[INFO] cloning repository https://github.com/RevelationOfTuring/Rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RevelationOfTuring/Rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85833a6e8ad2ed3365b46f1059682316bdcdc8ef
[INFO] testing RevelationOfTuring/Rust-exercise against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RevelationOfTuring/Rust-exercise
[INFO] finished tweaking git repo https://github.com/RevelationOfTuring/Rust-exercise
[INFO] tweaked toml for git repo https://github.com/RevelationOfTuring/Rust-exercise written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RevelationOfTuring/Rust-exercise on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RevelationOfTuring/Rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5c4961486ff95c60e235ca27d4dc02466b20af4536bd0993526e980b137f195
[INFO] running `Command { std: "docker" "start" "-a" "d5c4961486ff95c60e235ca27d4dc02466b20af4536bd0993526e980b137f195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c4961486ff95c60e235ca27d4dc02466b20af4536bd0993526e980b137f195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c4961486ff95c60e235ca27d4dc02466b20af4536bd0993526e980b137f195", kill_on_drop: false }`
[INFO] [stdout] d5c4961486ff95c60e235ca27d4dc02466b20af4536bd0993526e980b137f195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acae43fe494aceb106b5f113cf420f8961f0dd94189d51a9627fc3ff919508ba
[INFO] running `Command { std: "docker" "start" "-a" "acae43fe494aceb106b5f113cf420f8961f0dd94189d51a9627fc3ff919508ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `calculate`
[INFO] [stdout]   --> src/macro_rules/domain_specific_languages.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! calculate {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `calculate`
[INFO] [stdout]  --> src/macro_rules/variadic_interfaces.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! calculate {
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/generics.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn generics_function<T>(arg: T) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn function() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn private_function() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn function() {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indirect_access` is never used
[INFO] [stdout]   --> src/module_visibility.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn indirect_access() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_public_function_in_my_mod` is never used
[INFO] [stdout]   --> src/module_visibility.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn call_public_function_in_my_mod() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_crate` is never used
[INFO] [stdout]   --> src/module_visibility.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub(crate) fn public_function_in_crate() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn private_function() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_my_mod` is never used
[INFO] [stdout]   --> src/module_visibility.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub(in crate::module_visibility::my_mod) fn public_function_in_my_mod() {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_my_mod_inner` is never used
[INFO] [stdout]   --> src/module_visibility.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |         pub(self) fn public_function_in_my_mod_inner() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_super_mod` is never used
[INFO] [stdout]   --> src/module_visibility.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |         pub(super) fn public_function_in_super_mod() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OpenBox` is never constructed
[INFO] [stdout]  --> src/module_struct_visibility.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub struct OpenBox<T> {
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClosedBox` is never constructed
[INFO] [stdout]   --> src/module_struct_visibility.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct ClosedBox<T> {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/module_struct_visibility.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     impl<T> ClosedBox<T> {
[INFO] [stdout]    |     -------------------- associated function in this implementation
[INFO] [stdout] 21 |         // 一个公有的构造器方法
[INFO] [stdout] 22 |         pub fn new(contents: T) -> ClosedBox<T> {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/module_super_and_self.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn function() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_super_and_self.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn function() {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_super_and_self.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn function() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indirect_call` is never used
[INFO] [stdout]   --> src/module_super_and_self.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn indirect_call() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_super_and_self.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_file_hierarchy.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn function(){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn function() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]   --> src/module_file_hierarchy/my_mod/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn private_function() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indirect_access` is never used
[INFO] [stdout]   --> src/module_file_hierarchy/my_mod/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn indirect_access() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/inaccessible.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn public_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/nested.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn function() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/nested.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn private_function() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_you_on_linux` is never used
[INFO] [stdout]   --> src/attribute_cfg.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn are_you_on_linux() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generics_function` is never used
[INFO] [stdout]   --> src/generics.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn generics_function<T>(arg: T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_v1` is never used
[INFO] [stdout]   --> src/error_handling_result_map.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn multiply_v1(first_num_str: &str, second_num_str: &str) -> Result<i32, ParseIntError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_result` is never used
[INFO] [stdout]   --> src/error_handling_result_map.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn print_result(result: Result<i32, ParseIntError>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_v2` is never used
[INFO] [stdout]   --> src/error_handling_result_map.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn multiply_v2(first_num_str: &str, second_num_str: &str) -> Result<i32, ParseIntError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/error_handling_multiple_error_types_boxing_errors.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyVec` is never constructed
[INFO] [stdout]   --> src/error_handling_multiple_error_types_boxing_errors.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct EmptyVec;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_first` is never used
[INFO] [stdout]   --> src/error_handling_multiple_error_types_boxing_errors.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn double_first(vec: Vec<&str>) -> Result<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_result` is never used
[INFO] [stdout]   --> src/error_handling_multiple_error_types_boxing_errors.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn print_result(result: Result<i32>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Bird` is never used
[INFO] [stdout]   --> src/trait_object.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait Bird {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Duck` is never constructed
[INFO] [stdout]   --> src/trait_object.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Duck;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Swan` is never constructed
[INFO] [stdout]   --> src/trait_object.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Swan;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_box` is never used
[INFO] [stdout]   --> src/scoping_rules/raii/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn create_box() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Book {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow_book` is never used
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn borrow_book(book: &Book) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_edition` is never used
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new_edition(book: &mut Book) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `NUM` is never used
[INFO] [stdout]   --> src/lifetimes/static.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static NUM: i32 = 1024;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MichaelMathError` is never used
[INFO] [stdout]   --> src/std_library_types/result.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub enum MichaelMathError {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MichaelResult` is never used
[INFO] [stdout]   --> src/std_library_types/result.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub type MichaelResult = Result<f64, MichaelMathError>;
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]   --> src/std_library_types/result.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn divide(divident: f64, divisor: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/std_library_types/result.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn sqrt(num: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]   --> src/std_library_types/result.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn ln(num: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MichaelMathError` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub enum MichaelMathError {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MichaelResult` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type MichaelResult = Result<f64, MichaelMathError>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn div(divident: f64, divisor: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ln` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn ln(num: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn sqrt(num: f64) -> MichaelResult {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `op` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn op(num1: f64, num2: f64) {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_op` is never used
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn run_op(num1: f64, num2: f64) -> MichaelResult {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TEXT` is never used
