[INFO] cloning repository https://github.com/nnlgsakib/nlang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnlgsakib/nlang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnlgsakib%2Fnlang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnlgsakib%2Fnlang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7d0c1e605b98daa26f5643e773cc3d0062b1974
[INFO] testing nnlgsakib/nlang-rs against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnlgsakib%2Fnlang-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nnlgsakib/nlang-rs
[INFO] finished tweaking git repo https://github.com/nnlgsakib/nlang-rs
[INFO] tweaked toml for git repo https://github.com/nnlgsakib/nlang-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nnlgsakib/nlang-rs on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nnlgsakib/nlang-rs 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "ab1f198a0494338c8d6b7d8411a4b323d8e2831aefc4573a91d36365ed6c5cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1f198a0494338c8d6b7d8411a4b323d8e2831aefc4573a91d36365ed6c5cbe", kill_on_drop: false }`
[INFO] [stdout] ab1f198a0494338c8d6b7d8411a4b323d8e2831aefc4573a91d36365ed6c5cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bfd6b041847e017fbfc8f4c15fa56b1787f873cad2bf5c21c3c9bbe9355fc5c
[INFO] running `Command { std: "docker" "start" "-a" "8bfd6b041847e017fbfc8f4c15fa56b1787f873cad2bf5c21c3c9bbe9355fc5c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling nlang v3.0.0 (/opt/rustwide/workdir)
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[INFO] running `Command { std: "docker" "inspect" "8bfd6b041847e017fbfc8f4c15fa56b1787f873cad2bf5c21c3c9bbe9355fc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfd6b041847e017fbfc8f4c15fa56b1787f873cad2bf5c21c3c9bbe9355fc5c", kill_on_drop: false }`
[INFO] [stdout] 8bfd6b041847e017fbfc8f4c15fa56b1787f873cad2bf5c21c3c9bbe9355fc5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cda1556fe31357ca6660b3383d30103098f6e567c5358a11c8c0b2c70ae6b61
[INFO] running `Command { std: "docker" "start" "-a" "8cda1556fe31357ca6660b3383d30103098f6e567c5358a11c8c0b2c70ae6b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling nlang v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "8cda1556fe31357ca6660b3383d30103098f6e567c5358a11c8c0b2c70ae6b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cda1556fe31357ca6660b3383d30103098f6e567c5358a11c8c0b2c70ae6b61", kill_on_drop: false }`
[INFO] [stdout] 8cda1556fe31357ca6660b3383d30103098f6e567c5358a11c8c0b2c70ae6b61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2799e09a6cd1314410579d2d970d48dacf010b109e2c7e4639f6e576a77b691
[INFO] running `Command { std: "docker" "start" "-a" "d2799e09a6cd1314410579d2d970d48dacf010b109e2c7e4639f6e576a77b691", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nlang-faff85eafabd881f)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test execution_engine::tests::test_simple_execution ... ok
[INFO] [stdout] test interpreter::tests::test_pool_add_method ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_arrow_token ... ok
[INFO] [stdout] test interpreter::tests::test_simple_arithmetic ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_basic_tokenization ... ok
[INFO] [stdout] test interpreter::tests::test_array_len_method ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_i32_literal ... ok
[INFO] [stdout] test interpreter::tests::test_vault_index_assignment ... ok
[INFO] [stdout] test interpreter::tests::test_tree_add_method ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_function_declaration ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_operators ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_pick_when_default ... ok
[INFO] [stdout] test lexer::tests::lexer_tests::test_string_literal ... ok
[INFO] [stdout] test nlang_libs::std_lib::tests::test_int_conversion ... ok
[INFO] [stdout] test nlang_libs::std_lib::tests::test_mathematical_functions ... ok
[INFO] [stdout] test nlang_libs::std_lib::tests::test_string_length ... ok
[INFO] [stdout] test nlang_libs::std_lib::tests::test_std_lib_creation ... ok
[INFO] [stdout] test parser::tests::tests::test_function_declaration ... ok
[INFO] [stdout] test parser::tests::tests::test_binary_expression ... ok
[INFO] [stdout] test execution_engine::tests::test_custom_gcc_path_selection ... ok
[INFO] [stdout] test nlang_libs::std_lib::tests::test_builtin_functions ... ok
[INFO] [stdout] test parser::tests::tests::test_variable_declaration ... ok
[INFO] [stdout] test semantic::tests::tests::test_backward_compatibility_regular_integers ... ok
[INFO] [stdout] test semantic::tests::tests::test_borrow_rules_multiple_mut_error ... ok
[INFO] [stdout] test semantic::tests::tests::test_borrow_rules_mut_and_immut_conflict ... ok
[INFO] [stdout] test semantic::tests::tests::test_dangling_reference_return_error ... ok
[INFO] [stdout] test parser::tests::tests::test_i32_literal ... ok
[INFO] [stdout] test parser::tests::tests::test_pick_statement ... ok
[INFO] [stdout] test parser::tests::tests::test_repeat_until_statement ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_arithmetic_operations ... ok
[INFO] [stdout] test parser::tests::tests::test_leading_dot_method_error ... ok
[INFO] [stdout] test parser::tests::tests::test_if_statement ... ok
[INFO] [stdout] test semantic::tests::tests::test_function_declaration ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_division_promotes_to_float ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_comparison_operations ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_function_parameter_and_return ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_literal_type_inference ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_mixed_arithmetic_with_integer ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_unary_negation ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_modulo_operation ... ok
