[INFO] fetching crate surge-hound 0.2.11-alpha.0...
[INFO] testing surge-hound-0.2.11-alpha.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate surge-hound 0.2.11-alpha.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate surge-hound 0.2.11-alpha.0
[INFO] finished tweaking crates.io crate surge-hound 0.2.11-alpha.0
[INFO] tweaked toml for crates.io crate surge-hound 0.2.11-alpha.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate surge-hound 0.2.11-alpha.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate surge-hound 0.2.11-alpha.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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488da7866f80bd320c52ceb9234410e2d01c282a4c693e1c40da77fae4d5ce40
[INFO] running `Command { std: "docker" "start" "-a" "488da7866f80bd320c52ceb9234410e2d01c282a4c693e1c40da77fae4d5ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488da7866f80bd320c52ceb9234410e2d01c282a4c693e1c40da77fae4d5ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488da7866f80bd320c52ceb9234410e2d01c282a4c693e1c40da77fae4d5ce40", kill_on_drop: false }`
[INFO] [stdout] 488da7866f80bd320c52ceb9234410e2d01c282a4c693e1c40da77fae4d5ce40
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c30714afb66bd061ac6d1a9798d37d4a1039d0c8bcdfaa933b8e38e904c14c
[INFO] running `Command { std: "docker" "start" "-a" "b5c30714afb66bd061ac6d1a9798d37d4a1039d0c8bcdfaa933b8e38e904c14c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling surge-hound v0.2.11-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "b5c30714afb66bd061ac6d1a9798d37d4a1039d0c8bcdfaa933b8e38e904c14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c30714afb66bd061ac6d1a9798d37d4a1039d0c8bcdfaa933b8e38e904c14c", kill_on_drop: false }`
[INFO] [stdout] b5c30714afb66bd061ac6d1a9798d37d4a1039d0c8bcdfaa933b8e38e904c14c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339eb53e6586dbe27ef12d4c75b420fb436856ee54d80118fec08662f57fae1b
[INFO] running `Command { std: "docker" "start" "-a" "339eb53e6586dbe27ef12d4c75b420fb436856ee54d80118fec08662f57fae1b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling lazy_static v0.2.0
[INFO] [stderr]    Compiling ole32-sys v0.2.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]    Compiling cpal v0.2.12
[INFO] [stderr]    Compiling surge-hound v0.2.11-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `read_i8` is never used
[INFO] [stdout]   --> src/read.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait ReadExt: io::Read {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "339eb53e6586dbe27ef12d4c75b420fb436856ee54d80118fec08662f57fae1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339eb53e6586dbe27ef12d4c75b420fb436856ee54d80118fec08662f57fae1b", kill_on_drop: false }`
[INFO] [stdout] 339eb53e6586dbe27ef12d4c75b420fb436856ee54d80118fec08662f57fae1b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5275887bf6650c5bce0f240712f02a28c089a0685bc23e3934b7cb1b24956bb4
[INFO] running `Command { std: "docker" "start" "-a" "5275887bf6650c5bce0f240712f02a28c089a0685bc23e3934b7cb1b24956bb4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: method `read_i8` is never used
[INFO] [stderr]   --> src/read.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait ReadExt: io::Read {
[INFO] [stderr]    |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 38 |     fn read_i8(&mut self) -> io::Result<i8>;
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `surge-hound` (lib) generated 1 warning
[INFO] [stderr] warning: `surge-hound` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/surge_hound-d80c8047e521a561)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test read::len_and_size_hint_are_correct ... ok
[INFO] [stdout] test read::read_wav_32bit ... ok
[INFO] [stdout] test new_append_does_not_corrupt_files ... ok
[INFO] [stdout] test read::duration_and_len_agree ... ok
[INFO] [stdout] test read::fuzz_crashes_should_be_fixed ... ok
[INFO] [stdout] test read::read_wav_nonstandard_01 ... ok
[INFO] [stdout] test flush_should_produce_valid_file ... ok
[INFO] [stdout] test new_append_should_append ... ok
[INFO] [stdout] test read::read_wav_pcm_wave_format_8bit ... ok
[INFO] [stdout] test read::read_wav_pcm_wave_format_pcm ... ok
[INFO] [stdout] test read::read_wav_skips_unknown_chunks ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_ieee_float ... ok
[INFO] [stdout] test u8_sign_conversion_is_bijective ... ok
[INFO] [stdout] test verify_narrow_to_i16 ... ok
[INFO] [stdout] test read::size_hint_is_exact ... ok
[INFO] [stdout] test verify_narrow_to_i8 ... ok
[INFO] [stdout] test read::sample_format_mismatch_should_signal_error ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_8bit ... ok
[INFO] [stdout] test read::read_wav_stereo ... ok
[INFO] [stdout] test read::samples_equals_into_samples ... ok
[INFO] [stdout] test read::seek_is_consistent ... ok
