[INFO] cloning repository https://github.com/RevelationOfTuring/Rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RevelationOfTuring/Rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85833a6e8ad2ed3365b46f1059682316bdcdc8ef
[INFO] testing RevelationOfTuring/Rust-exercise against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RevelationOfTuring/Rust-exercise on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RevelationOfTuring/Rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afa97c5ed81059eeb00875f32a9cff69cb0a8cb194dcd8f3bb3a5cd78011c6ac
[INFO] running `Command { std: "docker" "start" "-a" "afa97c5ed81059eeb00875f32a9cff69cb0a8cb194dcd8f3bb3a5cd78011c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa97c5ed81059eeb00875f32a9cff69cb0a8cb194dcd8f3bb3a5cd78011c6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa97c5ed81059eeb00875f32a9cff69cb0a8cb194dcd8f3bb3a5cd78011c6ac", kill_on_drop: false }`
[INFO] [stdout] afa97c5ed81059eeb00875f32a9cff69cb0a8cb194dcd8f3bb3a5cd78011c6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e42b5177916778fe73b30527b6e58243eb630e1e3f1024aa67325e2f49be2466
[INFO] running `Command { std: "docker" "start" "-a" "e42b5177916778fe73b30527b6e58243eb630e1e3f1024aa67325e2f49be2466", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macro_rules/domain_specific_languages.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! calculate {
[INFO] [stdout] 12 | |     (michael $e:expr) => {
[INFO] [stdout] 13 | |         {
[INFO] [stdout] 14 | |             {
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     };
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/macro_rules/variadic_interfaces.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / macro_rules! calculate {
[INFO] [stdout] 10 | |     // 如果是单个参数
[INFO] [stdout] 11 | |     (michael $e:expr) => {
[INFO] [stdout] 12 | |         {
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout] 26 | | }
[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 is never used: `private_function`
[INFO] [stdout]   --> src/module_visibility.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn private_function() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[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 is never used: `indirect_access`
[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 is never used: `function`
[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 is never used: `private_function`
[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 is never used: `public_function_in_my_mod`
[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 is never used: `public_function_in_my_mod_inner`
[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 is never used: `public_function_in_super_mod`
[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 is never used: `call_public_function_in_my_mod`
[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 is never used: `public_function_in_crate`
[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 is never used: `function`
[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: function is never used: `function`
[INFO] [stdout]   --> src/module_visibility.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn function() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OpenBox`
[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 is never constructed: `ClosedBox`
[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 is never used: `new`
[INFO] [stdout]   --> src/module_struct_visibility.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn new(contents: T) -> ClosedBox<T> {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[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 is never used: `function`
[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 is never used: `function`
[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 is never used: `function`
[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 is never used: `indirect_call`
[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 is never used: `public_function`
[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 is never used: `function`
[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 is never used: `private_function`
[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 is never used: `function`
[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 is never used: `private_function`
[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 is never used: `indirect_access`
[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 is never used: `function`
[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 is never used: `are_you_on_linux`
[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 is never used: `generics_function`
[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 is never used: `multiply_v1`
[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 is never used: `print_result`
[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 is never used: `multiply_v2`
[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 is never used: `Result`
[INFO] [stdout]   --> src/error_handling_multiple_error_types_boxing_errors.rs:15:5
[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: function is never used: `double_first`
[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 is never used: `print_result`
[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: function is never used: `create_box`
[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: field is never read: `author`
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         author: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         title: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `year`