[INFO] [stdout] test semantic::tests::tests::test_i32_mixed_comparison_with_integer ... ok
[INFO] [stdout] test semantic::tests::tests::test_immutability_enforced ... ok
[INFO] [stdout] test semantic::tests::tests::test_repeat_until_boolean_condition ... ok
[INFO] [stdout] test semantic::tests::tests::test_semantic_analysis_basic ... ok
[INFO] [stdout] test semantic::tests::tests::test_mutable_annotation_ok ... ok
[INFO] [stdout] test semantic::type_inference::tests::test_arithmetic_type_inference ... ok
[INFO] [stdout] test semantic::type_inference::tests::test_function_call_type_inference ... ok
[INFO] [stdout] test semantic::type_inference::tests::test_literal_type_inference ... ok
[INFO] [stdout] test semantic::tests::tests::test_variable_assignment ... ok
[INFO] [stdout] test semantic::tests::tests::test_pick_statement_semantic_analysis ... ok
[INFO] [stdout] test semantic::tests::tests::test_undefined_variable ... ok
[INFO] [stdout] test semantic::tests::tests::test_repeat_until_statement_semantic_analysis ... ok
[INFO] [stdout] test semantic::type_inference::tests::test_type_unification ... ok
[INFO] [stdout] test semantic::tests::tests::test_use_after_move_error ... ok
[INFO] [stdout] test execution_engine::tests::codegen_emits_scope_frees_for_owned_values ... ok
[INFO] [stdout] test interpreter::tests::test_string_methods ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- interpreter::tests::test_string_methods stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'interpreter::tests::test_string_methods' (22) panicked at src/interpreter/mod.rs:2588:9:
[INFO] [stdout] assertion failed: result.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6542e96507f2 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6542e96507f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6542e96507f2 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6542e96507f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6542e9663f3a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6542e9663f3a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x6542e9619a26 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6542e9619a26 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6542e962ec99 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6542e962ec99 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6542e962eb31 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6542e8deb36e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6542e8deb36e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6542e962efc2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6542e962efc2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6542e962ed8a - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x6542e9629b09 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6542e960cc0d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6542e966ea8c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6542e966ea52 - core::panicking::panic::hbff2745fd4c5afec
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x6542e8ab02c5 - nlang::interpreter::tests::test_string_methods::h0af0082ec97aca9e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/mod.rs:2588:9
[INFO] [stdout]   21:     0x6542e8ab04d7 - nlang::interpreter::tests::test_string_methods::{{closure}}::ha153e908ea54e2e8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/interpreter/mod.rs:2568:29
[INFO] [stdout]   22:     0x6542e8bf4c76 - core::ops::function::FnOnce::call_once::h80fec02dcb455e6a
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6542e8deb12b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6542e8deb12b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x6542e8dfeb3a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x6542e8dfeb3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x6542e8dfeb3a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x6542e8dfeb3a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x6542e8dfeb3a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x6542e8dfeb3a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x6542e8dfeb3a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x6542e8dd8f94 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x6542e8dd8f94 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x6542e8ddc932 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x6542e8ddc932 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x6542e8ddc932 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x6542e8ddc932 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x6542e8ddc932 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x6542e8ddc932 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x6542e8ddc932 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6542e9624a3f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x6542e9624a3f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x7c514947faa4 - <unknown>
[INFO] [stdout]   44:     0x7c514950ca64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     interpreter::tests::test_string_methods
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 55 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "d2799e09a6cd1314410579d2d970d48dacf010b109e2c7e4639f6e576a77b691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2799e09a6cd1314410579d2d970d48dacf010b109e2c7e4639f6e576a77b691", kill_on_drop: false }`
[INFO] [stdout] d2799e09a6cd1314410579d2d970d48dacf010b109e2c7e4639f6e576a77b691