[INFO] [stdout] test verify_narrow_to_i24 ... ok
[INFO] [stdout] test write::short_write_should_signal_error ... ok
[INFO] [stdout] test write::wide_write_should_signal_error ... ok
[INFO] [stdout] test read::wide_read_should_signal_error ... ok
[INFO] [stdout] test write::verify_channel_mask ... ok
[INFO] [stdout] test write_read_f32_is_lossless ... ok
[INFO] [stdout] test write_read_i16_is_lossless ... ok
[INFO] [stdout] test write_read_i16_via_sample_writer_is_lossless ... ok
[INFO] [stdout] test write_read_i24_is_lossless ... ok
[INFO] [stdout] test write_read_i8_is_lossless ... ok
[INFO] [stdout] test read::read_wav_wave_format_extensible_ieee_float ... ok
[INFO] [stdout] test read::read_wav_wave_format_ex_pcm ... ok
[INFO] [stdout] test read::read_wav_wave_format_extensible_pcm_24bit ... ok
[INFO] [stdout] test append_works_on_files ... FAILED
[INFO] [stdout] test no_32_bps_for_float_sample_format_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- append_works_on_files stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'append_works_on_files' (24) panicked at src/lib.rs:772:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57474839a662 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57474839a662 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57474839a662 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x57474839a662 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5747483ab73f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5747483ab73f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5747483671f1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5747483671f1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x574748373512 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x57474837830f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5747483781a1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x57474833875e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x57474833875e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5747483789cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5747483789cf - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x57474837882a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x574748373649 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x57474835b62d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5747483b3280 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5747483b28d6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x574748306ea1 - core::result::Result<T,E>::unwrap::h137b38a70f972afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x574748306ea1 - surge_hound::append_works_on_files::hd483d768fed109c1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:772:60
[INFO] [stdout]   22:     0x574748307b57 - surge_hound::append_works_on_files::{{closure}}::haddd8d91c0229cb3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:762:27
[INFO] [stdout]   23:     0x5747482fb0b6 - core::ops::function::FnOnce::call_once::hc23e67d95853181d
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57474833851b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57474833851b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x57474834e185 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x57474834e185 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x57474834e185 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x57474834e185 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x57474834e185 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57474834e185 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x57474834e185 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x574748324974 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x574748324974 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x57474832823a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x57474832823a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x57474832823a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x57474832823a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x57474832823a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57474832823a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x57474832823a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57474836e7af - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x57474836e7af - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x76172899faa4 - <unknown>
[INFO] [stdout]   45:     0x761728a2ca34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     append_works_on_files
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5275887bf6650c5bce0f240712f02a28c089a0685bc23e3934b7cb1b24956bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5275887bf6650c5bce0f240712f02a28c089a0685bc23e3934b7cb1b24956bb4", kill_on_drop: false }`
[INFO] [stdout] 5275887bf6650c5bce0f240712f02a28c089a0685bc23e3934b7cb1b24956bb4