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         year: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `borrow_book`
[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 is never used: `new_edition`
[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 is never used: `NUM`
[INFO] [stdout]   --> src/lifetimes/static.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | static NUM: i32 = 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MichaelDivisionByZero`
[INFO] [stdout]   --> src/std_library_types/result.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         MichaelDivisionByZero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MichaelNegativeSquareRoot`
[INFO] [stdout]   --> src/std_library_types/result.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         MichaelNegativeSquareRoot,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MichaelNegativeLogarithm`
[INFO] [stdout]   --> src/std_library_types/result.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         MichaelNegativeLogarithm,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `MichaelResult`
[INFO] [stdout]   --> src/std_library_types/result.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub type MichaelResult = Result<f64, MichaelMathError>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divide`
[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 is never used: `sqrt`
[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 is never used: `ln`
[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: variant is never constructed: `MichaelDivisionByZero`
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         MichaelDivisionByZero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MichaelNegativeSquareRoot`
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         MichaelNegativeSquareRoot,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MichaelNegativeLogarithm`
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         MichaelNegativeLogarithm,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `MichaelResult`
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type MichaelResult = Result<f64, MichaelMathError>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[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 is never used: `ln`
[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 is never used: `sqrt`
[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 is never used: `op`
[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 is never used: `run_op`
[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 is never used: `TEXT`
[INFO] [stdout]  --> src/file_io/create.rs:8:1
[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 [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stdout] warning: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e42b5177916778fe73b30527b6e58243eb630e1e3f1024aa67325e2f49be2466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42b5177916778fe73b30527b6e58243eb630e1e3f1024aa67325e2f49be2466", kill_on_drop: false }`
[INFO] [stdout] e42b5177916778fe73b30527b6e58243eb630e1e3f1024aa67325e2f49be2466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02f9f6b564cb41c1c43eab5af6eb9f6bfac1cdaa3c7b5c7bb10871c8399c4b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b02f9f6b564cb41c1c43eab5af6eb9f6bfac1cdaa3c7b5c7bb10871c8399c4b2", 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: use of deprecated associated function `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 associated function `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 associated function `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:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut x = 1024;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo2`
[INFO] [stdout]    --> src/object_safe.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let x = S;
[INFO] [stdout]    |             ^ 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/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: 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: 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: function is never used: `foo`
[INFO] [stdout]  --> src/function_diverging_functions.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn foo() -> ! {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `private_function`
[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 is never used: `function`
[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 is never read: `contents`
[INFO] [stdout]   --> src/module_struct_visibility.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         contents: T,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `public_function`
[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 is never used: `private_function`
[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 is never used: `unused_function`
[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 is never used: `generics_function`
[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 is never constructed: `Turkey`
[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 is never read: `number`
[INFO] [stdout]   --> src/error_handling_unpacking_options_with_question_mark.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         number: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         x: f32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         y: f64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field1`
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         field1: Test1,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field2`
