[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRevelationOfTuring%2FRust-exercise" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RevelationOfTuring/Rust-exercise on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e90f48fa076734f13105e60b6b6b08ad826769e4e13f775b6bd2635b193bff
[INFO] running `Command { std: "docker" "start" "-a" "68e90f48fa076734f13105e60b6b6b08ad826769e4e13f775b6bd2635b193bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e90f48fa076734f13105e60b6b6b08ad826769e4e13f775b6bd2635b193bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e90f48fa076734f13105e60b6b6b08ad826769e4e13f775b6bd2635b193bff", kill_on_drop: false }`
[INFO] [stdout] 68e90f48fa076734f13105e60b6b6b08ad826769e4e13f775b6bd2635b193bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19408af9a55bbf4e413dce5f916219c3aa6478f518bb5e1eb222cc4262e51bb5
[INFO] running `Command { std: "docker" "start" "-a" "19408af9a55bbf4e413dce5f916219c3aa6478f518bb5e1eb222cc4262e51bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `calculate`
[INFO] [stdout]   --> src/macro_rules/domain_specific_languages.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! calculate {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `calculate`
[INFO] [stdout]  --> src/macro_rules/variadic_interfaces.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! calculate {
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/generics.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn generics_function<T>(arg: T) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function 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]    = note: `#[warn(dead_code)]` on by default
[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_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: `private_function`
[INFO] [stdout]   --> src/module_visibility.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn private_function() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function 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: `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: 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: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: `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: `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: `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: 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: 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] [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: `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_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: `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: `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: 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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[derive(Debug)]        // 用于错误原因打印
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[derive(Debug)]        // 用于错误原因打印
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |     #[derive(Debug)]        // 用于错误原因打印
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `MichaelMathError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/std_library_types/result_with_question_mark.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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] note: `Book` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Copy, Clone)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Book` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Copy, Clone)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `Book` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/scoping_rules/borrowing/mutability.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Copy, Clone)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "19408af9a55bbf4e413dce5f916219c3aa6478f518bb5e1eb222cc4262e51bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19408af9a55bbf4e413dce5f916219c3aa6478f518bb5e1eb222cc4262e51bb5", kill_on_drop: false }`
[INFO] [stdout] 19408af9a55bbf4e413dce5f916219c3aa6478f518bb5e1eb222cc4262e51bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf771d0148f75b98aa13a2ee1f0cb3392001c222d00e6fdc51602ee77e0020be
[INFO] running `Command { std: "docker" "start" "-a" "cf771d0148f75b98aa13a2ee1f0cb3392001c222d00e6fdc51602ee77e0020be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/labels.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             'inner: loop {
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     ($b.len(),));
[INFO] [stdout]    |                                 ^
[INFO] [stdout] ...
[INFO] [stdout] 35 |         assert_equal_len!(a,b,hi,+=)
[INFO] [stdout]    |         ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` 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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `assert_equal_len`
[INFO] [stdout]    = note: this warning originates in the macro `assert_equal_len` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: `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: 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] 
[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: `x`
[INFO] [stdout]    --> src/object_safe.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut x = 1024;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo2`
[INFO] [stdout]    --> src/object_safe.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: 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: 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: `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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/conversion.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             value: i32,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/conversion.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         #[derive(Debug)]
