[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 master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RevelationOfTuring/Rust-exercise on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fda97dd2f7ce630963cdbc23b9ed00fa5bbeebbdec8e3159b26a21c4d5ca57f
[INFO] running `Command { std: "docker" "start" "-a" "0fda97dd2f7ce630963cdbc23b9ed00fa5bbeebbdec8e3159b26a21c4d5ca57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fda97dd2f7ce630963cdbc23b9ed00fa5bbeebbdec8e3159b26a21c4d5ca57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fda97dd2f7ce630963cdbc23b9ed00fa5bbeebbdec8e3159b26a21c4d5ca57f", kill_on_drop: false }`
[INFO] [stdout] 0fda97dd2f7ce630963cdbc23b9ed00fa5bbeebbdec8e3159b26a21c4d5ca57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ef3da43ebd62d0a95659b4a88c726529909ec93faf40189f693d7593e8633d3
[INFO] running `Command { std: "docker" "start" "-a" "8ef3da43ebd62d0a95659b4a88c726529909ec93faf40189f693d7593e8633d3", 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)]` 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)]` 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)]` 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "8ef3da43ebd62d0a95659b4a88c726529909ec93faf40189f693d7593e8633d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef3da43ebd62d0a95659b4a88c726529909ec93faf40189f693d7593e8633d3", kill_on_drop: false }`
[INFO] [stdout] 8ef3da43ebd62d0a95659b4a88c726529909ec93faf40189f693d7593e8633d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72c144ffdd3358a1df863ea17b46041188c78473a1b062a08f02ee0811b3bb0
[INFO] running `Command { std: "docker" "start" "-a" "b72c144ffdd3358a1df863ea17b46041188c78473a1b062a08f02ee0811b3bb0", 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)]` 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)]` 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)]` 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: unused variable: `x`
[INFO] [stdout]    --> src/object_safe.rs:103:17
[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: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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo2`
[INFO] [stdout]    --> src/object_safe.rs:157:17
[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: 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: `x`
[INFO] [stdout]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let x = S;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[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)]` 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)]` 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: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` 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: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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] 
[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/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` 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/nightly/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: 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 4.58s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "b72c144ffdd3358a1df863ea17b46041188c78473a1b062a08f02ee0811b3bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72c144ffdd3358a1df863ea17b46041188c78473a1b062a08f02ee0811b3bb0", kill_on_drop: false }`
[INFO] [stdout] b72c144ffdd3358a1df863ea17b46041188c78473a1b062a08f02ee0811b3bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 801bceb7e17ad2b38aa45e221b2989eadaaec9a603cb51f378cbbd16a4d17203
[INFO] running `Command { std: "docker" "start" "-a" "801bceb7e17ad2b38aa45e221b2989eadaaec9a603cb51f378cbbd16a4d17203", 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)]` 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)]` 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)]` 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: unused variable: `x`
[INFO] [stderr]    --> src/object_safe.rs:103:17
[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: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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo2`
[INFO] [stderr]    --> src/object_safe.rs:157:17
[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: 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: `x`
[INFO] [stderr]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let x = S;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[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)]` 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)]` 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: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` 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: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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] 
[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/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` 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/nightly/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: 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 68 warnings (run `cargo fix --bin "rust-exercise" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[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 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise-b683deb6bb61c0ae)
[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 attribute_dead_code::tests::test_attribute_dead_code ... ok
[INFO] [stdout] test constants::tests::test_constants ... ok
[INFO] [stdout] test conversion::tests::test_ToString_and_FromStr ... ok
[INFO] [stdout] test conversion::tests::test_conversion ... ok
[INFO] [stdout] test destructure_struct::tests::match_destructure_struct ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] test display_formatting::tests::test_display_formatting ... ok
[INFO] [stdout] test enum_linked_list::tests::test_enum_linked_list ... ok
[INFO] [stdout] test enums::tests::test_enums ... ok