[INFO] [stdout]  --> src/file_io/create.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static TEXT: &str = "This is a file for create test!!";
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "acae43fe494aceb106b5f113cf420f8961f0dd94189d51a9627fc3ff919508ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acae43fe494aceb106b5f113cf420f8961f0dd94189d51a9627fc3ff919508ba", kill_on_drop: false }`
[INFO] [stdout] acae43fe494aceb106b5f113cf420f8961f0dd94189d51a9627fc3ff919508ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6077d43eb67d4721431ff4eb05c79657d5c015ed48e04f96cce08f865575bc
[INFO] running `Command { std: "docker" "start" "-a" "3a6077d43eb67d4721431ff4eb05c79657d5c015ed48e04f96cce08f865575bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/labels.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             'inner: loop {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     ($b.len(),));
[INFO] [stdout]    |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 35 |         assert_equal_len!(a,b,hi,+=)
[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 `assert_equal_len`
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `assert_equal_len` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stdout]    |         -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnameable_test_items)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stdout]    |         --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stdout]    |         -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/file_io/open.rs:23:77
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Err(err) => panic!("file {} is opened failed: {}", display, err.description()),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/file_io/open.rs:30:75
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Err(err) => panic!("file {} is read failed: {}", display, err.description()),
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/file_io/create.rs:27:78
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(err) => panic!("file {} is created failed: {}", display, err.description()),
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `noisy_unused_variable`
[INFO] [stdout]   --> src/variable_bindings.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let noisy_unused_variable = 2u32;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_noisy_unused_variable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `closure_annotated`
[INFO] [stdout]   --> src/function_closures.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let closure_annotated = |i: i32| -> i32 { i + 1 };
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closure_annotated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reborrow`
[INFO] [stdout]   --> src/function_closures_capturing.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let reborrow = &mut count;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reborrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/function_diverging_functions.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let a = some_fn();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/generics.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn generics_function<T>(arg: T) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/object_safe.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut x = 1024;
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/object_safe.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut x = 1024;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/object_safe.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo2`
[INFO] [stdout]    --> src/object_safe.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let x = S;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `S`
[INFO] [stdout]    |
[INFO] [stdout] 18 -         let x = S;
[INFO] [stdout] 18 +         let scoping_rules::raii::destructor::tests::S = S;
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let _x = S;
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lifetimes/explicit_annotation.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let x = 1024;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test3`
[INFO] [stdout]   --> src/traits/derive.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let test3 = Test3(1024);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_test3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/traits/operator_overloading.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |         fn add(self, rhs: Test1) -> Self::Output {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/traits/operator_overloading.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn add(self, rhs: Test2) -> Self::Output {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test2`
[INFO] [stdout]   --> src/traits/drop.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |             let test2 = Test { name: "test2" };
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_test2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test3`
[INFO] [stdout]   --> src/traits/drop.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let test3 = Test { name: "test3" };
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_test3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test4`
[INFO] [stdout]   --> src/traits/drop.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 let test4 = Test { name: "test4" };
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_test4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/std_library_types/hashset.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut set2: HashSet<i32> = vec![3, 4, 5, 6, 7, 8].into_iter().collect();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/conversion.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         struct Number {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] 28 |             value: i32,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]   --> src/tuples.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Person<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/structures.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct Point {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |         x: f32,
[INFO] [stdout]   |         ^
[INFO] [stdout] 6 |         y: f32,
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field2` and `field3` are never read
[INFO] [stdout]  --> src/destructure_struct.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct S1 {
[INFO] [stdout]   |            -- fields in this struct
[INFO] [stdout] 7 |         field1: i32,
[INFO] [stdout] 8 |         field2: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |         field3: (u32, f64),
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `S1` 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 `foo` is never used
[INFO] [stdout]  --> src/function_diverging_functions.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn foo() -> ! {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn private_function() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/module_visibility.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `contents` is never read
[INFO] [stdout]   --> src/module_struct_visibility.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub struct ClosedBox<T> {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 16 |         // 私有字段
[INFO] [stdout] 17 |         contents: T,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/inaccessible.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn public_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_function` is never used
[INFO] [stdout]  --> src/module_file_hierarchy/my_mod/nested.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn private_function() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unused_function` is never used
[INFO] [stdout]   --> src/attribute_dead_code.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn unused_function() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generics_function` is never used
[INFO] [stdout]   --> src/generics.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn generics_function<T>(arg: T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> src/generics_trait.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     struct A {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Turkey` is never constructed
[INFO] [stdout]   --> src/generics_empty_bounds.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct Turkey;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/error_handling_unpacking_options_with_question_mark.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     struct PhoneNumber {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 44 |         area_code: Option<u8>,
[INFO] [stdout] 45 |         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: field `0` is never read
[INFO] [stdout]   --> src/error_handling_option_and_unwrap_combinator_map.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     struct Cooked(Food);
[INFO] [stdout]    |            ------ ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Cooked` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Double` is never used
[INFO] [stdout]   --> src/object_safe.rs:90:11
[INFO] [stdout]    |
[INFO] [stdout] 90 |     trait Double {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/object_safe.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     trait Double1 {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 116 |         fn new() -> Self where Self: Sized;
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `double` is never used
[INFO] [stdout]    --> src/object_safe.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 139 |     trait Double2 {
[INFO] [stdout]     |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 142 |         fn double(&mut self);
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/object_safe.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |     struct Foo2(i32);
[INFO] [stdout]     |            ---- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lifetimes/structs.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     struct Borrowed<'a>(&'a i32);
[INFO] [stdout]    |            --------     ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Borrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/lifetimes/structs.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     struct NameBorrowed<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 18 |         x: &'a i32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 19 |         y: &'a i32,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lifetimes/structs.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Num(i32),
[INFO] [stdout]    |         --- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Either` 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] 25 -         Num(i32),
[INFO] [stdout] 25 +         Num(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lifetimes/structs.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ref(&'a i32),
[INFO] [stdout]    |         --- ^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Either` 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] 26 -         Ref(&'a i32),