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/tuples.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         name: &'a str,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/tuples.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]   --> src/tuples.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         age: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/tuples.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/structures.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         x: f32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/structures.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/structures.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         y: f32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/structures.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field2`
[INFO] [stdout]  --> src/destructure_struct.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         field2: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `S1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/destructure_struct.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field3`
[INFO] [stdout]  --> src/destructure_struct.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         field3: (u32, f64),
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `S1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/destructure_struct.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[derive(Debug)]
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] 
[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: `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: field is never read: `i`
[INFO] [stdout]   --> src/generics_trait.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         i: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/generics_trait.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling_unpacking_options_with_question_mark.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     #[derive(Copy, Clone)]
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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: field is never read: `x`
[INFO] [stdout]   --> src/lifetimes/structs.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         x: &'a i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lifetimes/structs.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/lifetimes/structs.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         y: &'a i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lifetimes/structs.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lifetimes/traits.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         name: &'a str
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lifetimes/traits.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 |     #[derive(Debug)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 the macro `op` (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 the macro `op` (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 the macro `op` (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 the macro `test_michael` (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 the macro `test_michael` (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 the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/function_closures_examples_in_std.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 45 |         println!("{}", array2.iter().any(|&x| x == 2));
[INFO] [stdout]    |                               ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         println!("{}", IntoIterator::into_iter(array2).any(|&x| x == 2));
[INFO] [stdout]    |                        ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/function_closures_examples_in_std.rs:88:33
[INFO] [stdout]    |
[INFO] [stdout] 88 |         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 88 |         println!("{:?}", array2.iter().find(|&&x| x == 2));
[INFO] [stdout]    |                                 ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 88 |         println!("{:?}", IntoIterator::into_iter(array2).find(|&&x| x == 2));
[INFO] [stdout]    |                          ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stdout]    |         -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnameable_test_items)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stdout]    |         --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot test inner items
[INFO] [stdout]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 #[test]
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stdout]    |         -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the attribute macro `test` (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: 60 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "cf771d0148f75b98aa13a2ee1f0cb3392001c222d00e6fdc51602ee77e0020be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf771d0148f75b98aa13a2ee1f0cb3392001c222d00e6fdc51602ee77e0020be", kill_on_drop: false }`
[INFO] [stdout] cf771d0148f75b98aa13a2ee1f0cb3392001c222d00e6fdc51602ee77e0020be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4bcbb9c0ce13d461c1f601c97a41d65869610655e9fe0a15ab29a9ffaea622a
[INFO] running `Command { std: "docker" "start" "-a" "a4bcbb9c0ce13d461c1f601c97a41d65869610655e9fe0a15ab29a9ffaea622a", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/labels.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             'inner: loop {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:23:33
[INFO] [stderr]    |
[INFO] [stderr] 23 |                     ($b.len(),));
[INFO] [stderr]    |                                 ^
[INFO] [stderr] ...
[INFO] [stderr] 35 |         assert_equal_len!(a,b,hi,+=)
