[INFO] fetching crate syt 0.1.0...
[INFO] testing syt-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate syt 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate syt 0.1.0
[INFO] finished tweaking crates.io crate syt 0.1.0
[INFO] tweaked toml for crates.io crate syt 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syt 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.23.0
[INFO] [stderr]   Downloaded errno v0.3.14
[INFO] [stderr]   Downloaded libyml v0.0.5
[INFO] [stderr]   Downloaded serde_yml v0.0.12
[INFO] [stderr]   Downloaded rustix v1.1.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c8fc16dd2d57020867ca4320a32160bea45218f7467ea1dc05d15fcf09c9e9
[INFO] running `Command { std: "docker" "start" "-a" "25c8fc16dd2d57020867ca4320a32160bea45218f7467ea1dc05d15fcf09c9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c8fc16dd2d57020867ca4320a32160bea45218f7467ea1dc05d15fcf09c9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c8fc16dd2d57020867ca4320a32160bea45218f7467ea1dc05d15fcf09c9e9", kill_on_drop: false }`
[INFO] [stdout] 25c8fc16dd2d57020867ca4320a32160bea45218f7467ea1dc05d15fcf09c9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54dcf700a36fdb4fce339a963ec9f1227e280d7840e3c1d861fbf232a385c6e
[INFO] running `Command { std: "docker" "start" "-a" "b54dcf700a36fdb4fce339a963ec9f1227e280d7840e3c1d861fbf232a385c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_yml v0.0.12
[INFO] [stderr]    Compiling libyml v0.0.5
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling syt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/comments.rs:294:22
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData> {
[INFO] [stdout]     |                      ^^^^            ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "b54dcf700a36fdb4fce339a963ec9f1227e280d7840e3c1d861fbf232a385c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54dcf700a36fdb4fce339a963ec9f1227e280d7840e3c1d861fbf232a385c6e", kill_on_drop: false }`
[INFO] [stdout] b54dcf700a36fdb4fce339a963ec9f1227e280d7840e3c1d861fbf232a385c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b805c16e8ab73bab86ab30fffa16d38a85edc8b68fff65aab97c8c2da5ea4eb1
[INFO] running `Command { std: "docker" "start" "-a" "b805c16e8ab73bab86ab30fffa16d38a85edc8b68fff65aab97c8c2da5ea4eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/comments.rs:294:22
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData> {
[INFO] [stdout]     |                      ^^^^            ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling syt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/comments.rs:294:22
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData> {
[INFO] [stdout]     |                      ^^^^            ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn get_key_name(str: &str) -> Option<KeyData<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "b805c16e8ab73bab86ab30fffa16d38a85edc8b68fff65aab97c8c2da5ea4eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b805c16e8ab73bab86ab30fffa16d38a85edc8b68fff65aab97c8c2da5ea4eb1", kill_on_drop: false }`
[INFO] [stdout] b805c16e8ab73bab86ab30fffa16d38a85edc8b68fff65aab97c8c2da5ea4eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e011b26d30123c7633fdced1428ae9e5bd7beaaf516075c964194e2ecc6be70
[INFO] running `Command { std: "docker" "start" "-a" "1e011b26d30123c7633fdced1428ae9e5bd7beaaf516075c964194e2ecc6be70", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/comments.rs:294:22
[INFO] [stderr]     |
[INFO] [stderr] 294 | fn get_key_name(str: &str) -> Option<KeyData> {
[INFO] [stderr]     |                      ^^^^            ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 294 | fn get_key_name(str: &str) -> Option<KeyData<'_>> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `syt` (lib) generated 1 warning (run `cargo fix --lib -p syt` to apply 1 suggestion)
[INFO] [stderr] warning: `syt` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syt-f93ffaca92815b2b)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test append::test::append_to_empty_file ... ok
[INFO] [stdout] test append::test::append_to_empty_file_and_lazy_load ... ok
[INFO] [stdout] test comments::tests::test_get_key_name ... ok
[INFO] [stdout] test comments::tests::test_to_string_empty_struct ... ok
[INFO] [stdout] test comments::tests::test_to_string ... ok
[INFO] [stdout] test comments::tests::test_to_string_nested ... ok
[INFO] [stdout] test append::test::append_to_new_file_twice_and_lazy_load_docs ... ok
[INFO] [stdout] test append::test::create_file_if_not_exists ... ok
[INFO] [stdout] test lazy::test::test_lazy_docs_iterator_no_start_doc ... ok
[INFO] [stdout] test comments::tests::test_to_string_round_trip ... ok
[INFO] [stdout] test lazy::test::test_lazy_docs_empty_file ... ok
[INFO] [stdout] test lazy::test::test_lazy_docs_incomplete_yaml ... ok
[INFO] [stdout] test lazy::test::test_lazy_docs_iterator ... ok
[INFO] [stdout] test lazy::test::test_lazy_docs_no_separator ... ok
[INFO] [stdout] test append::test::append_to_existing_file ... ok
[INFO] [stdout] test append::test::handle_write_error ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- append::test::handle_write_error stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'append::test::handle_write_error' (22) panicked at src/append.rs:252:9:
