[INFO] cloning repository https://github.com/WhatADumb/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WhatADumb/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhatADumb%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhatADumb%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 939f1d77e1011af5ce1ef3740efe651068ac5708
[INFO] testing WhatADumb/belajar-rust-dasar against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhatADumb%2Fbelajar-rust-dasar" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WhatADumb/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/WhatADumb/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/WhatADumb/belajar-rust-dasar written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WhatADumb/belajar-rust-dasar on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WhatADumb/belajar-rust-dasar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae8f71969b8b380a83c4011e5b8ec942ed3c86d312f93a7c3eec2f79b87baf65
[INFO] running `Command { std: "docker" "start" "-a" "ae8f71969b8b380a83c4011e5b8ec942ed3c86d312f93a7c3eec2f79b87baf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8f71969b8b380a83c4011e5b8ec942ed3c86d312f93a7c3eec2f79b87baf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8f71969b8b380a83c4011e5b8ec942ed3c86d312f93a7c3eec2f79b87baf65", kill_on_drop: false }`
[INFO] [stdout] ae8f71969b8b380a83c4011e5b8ec942ed3c86d312f93a7c3eec2f79b87baf65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3861edbcfe207a8b1ddd74bbc5154a7de5a5e320c55cd65681c33d6aaeaf396d
[INFO] running `Command { std: "docker" "start" "-a" "3861edbcfe207a8b1ddd74bbc5154a7de5a5e320c55cd65681c33d6aaeaf396d", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `say_hello_to` and `say_hello` are never used
[INFO] [stdout]     --> src/main.rs:1048:8
[INFO] [stdout]      |
[INFO] [stdout] 1046 | trait GreetingHello {
[INFO] [stdout]      |       ------------- methods in this trait
[INFO] [stdout] 1047 |     fn greeting(&self) -> String;
[INFO] [stdout] 1048 |     fn say_hello_to(&self, name: &str) -> String;
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 1049 |     fn say_hello(&self) -> String{
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `farewall_to` is never used
[INFO] [stdout]     --> src/main.rs:1066:8
[INFO] [stdout]      |
[INFO] [stdout] 1064 | trait FarewellHello{
[INFO] [stdout]      |       ------------- method in this trait
[INFO] [stdout] 1065 |     fn farewall(&self) -> String;
[INFO] [stdout] 1066 |     fn farewall_to(&self, name: &str) -> String;
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Communication` is never used
[INFO] [stdout]     --> src/main.rs:1142:7
[INFO] [stdout]      |
[INFO] [stdout] 1142 | trait Communication: GreetingHello + FarewellHello{
[INFO] [stdout]      |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]     --> src/main.rs:1146:8
[INFO] [stdout]      |
[INFO] [stdout] 1146 | struct SimpleMan{
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1193:7
[INFO] [stdout]      |
[INFO] [stdout] 1193 | trait GetValue<X> where X: PartialOrd {
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Apple` is never constructed
[INFO] [stdout]     --> src/main.rs:1295:8
[INFO] [stdout]      |
[INFO] [stdout] 1295 | struct Apple{
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1969:8
[INFO] [stdout]      |
[INFO] [stdout] 1969 | struct MyValue<T>{
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]     --> src/main.rs:2000:8
[INFO] [stdout]      |
[INFO] [stdout] 2000 | struct Book<'a>{
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3861edbcfe207a8b1ddd74bbc5154a7de5a5e320c55cd65681c33d6aaeaf396d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3861edbcfe207a8b1ddd74bbc5154a7de5a5e320c55cd65681c33d6aaeaf396d", kill_on_drop: false }`
[INFO] [stdout] 3861edbcfe207a8b1ddd74bbc5154a7de5a5e320c55cd65681c33d6aaeaf396d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbbe0a7340f0439d4e101b465ed84fc0cc629a42eb3358722d053005668d83b
[INFO] running `Command { std: "docker" "start" "-a" "2bbbe0a7340f0439d4e101b465ed84fc0cc629a42eb3358722d053005668d83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]     --> src/main.rs:2078:24
[INFO] [stdout]      |
[INFO] [stdout] 2078 |         println!("{}", COUNTER);
[INFO] [stdout]      |                        ^^^^^^^ shared reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "2bbbe0a7340f0439d4e101b465ed84fc0cc629a42eb3358722d053005668d83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbbe0a7340f0439d4e101b465ed84fc0cc629a42eb3358722d053005668d83b", kill_on_drop: false }`
[INFO] [stdout] 2bbbe0a7340f0439d4e101b465ed84fc0cc629a42eb3358722d053005668d83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da141cdf261dff8b14a7944dd5505147c9b33844c91d1b178e2047b3544f4de3
[INFO] running `Command { std: "docker" "start" "-a" "da141cdf261dff8b14a7944dd5505147c9b33844c91d1b178e2047b3544f4de3", kill_on_drop: false }`
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]     --> src/main.rs:2078:24