[INFO] [stdout] 26 +         Ref(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/lifetimes/traits.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     struct S<'a> {
[INFO] [stdout]    |            - field in this struct
[INFO] [stdout] 13 |         name: &'a str
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lifetimes/bounds.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 |     struct Ref<'a, T: 'a>(&'a T);
[INFO] [stdout]    |            ---            ^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Ref` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/traits/derive.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     struct Test3(i32);
[INFO] [stdout]    |            ----- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/traits/clone.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |     struct Pair<'a>(Box<f64>, &'a str);
[INFO] [stdout]    |            ----     ^^^^^^^^  ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Pair` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     struct Test1 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 15 |         x: f32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 16 |         y: f64,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `field1` and `field2` are never read
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     struct Test2 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 21 |         field1: Test1,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 22 |         field2: Test1,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     op!(add_michael,Add,+=,add);    // Add是一个trait，add是该trait中的方法名
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     op!(mul_michael,Mul,*=,mul);
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     op!(sub_michael,Sub,-=,sub);
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_michael` is never used
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ToString_and_FromStr` should have a snake case name
[INFO] [stdout]   --> src/conversion.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn test_ToString_and_FromStr() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_to_string_and_from_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/constants.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |             println!("{}", G1); // 1
[INFO] [stdout]    |                            ^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/constants.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |             println!("{}", G1); // 2
[INFO] [stdout]    |                            ^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/function_closures_examples_in_std.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 45 -         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stdout] 45 +         println!("{}", array2.iter().any(|&x| x == 2));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 45 -         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stdout] 45 +         println!("{}", IntoIterator::into_iter(array2).any(|&x| x == 2));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/function_closures_examples_in_std.rs:88:33
[INFO] [stdout]    |
[INFO] [stdout] 88 |         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 88 -         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stdout] 88 +         println!("{:?}", array2.iter().find(|&&x| x == 2));
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 88 -         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stdout] 88 +         println!("{:?}", IntoIterator::into_iter(array2).find(|&&x| x == 2));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/trait_object.rs:82:39
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let duck_fly_func = Duck::fly as usize;
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let duck_fly_func = Duck::fly as *const () as usize;
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/trait_object.rs:83:39
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let swan_fly_func = Swan::fly as usize;
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let swan_fly_func = Swan::fly as *const () as usize;
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::str::from_utf8` with an invalid literal always return an error
[INFO] [stdout]    --> src/std_library_types/string_literals_and_escapes.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let byte_string_not_uft8 = b"\x82\xe6\x82\xa8\x82\xb1\x82";
[INFO] [stdout]     |                                    ------------------------------- the literal was valid UTF-8 up to the 0 bytes
[INFO] [stdout] ...
[INFO] [stdout] 118 |         match std::str::from_utf8(byte_string_not_uft8) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_from_utf8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3a6077d43eb67d4721431ff4eb05c79657d5c015ed48e04f96cce08f865575bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6077d43eb67d4721431ff4eb05c79657d5c015ed48e04f96cce08f865575bc", kill_on_drop: false }`
[INFO] [stdout] 3a6077d43eb67d4721431ff4eb05c79657d5c015ed48e04f96cce08f865575bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3617e56dc6bcfee994899945441648eafabf07341eb21356714fe2b4c16225fa
[INFO] running `Command { std: "docker" "start" "-a" "3617e56dc6bcfee994899945441648eafabf07341eb21356714fe2b4c16225fa", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/labels.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             'inner: loop {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:23:33
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     ($b.len(),));
[INFO] [stderr]    |                                 ^
[INFO] [stderr] ...
[INFO] [stderr] 35 |         assert_equal_len!(a,b,hi,+=)
[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 `assert_equal_len`
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `assert_equal_len` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stderr]    |         -------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnameable_test_items)]` on by default
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stderr]    |         --------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stderr]    |         -------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` which comes from the expansion of the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/file_io/open.rs:23:77
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Err(err) => panic!("file {} is opened failed: {}", display, err.description()),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/file_io/open.rs:30:75
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Err(err) => panic!("file {} is read failed: {}", display, err.description()),
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/file_io/create.rs:27:78
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(err) => panic!("file {} is created failed: {}", display, err.description()),
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `noisy_unused_variable`
[INFO] [stderr]   --> src/variable_bindings.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let noisy_unused_variable = 2u32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_noisy_unused_variable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `closure_annotated`
[INFO] [stderr]   --> src/function_closures.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let closure_annotated = |i: i32| -> i32 { i + 1 };
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closure_annotated`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reborrow`
[INFO] [stderr]   --> src/function_closures_capturing.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let reborrow = &mut count;
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reborrow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/function_diverging_functions.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let a = some_fn();
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]   --> src/generics.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn generics_function<T>(arg: T) {
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/object_safe.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut x = 1024;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/object_safe.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut x = 1024;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/object_safe.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo2`
[INFO] [stderr]    --> src/object_safe.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let x = S;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr] help: you might have meant to pattern match on the similarly named struct `S`
[INFO] [stderr]    |
[INFO] [stderr] 18 -         let x = S;
[INFO] [stderr] 18 +         let scoping_rules::raii::destructor::tests::S = S;
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let _x = S;
[INFO] [stderr]    |             +
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lifetimes/explicit_annotation.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let x = 1024;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test3`
[INFO] [stderr]   --> src/traits/derive.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let test3 = Test3(1024);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_test3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]   --> src/traits/operator_overloading.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |         fn add(self, rhs: Test1) -> Self::Output {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]   --> src/traits/operator_overloading.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |         fn add(self, rhs: Test2) -> Self::Output {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test2`
[INFO] [stderr]   --> src/traits/drop.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |             let test2 = Test { name: "test2" };
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_test2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test3`
[INFO] [stderr]   --> src/traits/drop.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 let test3 = Test { name: "test3" };
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_test3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `test4`
[INFO] [stderr]   --> src/traits/drop.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let test4 = Test { name: "test4" };
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_test4`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/std_library_types/hashset.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut set2: HashSet<i32> = vec![3, 4, 5, 6, 7, 8].into_iter().collect();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/conversion.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         struct Number {
[INFO] [stderr]    |                ------ field in this struct
[INFO] [stderr] 28 |             value: i32,
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Person` is never constructed
[INFO] [stderr]   --> src/tuples.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     struct Person<'a> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]  --> src/structures.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     struct Point {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 5 |         x: f32,