[INFO] [stderr]    |         ---------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` 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 #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `assert_equal_len`
[INFO] [stderr]    = note: this warning originates in the macro `assert_equal_len` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 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: `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]    = note: `#[warn(unused_variables)]` on by default
[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] 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: `x`
[INFO] [stderr]    --> src/object_safe.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut x = 1024;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo2`
[INFO] [stderr]    --> src/object_safe.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let mut foo2 = Foo2(1024);
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_foo2`
[INFO] [stderr] 
[INFO] [stderr] warning: 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: 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: 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: `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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/conversion.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             value: i32,
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/conversion.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |         #[derive(Debug)]
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/tuples.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         name: &'a str,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/tuples.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `age`
[INFO] [stderr]   --> src/tuples.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         age: u8,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/tuples.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/structures.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         x: f32,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/structures.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> src/structures.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         y: f32,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/structures.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field2`
[INFO] [stderr]  --> src/destructure_struct.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         field2: String,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `S1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/destructure_struct.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field3`
[INFO] [stderr]  --> src/destructure_struct.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         field3: (u32, f64),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `S1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/destructure_struct.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 |     #[derive(Debug)]
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] 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: `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: field is never read: `i`
[INFO] [stderr]   --> src/generics_trait.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         i: i32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `A` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/generics_trait.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error_handling_unpacking_options_with_question_mark.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |     #[derive(Copy, Clone)]
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: 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: field is never read: `x`
[INFO] [stderr]   --> src/lifetimes/structs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         x: &'a i32,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lifetimes/structs.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/lifetimes/structs.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         y: &'a i32,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `NameBorrowed` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lifetimes/structs.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/lifetimes/traits.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         name: &'a str
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lifetimes/traits.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     #[derive(Debug)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 the macro `op` (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 the macro `op` (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 the macro `op` (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 the macro `test_michael` (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 the macro `test_michael` (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 the macro `test_michael` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]   --> src/function_closures_examples_in_std.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |         println!("{}", array2.into_iter().any(|&x| x == 2));
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 45 |         println!("{}", array2.iter().any(|&x| x == 2));
[INFO] [stderr]    |                               ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 45 |         println!("{}", IntoIterator::into_iter(array2).any(|&x| x == 2));
[INFO] [stderr]    |                        ++++++++++++++++++++++++      ~
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]   --> src/function_closures_examples_in_std.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |         println!("{:?}", array2.into_iter().find(|&&x| x == 2));