[INFO] [stdout] assertion failed: result.is_err()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fe3ec4525d2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe3ec4525d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe3ec4525d2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fe3ec4525d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e0a3aeea0f9c085
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fe3ec463d1f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5fe3ec463d1f - core::fmt::write::hecf68a131630c74d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5fe3ec41eb41 - std::io::default_write_fmt::ha6b238eff7f0ef8a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe3ec41eb41 - std::io::Write::write_fmt::h9846fe3d2a36c1ea
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5fe3ec42b6f2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5fe3ec43041f - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5fe3ec4302b1 - std::panicking::default_hook::h63f9bf8161c5d325
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5fe3ec35f98e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb8126f8384f98101
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5fe3ec35f98e - test::test_main_with_exit_callback::{{closure}}::hae96ae0cd2f2ce70
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe3ec430adf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha703f6686c81d0c6
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5fe3ec430adf - std::panicking::panic_with_hook::h3173740e06bd0752
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5fe3ec430906 - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5fe3ec42b829 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5fe3ec412b2d - __rustc[de0091b922c53d7e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5fe3ec46d150 - core::panicking::panic_fmt::h5138da2ef87be35b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5fe3ec46d12c - core::panicking::panic::hb515f22c0e98143a
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5fe3ec32a419 - syt::append::test::handle_write_error::h63f9f73d462819d5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/append.rs:252:9
[INFO] [stdout]   21:     0x5fe3ec32a4b7 - syt::append::test::handle_write_error::{{closure}}::he7b93924f85a7f0d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/append.rs:234:28
[INFO] [stdout]   22:     0x5fe3ec33bf46 - core::ops::function::FnOnce::call_once::h36913844c471c09b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fe3ec35f76b - core::ops::function::FnOnce::call_once::h8f50ae93d93b62b4
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fe3ec35f76b - test::__rust_begin_short_backtrace::h447963718d05a644
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5fe3ec3753a5 - test::run_test_in_process::{{closure}}::hf890ba4755ca86c0
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5fe3ec3753a5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31e4b2860e583faa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5fe3ec3753a5 - std::panicking::catch_unwind::do_call::hec7cdbbe797e2cab
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5fe3ec3753a5 - std::panicking::catch_unwind::h24d3b93458b5ba67
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5fe3ec3753a5 - std::panic::catch_unwind::h46eeec7cf9c9336c
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5fe3ec3753a5 - test::run_test_in_process::h290de6e559006104
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5fe3ec3753a5 - test::run_test::{{closure}}::h26eeb2c5f7e9a995
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5fe3ec34bba4 - test::run_test::{{closure}}::h85af00882daabeaa
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5fe3ec34bba4 - std::sys::backtrace::__rust_begin_short_backtrace::h9d9305dda51fa5f2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5fe3ec34f54a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc6aada8b43f0527b
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5fe3ec34f54a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha89fe5505c1206f5
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5fe3ec34f54a - std::panicking::catch_unwind::do_call::he3e0bef721d99583
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5fe3ec34f54a - std::panicking::catch_unwind::ha8241964d3d773cd
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5fe3ec34f54a - std::panic::catch_unwind::ha8554bc7696cae72
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5fe3ec34f54a - std::thread::Builder::spawn_unchecked_::{{closure}}::he06f1f62b4c90f8d
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5fe3ec34f54a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha7fd20ecae19b9b9
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fe3ec426a1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h43642ed9c40e0ab2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   42:     0x5fe3ec426a1f - std::sys::thread::unix::Thread::new::thread_start::h38da0f633f090ce2
[INFO] [stdout]                                at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   43:     0x77c3d6a78aa4 - <unknown>
[INFO] [stdout]   44:     0x77c3d6b05a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     append::test::handle_write_error
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "1e011b26d30123c7633fdced1428ae9e5bd7beaaf516075c964194e2ecc6be70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e011b26d30123c7633fdced1428ae9e5bd7beaaf516075c964194e2ecc6be70", kill_on_drop: false }`
[INFO] [stdout] 1e011b26d30123c7633fdced1428ae9e5bd7beaaf516075c964194e2ecc6be70
