[INFO] fetching crate membuffer 0.3.0...
[INFO] testing membuffer-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate membuffer 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate membuffer 0.3.0
[INFO] finished tweaking crates.io crate membuffer 0.3.0
[INFO] tweaked toml for crates.io crate membuffer 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate membuffer 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b609e0da177cd8ced0ddbc160ed76ec31ee86abf5797964945a38c9da5d405e2
[INFO] running `Command { std: "docker" "start" "-a" "b609e0da177cd8ced0ddbc160ed76ec31ee86abf5797964945a38c9da5d405e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b609e0da177cd8ced0ddbc160ed76ec31ee86abf5797964945a38c9da5d405e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b609e0da177cd8ced0ddbc160ed76ec31ee86abf5797964945a38c9da5d405e2", kill_on_drop: false }`
[INFO] [stdout] b609e0da177cd8ced0ddbc160ed76ec31ee86abf5797964945a38c9da5d405e2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0976954c344ebd97c203fb0b3cb2f1fc3b5439e75ff001e60e9cc5d9591699
[INFO] running `Command { std: "docker" "start" "-a" "be0976954c344ebd97c203fb0b3cb2f1fc3b5439e75ff001e60e9cc5d9591699", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling membuffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "be0976954c344ebd97c203fb0b3cb2f1fc3b5439e75ff001e60e9cc5d9591699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0976954c344ebd97c203fb0b3cb2f1fc3b5439e75ff001e60e9cc5d9591699", kill_on_drop: false }`
[INFO] [stdout] be0976954c344ebd97c203fb0b3cb2f1fc3b5439e75ff001e60e9cc5d9591699
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7801421dccd5e23a655716f3e56aa00510db313b8a12d4857761e8440134d6
[INFO] running `Command { std: "docker" "start" "-a" "eb7801421dccd5e23a655716f3e56aa00510db313b8a12d4857761e8440134d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling membuffer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "eb7801421dccd5e23a655716f3e56aa00510db313b8a12d4857761e8440134d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7801421dccd5e23a655716f3e56aa00510db313b8a12d4857761e8440134d6", kill_on_drop: false }`
[INFO] [stdout] eb7801421dccd5e23a655716f3e56aa00510db313b8a12d4857761e8440134d6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e7c05eac9b92c2de1dac8ca2ecd8b1b1dd8c7e4defc6a24ab90e46a7f6c22e4
[INFO] running `Command { std: "docker" "start" "-a" "3e7c05eac9b92c2de1dac8ca2ecd8b1b1dd8c7e4defc6a24ab90e46a7f6c22e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/membuffer-0d18f18852170fba)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::check_recursive_readers' (23) panicked at src/lib.rs:225:22:
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b21650cf92 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x55b21650cf92 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x55b21650cf92 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x55b21650cf92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x55b21651d7cf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x55b21651d7cf - core::fmt::write::h8a63064c67176fd8
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x55b2164da843 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x55b2164da843 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x55b2164e6902 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x55b2164eb39f - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x55b2164eb1f9 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x55b2164850fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3f5a16438cee2b4e
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stderr]   12:     0x55b2164850fe - test::test_main_with_exit_callback::{{closure}}::h9214498cef9aafc5
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x55b2164eb9af - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb18da3e68df7464
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2019:9
[INFO] [stderr]   14:     0x55b2164eb9af - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x55b2164eb7d6 - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x55b2164e6a39 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x55b2164cf11d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x55b21652501d - core::panicking::panic_nounwind_fmt::runtime::hd5eea0fd564156db
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x55b21652501d - core::panicking::panic_nounwind_fmt::hd9aca48f58eaf762
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/intrinsics/mod.rs:2435:9
[INFO] [stderr]   20:     0x55b216451499 - core::slice::raw::from_raw_parts::precondition_check::hf5cb6da69e23f282
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x55b2164511b9 - core::slice::raw::from_raw_parts::h0993ee0967b0b166
