[INFO] fetching crate malloc_buf 1.0.0...
[INFO] testing malloc_buf-1.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate malloc_buf 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate malloc_buf 1.0.0
[INFO] finished tweaking crates.io crate malloc_buf 1.0.0
[INFO] tweaked toml for crates.io crate malloc_buf 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate malloc_buf 1.0.0 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 1 package to latest compatible version
[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] [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5c968f056b69dedeae4b82dd710fd8c7733d3e319aac7884a9c0f4eccb7fa9
[INFO] running `Command { std: "docker" "start" "-a" "9a5c968f056b69dedeae4b82dd710fd8c7733d3e319aac7884a9c0f4eccb7fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5c968f056b69dedeae4b82dd710fd8c7733d3e319aac7884a9c0f4eccb7fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5c968f056b69dedeae4b82dd710fd8c7733d3e319aac7884a9c0f4eccb7fa9", kill_on_drop: false }`
[INFO] [stdout] 9a5c968f056b69dedeae4b82dd710fd8c7733d3e319aac7884a9c0f4eccb7fa9
[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] 534416a7466b0c2e5c92a7e4a909e3797e728018e501cd2bc6775358ad359f94
[INFO] running `Command { std: "docker" "start" "-a" "534416a7466b0c2e5c92a7e4a909e3797e728018e501cd2bc6775358ad359f94", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling malloc_buf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "534416a7466b0c2e5c92a7e4a909e3797e728018e501cd2bc6775358ad359f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534416a7466b0c2e5c92a7e4a909e3797e728018e501cd2bc6775358ad359f94", kill_on_drop: false }`
[INFO] [stdout] 534416a7466b0c2e5c92a7e4a909e3797e728018e501cd2bc6775358ad359f94
[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] a3eff46f3fa19e29dbc4da249120b29944c83bb982a9777cdf3fab8f6795d9b2
[INFO] running `Command { std: "docker" "start" "-a" "a3eff46f3fa19e29dbc4da249120b29944c83bb982a9777cdf3fab8f6795d9b2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling malloc_buf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a3eff46f3fa19e29dbc4da249120b29944c83bb982a9777cdf3fab8f6795d9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3eff46f3fa19e29dbc4da249120b29944c83bb982a9777cdf3fab8f6795d9b2", kill_on_drop: false }`
[INFO] [stdout] a3eff46f3fa19e29dbc4da249120b29944c83bb982a9777cdf3fab8f6795d9b2
[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] b23b9cefa343f1e106767fc1349ccc70ba175338a3a4228832bc7b37f034c02c
[INFO] running `Command { std: "docker" "start" "-a" "b23b9cefa343f1e106767fc1349ccc70ba175338a3a4228832bc7b37f034c02c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/malloc_buf-cbbebfc845921237)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] test tests::test_buf ... ok
[INFO] [stdout] test tests::test_single ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::test_null_buf' (27) panicked at src/lib.rs:48:21:
[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:     0x59cfcbbb6502 - 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:     0x59cfcbbb6502 - 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:     0x59cfcbbb6502 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x59cfcbbb6502 - <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:     0x59cfcbbc64bf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x59cfcbbc64bf - core::fmt::write::h8a63064c67176fd8
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x59cfcbb83db3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x59cfcbb83db3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x59cfcbb8fe72 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x59cfcbb9490f - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x59cfcbb94769 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x59cfcbb56f7e - <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:     0x59cfcbb56f7e - test::test_main_with_exit_callback::{{closure}}::h9214498cef9aafc5
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x59cfcbb94f1f - <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:     0x59cfcbb94f1f - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x59cfcbb94d46 - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x59cfcbb8ffa9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x59cfcbb7868d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x59cfcbbcda8d - core::panicking::panic_nounwind_fmt::runtime::hd5eea0fd564156db
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x59cfcbbcda8d - core::panicking::panic_nounwind_fmt::hd9aca48f58eaf762
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/intrinsics/mod.rs:2435:9
[INFO] [stderr]   20:     0x59cfcbb354b9 - core::slice::raw::from_raw_parts::precondition_check::h2beb5bf89c83573c
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x59cfcbb35187 - core::slice::raw::from_raw_parts::h5862b0e40804cc8d
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x59cfcbb33386 - malloc_buf::Malloc<[T]>::from_array::h73b9f1bd4c800c60
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:21
[INFO] [stderr]   23:     0x59cfcbb33860 - malloc_buf::tests::test_null_buf::hfd1e14f7e68df670
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:129:13
[INFO] [stderr]   24:     0x59cfcbb33997 - malloc_buf::tests::test_null_buf::{{closure}}::h8ff7c19376e82d00
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:127:23
[INFO] [stderr]   25:     0x59cfcbb344f6 - core::ops::function::FnOnce::call_once::hbea58d7a10f4fac4
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   26:     0x59cfcbb56dcb - core::ops::function::FnOnce::call_once::h43f43c5185cf39c2
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   27:     0x59cfcbb56dcb - test::__rust_begin_short_backtrace::hc4fa634eb2764bdc
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:663:18
[INFO] [stderr]   28:     0x59cfcbb6b3e8 - test::run_test_in_process::{{closure}}::h9f4b799a5211b72a
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:74
[INFO] [stderr]   29:     0x59cfcbb6b3e8 - <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]   30:     0x59cfcbb6b3e8 - std::panicking::catch_unwind::do_call::hfd6ff51f25dd177b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]   31:     0x59cfcbb6b3e8 - std::panicking::catch_unwind::h8609b446221def5f
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]   32:     0x59cfcbb6b3e8 - std::panic::catch_unwind::h362f73cc48531e26
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]   33:     0x59cfcbb6b3e8 - test::run_test_in_process::hf52fd21d696aae67
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:686:27
[INFO] [stderr]   34:     0x59cfcbb6b3e8 - test::run_test::{{closure}}::h7e780b8354e6d007
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:607:43
[INFO] [stderr]   35:     0x59cfcbb441b4 - test::run_test::{{closure}}::hdc2695f2276aad3e
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/test/src/lib.rs:637:41
[INFO] [stderr]   36:     0x59cfcbb441b4 - std::sys::backtrace::__rust_begin_short_backtrace::h2555b2113ed90fc9
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   37:     0x59cfcbb47aea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h99800d480987dfb6
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   38:     0x59cfcbb47aea - <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]   39:     0x59cfcbb47aea - std::panicking::catch_unwind::do_call::h495689350c27df20
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]   40:     0x59cfcbb47aea - std::panicking::catch_unwind::hf22437c51d1b3740
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]   41:     0x59cfcbb47aea - std::panic::catch_unwind::habda1a57de8231f8
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]   42:     0x59cfcbb47aea - std::thread::Builder::spawn_unchecked_::{{closure}}::h5833d8dda8c7e80b
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   43:     0x59cfcbb47aea - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2910283a5058402
[INFO] [stderr]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   44:     0x59cfcbb8b29f - <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]   45:     0x59cfcbb8b29f - 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]   46:     0x7c8c02ad1aa4 - <unknown>
[INFO] [stderr]   47:     0x7c8c02b5ea64 - clone
[INFO] [stderr]   48:                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/malloc_buf-cbbebfc845921237` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b23b9cefa343f1e106767fc1349ccc70ba175338a3a4228832bc7b37f034c02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23b9cefa343f1e106767fc1349ccc70ba175338a3a4228832bc7b37f034c02c", kill_on_drop: false }`
[INFO] [stdout] b23b9cefa343f1e106767fc1349ccc70ba175338a3a4228832bc7b37f034c02c
