[INFO] fetching crate second-stack 0.3.5...
[INFO] testing second-stack-0.3.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate second-stack 0.3.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate second-stack 0.3.5
[INFO] finished tweaking crates.io crate second-stack 0.3.5
[INFO] tweaked toml for crates.io crate second-stack 0.3.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate second-stack 0.3.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a5e33cee81845a8a38fc91dbc982469dc87fc248db49014d1d8759165d6ff466
[INFO] running `Command { std: "docker" "start" "-a" "a5e33cee81845a8a38fc91dbc982469dc87fc248db49014d1d8759165d6ff466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e33cee81845a8a38fc91dbc982469dc87fc248db49014d1d8759165d6ff466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e33cee81845a8a38fc91dbc982469dc87fc248db49014d1d8759165d6ff466", kill_on_drop: false }`
[INFO] [stdout] a5e33cee81845a8a38fc91dbc982469dc87fc248db49014d1d8759165d6ff466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 90448e81c078610f03d8a71d0dd006f24a4d70bc0a0ea42f943f07ca68714921
[INFO] running `Command { std: "docker" "start" "-a" "90448e81c078610f03d8a71d0dd006f24a4d70bc0a0ea42f943f07ca68714921", kill_on_drop: false }`
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "90448e81c078610f03d8a71d0dd006f24a4d70bc0a0ea42f943f07ca68714921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90448e81c078610f03d8a71d0dd006f24a4d70bc0a0ea42f943f07ca68714921", kill_on_drop: false }`
[INFO] [stdout] 90448e81c078610f03d8a71d0dd006f24a4d70bc0a0ea42f943f07ca68714921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] baa39bcf1cc2c52ea62c12c47b73d2906d35bfd42d0675df18955c654851a7cc
[INFO] running `Command { std: "docker" "start" "-a" "baa39bcf1cc2c52ea62c12c47b73d2906d35bfd42d0675df18955c654851a7cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "baa39bcf1cc2c52ea62c12c47b73d2906d35bfd42d0675df18955c654851a7cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa39bcf1cc2c52ea62c12c47b73d2906d35bfd42d0675df18955c654851a7cc", kill_on_drop: false }`
[INFO] [stdout] baa39bcf1cc2c52ea62c12c47b73d2906d35bfd42d0675df18955c654851a7cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 74c0bf7831fbcd72becf91bec40753b258885c293f504566f03786e2f444e8a0
[INFO] running `Command { std: "docker" "start" "-a" "74c0bf7831fbcd72becf91bec40753b258885c293f504566f03786e2f444e8a0", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut current = &mut *self.location.get();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `second-stack` (lib) generated 1 warning (run `cargo fix --lib -p second-stack` to apply 1 suggestion)
[INFO] [stderr] warning: `second-stack` (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/second_stack-c98f61d503dd0b23)
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-3b5b25578d575744)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] [tests/integration.rs:45:5] &cfg = Cfg {
[INFO] [stderr] 
[INFO] [stdout]     threads: 32,
[INFO] [stderr] thread '<unnamed>' (67) panicked at /opt/rustwide/workdir/src/lib.rs:188:26:
[INFO] [stdout]     inner_loops: 3,
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stdout]     outer_loops: 100,
[INFO] [stderr] 
[INFO] [stdout]     recursion: 8,
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stdout] }
[INFO] [stderr] stack backtrace:
[INFO] [stdout] [tests/integration.rs:53:21] it = 0
[INFO] [stderr]    0:     0x5c2650ddf4e2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5c2650ddf4e2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5c2650ddf4e2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5c2650ddf4e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5c2650df001f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5c2650df001f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x5c2650dac7b1 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5c2650dac7b1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5c2650db8ab2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5c2650dbd5ff - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5c2650dbd459 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5c2650d43bce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stderr]   12:     0x5c2650d43bce - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5c2650dbdcbf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stderr]   14:     0x5c2650dbdcbf - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5c2650dbdae6 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5c2650db8be9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5c2650da0f2d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5c2650df798d - core::panicking::panic_nounwind_fmt::runtime::hf619e8fd73995337
