[INFO] fetching crate nafcodec-py 0.3.1...
[INFO] testing nafcodec-py-0.3.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate nafcodec-py 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nafcodec-py 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nafcodec-py 0.3.1
[INFO] tweaked toml for crates.io crate nafcodec-py 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nafcodec-py 0.3.1 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 crates.io crate nafcodec-py 0.3.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4c5f2d59a9f9119a679c6107f99a21635354d31b33b5b370806f665d7c802139
[INFO] running `Command { std: "docker" "start" "-a" "4c5f2d59a9f9119a679c6107f99a21635354d31b33b5b370806f665d7c802139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5f2d59a9f9119a679c6107f99a21635354d31b33b5b370806f665d7c802139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5f2d59a9f9119a679c6107f99a21635354d31b33b5b370806f665d7c802139", kill_on_drop: false }`
[INFO] [stdout] 4c5f2d59a9f9119a679c6107f99a21635354d31b33b5b370806f665d7c802139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f77def74fd1cac38065d4820509eed408ca24feb231aa6a327071f9dc6746bfd
[INFO] running `Command { std: "docker" "start" "-a" "f77def74fd1cac38065d4820509eed408ca24feb231aa6a327071f9dc6746bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling pyo3-build-config v0.23.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling winnow v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling unindent v0.2.3
[INFO] [stderr]    Compiling pyo3-ffi v0.23.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.4
[INFO] [stderr]    Compiling pyo3 v0.23.4
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling pyo3-built v0.6.0
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling nafcodec v0.3.1
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.4
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.23
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling cargo-lock v10.1.0
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]    Compiling nafcodec-py v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "f77def74fd1cac38065d4820509eed408ca24feb231aa6a327071f9dc6746bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77def74fd1cac38065d4820509eed408ca24feb231aa6a327071f9dc6746bfd", kill_on_drop: false }`
[INFO] [stdout] f77def74fd1cac38065d4820509eed408ca24feb231aa6a327071f9dc6746bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d7fb7537f999a5ab27f673ddc046b3650096a1f574dde2a4a37e82e7f7a2b2c4
[INFO] running `Command { std: "docker" "start" "-a" "d7fb7537f999a5ab27f673ddc046b3650096a1f574dde2a4a37e82e7f7a2b2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling nafcodec-py v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "d7fb7537f999a5ab27f673ddc046b3650096a1f574dde2a4a37e82e7f7a2b2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fb7537f999a5ab27f673ddc046b3650096a1f574dde2a4a37e82e7f7a2b2c4", kill_on_drop: false }`
[INFO] [stdout] d7fb7537f999a5ab27f673ddc046b3650096a1f574dde2a4a37e82e7f7a2b2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2b903360b51818f94978548f125c96943015dcbf6cf9ec1a307553c62f760d7d
[INFO] running `Command { std: "docker" "start" "-a" "2b903360b51818f94978548f125c96943015dcbf6cf9ec1a307553c62f760d7d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests nafcodec/lib.rs (/opt/rustwide/target/debug/deps/nafcodec_py-e8c9d32002fbcc24)
[INFO] [stderr]      Running nafcodec/tests/unittest.rs (/opt/rustwide/target/debug/deps/unittest-5d926d003fcc82b7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (17) panicked at nafcodec/tests/unittest.rs:20:10:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x61a1b1c3d1d2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x61a1b1c3d1d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x61a1b1c3d1d2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x61a1b1c3d1d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x61a1b1c4cc0a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x61a1b1c4cc0a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]    6:     0x61a1b1c1aac6 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x61a1b1c1aac6 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x61a1b1c22599 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x61a1b1c22599 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x61a1b1c223f9 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x61a1b1c2288b - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x61a1b1c2268a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stderr]   13:     0x61a1b1c207d9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x61a1b1c0f98d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x61a1b1c4ff6c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x61a1b1c4ff32 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stderr]   17:     0x61a1b1c4f759 - core::option::unwrap_failed::ha98236786820a324
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:2199:5
[INFO] [stderr]   18:     0x61a1b19e7550 - core::option::Option<T>::unwrap::h675e05e7283ee8f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/option.rs:1016:21
[INFO] [stderr]   19:     0x61a1b19e7550 - unittest::main::h690f8ccf69dc53e9
[INFO] [stderr]                                at /opt/rustwide/workdir/nafcodec/tests/unittest.rs:20:10
[INFO] [stderr]   20:     0x61a1b19e6fc2 - core::ops::function::FnOnce::call_once::h1a30b6ccf4ff44b8
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x61a1b19e6f45 - std::sys::backtrace::__rust_begin_short_backtrace::hd318d4fd0e5088f5
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   22:     0x61a1b19e6ef4 - std::rt::lang_start::{{closure}}::h5105ba66b066094c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:206:18
[INFO] [stderr]   23:     0x61a1b1c1c126 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   24:     0x61a1b1c1c126 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   25:     0x61a1b1c1c126 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   26:     0x61a1b1c1c126 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   27:     0x61a1b1c1c126 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stderr]   28:     0x61a1b1c1c126 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]   29:     0x61a1b1c1c126 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]   30:     0x61a1b1c1c126 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x61a1b1c1c126 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stderr]   32:     0x61a1b19e6ed7 - std::rt::lang_start::he60cd2589254d730
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:205:5
[INFO] [stderr]   33:     0x61a1b19e841e - main
[INFO] [stderr]   34:     0x7f5420ad71ca - <unknown>
[INFO] [stderr]   35:     0x7f5420ad728b - __libc_start_main
[INFO] [stderr]   36:     0x61a1b19e6325 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test unittest`
[INFO] running `Command { std: "docker" "inspect" "2b903360b51818f94978548f125c96943015dcbf6cf9ec1a307553c62f760d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b903360b51818f94978548f125c96943015dcbf6cf9ec1a307553c62f760d7d", kill_on_drop: false }`
[INFO] [stdout] 2b903360b51818f94978548f125c96943015dcbf6cf9ec1a307553c62f760d7d
