[INFO] fetching crate jinglebells 0.1.0...
[INFO] testing jinglebells-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate jinglebells 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate jinglebells 0.1.0
[INFO] finished tweaking crates.io crate jinglebells 0.1.0
[INFO] tweaked toml for crates.io crate jinglebells 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jinglebells 0.1.0 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 jinglebells 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ac5e07f9c8e32f6266c516ed0a1812650a89525529d2a9664a10721fe5ed1122
[INFO] running `Command { std: "docker" "start" "-a" "ac5e07f9c8e32f6266c516ed0a1812650a89525529d2a9664a10721fe5ed1122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5e07f9c8e32f6266c516ed0a1812650a89525529d2a9664a10721fe5ed1122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5e07f9c8e32f6266c516ed0a1812650a89525529d2a9664a10721fe5ed1122", kill_on_drop: false }`
[INFO] [stdout] ac5e07f9c8e32f6266c516ed0a1812650a89525529d2a9664a10721fe5ed1122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91c85445c2aa460188d63716f9804bdee0e610da160cb25f49aea3d5bbef4089
[INFO] running `Command { std: "docker" "start" "-a" "91c85445c2aa460188d63716f9804bdee0e610da160cb25f49aea3d5bbef4089", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling cpal v0.16.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling clap_builder v4.5.42
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling symphonia-codec-aac v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.4
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rodio v0.21.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling clap v4.5.42
[INFO] [stderr]    Compiling jinglebells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.67s
[INFO] running `Command { std: "docker" "inspect" "91c85445c2aa460188d63716f9804bdee0e610da160cb25f49aea3d5bbef4089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c85445c2aa460188d63716f9804bdee0e610da160cb25f49aea3d5bbef4089", kill_on_drop: false }`
[INFO] [stdout] 91c85445c2aa460188d63716f9804bdee0e610da160cb25f49aea3d5bbef4089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d71edf6bb0b4da3b9940d5236d159c600aa46445e98c48a533b8761c3cff655e
[INFO] running `Command { std: "docker" "start" "-a" "d71edf6bb0b4da3b9940d5236d159c600aa46445e98c48a533b8761c3cff655e", kill_on_drop: false }`
[INFO] [stderr]    Compiling jinglebells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "d71edf6bb0b4da3b9940d5236d159c600aa46445e98c48a533b8761c3cff655e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71edf6bb0b4da3b9940d5236d159c600aa46445e98c48a533b8761c3cff655e", kill_on_drop: false }`
[INFO] [stdout] d71edf6bb0b4da3b9940d5236d159c600aa46445e98c48a533b8761c3cff655e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2377339e9a96ee535c7b47e1aca100bbe2497adb4cc7c315297dd609bbcd666e
[INFO] running `Command { std: "docker" "start" "-a" "2377339e9a96ee535c7b47e1aca100bbe2497adb4cc7c315297dd609bbcd666e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jinglebells-001cd8be07ce925e)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test audio::tests::test_adsr_envelope ... ok
[INFO] [stdout] test audio::tests::test_oscillator_creation ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_harmonic ... ok
[INFO] [stdout] test effects::tests::test_lowpass_filter ... ok
[INFO] [stdout] test audio::tests::test_oscillator_sample_generation ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_creation ... ok
[INFO] [stdout] test effects::tests::test_lowpass_effect ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_sample_generation ... ok
[INFO] [stdout] test effects::tests::test_normalize_samples ... ok
[INFO] [stdout] test effects::tests::test_agc_effect ... ok
[INFO] [stdout] test effects::tests::test_echo_effect ... ok
[INFO] [stdout] test effects::tests::test_delay_buffer ... ok
[INFO] [stdout] test effects::tests::test_peak_normalize ... ok
[INFO] [stdout] test effects::tests::test_agc ... ok
[INFO] [stdout] test effects::tests::test_reverb_effect ... ok
[INFO] [stdout] test export::tests::test_no_seed_operations ... ok
[INFO] [stdout] test export::tests::test_derive_seed ... ok
[INFO] [stdout] test export::tests::test_sample_combination ... ok
[INFO] [stdout] test export::tests::test_seed_reset ... ok
[INFO] [stdout] test export::tests::test_string_seed ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_detune ... ok
[INFO] [stdout] test music::tests::test_chord_notes ... ok
[INFO] [stdout] test export::tests::test_tone_generation ... ok