[INFO] [stderr]   |         ^
[INFO] [stderr] 6 |         y: f32,
[INFO] [stderr]   |         ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `field2` and `field3` are never read
[INFO] [stderr]  --> src/destructure_struct.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct S1 {
[INFO] [stderr]   |            -- fields in this struct
[INFO] [stderr] 7 |         field1: i32,
[INFO] [stderr] 8 |         field2: String,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 9 |         field3: (u32, f64),
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `S1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `foo` is never used
[INFO] [stderr]  --> src/function_diverging_functions.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn foo() -> ! {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `private_function` is never used
[INFO] [stderr]   --> src/module_visibility.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn private_function() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `function` is never used
[INFO] [stderr]   --> src/module_visibility.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         pub fn function() {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `contents` is never read
[INFO] [stderr]   --> src/module_struct_visibility.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub struct ClosedBox<T> {
[INFO] [stderr]    |                --------- field in this struct
[INFO] [stderr] 16 |         // 私有字段
[INFO] [stderr] 17 |         contents: T,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `public_function` is never used
[INFO] [stderr]  --> src/module_file_hierarchy/my_mod/inaccessible.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn public_function() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `private_function` is never used
[INFO] [stderr]  --> src/module_file_hierarchy/my_mod/nested.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn private_function() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `unused_function` is never used
[INFO] [stderr]   --> src/attribute_dead_code.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn unused_function() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generics_function` is never used
[INFO] [stderr]   --> src/generics.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn generics_function<T>(arg: T) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `A` is never constructed
[INFO] [stderr]   --> src/generics_trait.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     struct A {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Turkey` is never constructed
[INFO] [stderr]   --> src/generics_empty_bounds.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     struct Turkey;
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `number` is never read
[INFO] [stderr]   --> src/error_handling_unpacking_options_with_question_mark.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     struct PhoneNumber {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 44 |         area_code: Option<u8>,
[INFO] [stderr] 45 |         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 `0` is never read
[INFO] [stderr]   --> src/error_handling_option_and_unwrap_combinator_map.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     struct Cooked(Food);
[INFO] [stderr]    |            ------ ^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Cooked` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Double` is never used
[INFO] [stderr]   --> src/object_safe.rs:90:11
[INFO] [stderr]    |
[INFO] [stderr] 90 |     trait Double {
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/object_safe.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |     trait Double1 {
[INFO] [stderr]     |           ------- associated function in this trait
[INFO] [stderr] 116 |         fn new() -> Self where Self: Sized;
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `double` is never used
[INFO] [stderr]    --> src/object_safe.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 139 |     trait Double2 {
[INFO] [stderr]     |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 142 |         fn double(&mut self);
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/object_safe.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |     struct Foo2(i32);
[INFO] [stderr]     |            ---- ^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lifetimes/structs.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 |     struct Borrowed<'a>(&'a i32);
[INFO] [stderr]    |            --------     ^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Borrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/lifetimes/structs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     struct NameBorrowed<'a> {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 18 |         x: &'a i32,
[INFO] [stderr]    |         ^
[INFO] [stderr] 19 |         y: &'a i32,
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lifetimes/structs.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Num(i32),
[INFO] [stderr]    |         --- ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Either` 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] 25 -         Num(i32),
[INFO] [stderr] 25 +         Num(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lifetimes/structs.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         Ref(&'a i32),
[INFO] [stderr]    |         --- ^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Either` 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] 26 -         Ref(&'a i32),
[INFO] [stderr] 26 +         Ref(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/lifetimes/traits.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     struct S<'a> {
[INFO] [stderr]    |            - field in this struct
[INFO] [stderr] 13 |         name: &'a str
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lifetimes/bounds.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 |     struct Ref<'a, T: 'a>(&'a T);
[INFO] [stderr]    |            ---            ^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Ref` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/traits/derive.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |     struct Test3(i32);
[INFO] [stderr]    |            ----- ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/traits/clone.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     struct Pair<'a>(Box<f64>, &'a str);
[INFO] [stderr]    |            ----     ^^^^^^^^  ^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr]    = note: `Pair` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     struct Test1 {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 15 |         x: f32,
[INFO] [stderr]    |         ^
[INFO] [stderr] 16 |         y: f64,
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `field1` and `field2` are never read
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     struct Test2 {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 21 |         field1: Test1,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 22 |         field2: Test1,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     op!(add_michael,Add,+=,add);    // Add是一个trait，add是该trait中的方法名
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     op!(mul_michael,Mul,*=,mul);
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     op!(sub_michael,Sub,-=,sub);
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `op` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:85:23
[INFO] [stderr]    |
[INFO] [stderr] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:86:23
[INFO] [stderr]    |
[INFO] [stderr] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_michael` is never used
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:87:23
[INFO] [stderr]    |
[INFO] [stderr] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_ToString_and_FromStr` should have a snake case name
[INFO] [stderr]   --> src/conversion.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn test_ToString_and_FromStr() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_to_string_and_from_str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/constants.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 |             println!("{}", G1); // 1
[INFO] [stderr]    |                            ^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/constants.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 |             println!("{}", G1); // 2
[INFO] [stderr]    |                            ^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]   --> src/function_closures_examples_in_std.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 45 -         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stderr] 45 +         println!("{}", array2.iter().any(|&x| x == 2));
[INFO] [stderr]    |
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 45 -         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stderr] 45 +         println!("{}", IntoIterator::into_iter(array2).any(|&x| x == 2));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stderr]   --> src/function_closures_examples_in_std.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stderr]    |                                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 88 -         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stderr] 88 +         println!("{:?}", array2.iter().find(|&&x| x == 2));
[INFO] [stderr]    |
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 88 -         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stderr] 88 +         println!("{:?}", IntoIterator::into_iter(array2).find(|&&x| x == 2));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: direct cast of function item into an integer
[INFO] [stderr]   --> src/trait_object.rs:82:39
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let duck_fly_func = Duck::fly as usize;
[INFO] [stderr]    |                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stderr] help: first cast to a pointer `as *const ()`
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let duck_fly_func = Duck::fly as *const () as usize;
[INFO] [stderr]    |                                       ++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: direct cast of function item into an integer
[INFO] [stderr]   --> src/trait_object.rs:83:39
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let swan_fly_func = Swan::fly as usize;
[INFO] [stderr]    |                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: first cast to a pointer `as *const ()`
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let swan_fly_func = Swan::fly as *const () as usize;
[INFO] [stderr]    |                                       ++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::str::from_utf8` with an invalid literal always return an error
[INFO] [stderr]    --> src/std_library_types/string_literals_and_escapes.rs:118:15
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let byte_string_not_uft8 = b"\x82\xe6\x82\xa8\x82\xb1\x82";
[INFO] [stderr]     |                                    ------------------------------- the literal was valid UTF-8 up to the 0 bytes
[INFO] [stderr] ...
