[INFO] cloning repository https://github.com/brentongunning/parallel_ttor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brentongunning/parallel_ttor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrentongunning%2Fparallel_ttor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrentongunning%2Fparallel_ttor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8c54ac82727f14bed7cda51f8ea2df02e98da5f
[INFO] testing brentongunning/parallel_ttor against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrentongunning%2Fparallel_ttor" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brentongunning/parallel_ttor on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brentongunning/parallel_ttor
[INFO] finished tweaking git repo https://github.com/brentongunning/parallel_ttor
[INFO] tweaked toml for git repo https://github.com/brentongunning/parallel_ttor written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/brentongunning/parallel_ttor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725a461b9d45d00c77d1ee37941155695a93159c4c946e64b8dd2afa6bc1076d
[INFO] running `Command { std: "docker" "start" "-a" "725a461b9d45d00c77d1ee37941155695a93159c4c946e64b8dd2afa6bc1076d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725a461b9d45d00c77d1ee37941155695a93159c4c946e64b8dd2afa6bc1076d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725a461b9d45d00c77d1ee37941155695a93159c4c946e64b8dd2afa6bc1076d", kill_on_drop: false }`
[INFO] [stdout] 725a461b9d45d00c77d1ee37941155695a93159c4c946e64b8dd2afa6bc1076d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e47c54d473ac23f9ded963ee688d97310ad8c3d43cff0113667d3fcb7fa2019
[INFO] running `Command { std: "docker" "start" "-a" "4e47c54d473ac23f9ded963ee688d97310ad8c3d43cff0113667d3fcb7fa2019", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr] error: failed to run custom build command for `ring v0.12.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ring-b3d35f53b695fa68/build-script-build` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at 'attempted to leave type `nodrop::imp::NoDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/sync/queue.rs:57:28
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d6ce94fc3c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55d6ce94fc3c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d6ce94fc3c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d6ce94fc3c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d6ce96fdbc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55d6ce94b665 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55d6ce9516e0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d6ce9516e0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d6ce9516e0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55d6ce95128b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55d6ce951d94 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55d6ce951842 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:500:13
[INFO] [stderr]     12:     0x55d6ce9500f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55d6ce9517d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55d6ce8881f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55d6ce88813d - core::panicking::panic::h50b51d19800453c0
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x55d6ce8ee105 - core::mem::uninitialized::hc31a9aa3e29e3241
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/mem/mod.rs:676:9
[INFO] [stderr]     17:     0x55d6ce8ee105 - crossbeam_epoch::sync::queue::Queue<T>::new::h87654a8d87bd00fb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/sync/queue.rs:57:28
[INFO] [stderr]     18:     0x55d6ce8f053a - crossbeam_epoch::internal::Global::new::hea3899e4a0ca9ec6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/internal.rs:63:20
[INFO] [stderr]     19:     0x55d6ce8f4f61 - crossbeam_epoch::collector::Collector::new::h8654f91389e0f6e7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/collector.rs:32:38
[INFO] [stderr]     20:     0x55d6ce8ec68a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::hecf9a06b33d140af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:12:39
[INFO] [stderr]     21:     0x55d6ce8ec68a - core::ops::function::FnOnce::call_once::hf04b3906a3dee0b7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55d6ce8f45f4 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h4d69d7b2098fe116
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28:27
[INFO] [stderr]     23:     0x55d6ce8eface - std::sync::once::Once::call_once::{{closure}}::h77ee45c05b31b795
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:262:41
[INFO] [stderr]     24:     0x55d6ce88790e - std::sync::once::Once::call_inner::h3023ccdcace5556f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:419:21
[INFO] [stderr]     25:     0x55d6ce8efa55 - std::sync::once::Once::call_once::ha99736c24b4fef3c
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sync/once.rs:262:9
[INFO] [stderr]     26:     0x55d6ce8ef918 - lazy_static::lazy::Lazy<T>::get::h2908b951bc2e2d24
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27:13
[INFO] [stderr]     27:     0x55d6ce8ef918 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h454bb1f9d76dad10
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:149:25
[INFO] [stderr]     28:     0x55d6ce8ef918 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::he5964954c7c3e2f8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:151:21
[INFO] [stderr]     29:     0x55d6ce8ef971 - crossbeam_epoch::default::HANDLE::__init::h444f70df9d61ea65
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:17:29
[INFO] [stderr]     30:     0x55d6ce8ec669 - core::ops::function::FnOnce::call_once::hb8f58aa0f8f6460d
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     31:     0x55d6ce8f1dbc - std::thread::local::lazy::LazyKeyInner<T>::initialize::h205ce09de6108183
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:431:25
[INFO] [stderr]     32:     0x55d6ce8efb78 - std::thread::local::fast::Key<T>::try_initialize::h913e015bb528b789
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:609:31
[INFO] [stderr]     33:     0x55d6ce8efcb4 - std::thread::local::fast::Key<T>::get::he5de65634c08760a