[INFO] [stdout]   --> src/std_library_types/box_stack_heap.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         field2: Test1,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]    |     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     op!(mul_michael,Mul,*=,mul);
[INFO] [stdout]    |     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     op!(sub_michael,Sub,-=,sub);
[INFO] [stdout]    |     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 fn $func(){
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 fn $func(){
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_michael`
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 fn $func(){
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]    |                               ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]    |                                 ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[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 an attribute macro (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 an attribute macro (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 an attribute macro (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: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "b02f9f6b564cb41c1c43eab5af6eb9f6bfac1cdaa3c7b5c7bb10871c8399c4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02f9f6b564cb41c1c43eab5af6eb9f6bfac1cdaa3c7b5c7bb10871c8399c4b2", kill_on_drop: false }`
[INFO] [stdout] b02f9f6b564cb41c1c43eab5af6eb9f6bfac1cdaa3c7b5c7bb10871c8399c4b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c17688dfc3690a3a49a4f394d08f596b738d83f644ccb33f2f4cb4360a7bf12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c17688dfc3690a3a49a4f394d08f596b738d83f644ccb33f2f4cb4360a7bf12", 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: use of deprecated associated function `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 associated function `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 associated function `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:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut x = 1024;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo2`
[INFO] [stderr]    --> src/object_safe.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/scoping_rules/raii/destructor.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let x = S;
[INFO] [stderr]    |             ^ 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/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: 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: 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: function is never used: `foo`
[INFO] [stderr]  --> src/function_diverging_functions.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |         fn foo() -> ! {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `private_function`
[INFO] [stderr]   --> src/module_visibility.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |         fn private_function() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]   --> src/module_visibility.rs:71:16
[INFO] [stderr]    |
[INFO] [stderr] 71 |         pub fn function() {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `contents`
[INFO] [stderr]   --> src/module_struct_visibility.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         contents: T,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `public_function`
[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 is never used: `private_function`
[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 is never used: `unused_function`
[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 is never used: `generics_function`
[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 is never constructed: `Turkey`
[INFO] [stderr]   --> src/generics_empty_bounds.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     struct Turkey;
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> src/error_handling_unpacking_options_with_question_mark.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         number: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         x: f32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         y: f64,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field1`
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         field1: Test1,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field2`
[INFO] [stderr]   --> src/std_library_types/box_stack_heap.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         field2: Test1,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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]    |     ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     op!(mul_michael,Mul,*=,mul);
[INFO] [stderr]    |     ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             fn $func<T: $bound<T,Output=T> + Copy>(xs: &mut Vec<T>, ys: &Vec<T>){
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     op!(sub_michael,Sub,-=,sub);
[INFO] [stderr]    |     ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 fn $func(){
[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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 fn $func(){
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_michael`
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 fn $func(){
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]    |                               ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[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]    |                                 ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[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 #66145 <https://github.com/rust-lang/rust/issues/66145>