[INFO] [stderr]    |                                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 88 |         println!("{:?}", array2.iter().find(|&&x| x == 2));
[INFO] [stderr]    |                                 ~~~~
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 88 |         println!("{:?}", IntoIterator::into_iter(array2).find(|&&x| x == 2));
[INFO] [stderr]    |                          ++++++++++++++++++++++++      ~
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |         test_michael!(add_michael,1,2,3);
[INFO] [stderr]    |         -------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnameable_test_items)]` on by default
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |         test_michael!(mul_michael,4,5,20);
[INFO] [stderr]    |         --------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: cannot test inner items
[INFO] [stderr]   --> src/macro_rules/dont_repeat_yourself.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 #[test]
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |         test_michael!(sub_michael,3,2,1);
[INFO] [stderr]    |         -------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the attribute macro `test` (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: `rust-exercise` (bin "rust-exercise" test) generated 60 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exercise-16ab1855bd9b0fa7)
[INFO] [stdout] 
[INFO] [stdout] running 164 tests
[INFO] [stdout] test array_and_slice::tests::test_array_and_slice ... ok
[INFO] [stdout] test attribute_cfg::tests::test_attribute_cfg ... ok
[INFO] [stdout] test attribute_dead_code::tests::test_attribute_dead_code ... ok
[INFO] [stdout] test constants::tests::test_constants ... ok
[INFO] [stdout] test conversion::tests::test_ToString_and_FromStr ... ok
[INFO] [stdout] test conversion::tests::test_conversion ... ok
[INFO] [stdout] test destructure_struct::tests::match_destructure_struct ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] test display_vec::tests::test_display_vec ... ok
[INFO] [stdout] test display_formatting::tests::test_display_formatting ... ok
[INFO] [stdout] test enums::tests::test_enums ... ok
[INFO] [stdout] test enum_linked_list::tests::test_enum_linked_list ... ok
[INFO] [stdout] test enums::tests::test_type_aliases ... ok
[INFO] [stdout] test error_handling_multiple_error_types_boxing_errors::tests::test_error_handling_multiple_error_types_boxing_errors ... ok
[INFO] [stdout] test error_handling_multiple_error_types_define_an_error_type::tests::test_error_handling_multiple_error_types_define_an_error_type ... 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_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 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 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 error_handling_result_early_returns::tests::test_error_handling_result_early_returns ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v1 ... ok
[INFO] [stdout] test error_handling_result_map::tests::test_error_handling_result_map_v2 ... ok
[INFO] [stdout] test error_handling_result_aliases::tests::test_error_handling_result_aliases ... ok
[INFO] [stdout] test error_handling_result_question_mark::tests::test_error_handling_result_question_mark ... ok
[INFO] [stdout] test error_handling_unpacking_options_with_question_mark::tests::test_error_handling_unpacking_options_with_question_mark ... ok
[INFO] [stdout] test error_handling_unpacking_options_with_question_mark::tests::test_error_handling_unpacking_options_with_question_mark_readable ... ok
[INFO] [stdout] test file_io::read_lines::tests::test_read_lines ... ok
[INFO] [stdout] test function_closures::tests::test_function_closures ... ok
[INFO] [stdout] test for_and_iterator::tests::test_for_and_iterator ... ok
[INFO] [stdout] test function::tests::test_function ... ok
[INFO] [stdout] test function_closures_as_input_parameters::tests::test_function_closures_as_input_parameters ... ok
[INFO] [stdout] test function_closures_as_output_parameters::tests::test_function_closures_as_output_parameters ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_2 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_1 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_3 ... ok
[INFO] [stdout] test function_closures_capturing::tests::test_function_closures_capturing_4 ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_any ... ok
[INFO] [stdout] test function_closures_examples_in_std::tests::test_function_closures_iter_find ... ok
[INFO] [stdout] test function_closures_input_functions::tests::test_function_closures_input_functions ... ok
[INFO] [stdout] test function_closures_type_anonymity::tests::test_function_closures_type_anonymity ... ok
[INFO] [stdout] test function_diverging_functions::tests::test_function_diverging_functions ... ok
[INFO] [stdout] test function_higher_order_functions::tests::test_function_higher_order_functions ... ok
[INFO] [stdout] test generics::tests::test_generics ... ok
[INFO] [stdout] test generics_associated_items_problem::tests::test_generics_associated_items_problem ... ok
[INFO] [stdout] test generics_associated_types::tests::test_generics_associated_types ... ok
[INFO] [stdout] test generics_empty_bounds::tests::test_generics_empty_bounds ... ok
[INFO] [stdout] test generics_function::tests::test_generics_function ... ok
[INFO] [stdout] test generics_implementation::tests::test_generics_implementation ... ok
[INFO] [stdout] test generics_bounds::tests::test_generics_bounds ... ok
[INFO] [stdout] test generics_multiple_bounds::tests::test_generics_multiple_bounds ... ok
[INFO] [stdout] test generics_trait::tests::test_generics_trait ... ok
[INFO] [stdout] test generics_new_type_idiom::tests::test_generics_new_type_idiom ... ok
[INFO] [stdout] test generics_where_clauses::tests::test_generics_where_clauses ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v1 ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v2 ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v3 ... ok