[INFO] [stdout] test display_vec::tests::test_display_vec ... ok
[INFO] [stdout] test enums::tests::test_type_aliases ... 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_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_define_an_error_type::tests::test_error_handling_multiple_error_types_define_an_error_type ... 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_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_iter_map ... 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_result_early_returns::tests::test_error_handling_result_early_returns ... 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_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_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_2 ... ok
[INFO] [stdout] test error_handling_result_aliases::tests::test_error_handling_result_aliases ... 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 error_handling_panic::tests::test_error_handling_panic ... FAILED
[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_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_1 ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v1 ... ok
[INFO] [stdout] test error_handling_unpacking_options_with_question_mark::tests::test_error_handling_unpacking_options_with_question_mark ... 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 for_and_iterator::tests::test_for_and_iterator ... ok
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit ... FAILED
[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_result_map::tests::test_error_handling_result_map_v2 ... ok
[INFO] [stdout] test function::tests::test_function ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_1 ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_find ... 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_as_output_parameters::tests::test_function_closures_as_output_parameters ... ok
[INFO] [stdout] test file_io::read_lines::tests::test_read_lines ... ok
[INFO] [stdout] test function_closures::tests::test_function_closures ... ok
[INFO] [stdout] test function_closures_as_input_parameters::tests::test_function_closures_as_input_parameters ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_4 ... ok
[INFO] [stdout] test file_io::open::tests::test_open ... FAILED
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit ... FAILED
[INFO] [stdout] test error_handling_multiple_error_types_wrapping_errors::tests::test_error_handling_multiple_error_types_wrapping_errors ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_any ... ok
[INFO] [stdout] test file_io::create::tests::test_create ... FAILED
[INFO] [stdout] test function_closures_input_functions::tests::test_function_closures_input_functions ... 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_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_function::tests::test_generics_function ... ok
[INFO] [stdout] test generics_implementation::tests::test_generics_implementation ... ok
[INFO] [stdout] test generics_empty_bounds::tests::test_generics_empty_bounds ... ok
[INFO] [stdout] test generics_multiple_bounds::tests::test_generics_multiple_bounds ... ok
[INFO] [stdout] test generics_bounds::tests::test_generics_bounds ... ok
[INFO] [stdout] test generics_where_clauses::tests::test_generics_where_clauses ... 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_v1 ... ok
[INFO] [stdout] test lifetimes::bounds::tests::test_bounds ... ok
[INFO] [stdout] test lifetimes::coercion::tests::test_coercion ... ok
[INFO] [stdout] test lifetimes::explicit_annotation::tests::test_explicit_annotation ... ok
[INFO] [stdout] test lifetimes::functions::tests::test_functions ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v3 ... ok
[INFO] [stdout] test lifetimes::elision::tests::test_elision ... ok
[INFO] [stdout] test lifetimes::r#static::tests::test_static ... ok
[INFO] [stdout] test lifetimes::structs::tests::test_structs ... ok
[INFO] [stdout] test lifetimes::tests::test_lifetimes ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v4 ... ok
[INFO] [stdout] test macro_rules::domain_specific_languages::tests::test_domain_specific_languages ... ok
[INFO] [stdout] test lifetimes::traits::tests::test_traits ... ok
[INFO] [stdout] test macro_rules::dont_repeat_yourself::tests::test_dont_repeat_yourself ... ok
[INFO] [stdout] test function_closures_type_anonymity::tests::test_function_closures_type_anonymity ... ok
[INFO] [stdout] test labels::tests::test_labels ... ok
[INFO] [stdout] test generics::tests::test_generics ... 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::dont_repeat_yourself::tests::test_assert_equal_len ... FAILED
[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_if_let::tests::test_match_if_let_2 ... ok
[INFO] [stdout] test match_guard::tests::test_match_guard ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_3 ... ok
[INFO] [stdout] test match_tuple::tests::test_match ... ok
[INFO] [stdout] test macro_rules::syntax::designators::tests::test_designators ... ok
[INFO] [stdout] test match_pointer_and_reference::tests::test_match_pointer_and_reference ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_2 ... ok
[INFO] [stdout] test module_struct_visibility::tests::test_module_struct_visibility ... ok
[INFO] [stdout] test method::tests::match_method_2 ... ok
[INFO] [stdout] test module_super_and_self::tests::test_module_super_and_self ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_1 ... ok
[INFO] [stdout] test macro_rules::tests::test_macro_rules ... ok
[INFO] [stdout] test module_visibility::tests::test_module_visibility ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v2 ... ok
[INFO] [stdout] test module_file_hierarchy::tests::test_module_file_hierarchy ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v3 ... ok
[INFO] [stdout] test module_use_declaration::tests::test_module_use_declaration ... ok
[INFO] [stdout] test method::tests::match_method_1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v4 ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_1 ... ok