[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 an attribute macro (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 an attribute macro (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 an attribute macro (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: 48 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_exercise-2068b7ab58c7a305
[INFO] [stdout] 
[INFO] [stdout] running 164 tests
[INFO] [stdout] test error_handling_multiple_error_types_boxing_errors::tests::test_error_handling_multiple_error_types_boxing_errors ... ok
[INFO] [stdout] test enums::tests::test_type_aliases ... 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 enums::tests::test_enums ... ok
[INFO] [stdout] test enum_linked_list::tests::test_enum_linked_list ... ok
[INFO] [stdout] test display::tests::test_display ... 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_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_1 ... ok
[INFO] [stdout] test destructure_struct::tests::match_destructure_struct ... ok
[INFO] [stdout] test array_and_slice::tests::test_array_and_slice ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_partition_2 ... ok
[INFO] [stdout] test error_handling_multiple_error_types_other_uses_of_question_mark::tests::test_error_handling_multiple_error_types_other_uses_of_question_mark ... ok
[INFO] [stdout] test error_handling_multiple_error_types_pull_result_out_of_option::tests::test_error_handling_multiple_error_types_pull_result_out_of_option ... ok
[INFO] [stdout] test error_handling_multiple_error_types_pull_result_out_of_option::tests::test_error_handling_multiple_error_types_pull_result_out_of_option_v2 ... ok
[INFO] [stdout] test error_handling_multiple_error_types_wrapping_errors::tests::test_error_handling_multiple_error_types_wrapping_errors ... 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 error_handling_option_and_unwrap_combinator_and_then::tests::test_error_handling_option_and_unwrap_combinator_and_then ... ok
[INFO] [stdout] test error_handling_option_and_unwrap_combinator_map::tests::test_error_handling_option_and_unwrap_combinator_map ... ok
[INFO] [stdout] test conversion::tests::test_ToString_and_FromStr ... ok
[INFO] [stdout] test constants::tests::test_constants ... ok
[INFO] [stdout] test display_vec::tests::test_display_vec ... ok
[INFO] [stdout] test conversion::tests::test_conversion ... ok
[INFO] [stdout] test display_formatting::tests::test_display_formatting ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_filter_map ... ok
[INFO] [stdout] test error_handling_multiple_error_types_iterating_over_results::tests::test_error_handling_multiple_error_types_iterating_over_results_collect ... ok
[INFO] [stdout] test error_handling_result_aliases::tests::test_error_handling_result_aliases ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v2 ... 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 file_io::read_lines::tests::test_read_lines ... ok
[INFO] [stdout] test error_handling_result_early_returns::tests::test_error_handling_result_early_returns ... 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_result_map::tests::test_error_handling_result_map_v1 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_1 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_2 ... ok
[INFO] [stdout] test function_closures::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::tests::test_function ... 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 function_closures_input_functions::tests::test_function_closures_input_functions ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_3 ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_any ... ok
[INFO] [stdout] test function_closures_as_output_parameters::tests::test_function_closures_as_output_parameters ... ok
[INFO] [stdout] test function_closures_type_anonymity::tests::test_function_closures_type_anonymity ... ok
[INFO] [stdout] test generics::tests::test_generics ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_4 ... ok
[INFO] [stdout] test generics_associated_types::tests::test_generics_associated_types ... ok
[INFO] [stdout] test generics_bounds::tests::test_generics_bounds ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_find ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v1 ... ok
[INFO] [stdout] test generics_new_type_idiom::tests::test_generics_new_type_idiom ... ok
[INFO] [stdout] test generics_empty_bounds::tests::test_generics_empty_bounds ... ok
[INFO] [stdout] test generics_implementation::tests::test_generics_implementation ... ok
[INFO] [stdout] test generics_where_clauses::tests::test_generics_where_clauses ... ok
[INFO] [stdout] test generics_associated_items_problem::tests::test_generics_associated_items_problem ... ok
[INFO] [stdout] test generics_trait::tests::test_generics_trait ... ok
[INFO] [stdout] test generics_multiple_bounds::tests::test_generics_multiple_bounds ... ok
[INFO] [stdout] test generics_function::tests::test_generics_function ... ok
[INFO] [stdout] test lifetimes::explicit_annotation::tests::test_explicit_annotation ... ok
[INFO] [stdout] test lifetimes::functions::tests::test_functions ... ok
[INFO] [stdout] test lifetimes::bounds::tests::test_bounds ... ok
[INFO] [stdout] test lifetimes::methods::tests::test_methods ... ok
[INFO] [stdout] test lifetimes::coercion::tests::test_coercion ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v4 ... ok
[INFO] [stdout] test labels::tests::test_labels ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v2 ... ok
[INFO] [stdout] test lifetimes::r#static::tests::test_static ... ok
[INFO] [stdout] test lifetimes::structs::tests::test_structs ... ok
[INFO] [stdout] test lifetimes::elision::tests::test_elision ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v3 ... ok
[INFO] [stdout] test lifetimes::traits::tests::test_traits ... ok
[INFO] [stdout] test macro_rules::domain_specific_languages::tests::test_domain_specific_languages ... ok