[INFO] [stderr] 118 |         match std::str::from_utf8(byte_string_not_uft8) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_from_utf8)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-exercise` (bin "rust-exercise" test) generated 70 warnings (run `cargo fix --bin "rust-exercise" -p rust-exercise --tests` to apply 22 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-0125f53b15e2c330)
[INFO] [stdout] 
[INFO] [stdout] running 164 tests
[INFO] [stdout] test array_and_slice::tests::test_array_and_slice ... ok
[INFO] [stdout] test attribute_cfg::tests::test_attribute_cfg ... ok
[INFO] [stdout] test constants::tests::test_constants ... ok
[INFO] [stdout] test conversion::tests::test_ToString_and_FromStr ... ok
[INFO] [stdout] test attribute_dead_code::tests::test_attribute_dead_code ... ok
[INFO] [stdout] test destructure_struct::tests::match_destructure_struct ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] test conversion::tests::test_conversion ... ok
[INFO] [stdout] test display_formatting::tests::test_display_formatting ... ok
[INFO] [stdout] test display_vec::tests::test_display_vec ... ok
[INFO] [stdout] test enums::tests::test_enums ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_1 ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_2 ... ok
[INFO] [stdout] test error_handling_multiple_error_types_other_uses_of_question_mark::tests::test_error_handling_multiple_error_types_other_uses_of_question_mark ... ok
[INFO] [stdout] test error_handling_multiple_error_types_wrapping_errors::tests::test_error_handling_multiple_error_types_wrapping_errors ... ok
[INFO] [stdout] test error_handling_option_and_unwrap_combinator_map::tests::test_error_handling_option_and_unwrap_combinator_map ... ok
[INFO] [stdout] test error_handling_multiple_error_types_boxing_errors::tests::test_error_handling_multiple_error_types_boxing_errors ... ok
[INFO] [stdout] test error_handling_option_and_unwrap_combinator_and_then::tests::test_error_handling_option_and_unwrap_combinator_and_then ... ok
[INFO] [stdout] test enums::tests::test_type_aliases ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_collect ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_filter_map ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_iter_map ... ok
[INFO] [stdout] test error_handling_multiple_error_types_pull_result_out_of_option::tests::test_error_handling_multiple_error_types_pull_result_out_of_option ... ok
[INFO] [stdout] test error_handling_multiple_error_types_pull_result_out_of_option::tests::test_error_handling_multiple_error_types_pull_result_out_of_option_v2 ... ok
[INFO] [stdout] test error_handling_multiple_error_types_define_an_error_type::tests::test_error_handling_multiple_error_types_define_an_error_type ... ok
[INFO] [stdout] test error_handling_result_early_returns::tests::test_error_handling_result_early_returns ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v1 ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v2 ... ok
[INFO] [stdout] test error_handling_result_question_mark::tests::test_error_handling_result_question_mark ... ok
[INFO] [stdout] test error_handling_unpacking_options_with_question_mark::tests::test_error_handling_unpacking_options_with_question_mark_readable ... ok
[INFO] [stdout] test file_io::read_lines::tests::test_read_lines ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_1 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_2 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_3 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_4 ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_any ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_find ... ok
[INFO] [stdout] test function_closures_input_functions::tests::test_function_closures_input_functions ... ok
[INFO] [stdout] test function_closures_type_anonymity::tests::test_function_closures_type_anonymity ... ok
[INFO] [stdout] test function_diverging_functions::tests::test_function_diverging_functions ... ok
[INFO] [stdout] test function_higher_order_functions::tests::test_function_higher_order_functions ... ok
[INFO] [stdout] test generics::tests::test_generics ... ok
[INFO] [stdout] test generics_associated_items_problem::tests::test_generics_associated_items_problem ... ok
[INFO] [stdout] test generics_associated_types::tests::test_generics_associated_types ... ok
[INFO] [stdout] test generics_bounds::tests::test_generics_bounds ... ok
[INFO] [stdout] test generics_empty_bounds::tests::test_generics_empty_bounds ... ok
[INFO] [stdout] test generics_function::tests::test_generics_function ... ok
[INFO] [stdout] test generics_implementation::tests::test_generics_implementation ... ok
[INFO] [stdout] test error_handling_unpacking_options_with_question_mark::tests::test_error_handling_unpacking_options_with_question_mark ... ok
[INFO] [stdout] test generics_multiple_bounds::tests::test_generics_multiple_bounds ... ok
[INFO] [stdout] test generics_new_type_idiom::tests::test_generics_new_type_idiom ... ok
[INFO] [stdout] test enum_linked_list::tests::test_enum_linked_list ... ok
[INFO] [stdout] test error_handling_result_aliases::tests::test_error_handling_result_aliases ... ok
[INFO] [stdout] test generics_trait::tests::test_generics_trait ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v2 ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v4 ... ok
[INFO] [stdout] test function_closures::tests::test_function_closures ... ok
[INFO] [stdout] test function_closures_as_output_parameters::tests::test_function_closures_as_output_parameters ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v3 ... ok
[INFO] [stdout] test labels::tests::test_labels ... ok
[INFO] [stdout] test lifetimes::bounds::tests::test_bounds ... ok
[INFO] [stdout] test for_and_iterator::tests::test_for_and_iterator ... ok
[INFO] [stdout] test lifetimes::explicit_annotation::tests::test_explicit_annotation ... ok
[INFO] [stdout] test lifetimes::coercion::tests::test_coercion ... ok
[INFO] [stdout] test function_closures_as_input_parameters::tests::test_function_closures_as_input_parameters ... ok
[INFO] [stdout] test function::tests::test_function ... ok
[INFO] [stdout] test lifetimes::methods::tests::test_methods ... ok
[INFO] [stdout] test lifetimes::structs::tests::test_structs ... ok
[INFO] [stdout] test lifetimes::r#static::tests::test_static ... ok
[INFO] [stdout] test lifetimes::traits::tests::test_traits ... ok
[INFO] [stdout] test macro_rules::domain_specific_languages::tests::test_domain_specific_languages ... ok