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:117:22
[INFO] [stderr]   19:     0x5c2650df798d - core::panicking::panic_nounwind_fmt::hc177e1bd7a48be0d
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/intrinsics/mod.rs:2435:9
[INFO] [stderr]   20:     0x5c2650d0aed9 - core::slice::raw::from_raw_parts_mut::precondition_check::h2c369382718069f6
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ub_checks.rs:72:21
[INFO] [stderr]   21:     0x5c2650d0aab9 - core::slice::raw::from_raw_parts_mut::hd9720cc591a902ac
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ub_checks.rs:77:17
[INFO] [stderr]   22:     0x5c2650cf1ff7 - second_stack::Stack::buffer::h2514f46f7f85045a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:188:26
[INFO] [stderr]   23:     0x5c2650cf7f81 - second_stack::buffer::{{closure}}::h51f265a753ad1a77
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:37
[INFO] [stderr]   24:     0x5c2650d1ba33 - std::thread::local::LocalKey<T>::try_with::he79238ebfcd68948
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/local.rs:315:12
[INFO] [stderr]   25:     0x5c2650d18ade - std::thread::local::LocalKey<T>::with::h4361c5eb20cc6ac6
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/local.rs:279:20
[INFO] [stderr]   26:     0x5c2650cf7dcd - second_stack::buffer::hdbbba5d345fb683a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:18
[INFO] [stderr]   27:     0x5c2650cfb2e3 - integration::check_iter::he1a3b8887bf2a25a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:247:9
[INFO] [stderr]   28:     0x5c2650d026e3 - integration::check_rand_method::h8a2ac35395250e11
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   29:     0x5c2650d01fab - integration::check_rand_type::he0e19e849c6e7ed8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:179:14
[INFO] [stderr]   30:     0x5c2650d03626 - integration::recurse::{{closure}}::hc850ebe8c70c48a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   31:     0x5c2650d03551 - integration::recurse::he84d66c87c3542b4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   32:     0x5c2650cfbf81 - integration::check_iter::{{closure}}::h46cc36193099a121
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:244:9
[INFO] [stderr]   33:     0x5c2650d1da4d - core::ops::function::FnOnce::call_once::hd0b3d3738e226435
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   34:     0x5c2650cf119d - second_stack::Stack::buffer::h10506c3c7ee98fff
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:189:13
[INFO] [stderr]   35:     0x5c2650cf7ff1 - second_stack::buffer::{{closure}}::h52a77b95f7b2ff4f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:37
[INFO] [stderr]   36:     0x5c2650d1b093 - std::thread::local::LocalKey<T>::try_with::hc6f217b2685974b6
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/local.rs:315:12
[INFO] [stderr]   37:     0x5c2650d18fde - std::thread::local::LocalKey<T>::with::hc68ae5607d51a142
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/local.rs:279:20
[INFO] [stderr]   38:     0x5c2650cf79ad - second_stack::buffer::h0bcb581318c79d24
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:217:18
[INFO] [stderr]   39:     0x5c2650cf95a3 - integration::check_iter::h5b0e9afe52fc4651
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:247:9
[INFO] [stderr]   40:     0x5c2650d02323 - integration::check_rand_method::h1553d38c20469ed4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   41:     0x5c2650d01f98 - integration::check_rand_type::he0e19e849c6e7ed8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:178:14
[INFO] [stderr]   42:     0x5c2650d03626 - integration::recurse::{{closure}}::hc850ebe8c70c48a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   43:     0x5c2650d03551 - integration::recurse::he84d66c87c3542b4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   44:     0x5c2650cfbda5 - integration::check_iter::{{closure}}::h2412f9a2469434ca
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:244:9
[INFO] [stderr]   45:     0x5c2650d1d63d - core::ops::function::FnOnce::call_once::h6057428d9b1585c0
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   46:     0x5c2650cf453d - second_stack::Stack::buffer::ha1c45347f0e076dc
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:189:13
[INFO] [stderr]   47:     0x5c2650cfa5cc - integration::check_iter::h9a18e5f2e7ee0c5b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:15
[INFO] [stderr]   48:     0x5c2650d02413 - integration::check_rand_method::h26274de44718cea8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   49:     0x5c2650d02044 - integration::check_rand_type::he0e19e849c6e7ed8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:188:15