[INFO] [stdout] test macro_rules::dont_repeat_yourself::tests::test_dont_repeat_yourself ... ok
[INFO] [stdout] test macro_rules::variadic_interfaces::tests::test_variadic_interfaces ... ok
[INFO] [stdout] test match_enum::tests::test_match_enum ... ok
[INFO] [stdout] test lifetimes::tests::test_lifetimes ... ok
[INFO] [stdout] test macro_rules::syntax::designators::tests::test_designators ... ok
[INFO] [stdout] test macro_rules::syntax::repeat::tests::test_repeat ... ok
[INFO] [stdout] test match_guard::tests::test_match_guard ... ok
[INFO] [stdout] test match_binding::tests::test_match_binding ... ok
[INFO] [stdout] test macro_rules::tests::test_macro_rules ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_3 ... ok
[INFO] [stdout] test macro_rules::syntax::overload::tests::test_overload ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_1 ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_2 ... ok
[INFO] [stdout] test match_pointer_and_reference::tests::test_match_pointer_and_reference ... ok
[INFO] [stdout] test match_tuple::tests::test_match ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_1 ... ok
[INFO] [stdout] test method::tests::match_method_1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v2 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v3 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v4 ... ok
[INFO] [stdout] test 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 module_visibility::tests::test_module_visibility ... ok
[INFO] [stdout] test module_use_declaration::tests::test_module_use_declaration ... ok
[INFO] [stdout] test module_file_hierarchy::tests::test_module_file_hierarchy ... 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::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::borrowing::the_ref_pattern::tests::test_the_ref_pattern ... ok
[INFO] [stdout] test path::tests::test_path ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::mutability::tests::test_mutability ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v6 ... ok
[INFO] [stdout] test scoping_rules::raii::destructor::tests::test_destructor ... ok
[INFO] [stdout] test scoping_rules::borrowing::tests::test_borrowing ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::tests::test_ownership_and_moves ... ok
[INFO] [stdout] test scoping_rules::borrowing::aliasing::tests::test_aliasing ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v5 ... ok
[INFO] [stdout] test scoping_rules::raii::tests::test_raii ... 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 static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v1 ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v2 ... ok
[INFO] [stdout] test std_library_types::alternate_or_custom_key_types::tests::test_alternate_or_custom_key_types ... ok
[INFO] [stdout] test std_library_types::box_stack_heap::tests::test_box_stack_heap ... ok
[INFO] [stdout] test std_library_types::hashmap::tests::test_hashmap ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset ... ok
[INFO] [stdout] test std_library_types::rc::tests::test_rc ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_byte_string ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_raw_string ... ok
[INFO] [stdout] test std_library_types::vector::tests::test_vector ... ok
[INFO] [stdout] test std_library_types::result::tests::test_result ... ok
[INFO] [stdout] test std_library_types::result_with_question_mark::tests::test_result_with_question_mark ... ok
[INFO] [stdout] THREAD 3 is starting
[INFO] [stdout] THREAD 1 is starting
[INFO] [stdout] THREAD 4 is starting
[INFO] [stdout] THREAD 6 is starting
[INFO] [stdout] THREAD 2 is starting
[INFO] [stdout] THREAD 0 is starting
[INFO] [stdout] THREAD 5 is starting
[INFO] [stdout] test trait_object::tests::test_trait_object ... ok
[INFO] [stdout] test traits::clone::tests::test_clone ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_string_literals_and_escapes ... ok
[INFO] [stdout] test structures::tests::test_structures ... ok
[INFO] [stdout] THREAD 9 is starting
[INFO] [stdout] THREAD 8 is starting
[INFO] [stdout] test traits::derive::tests::test_derive ... ok
[INFO] [stdout] test traits::drop::tests::test_drop ... ok
[INFO] [stdout] test traits::disambiguating_overlapping_traits::tests::test_disambiguating_overlapping_traits ... ok
[INFO] [stdout] test std_library_types::strings::tests::test_strings ... ok
[INFO] [stdout] processed segment 1, result=157
[INFO] [stdout] processed segment 7, result=177
[INFO] [stdout] processed segment 4, result=153
[INFO] [stdout] processed segment 5, result=172
[INFO] [stdout] THREAD 7 is starting
[INFO] [stdout] processed segment 2, result=154
[INFO] [stdout] processed segment 6, result=165
[INFO] [stdout] test traits::operator_overloading::tests::test_operator_overloading ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_function ... ok
[INFO] [stdout] processed segment 0, result=187
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_lifetime ... ok
[INFO] [stdout] processed segment 3, result=177
[INFO] [stdout] test traits::iterators::tests::test_iterators ... ok
[INFO] [stdout] test thread::tests::test_thread ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_impl_trait ... ok
[INFO] [stdout] test thread::testcase_map_reduce::tests::test_testcase_map_reduce ... ok
[INFO] [stdout] test tuples_activity::tests::test_tuples_activity ... ok
[INFO] [stdout] test traits::returning_traits_with_dyn::tests::test_returning_traits_with_dyn ... ok
[INFO] [stdout] test traits::tests::test_traits ... ok
[INFO] [stdout] test types::tests::test_aliasing ... ok
[INFO] [stdout] test tuples::tests::test_tuples ... ok
[INFO] [stdout] test types::tests::test_casting ... ok