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x55b21645ba0b - membuffer::MemBufferReader::new::ha3e56788a0e4d177
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:225:22
[INFO] [stderr]   23:     0x55b216457c9d - <membuffer::MemBufferReader as membuffer::MemBufferDeserialize<membuffer::MemBufferReader>>::from_mem_buffer::h98a4bc3252ef4780
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:138:22
[INFO] [stderr]   24:     0x55b21645b35b - membuffer::MemBufferReader::intern_load_entry::h3de59c7e3ec8e667
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:184:16
[INFO] [stderr]   25:     0x55b21645b814 - membuffer::MemBufferReader::load_recursive_reader::h0a863f84baabd050
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:202:14
[INFO] [stderr]   26:     0x55b216462261 - membuffer::tests::check_recursive_readers::hb195bf9e4239e9b2
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:649:29
[INFO] [stderr]   27:     0x55b2164626f7 - membuffer::tests::check_recursive_readers::{{closure}}::h589e77866052638f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:634:33
[INFO] [stderr]   28:     0x55b2164501d6 - core::ops::function::FnOnce::call_once::h8ebc7ea8ec29f407
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x55b216484f4b - core::ops::function::FnOnce::call_once::h43f43c5185cf39c2
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   30:     0x55b216484f4b - test::__rust_begin_short_backtrace::hc4fa634eb2764bdc
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:663:18
[INFO] [stderr]   31:     0x55b216499568 - test::run_test_in_process::{{closure}}::h9f4b799a5211b72a
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:74
[INFO] [stderr]   32:     0x55b216499568 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha572bf7dc5230a8f
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   33:     0x55b216499568 - std::panicking::catch_unwind::do_call::hfd6ff51f25dd177b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]   34:     0x55b216499568 - std::panicking::catch_unwind::h8609b446221def5f
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]   35:     0x55b216499568 - std::panic::catch_unwind::h362f73cc48531e26
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]   36:     0x55b216499568 - test::run_test_in_process::hf52fd21d696aae67
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:27
[INFO] [stderr]   37:     0x55b216499568 - test::run_test::{{closure}}::h7e780b8354e6d007
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:607:43
[INFO] [stderr]   38:     0x55b216472334 - test::run_test::{{closure}}::hdc2695f2276aad3e
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:637:41
[INFO] [stderr]   39:     0x55b216472334 - std::sys::backtrace::__rust_begin_short_backtrace::h2555b2113ed90fc9
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   40:     0x55b216475c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h99800d480987dfb6
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   41:     0x55b216475c6a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbbb69b5294b2221b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   42:     0x55b216475c6a - std::panicking::catch_unwind::do_call::h495689350c27df20
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]   43:     0x55b216475c6a - std::panicking::catch_unwind::hf22437c51d1b3740
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]   44:     0x55b216475c6a - std::panic::catch_unwind::habda1a57de8231f8
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]   45:     0x55b216475c6a - std::thread::Builder::spawn_unchecked_::{{closure}}::h5833d8dda8c7e80b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   46:     0x55b216475c6a - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2910283a5058402
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   47:     0x55b2164e1d2f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he4d85cb537521972
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/alloc/src/boxed.rs:2005:9
[INFO] [stderr]   48:     0x55b2164e1d2f - std::sys::thread::unix::Thread::new::thread_start::hbaf586a9e50a98cd
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]   49:     0x7cdd1dd52aa4 - <unknown>
[INFO] [stderr]   50:     0x7cdd1dddfa64 - clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/membuffer-0d18f18852170fba` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "3e7c05eac9b92c2de1dac8ca2ecd8b1b1dd8c7e4defc6a24ab90e46a7f6c22e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7c05eac9b92c2de1dac8ca2ecd8b1b1dd8c7e4defc6a24ab90e46a7f6c22e4", kill_on_drop: false }`
[INFO] [stdout] 3e7c05eac9b92c2de1dac8ca2ecd8b1b1dd8c7e4defc6a24ab90e46a7f6c22e4
