p_linked_list.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn stringify(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `LANGUAGE`
[INFO] [stdout]  --> src/example/q_constants.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | static LANGUAGE: &'static str = "RUST";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THRESHOLD`
[INFO] [stdout]  --> src/example/q_constants.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const THRESHOLD: i32 = 10;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_big`
[INFO] [stdout]   --> src/example/q_constants.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_big(n: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/example/u_flow_of_control.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn foo(n: i32) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/example/zb_method.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/example/zb_method.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn origin() -> Point {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/example/zb_method.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(x: f64, y: f64) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/example/zb_method.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/example/zb_method.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/example/zb_method.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/example/zb_method.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn translate(&mut self, x: f64, y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `destroy`
[INFO] [stdout]   --> src/example/zb_method.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn destroy(self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `private_function`
[INFO] [stdout]   --> src/example/zj_module.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn private_function() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]   --> src/example/zj_module.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn function() {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_access`
[INFO] [stdout]   --> src/example/zj_module.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn indirect_access() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]   --> src/example/zj_module.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `public_function_in_my_mod`
[INFO] [stdout]   --> src/example/zj_module.rs:37:54
[INFO] [stdout]    |
[INFO] [stdout] 37 |         pub(in crate::example::zj_module::my_mod) fn public_function_in_my_mod() {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `public_function_in_nested`
[INFO] [stdout]   --> src/example/zj_module.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |         pub(self) fn public_function_in_nested() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `public_function_in_super_mod`
[INFO] [stdout]   --> src/example/zj_module.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub(super) fn public_function_in_super_mod() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `call_public_function_in_my_mod`
[INFO] [stdout]   --> src/example/zj_module.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn call_public_function_in_my_mod() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `public_function_in_crate`
[INFO] [stdout]   --> src/example/zj_module.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub(crate) fn public_function_in_crate() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OpenBox`
[INFO] [stdout]    --> src/example/zj_module.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub struct OpenBox<T> {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/example/zj_module.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 129 |         pub fn new(contents: T) -> ClosedBox<T> {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]    --> src/example/zj_module.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn function() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]    --> src/example/zj_module.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn function() {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]    --> src/example/zj_module.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn function() {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]    --> src/example/zj_module.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn function() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]    --> src/example/zj_module.rs:208:16
[INFO] [stdout]     |
[INFO] [stdout] 208 |         pub fn function() {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_call`
[INFO] [stdout]    --> src/example/zj_module.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn indirect_call() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]   --> src/example/zk_file_hierarchy.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn function() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]  --> src/example/my/nested.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn function() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]   --> src/example/my/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn function() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `private_function`
[INFO] [stdout]   --> src/example/my/mod.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn private_function() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_access`
[INFO] [stdout]   --> src/example/my/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn indirect_access() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 60 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/example/d_debug.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         name: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> src/example/d_debug.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         age: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/example/l_struct.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> src/example/l_struct.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     age: u8,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/example/s_from_and_into.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         value: i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/example/zs_life_time.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         x: &'a i32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]    --> src/example/zs_life_time.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         y: &'a i32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]    --> src/example/zs_life_time.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         x: &'a i32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "df7d86d5917627908f1520ece6a5f990e316799203f0b18f3571e6ca245cb9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7d86d5917627908f1520ece6a5f990e316799203f0b18f3571e6ca245cb9b6", kill_on_drop: false }`
[INFO] [stdout] df7d86d5917627908f1520ece6a5f990e316799203f0b18f3571e6ca245cb9b6