[INFO] fetching crate jinglebells 0.1.0...
[INFO] testing jinglebells-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate jinglebells 0.1.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jinglebells 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d74bf00087c5906c039111c559346c7b081ff7a41effbb0fc688c2d61cfff647
[INFO] running `Command { std: "docker" "start" "-a" "d74bf00087c5906c039111c559346c7b081ff7a41effbb0fc688c2d61cfff647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74bf00087c5906c039111c559346c7b081ff7a41effbb0fc688c2d61cfff647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74bf00087c5906c039111c559346c7b081ff7a41effbb0fc688c2d61cfff647", kill_on_drop: false }`
[INFO] [stdout] d74bf00087c5906c039111c559346c7b081ff7a41effbb0fc688c2d61cfff647
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f8e4722b1d034a50a729214c5b79c7d764f9ac06576ddedd36c38364472e33
[INFO] running `Command { std: "docker" "start" "-a" "12f8e4722b1d034a50a729214c5b79c7d764f9ac06576ddedd36c38364472e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling cpal v0.16.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-aac 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-bundle-flac 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-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rodio v0.21.1
[INFO] [stderr]    Compiling jinglebells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.51s
[INFO] running `Command { std: "docker" "inspect" "12f8e4722b1d034a50a729214c5b79c7d764f9ac06576ddedd36c38364472e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f8e4722b1d034a50a729214c5b79c7d764f9ac06576ddedd36c38364472e33", kill_on_drop: false }`
[INFO] [stdout] 12f8e4722b1d034a50a729214c5b79c7d764f9ac06576ddedd36c38364472e33
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5756b655e7d66b87afa37d88fa2b243f1739e57733f1f4776e1e10265aac8b
[INFO] running `Command { std: "docker" "start" "-a" "6a5756b655e7d66b87afa37d88fa2b243f1739e57733f1f4776e1e10265aac8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jinglebells v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "6a5756b655e7d66b87afa37d88fa2b243f1739e57733f1f4776e1e10265aac8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5756b655e7d66b87afa37d88fa2b243f1739e57733f1f4776e1e10265aac8b", kill_on_drop: false }`
[INFO] [stdout] 6a5756b655e7d66b87afa37d88fa2b243f1739e57733f1f4776e1e10265aac8b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f02ebf512bd95253dca0ede12fa5aae546b18525992625cef8b5a46baf038518
[INFO] running `Command { std: "docker" "start" "-a" "f02ebf512bd95253dca0ede12fa5aae546b18525992625cef8b5a46baf038518", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[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_layered_oscillator_detune ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_harmonic ... ok
[INFO] [stdout] test effects::tests::test_agc ... ok
[INFO] [stdout] test audio::tests::test_oscillator_sample_generation ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_creation ... ok
[INFO] [stdout] test audio::tests::test_layered_oscillator_sample_generation ... ok
[INFO] [stdout] test effects::tests::test_delay_buffer ... ok
[INFO] [stdout] test effects::tests::test_echo_effect ... ok
[INFO] [stdout] test effects::tests::test_lowpass_effect ... ok
[INFO] [stdout] test effects::tests::test_lowpass_filter ... ok
[INFO] [stdout] test effects::tests::test_normalize_samples ... ok
[INFO] [stdout] test effects::tests::test_peak_normalize ... ok
[INFO] [stdout] test export::tests::test_fork_generator ... ok
[INFO] [stdout] test export::tests::test_generator_creation ... ok
[INFO] [stdout] test export::tests::test_derive_seed ... ok
[INFO] [stdout] test export::tests::test_seed_reset ... ok
[INFO] [stdout] test export::tests::test_seeded_generation ... ok
[INFO] [stdout] test export::tests::test_tone_generation ... ok
[INFO] [stdout] test music::tests::test_chord_notes ... ok
[INFO] [stdout] test export::tests::test_string_seed ... ok
[INFO] [stdout] test music::tests::test_note_frequency ... ok
[INFO] [stdout] test music::tests::test_scale_notes ... ok
[INFO] [stdout] test effects::tests::test_agc_effect ... ok
[INFO] [stdout] test export::tests::test_no_seed_operations ... ok
[INFO] [stdout] test export::tests::test_sample_combination ... ok