[INFO] [stdout] test macro_rules::dont_repeat_yourself::tests::test_dont_repeat_yourself ... ok
[INFO] [stdout] test lifetimes::elision::tests::test_elision ... ok
[INFO] [stdout] test generics_where_clauses::tests::test_generics_where_clauses ... ok
[INFO] [stdout] test macro_rules::syntax::designators::tests::test_designators ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v1 ... ok
[INFO] [stdout] test macro_rules::syntax::overload::tests::test_overload ... ok
[INFO] [stdout] test macro_rules::syntax::repeat::tests::test_repeat ... ok
[INFO] [stdout] test macro_rules::tests::test_macro_rules ... ok
[INFO] [stdout] test match_binding::tests::test_match_binding ... ok
[INFO] [stdout] test macro_rules::variadic_interfaces::tests::test_variadic_interfaces ... ok
[INFO] [stdout] test match_enum::tests::test_match_enum ... ok
[INFO] [stdout] test match_guard::tests::test_match_guard ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_2 ... ok
[INFO] [stdout] test match_pointer_and_reference::tests::test_match_pointer_and_reference ... ok
[INFO] [stdout] test lifetimes::tests::test_lifetimes ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_1 ... ok
[INFO] [stdout] test method::tests::match_method_1 ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_2 ... ok
[INFO] [stdout] test module_file_hierarchy::tests::test_module_file_hierarchy ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_3 ... ok
[INFO] [stdout] test method::tests::match_method_2 ... ok
[INFO] [stdout] test match_tuple::tests::test_match ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_1 ... ok
[INFO] [stdout] test module_struct_visibility::tests::test_module_struct_visibility ... ok
[INFO] [stdout] test module_super_and_self::tests::test_module_super_and_self ... ok
[INFO] [stdout] test module_use_declaration::tests::test_module_use_declaration ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v2 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v3 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v4 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v5 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v6 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v7 ... ok
[INFO] [stdout] test scoping_rules::borrowing::freezing::tests::test_freezing ... ok
[INFO] [stdout] test path::tests::test_path ... ok
[INFO] [stdout] test scoping_rules::borrowing::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::borrowing::tests::test_borrowing ... ok
[INFO] [stdout] test scoping_rules::borrowing::the_ref_pattern::tests::test_the_ref_pattern ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::tests::test_ownership_and_moves ... ok
[INFO] [stdout] test scoping_rules::raii::destructor::tests::test_destructor ... ok
[INFO] [stdout] test scoping_rules::raii::tests::test_raii ... ok
[INFO] [stdout] test module_visibility::tests::test_module_visibility ... ok
[INFO] [stdout] test scoping_rules::borrowing::aliasing::tests::test_aliasing ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v1 ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v2 ... ok
[INFO] [stdout] test std_library_types::alternate_or_custom_key_types::tests::test_alternate_or_custom_key_types ... ok
[INFO] [stdout] test std_library_types::box_stack_heap::tests::test_box_stack_heap ... ok
[INFO] [stdout] test std_library_types::hashmap::tests::test_hashmap ... ok
[INFO] [stdout] test std_library_types::rc::tests::test_rc ... ok
[INFO] [stdout] test std_library_types::result::tests::test_result ... ok
[INFO] [stdout] test std_library_types::result_with_question_mark::tests::test_result_with_question_mark ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_byte_string ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset_verification ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset ... ok
[INFO] [stdout] test std_library_types::option::tests::test_option ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_raw_string ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_string_literals_and_escapes ... ok
[INFO] [stdout] test structures::tests::test_structures ... ok
[INFO] [stdout] test std_library_types::strings::tests::test_strings ... ok
[INFO] [stdout] test trait_object::tests::test_trait_object ... ok
[INFO] [stdout] test traits::clone::tests::test_clone ... ok
[INFO] [stdout] test std_library_types::vector::tests::test_vector ... ok
[INFO] [stdout] test lifetimes::functions::tests::test_functions ... ok
[INFO] [stdout] test traits::drop::tests::test_drop ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_lifetime ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_function ... ok
[INFO] [stdout] test thread::tests::test_thread ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_impl_trait ... ok
[INFO] [stdout] test traits::iterators::tests::test_iterators ... ok
[INFO] [stdout] test traits::operator_overloading::tests::test_operator_overloading ... ok
[INFO] [stdout] test traits::returning_traits_with_dyn::tests::test_returning_traits_with_dyn ... ok
[INFO] [stdout] test thread::testcase_map_reduce::tests::test_testcase_map_reduce ... ok
[INFO] [stdout] test traits::super_traits::tests::test_super_traits ... ok
[INFO] [stdout] test traits::tests::test_traits ... ok
[INFO] [stdout] test tuples::tests::test_tuples ... ok
[INFO] [stdout] test types::tests::test_aliasing ... ok
[INFO] [stdout] test types::tests::test_casting ... ok
[INFO] [stdout] test variable_bindings::tests::test_variable_bindings ... ok
[INFO] [stdout] test types::tests::test_literals ... ok
[INFO] [stdout] test while_control::test::test_while ... ok
[INFO] [stdout] test tuples_activity::tests::test_tuples_activity ... ok
[INFO] [stdout] test error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types ... FAILED
[INFO] [stdout] test error_handling_result::tests::test_error_handling_result ... FAILED
[INFO] [stdout] test error_handling_panic::tests::test_error_handling_panic ... FAILED
[INFO] [stdout] test file_io::create::tests::test_create ... FAILED
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit ... FAILED
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit ... FAILED
[INFO] [stdout] test file_io::open::tests::test_open ... FAILED
[INFO] [stdout] test macro_rules::dont_repeat_yourself::tests::test_assert_equal_len ... FAILED
[INFO] [stdout] test std_library_types::panic::tests::test_panic ... FAILED
[INFO] [stdout] test traits::disambiguating_overlapping_traits::tests::test_disambiguating_overlapping_traits ... ok
[INFO] [stdout] test traits::derive::tests::test_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types stdout ----