[INFO] [stdout] test match_binding::tests::test_match_binding ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v6 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v5 ... 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 scoping_rules::borrowing::aliasing::tests::test_aliasing ... ok
[INFO] [stdout] test scoping_rules::borrowing::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::borrowing::tests::test_borrowing ... ok
[INFO] [stdout] test scoping_rules::raii::destructor::tests::test_destructor ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v2 ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::tests::test_ownership_and_moves ... ok
[INFO] [stdout] test path::tests::test_path ... 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::hashset::tests::test_hashset ... ok
[INFO] [stdout] test scoping_rules::raii::tests::test_raii ... ok
[INFO] [stdout] test scoping_rules::borrowing::the_ref_pattern::tests::test_the_ref_pattern ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v1 ... ok
[INFO] [stdout] test std_library_types::result::tests::test_result ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset_verification ... ok
[INFO] [stdout] test std_library_types::option::tests::test_option ... ok
[INFO] [stdout] test std_library_types::rc::tests::test_rc ... ok
[INFO] [stdout] test std_library_types::panic::tests::test_panic ... FAILED
[INFO] [stdout] test std_library_types::box_stack_heap::tests::test_box_stack_heap ... ok
[INFO] [stdout] test lifetimes::methods::tests::test_methods ... ok
[INFO] [stdout] test std_library_types::hashmap::tests::test_hashmap ... 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 std_library_types::strings::tests::test_strings ... ok
[INFO] [stdout] test generics_new_type_idiom::tests::test_generics_new_type_idiom ... 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 traits::derive::tests::test_derive ... ok
[INFO] [stdout] test traits::disambiguating_overlapping_traits::tests::test_disambiguating_overlapping_traits ... ok
[INFO] [stdout] test traits::drop::tests::test_drop ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_function ... ok
[INFO] [stdout] test std_library_types::vector::tests::test_vector ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_impl_trait ... ok
[INFO] [stdout] test structures::tests::test_structures ... ok
[INFO] [stdout] test trait_object::tests::test_trait_object ... ok
[INFO] [stdout] test traits::iterators::tests::test_iterators ... ok
[INFO] [stdout] test traits::clone::tests::test_clone ... ok
[INFO] [stdout] test traits::tests::test_traits ... ok
[INFO] [stdout] test traits::super_traits::tests::test_super_traits ... ok
[INFO] [stdout] test tuples::tests::test_tuples ... ok
[INFO] [stdout] test traits::operator_overloading::tests::test_operator_overloading ... ok
[INFO] [stdout] test types::tests::test_casting ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_lifetime ... ok
[INFO] [stdout] test tuples_activity::tests::test_tuples_activity ... ok
[INFO] [stdout] test types::tests::test_literals ... ok
[INFO] [stdout] test variable_bindings::tests::test_variable_bindings ... ok
[INFO] [stdout] test while_control::test::test_while ... ok
[INFO] [stdout] test types::tests::test_aliasing ... ok
[INFO] [stdout] test thread::testcase_map_reduce::tests::test_testcase_map_reduce ... ok
[INFO] [stdout] test thread::tests::test_thread ... ok
[INFO] [stdout] test traits::returning_traits_with_dyn::tests::test_returning_traits_with_dyn ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[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' panicked at src/error_handling_panic.rs:32:13:
[INFO] [stdout] here is a panic!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c266a8c - std::panicking::begin_panic::{{closure}}::h0f8706344c9ec311
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:770:9
[INFO] [stdout]   16:     0x628f5c265119 - std::sys::backtrace::__rust_end_short_backtrace::h475b472ad5266ef1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2669a2 - std::panicking::begin_panic::h1915e13924f93329
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:769:5
[INFO] [stdout]   18:     0x628f5c1e8c9e - rust_exercise::error_handling_panic::tests::occurs_panic::hf78b407060cb486c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:32:13
[INFO] [stdout]   19:     0x628f5c1e8c9e - rust_exercise::error_handling_panic::tests::test_error_handling_panic::he39743de034f6ca7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:40:9
[INFO] [stdout]   20:     0x628f5c1e8c9e - rust_exercise::error_handling_panic::tests::test_error_handling_panic::{{closure}}::hfd900ce535d1005c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:38:35
[INFO] [stdout]   21:     0x628f5c1e8c9e - core::ops::function::FnOnce::call_once::h7a80eca2def641ea
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[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' 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:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c26694a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c288d36 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x628f5c1dbf8a - core::result::Result<T,E>::unwrap::h181f4e93a9cb808f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x628f5c1dbf8a - rust_exercise::error_handling_multiple_error_types::tests::double_first::h588adff86b6c76d9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:17:38
[INFO] [stdout]   22:     0x628f5c1dcee9 - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::h300d8a7a492df98b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:27:24
[INFO] [stdout]   23:     0x628f5c1e9679 - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::{{closure}}::hf8c209ec2a57975f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:21:50