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:592:29
[INFO] [stderr]     34:     0x55d6ce8e0a3d - crossbeam_epoch::default::HANDLE::__getit::h0df6eeb32d6381b7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:311:26
[INFO] [stderr]     35:     0x55d6ce8e2f88 - std::thread::local::LocalKey<T>::try_with::h3a8e8f6a661156ac
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:398:32
[INFO] [stderr]     36:     0x55d6ce8e2e0f - std::thread::local::LocalKey<T>::with::hf8b916302c736845
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/local.rs:375:9
[INFO] [stderr]     37:     0x55d6ce8e0a5e - crossbeam_epoch::default::is_pinned::h823b22c71db82203
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:33:5
[INFO] [stderr]     38:     0x55d6ce8d41f4 - crossbeam_deque::Stealer<T>::steal::h7c49ad52427b4be2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.2.0/src/lib.rs:714:12
[INFO] [stderr]     39:     0x55d6ce8dbc83 - rayon_core::registry::WorkerThread::steal::{{closure}}::hf5a36b3d1567d16a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:614:27
[INFO] [stderr]     40:     0x55d6ce8d8feb - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h829ebe27f92e481f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     41:     0x55d6ce8e3751 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::hadf207ed12b51826
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/traits/iterator.rs:2409:32
[INFO] [stderr]     42:     0x55d6ce8ca299 - core::iter::adapters::filter::filter_try_fold::{{closure}}::hed2894c415c7f59a
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/adapters/filter.rs:44:44
[INFO] [stderr]     43:     0x55d6ce8c9ecc - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h70a9e4dfdf2c13ff
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     44:     0x55d6ce8e3bbd - core::iter::traits::iterator::Iterator::try_fold::hf1b51a6630111eda
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/traits/iterator.rs:1995:21
[INFO] [stderr]     45:     0x55d6ce8e06ae - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::h234409c55b02311a
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/adapters/chain.rs:104:19
[INFO] [stderr]     46:     0x55d6ce8c9916 - <core::iter::adapters::filter::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::he9c50a7de6b0ec7f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/adapters/filter.rs:93:9
[INFO] [stderr]     47:     0x55d6ce8ca17b - core::iter::traits::iterator::Iterator::find_map::h07968752e8e31a4b
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/traits/iterator.rs:2415:9
[INFO] [stderr]     48:     0x55d6ce8c84c9 - <core::iter::adapters::filter_map::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h578bbc36f4beec5e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/iter/adapters/filter_map.rs:61:9
[INFO] [stderr]     49:     0x55d6ce8dbbce - rayon_core::registry::WorkerThread::steal::h1bdb041792fa73ea
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:608:9
[INFO] [stderr]     50:     0x55d6ce8db8f2 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h770f8c4109d829f5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:565:48
[INFO] [stderr]     51:     0x55d6ce8d22f1 - core::option::Option<T>::or_else::hc6cce9b64e78ae08
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/option.rs:1147:21
[INFO] [stderr]     52:     0x55d6ce8db28c - rayon_core::registry::WorkerThread::wait_until_cold::haf7d5da0588b499a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:564:32
[INFO] [stderr]     53:     0x55d6ce8db085 - rayon_core::registry::WorkerThread::wait_until::h0d353dae1625c994
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:544:13
[INFO] [stderr]     54:     0x55d6ce8dc1e9 - rayon_core::registry::main_loop::h8de9d20e0cda3ef4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:666:5
[INFO] [stderr]     55:     0x55d6ce8da61c - rayon_core::registry::Registry::new::{{closure}}::h86fd1c19cddabd97
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:135:54
[INFO] [stderr]     56:     0x55d6ce8d0b7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h507f673897d957a8
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     57:     0x55d6ce8ddcc2 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h9e721059323bf43c
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:484:17
[INFO] [stderr]     58:     0x55d6ce8d7992 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9c2e130350d8e545
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr]     59:     0x55d6ce8d6994 - std::panicking::try::do_call::h2b36d436ca99f82a
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     60:     0x55d6ce8d793b - __rust_try
[INFO] [stderr]     61:     0x55d6ce8d6710 - std::panicking::try::h1a4209f7eda32f5a
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     62:     0x55d6ce8c9e32 - std::panic::catch_unwind::h4416e1f141125556
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     63:     0x55d6ce8ddad1 - std::thread::Builder::spawn_unchecked::{{closure}}::hfabf8561e3b97397
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/thread/mod.rs:483:30
[INFO] [stderr]     64:     0x55d6ce8cbd1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h41d9d754fc2ea67b
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     65:     0x55d6ce957c93 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he162a5c338a10a39
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stderr]     66:     0x55d6ce957c93 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb27497b21740dd97
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/alloc/src/boxed.rs:1694:9
[INFO] [stderr]     67:     0x55d6ce957c93 - std::sys::unix::thread::Thread::new::thread_start::he467e990e49c5136
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys/unix/thread.rs:106:17
[INFO] [stderr]     68:     0x7fe2ffb91609 - start_thread
[INFO] [stderr]     69:     0x7fe2ffab2293 - clone
[INFO] [stderr]     70:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4e47c54d473ac23f9ded963ee688d97310ad8c3d43cff0113667d3fcb7fa2019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e47c54d473ac23f9ded963ee688d97310ad8c3d43cff0113667d3fcb7fa2019", kill_on_drop: false }`
[INFO] [stdout] 4e47c54d473ac23f9ded963ee688d97310ad8c3d43cff0113667d3fcb7fa2019