[INFO] [stderr]      |
[INFO] [stderr] 2078 |         println!("{}", COUNTER);
[INFO] [stderr]      |                        ^^^^^^^ shared reference to mutable static
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]      = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `belajar-rust` (bin "belajar-rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/belajar_rust-d51ece7cf6cdae30)
[INFO] [stdout] 
[INFO] [stdout] running 116 tests
[INFO] [stdout] test alias_test ... ok
[INFO] [stdout] test array_test ... ok
[INFO] [stdout] test array_while_test ... ok
[INFO] [stdout] test associated_function_test ... ok
[INFO] [stdout] test array_for_test ... ok
[INFO] [stdout] test augmented_assignment_test ... ok
[INFO] [stdout] test boolean_test ... ok
[INFO] [stdout] test borrowing_test ... ok
[INFO] [stdout] test btree_set_test ... ok
[INFO] [stdout] test btree_test ... ok
[INFO] [stdout] test char_test ... ok
[INFO] [stdout] test boolean_operator_test ... ok
[INFO] [stdout] test clone_change_ownership_heap ... ok
[INFO] [stdout] test closure_function_test ... ok
[INFO] [stdout] test cleanup_test ... ok
[INFO] [stdout] test closure_scope_alternate_test ... ok
[INFO] [stdout] test closure_test ... ok
[INFO] [stdout] test constant_test ... ok
[INFO] [stdout] test comparing_test ... ok
[INFO] [stdout] test copy_data_stack ... ok
[INFO] [stdout] test dereference_parameter_test ... ok
[INFO] [stdout] test dereference_test ... ok
[INFO] [stdout] test dereference_value_test ... ok
[INFO] [stdout] test dangling_reference_test ... ok
[INFO] [stdout] test enum_test ... ok
[INFO] [stdout] test explicit_implicit_test ... ok
[INFO] [stdout] test enum_method_test ... ok
[INFO] [stdout] test generic_enum_test ... ok
[INFO] [stdout] test formatting_test ... ok
[INFO] [stdout] test generic_function_test ... ok
[INFO] [stdout] test function_test ... ok
[INFO] [stdout] test hashset_test ... ok
[INFO] [stdout] test generic_method_test ... ok
[INFO] [stdout] test iterator_function_test ... ok
[INFO] [stdout] test generic_type_bound_test ... ok
[INFO] [stdout] test label_loop_condition_test ... ok
[INFO] [stdout] test hash_map_test ... ok
[INFO] [stdout] test let_loop_condition_test ... ok
[INFO] [stdout] test closure_scope_test ... ok
[INFO] [stdout] test lifetime_annotation_dangling_test ... ok
[INFO] [stdout] test generic_test ... ok
[INFO] [stdout] test if_expression_test ... ok
[INFO] [stdout] test iterator_test ... ok
[INFO] [stdout] test let_expression_test ... ok
[INFO] [stdout] test closure_parameter_test ... ok
[INFO] [stdout] test lifetime_struct_generic_test ... ok
[INFO] [stdout] test loop_condition_test ... ok
[INFO] [stdout] test lifetime_struct_method_test ... ok
[INFO] [stdout] test main_test ... ok
[INFO] [stdout] test match_destruct_struct_test_1 ... ok
[INFO] [stdout] test lifetime_struct_test ... ok
[INFO] [stdout] test match_destruct_struct_test_2 ... ok
[INFO] [stdout] test match_destruct_enum_test ... ok
[INFO] [stdout] test match_expression_test ... ok
[INFO] [stdout] test match_enum_test ... ok
[INFO] [stdout] test linked_list_test ... ok
[INFO] [stdout] test lifetime_annotation_test ... ok
[INFO] [stdout] test macro_test ... ok
[INFO] [stdout] test match_ignoring ... ok
[INFO] [stdout] test interior_mut_test ... ok
[INFO] [stdout] test match_range_test ... ok
[INFO] [stdout] test match_value_test ... ok
[INFO] [stdout] test mod_hello_test ... ok
[INFO] [stdout] test mod_info_test ... ok
[INFO] [stdout] test mod_model_test ... ok
[INFO] [stdout] test multiple_ownership_test ... ok
[INFO] [stdout] test match_ignoring_range_test ... ok
[INFO] [stdout] test number_conversion_test ... ok
[INFO] [stdout] test numeric_operation_test ... ok
[INFO] [stdout] test option_test ... ok
[INFO] [stdout] test match_multiple_value_test ... ok
[INFO] [stdout] test overloadable_test ... ok
[INFO] [stdout] test ownerhship_function ... ok
[INFO] [stdout] test ownership_rules ... ok
[INFO] [stdout] test method_test ... ok
[INFO] [stdout] test number_test ... ok
[INFO] [stdout] test range_inclusive_test ... ok
[INFO] [stdout] test recoverable_error_test ... ok
[INFO] [stdout] test reference_ownership_test ... ok
[INFO] [stdout] test question_mark_operator_test ... ok
[INFO] [stdout] test slicing_string_test ... ok
[INFO] [stdout] test smart_pointer_recursice_field_test ... ok
[INFO] [stdout] test smart_pointer_test ... ok
[INFO] [stdout] test static_test ... ok
[INFO] [stdout] test static_unsafe_test ... ok
[INFO] [stdout] test shadowing_test ... ok
[INFO] [stdout] test return_back_ownership ... ok
[INFO] [stdout] test string_format_test ... ok
[INFO] [stdout] test string_and_slice_test ... ok
[INFO] [stdout] test range_exclusive_test ... ok
[INFO] [stdout] test string_slice_test ... ok
[INFO] [stdout] test string_test ... ok
[INFO] [stdout] test struct_function_test ... ok
[INFO] [stdout] test heap_stack_test ... ok
[INFO] [stdout] test struct_partial_update_test ... ok
[INFO] [stdout] test struct_init_shorthand_test ... ok