[INFO] [stdout] test effects::tests::test_reverb_effect ... ok
[INFO] [stdout] test presets::tests::test_preset_names ... ok
[INFO] [stdout] test presets::tests::test_notification_jingle ... ok
[INFO] [stdout] test export::tests::test_melody_sample_generation ... ok
[INFO] [stdout] test audio::tests::test_oscillator_creation ... 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 0.05s
[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' (80) panicked at /tmp/rustdoctestHbY4VM/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:     0x558c6b0919ea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x558c6b0919ea - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x558c6b0919ea - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x558c6b0919ea - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x558c6b0a5fda - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x558c6b0a5fda - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x558c6b096f22 - std[b80a194dd3c418bb]::io::default_write_fmt::<std[b80a194dd3c418bb]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x558c6b096f22 - <std[b80a194dd3c418bb]::sys::stdio::unix::Stderr as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x558c6b0708bf - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x558c6b0708bf - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x558c6b089e21 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x558c6b089fdb - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x558c6b070978 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x558c6b068239 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x558c6b0717ad - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x558c6b0a688c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x558c6b0a6602 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x558c6afd70e0 - doctest_bundle_2024::__doctest_0::main::h886d0f72a3f2432e
[INFO] [stdout]   18:     0x558c6afd7166 - doctest_bundle_2024::__doctest_0::__main_fn::h1be737445bfcaf40
[INFO] [stdout]   19:     0x558c6afd32e0 - doctest_runner_2024[fde4f6ad3be3a7ff]::__doctest_0::TEST::{closure#0}
[INFO] [stdout]   20:     0x558c6afd68f6 - <doctest_runner_2024[fde4f6ad3be3a7ff]::__doctest_0::TEST::{closure#0} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x558c6afd37f9 - doctest_runner_2024[fde4f6ad3be3a7ff]::main
[INFO] [stdout]   22:     0x558c6afd6853 - <fn() -> std[b80a194dd3c418bb]::process::ExitCode as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   23:     0x558c6afd2bf6 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[b80a194dd3c418bb]::process::ExitCode, std[b80a194dd3c418bb]::process::ExitCode>
[INFO] [stdout]   24:     0x558c6afd3109 - std[b80a194dd3c418bb]::rt::lang_start::<std[b80a194dd3c418bb]::process::ExitCode>::{closure#0}
[INFO] [stdout]   25:     0x558c6b088aa4 - <&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   26:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panicking::catch_unwind::<i32, &dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panic::catch_unwind::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x558c6b088aa4 - std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panicking::catch_unwind::<isize, std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x558c6b088aa4 - std[b80a194dd3c418bb]::panic::catch_unwind::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x558c6b088aa4 - std[b80a194dd3c418bb]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x558c6afd2ac1 - std[b80a194dd3c418bb]::rt::lang_start::<std[b80a194dd3c418bb]::process::ExitCode>
[INFO] [stdout]   35:     0x558c6afd69f5 - main
[INFO] [stdout]   36:     0x794e6727b1ca - <unknown>
[INFO] [stdout]   37:     0x794e6727b28b - __libc_start_main
[INFO] [stdout]   38:     0x558c6afd0f55 - _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 0.04s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.89s; merged doctests compilation took 0.83s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f02ebf512bd95253dca0ede12fa5aae546b18525992625cef8b5a46baf038518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02ebf512bd95253dca0ede12fa5aae546b18525992625cef8b5a46baf038518", kill_on_drop: false }`
[INFO] [stdout] f02ebf512bd95253dca0ede12fa5aae546b18525992625cef8b5a46baf038518