[INFO] [stdout] test traits::super_traits::tests::test_super_traits ... ok
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit ... FAILED
[INFO] [stdout] test error_handling_panic::tests::test_error_handling_panic ... FAILED
[INFO] [stdout] test error_handling_result::tests::test_error_handling_result ... FAILED
[INFO] [stdout] test error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types ... FAILED
[INFO] [stdout] test while_control::test::test_while ... ok
[INFO] [stdout] test variable_bindings::tests::test_variable_bindings ... ok
[INFO] [stdout] test types::tests::test_literals ... ok
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit ... FAILED
[INFO] [stdout] test file_io::create::tests::test_create ... FAILED
[INFO] [stdout] test file_io::open::tests::test_open ... FAILED
[INFO] [stdout] test macro_rules::dont_repeat_yourself::tests::test_assert_equal_len ... FAILED
[INFO] [stdout] test std_library_types::panic::tests::test_panic ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit stdout ----
[INFO] [stdout] michael.w
[INFO] [stdout] thread 'error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit' panicked at 'called `Option::unwrap()` on a `None` value', src/error_handling_option_and_unwrap.rs:33:26
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723d1b61 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x5622723d1aad - core::panicking::panic::hc6be4d7009fb30ae
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x5622723255b3 - core::option::Option<T>::unwrap::hadda9105b8e9a985
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:383
[INFO] [stdout]   18:     0x562272336c23 - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_implicit::hb88a479f88668509
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:33
[INFO] [stdout]   19:     0x562272339000 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::h99683ca6b5399cbc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:55
[INFO] [stdout]   20:     0x562272338faa - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::{{closure}}::h59d2a78d483db33f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:52
[INFO] [stdout]   21:     0x56227235239e - core::ops::function::FnOnce::call_once::h6a9b51181715ffd8
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   24:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   27:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   28:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   29:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   30:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   31:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   33:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   35:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   36:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   37:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   38:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   43:     0x7f2f14e00103 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_panic::tests::test_error_handling_panic stdout ----
[INFO] [stdout] there is no panic!
[INFO] [stdout] thread 'error_handling_panic::tests::test_error_handling_panic' panicked at 'here is a panic!', src/error_handling_panic.rs:32:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622722f4b68 - std::panicking::begin_panic::{{closure}}::h8a872770693f0e50
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stdout]   13:     0x5622722fc4b8 - std::sys_common::backtrace::__rust_end_short_backtrace::h7f6548e381e288cb
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622722f4a93 - std::panicking::begin_panic::h4bef6d1fdfa95e4f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout]   15:     0x562272327b6f - rust_exercise::error_handling_panic::tests::occurs_panic::h1e9f27c9533eb643
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:32
[INFO] [stdout]   16:     0x562272328bf9 - rust_exercise::error_handling_panic::tests::test_error_handling_panic::h3bd3f5a7a677d900
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:40
[INFO] [stdout]   17:     0x562272328bba - rust_exercise::error_handling_panic::tests::test_error_handling_panic::{{closure}}::h26e775ed6b76a64a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:38
[INFO] [stdout]   18:     0x562272352c3e - core::ops::function::FnOnce::call_once::hb2c33ca4dfbc7d23
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_result::tests::test_error_handling_result stdout ----
[INFO] [stdout] 132
[INFO] [stdout] thread 'error_handling_result::tests::test_error_handling_result' panicked at 'called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }', src/error_handling_result.rs:23:54
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723d1b61 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x5622723d1983 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   17:     0x56227233c5f1 - core::result::Result<T,E>::unwrap::h2bfab3e66f55e40f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973
[INFO] [stdout]   18:     0x5622722f991a - rust_exercise::error_handling_result::tests::multiply::h89e709962179134b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:23
[INFO] [stdout]   19:     0x5622722fad86 - rust_exercise::error_handling_result::tests::test_error_handling_result::h3286d40feb2215aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:34
[INFO] [stdout]   20:     0x5622722fac9a - rust_exercise::error_handling_result::tests::test_error_handling_result::{{closure}}::h10b3c1dc580ac986
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:29