[INFO] [stdout] test impl_trait::tests::test_impl_trait_v4 ... ok
[INFO] [stdout] test labels::tests::test_labels ... ok
[INFO] [stdout] test lifetimes::bounds::tests::test_bounds ... ok
[INFO] [stdout] test lifetimes::coercion::tests::test_coercion ... ok
[INFO] [stdout] test lifetimes::elision::tests::test_elision ... 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::methods::tests::test_methods ... ok
[INFO] [stdout] test lifetimes::r#static::tests::test_static ... ok
[INFO] [stdout] test lifetimes::structs::tests::test_structs ... ok
[INFO] [stdout] test lifetimes::tests::test_lifetimes ... ok
[INFO] [stdout] test 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::syntax::designators::tests::test_designators ... ok
[INFO] [stdout] test macro_rules::syntax::overload::tests::test_overload ... ok
[INFO] [stdout] test macro_rules::syntax::repeat::tests::test_repeat ... ok
[INFO] [stdout] test macro_rules::tests::test_macro_rules ... ok
[INFO] [stdout] test macro_rules::variadic_interfaces::tests::test_variadic_interfaces ... ok
[INFO] [stdout] test match_binding::tests::test_match_binding ... 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_enum::tests::test_match_enum ... ok
[INFO] [stdout] test match_guard::tests::test_match_guard ... ok
[INFO] [stdout] test match_while_let::tests::test_while_let_2 ... 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 method::tests::match_method_2 ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_1 ... ok
[INFO] [stdout] test module_super_and_self::tests::test_module_super_and_self ... ok
[INFO] [stdout] test module_file_hierarchy::tests::test_module_file_hierarchy ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_2 ... ok
[INFO] [stdout] test module_struct_visibility::tests::test_module_struct_visibility ... ok
[INFO] [stdout] test module_use_declaration::tests::test_module_use_declaration ... ok
[INFO] [stdout] test module_visibility::tests::test_module_visibility ... ok
[INFO] [stdout] test match_if_let::tests::test_match_if_let_3 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v1 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v3 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v2 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v6 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v5 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v7 ... ok
[INFO] [stdout] test object_safe::tests::test_object_safe_v4 ... ok
[INFO] [stdout] test scoping_rules::borrowing::aliasing::tests::test_aliasing ... ok
[INFO] [stdout] test scoping_rules::borrowing::mutability::tests::test_mutability ... ok
[INFO] [stdout] test scoping_rules::borrowing::freezing::tests::test_freezing ... ok
[INFO] [stdout] test path::tests::test_path ... ok
[INFO] [stdout] test scoping_rules::borrowing::the_ref_pattern::tests::test_the_ref_pattern ... ok
[INFO] [stdout] test scoping_rules::borrowing::tests::test_borrowing ... ok
[INFO] [stdout] test scoping_rules::raii::destructor::tests::test_destructor ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::tests::test_ownership_and_moves ... ok
[INFO] [stdout] test static_and_dynamic_dispatch::tests::test_static_and_dynamic_dispatch_v1 ... ok
[INFO] [stdout] test scoping_rules::ownership_and_moves::mutability::tests::test_mutability ... 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 scoping_rules::raii::tests::test_raii ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset ... ok
[INFO] [stdout] test std_library_types::option::tests::test_option ... ok
[INFO] [stdout] test std_library_types::box_stack_heap::tests::test_box_stack_heap ... ok
[INFO] [stdout] test std_library_types::hashset::tests::test_hashset_verification ... ok
[INFO] [stdout] test std_library_types::hashmap::tests::test_hashmap ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_raw_string ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_string_literals_and_escapes ... ok
[INFO] [stdout] test std_library_types::strings::tests::test_strings ... ok
[INFO] [stdout] test std_library_types::vector::tests::test_vector ... ok
[INFO] [stdout] test structures::tests::test_structures ... ok
[INFO] [stdout] test std_library_types::rc::tests::test_rc ... ok
[INFO] [stdout] test std_library_types::result::tests::test_result ... ok
[INFO] [stdout] test std_library_types::result_with_question_mark::tests::test_result_with_question_mark ... ok
[INFO] [stdout] test std_library_types::string_literals_and_escapes::tests::test_byte_string ... ok
[INFO] [stdout] test traits::clone::tests::test_clone ... ok
[INFO] [stdout] test traits::derive::tests::test_derive ... ok
[INFO] [stdout] test traits::disambiguating_overlapping_traits::tests::test_disambiguating_overlapping_traits ... ok
[INFO] [stdout] test trait_object::tests::test_trait_object ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_lifetime ... ok
[INFO] [stdout] test traits::drop::tests::test_drop ... ok
[INFO] [stdout] test traits::returning_traits_with_dyn::tests::test_returning_traits_with_dyn ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_double_positives_function ... ok
[INFO] [stdout] test traits::super_traits::tests::test_super_traits ... ok
[INFO] [stdout] test traits::impl_trait::tests::test_impl_trait ... ok
[INFO] [stdout] test traits::tests::test_traits ... ok
[INFO] [stdout] test tuples::tests::test_tuples ... ok
[INFO] [stdout] test traits::iterators::tests::test_iterators ... ok
[INFO] [stdout] test types::tests::test_aliasing ... ok
[INFO] [stdout] test traits::operator_overloading::tests::test_operator_overloading ... ok
[INFO] [stdout] test types::tests::test_casting ... ok
[INFO] [stdout] test tuples_activity::tests::test_tuples_activity ... ok
[INFO] [stdout] test types::tests::test_literals ... ok