[INFO] [stdout]   24:     0x628f5c1e9679 - core::ops::function::FnOnce::call_once::h9772b8b3051b58b5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   47:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   48:                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' 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:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c26694a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c288d36 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x628f5c1f21f8 - core::result::Result<T,E>::unwrap::h181f4e93a9cb808f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x628f5c1f21f8 - rust_exercise::error_handling_result::tests::multiply::hfcb29a9691bac329
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:23:54
[INFO] [stdout]   22:     0x628f5c1f21f8 - rust_exercise::error_handling_result::tests::test_error_handling_result::ha30e324dfbee7673
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:34:24
[INFO] [stdout]   23:     0x628f5c1ea9b6 - rust_exercise::error_handling_result::tests::test_error_handling_result::{{closure}}::hdb8c61310081bec8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:29:36
[INFO] [stdout]   24:     0x628f5c1ea9b6 - core::ops::function::FnOnce::call_once::hf91c61d3c46572ce
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   27:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   28:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   33:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   34:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   35:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   37:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   39:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   40:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   46:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   47:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   48:                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' 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:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c266916 - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c2889fc - core::panicking::panic::h318cb8731d7e290d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x628f5c288909 - core::option::unwrap_failed::hb0c40146d06ba338
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/option.rs:2072:5
[INFO] [stdout]   21:     0x628f5c1eedb8 - core::option::Option<T>::unwrap::he4b2cabab42f95ca
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/option.rs:1005:21
[INFO] [stdout]   22:     0x628f5c1eedb8 - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_implicit::h4fb30f7a8cccbc39
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:33:26
[INFO] [stdout]   23:     0x628f5c1eedb8 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::h4202e0ed942a69a5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:55:9
[INFO] [stdout]   24:     0x628f5c1e8e26 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::{{closure}}::h1ac62efe783baf8a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:52:56
[INFO] [stdout]   25:     0x628f5c1e8e26 - core::ops::function::FnOnce::call_once::h7c362b9bc5c4acc0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   28:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   29:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   31:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   32:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   34:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   35:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   36:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   40:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   41:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   46:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   47:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   48:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   49:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::open::tests::test_open stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::open::tests::test_open' 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: entity not found
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c26694a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c1e4892 - rust_exercise::file_io::open::tests::test_open::h99de15be79066204
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:23:25
[INFO] [stdout]   20:     0x628f5c1e81c9 - rust_exercise::file_io::open::tests::test_open::{{closure}}::hc9255332c3e6642c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:15:19
[INFO] [stdout]   21:     0x628f5c1e81c9 - core::ops::function::FnOnce::call_once::h6054fb1bb6731e8b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                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' panicked at src/error_handling_option_and_unwrap.rs:23:30:
[INFO] [stdout] here is a panic!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c266a8c - std::panicking::begin_panic::{{closure}}::h0f8706344c9ec311
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:770:9
[INFO] [stdout]   16:     0x628f5c265119 - std::sys::backtrace::__rust_end_short_backtrace::h475b472ad5266ef1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2669a2 - std::panicking::begin_panic::h1915e13924f93329
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:769:5
[INFO] [stdout]   18:     0x628f5c1e990f - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_explicit::h67d40afd6c664841
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:23:30
[INFO] [stdout]   19:     0x628f5c1e990f - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::hf83cfad460b4e642
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:48:9
[INFO] [stdout]   20:     0x628f5c1e990f - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::{{closure}}::hf2164c4e296f3632
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:44:56
[INFO] [stdout]   21:     0x628f5c1e990f - core::ops::function::FnOnce::call_once::ha7fb104f4e134c52
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::create::tests::test_create stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file_io::create::tests::test_create' panicked at src/file_io/create.rs:27:25:
[INFO] [stdout] file file_write.txt is created failed: read-only filesystem or storage medium
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c26694a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c1e4cc4 - rust_exercise::file_io::create::tests::test_create::h5f7580c50fff75ca
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:27:25
[INFO] [stdout]   20:     0x628f5c1ea539 - rust_exercise::file_io::create::tests::test_create::{{closure}}::hd9418bb8fff116e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:19:21
[INFO] [stdout]   21:     0x628f5c1ea539 - core::ops::function::FnOnce::call_once::hd530ac3e7a25eb0b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-exercise`
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                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' 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:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c26694a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x628f5c265129 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2665dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x628f5c288990 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x628f5c1eee6a - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::h1b46bd5cde7112e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:18:13
[INFO] [stdout]   20:     0x628f5c1e8206 - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::{{closure}}::h14a43a8da008d47e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:27:31
[INFO] [stdout]   21:     0x628f5c1e8206 - core::ops::function::FnOnce::call_once::h61715ffd91dfc44b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                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' panicked at src/std_library_types/panic.rs:13:13:
[INFO] [stdout] divisor is Zero!
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628f5c264c22 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x628f5c264c22 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x628f5c264c22 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x628f5c264c22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x628f5c28ac83 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x628f5c28ac83 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x628f5c261c43 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x628f5c261c43 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x628f5c264a72 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x628f5c26619c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x628f5c265ff2 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x628f5c22de54 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x628f5c22de54 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x628f5c266c7b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x628f5c266c7b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x628f5c266a8c - std::panicking::begin_panic::{{closure}}::h0f8706344c9ec311
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:770:9
[INFO] [stdout]   16:     0x628f5c265119 - std::sys::backtrace::__rust_end_short_backtrace::h475b472ad5266ef1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x628f5c2669a2 - std::panicking::begin_panic::h1915e13924f93329
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:769:5
[INFO] [stdout]   18:     0x628f5c1f4814 - rust_exercise::std_library_types::panic::tests::div::hf7b722fde0345678
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:13:13
[INFO] [stdout]   19:     0x628f5c1f4814 - rust_exercise::std_library_types::panic::tests::test_panic::hea657dde7fac5ad5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:38:9
[INFO] [stdout]   20:     0x628f5c1e8b46 - rust_exercise::std_library_types::panic::tests::test_panic::{{closure}}::hb0f4df7ecb4e8fc2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:32:20
[INFO] [stdout]   21:     0x628f5c1e8b46 - core::ops::function::FnOnce::call_once::h78ad4dea4ba4ea40
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x628f5c2335db - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x628f5c2335db - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   24:     0x628f5c2327ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   25:     0x628f5c2327ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x628f5c2327ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   27:     0x628f5c2327ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   28:     0x628f5c2327ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x628f5c2327ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   30:     0x628f5c2327ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   31:     0x628f5c1f6344 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   32:     0x628f5c1f6344 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   33:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   34:     0x628f5c1f9d1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x628f5c1f9d1a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   36:     0x628f5c1f9d1a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   37:     0x628f5c1f9d1a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x628f5c1f9d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   39:     0x628f5c1f9d1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   41:     0x628f5c269bd7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x628f5c269bd7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   43:     0x7ab0f252baa4 - <unknown>
[INFO] [stdout]   44:     0x7ab0f25b8a34 - clone
[INFO] [stdout]   45:                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 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "801bceb7e17ad2b38aa45e221b2989eadaaec9a603cb51f378cbbd16a4d17203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801bceb7e17ad2b38aa45e221b2989eadaaec9a603cb51f378cbbd16a4d17203", kill_on_drop: false }`
[INFO] [stdout] 801bceb7e17ad2b38aa45e221b2989eadaaec9a603cb51f378cbbd16a4d17203