[INFO] [stdout] test struct_tuple_test ... ok
[INFO] [stdout] test struct_unit_test ... ok
[INFO] [stdout] test struct_update_test ... ok
[INFO] [stdout] test take_over_ownership ... ok
[INFO] [stdout] test trait_conflict_name_test ... ok
[INFO] [stdout] test trait_return_test ... ok
[INFO] [stdout] test trait_super_test ... ok
[INFO] [stdout] test slicing_array_test ... ok
[INFO] [stdout] test trait_test ... ok
[INFO] [stdout] test variable_scope_test ... ok
[INFO] [stdout] test struct_test ... ok
[INFO] [stdout] test variable_test ... ok
[INFO] [stdout] test vecdeque_test ... ok
[INFO] [stdout] test tuple_test ... ok
[INFO] [stdout] test while_condition_test ... ok
[INFO] [stdout] test vector_test ... ok
[INFO] [stdout] test unit_test ... ok
[INFO] [stdout] test unrecoverable_error_test ... FAILED
[INFO] [stdout] test comparison_test ... ok
[INFO] [stdout] test enum_data_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- unrecoverable_error_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'unrecoverable_error_test' (135) panicked at src/main.rs:1729:17:
[INFO] [stdout] No Server found to online
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63fc2c5a5222 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63fc2c5a5222 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63fc2c5a5222 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63fc2c5a5222 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63fc2c5b6a6a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63fc2c5b6a6a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x63fc2c5741a6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63fc2c5741a6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x63fc2c584709 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63fc2c584709 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63fc2c5845a1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x63fc2c548c4e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x63fc2c548c4e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x63fc2c584982 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x63fc2c584982 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x63fc2c5847fa - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x63fc2c57fd59 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x63fc2c568d9d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x63fc2c5be2bc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x63fc2c4feaf9 - belajar_rust::connect_server::habd32707f6042674
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:1729:17
[INFO] [stdout]   20:     0x63fc2c505e7a - belajar_rust::unrecoverable_error_test::h0218c129d1a6beee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:1775:5
[INFO] [stdout]   21:     0x63fc2c505e97 - belajar_rust::unrecoverable_error_test::{{closure}}::h48445c798ee4c6a2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:1773:30
[INFO] [stdout]   22:     0x63fc2c523a56 - core::ops::function::FnOnce::call_once::hc8d6086a8ee3edd5
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x63fc2c548a4b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63fc2c548a4b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x63fc2c55c41a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x63fc2c55c41a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x63fc2c55c41a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x63fc2c55c41a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x63fc2c55c41a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63fc2c55c41a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x63fc2c55c41a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x63fc2c536874 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x63fc2c536874 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x63fc2c53a132 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x63fc2c53a132 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x63fc2c53a132 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x63fc2c53a132 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x63fc2c53a132 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x63fc2c53a132 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x63fc2c53a132 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x63fc2c57afef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x63fc2c57afef - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7b52e53e7aa4 - <unknown>
[INFO] [stdout]   44:     0x7b52e5474a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     unrecoverable_error_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 115 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin belajar-rust`
[INFO] running `Command { std: "docker" "inspect" "da141cdf261dff8b14a7944dd5505147c9b33844c91d1b178e2047b3544f4de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da141cdf261dff8b14a7944dd5505147c9b33844c91d1b178e2047b3544f4de3", kill_on_drop: false }`
[INFO] [stdout] da141cdf261dff8b14a7944dd5505147c9b33844c91d1b178e2047b3544f4de3