[INFO] [stdout] test variable_bindings::tests::test_variable_bindings ... ok
[INFO] [stdout] test while_control::test::test_while ... ok
[INFO] [stdout] test thread::tests::test_thread ... ok
[INFO] [stdout] test thread::testcase_map_reduce::tests::test_testcase_map_reduce ... ok
[INFO] [stdout] test error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types ... FAILED
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit ... FAILED
[INFO] [stdout] test error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit ... FAILED
[INFO] [stdout] test error_handling_panic::tests::test_error_handling_panic ... FAILED
[INFO] [stdout] test error_handling_result::tests::test_error_handling_result ... 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_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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158e7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061e452a3 - core::result::unwrap_failed::h719f957ed74f93fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5
[INFO] [stdout]   16:     0x557061ea7c40 - core::result::Result<T,E>::unwrap::hc8e6ce04d680e318
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1065:23
[INFO] [stdout]   17:     0x557061e4edc9 - rust_exercise::error_handling_multiple_error_types::tests::double_first::hf2440a0a885d6e88
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:17:13
[INFO] [stdout]   18:     0x557061e50b18 - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::hcad78d99d26b1793
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:27:24
[INFO] [stdout]   19:     0x557061e5095a - rust_exercise::error_handling_multiple_error_types::tests::test_error_handling_multiple_error_types::{{closure}}::hed88315e5c7fc31b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_multiple_error_types.rs:21:5
[INFO] [stdout]   20:     0x557061e6bd3e - core::ops::function::FnOnce::call_once::h3a6d3e0ca5908385
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   23:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   24:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   25:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   26:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   27:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   28:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   29:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   32:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   33:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   34:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   35:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   36:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   37:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   38:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   40:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   41:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   42:     0x7fcc26832609 - start_thread
[INFO] [stdout]   43:     0x7fcc26602163 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit stdout ----
[INFO] [stdout] michael.w
[INFO] [stdout] 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158a9 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:586:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061e4507d - core::panicking::panic::h4241c5ccea17faca
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:48:5
[INFO] [stdout]   16:     0x557061e61fe1 - core::option::Option<T>::unwrap::h2bf4894100f293d9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:752:21
[INFO] [stdout]   17:     0x557061e9d3ea - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_implicit::h42d96acc35dc31b9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:33:21
[INFO] [stdout]   18:     0x557061e9fc70 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::h3145a189af057838
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:55:9
[INFO] [stdout]   19:     0x557061e9fc1a - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_implicit::{{closure}}::h680e5448d1c2166b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:52:5
[INFO] [stdout]   20:     0x557061e6e2ee - core::ops::function::FnOnce::call_once::hffc90becbfcc2e36
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   23:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   24:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   25:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   26:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   27:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   28:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   29:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   32:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   33:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   34:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   35:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   36:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   37:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   38:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   40:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   41:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   42:     0x7fcc26832609 - start_thread
[INFO] [stdout]   43:     0x7fcc26602163 - 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061ea1114 - std::panicking::begin_panic::{{closure}}::h9a708bf019ff2409
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:617:9
[INFO] [stdout]   12:     0x557061e78188 - std::sys_common::backtrace::__rust_end_short_backtrace::h5b4c4d71f9b46213
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061ea108f - std::panicking::begin_panic::h6a8956442ffdb5d4
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:616:12
[INFO] [stdout]   14:     0x557061e9d378 - rust_exercise::error_handling_option_and_unwrap::tests::occurs_panic_explicit::hf6ced9290608f94b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:23:30