[INFO] [stderr]   50:     0x5c2650d0368e - integration::recurse::{{closure}}::hc850ebe8c70c48a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   51:     0x5c2650d03551 - integration::recurse::he84d66c87c3542b4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   52:     0x5c2650cfd236 - integration::check_iter::{{closure}}::hf746612936a16db6
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:244:9
[INFO] [stderr]   53:     0x5c2650d1d89d - core::ops::function::FnOnce::call_once::hb573fd163ada3e7b
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   54:     0x5c2650cf5b5d - second_stack::Stack::buffer::hd5f9c8b021ffeeff
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:189:13
[INFO] [stderr]   55:     0x5c2650cfa28c - integration::check_iter::h8d2b4d3b529d4490
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:15
[INFO] [stderr]   56:     0x5c2650d02aa3 - integration::check_rand_method::hd81a89720e18357c
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   57:     0x5c2650d02064 - integration::check_rand_type::he0e19e849c6e7ed8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:190:15
[INFO] [stderr]   58:     0x5c2650d0368e - integration::recurse::{{closure}}::hc850ebe8c70c48a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   59:     0x5c2650d03551 - integration::recurse::he84d66c87c3542b4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   60:     0x5c2650cfee78 - integration::check_slice::{{closure}}::h4039f35d027f872d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:140:9
[INFO] [stderr]   61:     0x5c2650d1d6e1 - core::ops::function::FnOnce::call_once::h7c298134868cbc2a
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   62:     0x5c2650cec1e6 - second_stack::Stack::uninit_slice::h4d14db6bb326c808
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:68:20
[INFO] [stderr]   63:     0x5c2650cfe2d3 - integration::check_slice::haa7fbed81b5f54ab
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:152:15
[INFO] [stderr]   64:     0x5c2650d02a93 - integration::check_rand_method::hd81a89720e18357c
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:167:14
[INFO] [stderr]   65:     0x5c2650d02064 - integration::check_rand_type::he0e19e849c6e7ed8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:190:15
[INFO] [stderr]   66:     0x5c2650d03626 - integration::recurse::{{closure}}::hc850ebe8c70c48a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   67:     0x5c2650d03551 - integration::recurse::he84d66c87c3542b4
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   68:     0x5c2650d0344a - integration::soak::{{closure}}::{{closure}}::h38470ef0ce64fb23
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:58:25
[INFO] [stderr]   69:     0x5c2650d14552 - std::sys::backtrace::__rust_begin_short_backtrace::h81e63fd9dfdf5313
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   70:     0x5c2650d09d1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::he84e30732dc33898
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   71:     0x5c2650d1bca0 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3227ce894136a613
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   72:     0x5c2650d1cc6f - std::panicking::catch_unwind::do_call::hb0e1fc1f592c4eab
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]   73:     0x5c2650d0ba7b - __rust_try
[INFO] [stderr]   74:     0x5c2650d096db - std::panicking::catch_unwind::h4f2ac9528068a02f
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]   75:     0x5c2650d096db - std::panic::catch_unwind::h1b2ca0c4c449a059
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]   76:     0x5c2650d096db - std::thread::Builder::spawn_unchecked_::{{closure}}::hf78683aca4278b83
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   77:     0x5c2650d1ce0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h182d8d59231941f7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   78:     0x5c2650db3d4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   79:     0x5c2650db3d4f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stderr]   80:     0x787c6c2e0aa4 - <unknown>
[INFO] [stderr]   81:     0x787c6c36da34 - clone
[INFO] [stderr]   82:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test integration`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/integration-3b5b25578d575744` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "74c0bf7831fbcd72becf91bec40753b258885c293f504566f03786e2f444e8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c0bf7831fbcd72becf91bec40753b258885c293f504566f03786e2f444e8a0", kill_on_drop: false }`
[INFO] [stdout] 74c0bf7831fbcd72becf91bec40753b258885c293f504566f03786e2f444e8a0
