[INFO] fetching crate horizontal_mixer 0.1.3...
[INFO] testing horizontal_mixer-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate horizontal_mixer 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate horizontal_mixer 0.1.3
[INFO] finished tweaking crates.io crate horizontal_mixer 0.1.3
[INFO] tweaked toml for crates.io crate horizontal_mixer 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate horizontal_mixer 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages to latest compatible versions
[INFO] [stderr]       Adding kira v0.8.7 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extended v0.1.0
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.5
[INFO] [stderr]   Downloaded symphonia v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.5
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-riff v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.5
[INFO] [stderr]   Downloaded atomic-arena v0.1.2
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.17
[INFO] [stderr]   Downloaded oboe v0.6.1
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]   Downloaded coreaudio-rs v0.11.3
[INFO] [stderr]   Downloaded kira v0.8.7
[INFO] [stderr]   Downloaded symphonia-core v0.5.5
[INFO] [stderr]   Downloaded ringbuf v0.3.3
[INFO] [stderr]   Downloaded cpal v0.15.3
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.5
[INFO] [stderr]   Downloaded oboe-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2ee84328d14c1a69041bcce9e650c1ae2d3df6be8f567b18a50b48d8213c07
[INFO] running `Command { std: "docker" "start" "-a" "5a2ee84328d14c1a69041bcce9e650c1ae2d3df6be8f567b18a50b48d8213c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2ee84328d14c1a69041bcce9e650c1ae2d3df6be8f567b18a50b48d8213c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2ee84328d14c1a69041bcce9e650c1ae2d3df6be8f567b18a50b48d8213c07", kill_on_drop: false }`
[INFO] [stdout] 5a2ee84328d14c1a69041bcce9e650c1ae2d3df6be8f567b18a50b48d8213c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b8535cf89a4949f6063b8efa907efa93e61f1f1c193b375b8623eacd5762906
[INFO] running `Command { std: "docker" "start" "-a" "0b8535cf89a4949f6063b8efa907efa93e61f1f1c193b375b8623eacd5762906", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.24.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling mint v0.5.9
[INFO] [stderr]    Compiling atomic-arena v0.1.2
[INFO] [stderr]    Compiling symphonia-core v0.5.5
[INFO] [stderr]    Compiling glam v0.25.0
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling symphonia-metadata v0.5.5
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.5
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.5
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.5
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.5
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.5
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.5
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.5
[INFO] [stderr]    Compiling symphonia v0.5.5
[INFO] [stderr]    Compiling kira v0.8.7
[INFO] [stderr]    Compiling horizontal_mixer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `Command { std: "docker" "inspect" "0b8535cf89a4949f6063b8efa907efa93e61f1f1c193b375b8623eacd5762906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8535cf89a4949f6063b8efa907efa93e61f1f1c193b375b8623eacd5762906", kill_on_drop: false }`
[INFO] [stdout] 0b8535cf89a4949f6063b8efa907efa93e61f1f1c193b375b8623eacd5762906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053836b8bf7bb675c5cdb0d3f8848065244c7fbb03a5777f37fb2402ef4f8b9a
[INFO] running `Command { std: "docker" "start" "-a" "053836b8bf7bb675c5cdb0d3f8848065244c7fbb03a5777f37fb2402ef4f8b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling horizontal_mixer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "053836b8bf7bb675c5cdb0d3f8848065244c7fbb03a5777f37fb2402ef4f8b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053836b8bf7bb675c5cdb0d3f8848065244c7fbb03a5777f37fb2402ef4f8b9a", kill_on_drop: false }`
[INFO] [stdout] 053836b8bf7bb675c5cdb0d3f8848065244c7fbb03a5777f37fb2402ef4f8b9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a74a4eb464fcdda452b875248734ef9049ca6c6b2ecdeb247aff0c9952872b0e
[INFO] running `Command { std: "docker" "start" "-a" "a74a4eb464fcdda452b875248734ef9049ca6c6b2ecdeb247aff0c9952872b0e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/horizontal_mixer-0ab467a48591e6a8)
[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 horizontal_mixer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
[INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
[INFO] [stdout] ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
[INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
[INFO] [stdout] ALSA lib confmisc.c:1342:(snd_func_refer) error evaluating name
[INFO] [stdout] ALSA lib conf.c:5204:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
[INFO] [stdout] ALSA lib conf.c:5727:(snd_config_expand) Evaluate error: No such file or directory
[INFO] [stdout] ALSA lib pcm.c:2721:(snd_pcm_open_noupdate) Unknown PCM default
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (39) panicked at src/lib.rs:26:82:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DefaultStreamConfigError(DeviceNotAvailable)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x653802fe5aa2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x653802fe5aa2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x653802fe5aa2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x653802fe5aa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x653802ff6d6f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x653802ff6d6f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x653802fc1da3 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x653802fc1da3 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x653802fc7e02 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x653802fca23f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x653802fca099 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x653802fca815 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x653802fca6aa - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x653802fc7f49 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x653802fb670d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x653802ffed00 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x653802ffdf96 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x653802d69f68 - core::result::Result<T,E>::unwrap::hf12c57c2b8ab3d67
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1233:23
[INFO] [stdout]   18:     0x653802d69f68 - horizontal_mixer::HorizontalMixer::new::hc6168dedd3c08a75
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:26:82
[INFO] [stdout]   19:     0x653802d6953d - rust_out::main::hbdf05be24bd65ee6
[INFO] [stdout]   20:     0x653802d68fa3 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e
[INFO] [stdout]   21:     0x653802d68f86 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a
[INFO] [stdout]   22:     0x653802d68f69 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95
[INFO] [stdout]   23:     0x653802fc31b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x653802fc31b0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   25:     0x653802fc31b0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   26:     0x653802fc31b0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x653802fc31b0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x653802fc31b0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x653802fc31b0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x653802fc31b0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x653802fc31b0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x653802d68f51 - std::rt::lang_start::h25a068bab729a087
[INFO] [stdout]   33:     0x653802d69645 - main
[INFO] [stdout]   34:     0x732ddba661ca - <unknown>
[INFO] [stdout]   35:     0x732ddba6628b - __libc_start_main
[INFO] [stdout]   36:     0x653802d68e65 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a74a4eb464fcdda452b875248734ef9049ca6c6b2ecdeb247aff0c9952872b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74a4eb464fcdda452b875248734ef9049ca6c6b2ecdeb247aff0c9952872b0e", kill_on_drop: false }`
[INFO] [stdout] a74a4eb464fcdda452b875248734ef9049ca6c6b2ecdeb247aff0c9952872b0e