[INFO] [stdout]   15:     0x557061e9fc04 - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::hebaa10ce127565fc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:48:9
[INFO] [stdout]   16:     0x557061e9fb8a - rust_exercise::error_handling_option_and_unwrap::tests::test_error_handling_option_and_unwrap_explicit::{{closure}}::hc6a9d36fe051f66f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_option_and_unwrap.rs:44:5
[INFO] [stdout]   17:     0x557061e6bfbe - core::ops::function::FnOnce::call_once::h4521c1c8e579674f
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - clone
[INFO] [stdout]   41:                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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061ea1114 - std::panicking::begin_panic::{{closure}}::h9a708bf019ff2409
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:617:9
[INFO] [stdout]   12:     0x557061e78188 - std::sys_common::backtrace::__rust_end_short_backtrace::h5b4c4d71f9b46213
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061ea108f - std::panicking::begin_panic::h6a8956442ffdb5d4
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:616:12
[INFO] [stdout]   14:     0x557061e7a5c9 - rust_exercise::error_handling_panic::tests::occurs_panic::h472bcc1b0a696c06
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:32:13
[INFO] [stdout]   15:     0x557061e7c373 - rust_exercise::error_handling_panic::tests::test_error_handling_panic::hc1412edc5dcd3ed1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:40:9
[INFO] [stdout]   16:     0x557061e7c33a - rust_exercise::error_handling_panic::tests::test_error_handling_panic::{{closure}}::had6f5218f8dbda73
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_panic.rs:38:5
[INFO] [stdout]   17:     0x557061e6bcfe - core::ops::function::FnOnce::call_once::h395d5e1f511c6753
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158e7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061e452a3 - core::result::unwrap_failed::h719f957ed74f93fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5
[INFO] [stdout]   16:     0x557061ea7c40 - core::result::Result<T,E>::unwrap::hc8e6ce04d680e318
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1065:23
[INFO] [stdout]   17:     0x557061e7a7c7 - rust_exercise::error_handling_result::tests::multiply::hb204d92e01e784db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:23:25
[INFO] [stdout]   18:     0x557061e7c605 - rust_exercise::error_handling_result::tests::test_error_handling_result::hf37d77d4255a83a4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:34:24
[INFO] [stdout]   19:     0x557061e7c55a - rust_exercise::error_handling_result::tests::test_error_handling_result::{{closure}}::h4135caeb4830827d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/error_handling_result.rs:29:5
[INFO] [stdout]   20:     0x557061e6c9be - core::ops::function::FnOnce::call_once::h75ff82d8b367f51c
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   23:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   24:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   25:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   26:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   27:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   28:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   29:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   32:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   33:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   34:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   35:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   36:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   37:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   38:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   40:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   41:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   42:     0x7fcc26832609 - start_thread
[INFO] [stdout]   43:     0x7fcc26602163 - clone
[INFO] [stdout]   44:                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: read-only filesystem or storage medium', src/file_io/create.rs:27:25
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158e7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061ea59c8 - rust_exercise::file_io::create::tests::test_create::h668e9b697c343865
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:27:25
[INFO] [stdout]   16:     0x557061ea577a - rust_exercise::file_io::create::tests::test_create::{{closure}}::hea14b0b1ffe4df49
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/create.rs:19:5
[INFO] [stdout]   17:     0x557061e6bc7e - core::ops::function::FnOnce::call_once::h305930ee06a38fb7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stderr] error: test failed, to rerun pass '--bin rust-exercise'
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158e7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061e8f7bb - rust_exercise::file_io::open::tests::test_open::h1f87510b673b5b5d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:23:25
[INFO] [stdout]   16:     0x557061e8f58a - rust_exercise::file_io::open::tests::test_open::{{closure}}::h7ed2e2806113ac88
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_io/open.rs:15:5
[INFO] [stdout]   17:     0x557061e6b75e - core::ops::function::FnOnce::call_once::h1712788ffca5c5af
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061f158e7 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stdout]   12:     0x557061f13694 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061f155f9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stdout]   14:     0x557061e451b3 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stdout]   15:     0x557061e6a936 - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::h889de8b9be6c1d30