[INFO] [stdout] test presets::tests::test_notification_jingle ... ok
[INFO] [stdout] test export::tests::test_melody_sample_generation ... ok
[INFO] [stdout] test music::tests::test_scale_notes ... ok
[INFO] [stdout] test export::tests::test_seeded_generation ... ok
[INFO] [stdout] test export::tests::test_fork_generator ... ok
[INFO] [stdout] test export::tests::test_generator_creation ... ok
[INFO] [stdout] test presets::tests::test_preset_names ... ok
[INFO] [stdout] test music::tests::test_note_frequency ... ok
[INFO] [stdout] test presets::tests::test_all_presets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jinglebells-c863ae7d19fde88c)
[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]    Doc-tests jinglebells
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (96) panicked at /tmp/rustdoctestm8bvgf/doctest_bundle_2024.rs:10:55:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: WavError(IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5db3539a05d2 - 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:     0x5db3539a05d2 - 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:     0x5db3539a05d2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5db3539a05d2 - <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:     0x5db3539b0e5a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5db3539b0e5a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5db35396ee66 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5db35396ee66 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5db35397f9b9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5db35397f9b9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5db35397f819 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5db35397fbfb - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5db35397fa78 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5db35397afa9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5db353963b1d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5db3539b82fc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5db3539b7b02 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5db3538e0840 - doctest_bundle_2024::__doctest_0::main::h79bbaa92649115af
[INFO] [stdout]   18:     0x5db3538e08c6 - doctest_bundle_2024::__doctest_0::__main_fn::ha6808662485eabc9
[INFO] [stdout]   19:     0x5db3538dc9e0 - doctest_runner_2024[693732edf23c8221]::__doctest_0::TEST::{closure#0}
[INFO] [stdout]   20:     0x5db3538e0056 - <doctest_runner_2024[693732edf23c8221]::__doctest_0::TEST::{closure#0} as core[8f63ddeb68e21f74]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x5db3538dcef9 - doctest_runner_2024[693732edf23c8221]::main
[INFO] [stdout]   22:     0x5db3538dffb3 - <fn() -> std[a6ffc322ab77e72b]::process::ExitCode as core[8f63ddeb68e21f74]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   23:     0x5db3538dc2f6 - std[a6ffc322ab77e72b]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[a6ffc322ab77e72b]::process::ExitCode, std[a6ffc322ab77e72b]::process::ExitCode>
[INFO] [stdout]   24:     0x5db3538dc809 - std[a6ffc322ab77e72b]::rt::lang_start::<std[a6ffc322ab77e72b]::process::ExitCode>::{closure#0}
[INFO] [stdout]   25:     0x5db353970a26 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   26:     0x5db353970a26 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5db353970a26 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5db353970a26 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5db353970a26 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x5db353970a26 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5db353970a26 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5db353970a26 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5db353970a26 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x5db3538dc1c1 - std[a6ffc322ab77e72b]::rt::lang_start::<std[a6ffc322ab77e72b]::process::ExitCode>
[INFO] [stdout]   35:     0x5db3538e0155 - main
[INFO] [stdout]   36:     0x7aa2c03c21ca - <unknown>
[INFO] [stdout]   37:     0x7aa2c03c228b - __libc_start_main
[INFO] [stdout]   38:     0x5db3538da655 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.90s; merged doctests compilation took 0.83s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2377339e9a96ee535c7b47e1aca100bbe2497adb4cc7c315297dd609bbcd666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2377339e9a96ee535c7b47e1aca100bbe2497adb4cc7c315297dd609bbcd666e", kill_on_drop: false }`
[INFO] [stdout] 2377339e9a96ee535c7b47e1aca100bbe2497adb4cc7c315297dd609bbcd666e