[INFO] [stdout] 20
[INFO] [stdout] 
[INFO] [stdout] thread 'error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types' (38) panicked at src/error_handling_multiple_error_types.rs:17:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f28 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfaecb5d2 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56bdfae297e9 - core::result::Result<T,E>::unwrap::h39f24624b0de05ab
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56bdfae297e9 - rust_exercise::error_handling_multiple_error_types::tests::double_first::hbefb2a66f48f711e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:17:38
[INFO] [stdout]   22:     0x56bdfae29bc7 - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::h83992ba408fe3b64
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:27:24
[INFO] [stdout]   23:     0x56bdfae29d07 - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::{{closure}}::hcee12b994437ce99
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:21:50
[INFO] [stdout]   24:     0x56bdfae2f1e6 - core::ops::function::FnOnce::call_once::h171332e2b4d2654d
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   44:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   45:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   46:     0x74b0c333ba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_result::tests::test_error_handling_result stdout ----
[INFO] [stdout] 132
[INFO] [stdout] 
[INFO] [stdout] thread 'error_handling_result::tests::test_error_handling_result' (55) panicked at src/error_handling_result.rs:23:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f28 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfaecb5d2 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56bdfae29436 - core::result::Result<T,E>::unwrap::h39f24624b0de05ab
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56bdfae29436 - rust_exercise::error_handling_result::tests::multiply::h930778d2e2611a05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:23:54
[INFO] [stdout]   22:     0x56bdfae29308 - rust_exercise::error_handling_result::tests::test_error_handling_result::h4d7556e8aa7cab86
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:34:24
[INFO] [stdout]   23:     0x56bdfae29377 - rust_exercise::error_handling_result::tests::test_error_handling_result::{{closure}}::he5597f705238b4e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:29:36
[INFO] [stdout]   24:     0x56bdfae304d6 - core::ops::function::FnOnce::call_once::h8572194b0dc8c278
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   44:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   45:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   46:     0x74b0c333ba64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_panic::tests::test_error_handling_panic stdout ----
[INFO] [stdout] there is no panic!
[INFO] [stdout] 
[INFO] [stdout] thread 'error_handling_panic::tests::test_error_handling_panic' (54) panicked at src/error_handling_panic.rs:32:13:
[INFO] [stdout] here is a panic!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae9448c - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:762:9
[INFO] [stdout]   16:     0x56bdfae8c879 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae8a0e0 - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:761:5
[INFO] [stdout]   18:     0x56bdfae1d95e - rust_exercise::error_handling_panic::tests::occurs_panic::h55a074d621532801
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:32:13
[INFO] [stdout]   19:     0x56bdfae1d983 - rust_exercise::error_handling_panic::tests::test_error_handling_panic::h3131542a71f0f6b7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:40:9
[INFO] [stdout]   20:     0x56bdfae1d9a7 - rust_exercise::error_handling_panic::tests::test_error_handling_panic::{{closure}}::hcc2f2b53f0f9f45c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:38:35
[INFO] [stdout]   21:     0x56bdfae2edf6 - core::ops::function::FnOnce::call_once::h081f338f308f2e22
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::create::tests::test_create stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::create::tests::test_create' (63) panicked at src/file_io/create.rs:27:25:
[INFO] [stdout] file file_write.txt is created failed: description() is deprecated; use Display
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f28 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfae1ea22 - rust_exercise::file_io::create::tests::test_create::hf290673e211eff2f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:27:25
[INFO] [stdout]   20:     0x56bdfae1ea47 - rust_exercise::file_io::create::tests::test_create::{{closure}}::h569a288fa89269f0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:19:21
[INFO] [stdout]   21:     0x56bdfae30916 - core::ops::function::FnOnce::call_once::h97857e1fb07c9f44
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit stdout ----
[INFO] [stdout] michael.w
[INFO] [stdout] 
[INFO] [stdout] thread 'error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit' (51) panicked at src/error_handling_option_and_unwrap.rs:33:26:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f5a - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfaecb822 - core[10b6fa85044e1869]::panicking::panic
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x56bdfaecb579 - core[10b6fa85044e1869]::option::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/option.rs:2236:5
[INFO] [stdout]   21:     0x56bdfae10c01 - core::option::Option<T>::unwrap::h11564b84dbbc13db
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x56bdfae10c01 - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_implicit::hf71e828d5fe793f3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:33:26
[INFO] [stdout]   23:     0x56bdfae10d1b - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::h2444f266de2d175a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:55:9
[INFO] [stdout]   24:     0x56bdfae10d47 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::{{closure}}::h8f3cf26cc1b715ff
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:52:56
[INFO] [stdout]   25:     0x56bdfae2f886 - core::ops::function::FnOnce::call_once::h3e7ba17ec46917ed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   45:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   46:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   47:     0x74b0c333ba64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit stdout ----
[INFO] [stdout] michael.w
[INFO] [stdout] there is nothing!