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:35:9
[INFO] [stdout]   16:     0x557061e6a45a - rust_exercise::macro_rules::dont_repeat_yourself::tests::test_assert_equal_len::{{closure}}::he94d67269876906c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/macro_rules/dont_repeat_yourself.rs:27:5
[INFO] [stdout]   17:     0x557061e6b69e - core::ops::function::FnOnce::call_once::h156526d14ec3e00e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - 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:     0x557061f131cd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x557061f131cd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557061f131cd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x557061f131cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x557061f3931c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x557061f0e928 - std::io::Write::write_fmt::hbe7c1a63616291e2
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x557061f154a7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x557061f154a7 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x557061f154a7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x557061f151dc - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x557061f15bf9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x557061ea1114 - std::panicking::begin_panic::{{closure}}::h9a708bf019ff2409
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:617:9
[INFO] [stdout]   12:     0x557061e78188 - std::sys_common::backtrace::__rust_end_short_backtrace::h5b4c4d71f9b46213
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x557061ea108f - std::panicking::begin_panic::h6a8956442ffdb5d4
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:616:12
[INFO] [stdout]   14:     0x557061e67ed6 - rust_exercise::std_library_types::panic::tests::div::hae8d7f7ff09e8ab7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:13:13
[INFO] [stdout]   15:     0x557061e69a48 - rust_exercise::std_library_types::panic::tests::test_panic::h13808943133f7679
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:38:9
[INFO] [stdout]   16:     0x557061e6990a - rust_exercise::std_library_types::panic::tests::test_panic::{{closure}}::h7616feb49c6065e2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/std_library_types/panic.rs:32:5
[INFO] [stdout]   17:     0x557061e6ca3e - core::ops::function::FnOnce::call_once::h7ab473a8c4457b27
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x557061ee8c83 - core::ops::function::FnOnce::call_once::h2a47b4b927cb6ca5
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x557061ee8c83 - test::__rust_begin_short_backtrace::h594ef8055a183b9b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:575:5
[INFO] [stdout]   20:     0x557061ee7964 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb40cbb8bc3e1be15
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   21:     0x557061ee7964 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4f2bd3b806745a0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   22:     0x557061ee7964 - std::panicking::try::do_call::h92af9f8bc77a5987
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   23:     0x557061ee7964 - std::panicking::try::h9df49eeae42572b7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   24:     0x557061ee7964 - std::panic::catch_unwind::h101dbadc82bbe0fd
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   25:     0x557061ee7964 - test::run_test_in_process::h2ad7bffb068e750a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:598:18
[INFO] [stdout]   26:     0x557061ee7964 - test::run_test::run_test_inner::{{closure}}::h384faf46554c5acb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x557061ef1281 - test::run_test::run_test_inner::{{closure}}::h17cfe94835a46685
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x557061ef1281 - std::sys_common::backtrace::__rust_begin_short_backtrace::h82709e5086312627
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   29:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdfea66a201b39571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   30:     0x557061ebd8ff - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4912df03598e67fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   31:     0x557061ebd8ff - std::panicking::try::do_call::h6d5dc1045d0eade8
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   32:     0x557061ebd8ff - std::panicking::try::hbc897fc717ec6571
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   33:     0x557061ebd8ff - std::panic::catch_unwind::h27f1e958c91391ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   34:     0x557061ebd8ff - std::thread::Builder::spawn_unchecked_::{{closure}}::h1b42e48537edc3c0
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   35:     0x557061ebd8ff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9137b3d6d2a88354
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf70ac038171e3e1a
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   37:     0x557061f1b8e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6690128792365ad
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/alloc/src/boxed.rs:1853:9
[INFO] [stdout]   38:     0x557061f1b8e3 - std::sys::unix::thread::Thread::new::thread_start::ha07928d93d5a5ec9
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   39:     0x7fcc26832609 - start_thread
[INFO] [stdout]   40:     0x7fcc26602163 - 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; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4bcbb9c0ce13d461c1f601c97a41d65869610655e9fe0a15ab29a9ffaea622a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bcbb9c0ce13d461c1f601c97a41d65869610655e9fe0a15ab29a9ffaea622a", kill_on_drop: false }`
[INFO] [stdout] a4bcbb9c0ce13d461c1f601c97a41d65869610655e9fe0a15ab29a9ffaea622a