[INFO] [stdout]   21:     0x56227235272e - core::ops::function::FnOnce::call_once::h85fbc7a7695b0d24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   24:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   27:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   28:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   29:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   30:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   31:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   33:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   35:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   36:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   37:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   38:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   43:     0x7f2f14e00103 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types stdout ----
[INFO] [stdout] 20
[INFO] [stdout] thread 'error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types' panicked at 'called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }', src/error_handling_multiple_error_types.rs:17:38
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723d1b61 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x5622723d1983 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   17:     0x56227233c5f1 - core::result::Result<T,E>::unwrap::h2bfab3e66f55e40f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973
[INFO] [stdout]   18:     0x56227231fdb2 - rust_exercise::error_handling_multiple_error_types::tests::double_first::h59a5b42b3e4cad04
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:17
[INFO] [stdout]   19:     0x562272321cad - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::h1d261a8bb26a9491
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:27
[INFO] [stdout]   20:     0x562272321aba - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::{{closure}}::hd03c692f771bb223
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:21
[INFO] [stdout]   21:     0x562272352a1e - core::ops::function::FnOnce::call_once::ha1c5419c8723883c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   24:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   27:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   28:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   29:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   30:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   31:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   33:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   35:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   36:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   37:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   38:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   43:     0x7f2f14e00103 - clone
[INFO] [stdout]   44:                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] thread 'error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit' panicked at 'here is a panic!', src/error_handling_option_and_unwrap.rs:23:30
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622722f4b68 - std::panicking::begin_panic::{{closure}}::h8a872770693f0e50
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stdout]   13:     0x5622722fc4b8 - std::sys_common::backtrace::__rust_end_short_backtrace::h7f6548e381e288cb
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622722f4a93 - std::panicking::begin_panic::h4bef6d1fdfa95e4f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout]   15:     0x562272336b4a - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_explicit::h3748cf9dd8be2075
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:23
[INFO] [stdout]   16:     0x562272338f94 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::h72668f287f466430
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:48
[INFO] [stdout]   17:     0x562272338f1a - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::{{closure}}::h208f457e99bdfecc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:44
[INFO] [stdout]   18:     0x56227235295e - core::ops::function::FnOnce::call_once::h9a023dc27afe8988
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::create::tests::test_create stdout ----
[INFO] [stdout] thread 'file_io::create::tests::test_create' panicked at 'file file_write.txt is created failed: other os error', src/file_io/create.rs:27:25
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723b35cb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x56227232aa83 - rust_exercise::file_io::create::tests::test_create::h715a041dd9d6abc4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:27
[INFO] [stdout]   17:     0x56227232a7ea - rust_exercise::file_io::create::tests::test_create::{{closure}}::h63170e59a5f83c3a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:19
[INFO] [stdout]   18:     0x562272352ede - core::ops::function::FnOnce::call_once::hcd3fea8c74d358e7
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_io::open::tests::test_open stdout ----
[INFO] [stdout] thread 'file_io::open::tests::test_open' panicked at 'file /Users/oker/CLionProjects/rust-exercise/src/file_io/rust.txt is opened failed: entity not found', src/file_io/open.rs:23:25
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723b35cb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x562272322b9a - rust_exercise::file_io::open::tests::test_open::h910c6c327e67ae91
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:23
[INFO] [stdout]   17:     0x56227232292a - rust_exercise::file_io::open::tests::test_open::{{closure}}::h7979ca7032e79cb8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:15
[INFO] [stdout]   18:     0x5622723530be - core::ops::function::FnOnce::call_once::hd9246726ad00393c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr] error: test failed, to rerun pass '--bin rust-exercise'
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- macro_rules::dont_repeat_yourself::tests::test_assert_equal_len stdout ----