[INFO] [stdout] 
[INFO] [stdout] thread 'error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit' (50) panicked at src/error_handling_option_and_unwrap.rs:23:30:
[INFO] [stdout] here is a panic!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae9448c - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:762:9
[INFO] [stdout]   16:     0x56bdfae8c879 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae8a0e0 - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:761:5
[INFO] [stdout]   18:     0x56bdfae10bb6 - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_explicit::h92a658b7243058ca
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:23:30
[INFO] [stdout]   19:     0x56bdfae10ccc - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::hc2edda5cf8573c88
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:48:9
[INFO] [stdout]   20:     0x56bdfae10ce7 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::{{closure}}::h72accfd7fe8d141f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:44:56
[INFO] [stdout]   21:     0x56bdfae31966 - core::ops::function::FnOnce::call_once::hea20717d7fa745c7
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::open::tests::test_open stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::open::tests::test_open' (64) panicked at src/file_io/open.rs:23:25:
[INFO] [stdout] file /Users/oker/CLionProjects/rust-exercise/src/file_io/rust.txt is opened failed: description() is deprecated; use Display
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f28 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfae35dbe - rust_exercise::file_io::open::tests::test_open::hbdffb0b5b99d5d05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:23:25
[INFO] [stdout]   20:     0x56bdfae35de7 - rust_exercise::file_io::open::tests::test_open::{{closure}}::hbbed7e005841b4e6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:15:19
[INFO] [stdout]   21:     0x56bdfae2fe26 - core::ops::function::FnOnce::call_once::h690fc9b469d67fff
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- macro_rules::dont_repeat_yourself::tests::test_assert_equal_len stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'macro_rules::dont_repeat_yourself::tests::test_assert_equal_len' (108) panicked at src/macro_rules/dont_repeat_yourself.rs:35:9:
[INFO] [stdout] "hi": dimension mismatch: (3,) "+=" (4,)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae94f28 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56bdfae8c899 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae95c3d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56bdfaecb85c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56bdfae17f7d - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::h2d101ccf7e81da81
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:18:13
[INFO] [stdout]   20:     0x56bdfae17fa7 - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::{{closure}}::h9203b80449091609
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:27:31
[INFO] [stdout]   21:     0x56bdfae2ffe6 - core::ops::function::FnOnce::call_once::h6d88dcde1e5e3710
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- std_library_types::panic::tests::test_panic stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'std_library_types::panic::tests::test_panic' (157) panicked at src/std_library_types/panic.rs:13:13:
[INFO] [stdout] divisor is Zero!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56bdfaeb5dea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56bdfaeb5dea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56bdfaecafaa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56bdfaecafaa - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x56bdfaeba782 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56bdfaeba782 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56bdfae94e6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56bdfae94e6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56bdfaeae359 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56bdfae4b1cc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x56bdfae4b1cc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56bdfaeae512 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x56bdfaeae512 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56bdfae9448c - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:762:9
[INFO] [stdout]   16:     0x56bdfae8c879 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56bdfae8a0e0 - std[b80a194dd3c418bb]::panicking::begin_panic::<&str>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:761:5
[INFO] [stdout]   18:     0x56bdfae107b7 - rust_exercise::std_library_types::panic::tests::div::ha88750658a776aff
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:13:13
[INFO] [stdout]   19:     0x56bdfae106cf - rust_exercise::std_library_types::panic::tests::test_panic::h1ceb8d049ca30037
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:38:9
[INFO] [stdout]   20:     0x56bdfae10747 - rust_exercise::std_library_types::panic::tests::test_panic::{{closure}}::h9606bc346df9e7e1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:32:20
[INFO] [stdout]   21:     0x56bdfae2f986 - core::ops::function::FnOnce::call_once::h473f449cd21057bc
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56bdfae3f2ab - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56bdfae3f2ab - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x56bdfae4bc9b - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56bdfae4bc9b - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x56bdfae4bc9b - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x56bdfae473b4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x56bdfae473b4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   34:     0x56bdfae4e8a2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56bdfae4e8a2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   39:     0x56bdfae4e8a2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56bdfaeb56ff - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   41:     0x56bdfaeb56ff - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x74b0c32aeaa4 - <unknown>
[INFO] [stdout]   43:     0x74b0c333ba64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] the object of struct S is dropping!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types
[INFO] [stdout]     error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit
[INFO] [stdout]     error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit
[INFO] [stdout]     error_handling_panic::tests::test_error_handling_panic
[INFO] [stdout]     error_handling_result::tests::test_error_handling_result
[INFO] [stdout]     file_io::create::tests::test_create
[INFO] [stdout]     file_io::open::tests::test_open
[INFO] [stdout]     macro_rules::dont_repeat_yourself::tests::test_assert_equal_len
[INFO] [stdout]     std_library_types::panic::tests::test_panic
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 155 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-exercise`
[INFO] running `Command { std: "docker" "inspect" "3617e56dc6bcfee994899945441648eafabf07341eb21356714fe2b4c16225fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3617e56dc6bcfee994899945441648eafabf07341eb21356714fe2b4c16225fa", kill_on_drop: false }`
[INFO] [stdout] 3617e56dc6bcfee994899945441648eafabf07341eb21356714fe2b4c16225fa