[INFO] [stdout] thread 'macro_rules::dont_repeat_yourself::tests::test_assert_equal_len' panicked at '"hi": dimension mismatch: (3,) "+=" (4,)', src/macro_rules/dont_repeat_yourself.rs:35:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622723b3659 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   13:     0x5622723b133c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622723b3619 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   15:     0x5622723b35cb - std::panicking::begin_panic_fmt::hef75366dd3a9de61
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:437
[INFO] [stdout]   16:     0x562272350ba2 - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::h4471089cbe76be76
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:35
[INFO] [stdout]   17:     0x56227235064a - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::{{closure}}::hbb002d39937cd4df
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:27
[INFO] [stdout]   18:     0x56227235311e - core::ops::function::FnOnce::call_once::hddeea25ed9f377cb
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- std_library_types::panic::tests::test_panic stdout ----
[INFO] [stdout] thread 'std_library_types::panic::tests::test_panic' panicked at 'divisor is Zero!', src/std_library_types/panic.rs:13:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5622723b0eb0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5622723b0eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5622723b0eb0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5622723b0eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5622723d3cbc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x56227235c706 - std::io::Write::write_fmt::h68b2e5fe4c78e61a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x5622723ab5ed - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::he9ebec865e28165c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179
[INFO] [stdout]    7:     0x5622723b33cd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5622723b33cd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5622723b33cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]   10:     0x5622723b3022 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224
[INFO] [stdout]   11:     0x5622723b3ab1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   12:     0x5622722f4b68 - std::panicking::begin_panic::{{closure}}::h8a872770693f0e50
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stdout]   13:     0x5622722fc4b8 - std::sys_common::backtrace::__rust_end_short_backtrace::h7f6548e381e288cb
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5622722f4a93 - std::panicking::begin_panic::h4bef6d1fdfa95e4f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stdout]   15:     0x56227234ea86 - rust_exercise::std_library_types::panic::tests::div::hddd2d9fcca0b4bcb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:13
[INFO] [stdout]   16:     0x56227235024e - rust_exercise::std_library_types::panic::tests::test_panic::h2b75c468ac8b47d3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:38
[INFO] [stdout]   17:     0x56227235013a - rust_exercise::std_library_types::panic::tests::test_panic::{{closure}}::hbe4a585a9eec97cb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:32
[INFO] [stdout]   18:     0x56227235230e - core::ops::function::FnOnce::call_once::h69333ecdb2a02af9
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x5622723834f3 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x5622723834f3 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516
[INFO] [stdout]   21:     0x5622723819f8 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h01fd09163cae2442
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x5622723819f8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x5622723819f8 - std::panicking::try::do_call::h564a32f132f2c264
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   24:     0x5622723819f8 - std::panicking::try::h477cfd4b06a2e64a
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   25:     0x5622723819f8 - std::panic::catch_unwind::hdb5abc6d008c399d
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   26:     0x5622723819f8 - test::run_test_in_process::he8ff7dec91b275be
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543
[INFO] [stdout]   27:     0x5622723819f8 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449
[INFO] [stdout]   28:     0x56227235ba86 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stdout]   30:     0x562272360bf5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x562272360bf5 - std::panicking::try::do_call::h6cd25078f4a5ea13
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   32:     0x562272360bf5 - std::panicking::try::h84b1d49961301705
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   33:     0x562272360bf5 - std::panic::catch_unwind::h6145324593b3654b
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   34:     0x562272360bf5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stdout]   35:     0x562272360bf5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x5622723b9b0a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x5622723b9b0a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f2f14b75609 - start_thread
[INFO] [stdout]   40:     0x7f2f14e00103 - clone
[INFO] [stdout]   41:                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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c17688dfc3690a3a49a4f394d08f596b738d83f644ccb33f2f4cb4360a7bf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c17688dfc3690a3a49a4f394d08f596b738d83f644ccb33f2f4cb4360a7bf12", kill_on_drop: false }`
[INFO] [stdout] 7c17688dfc3690a3a49a4f394d08f596b738d83f644ccb33f2f4cb4360a7bf12
