[INFO] cloning repository https://github.com/vldm/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vldm/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvldm%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvldm%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2751e76ab683c2fc8e2ffcc7b92412aae2e67e3c
[INFO] testing vldm/playground against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvldm%2Fplayground" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vldm/playground on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vldm/playground
[INFO] finished tweaking git repo https://github.com/vldm/playground
[INFO] tweaked toml for git repo https://github.com/vldm/playground written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vldm/playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfc43b6ef2ab99e76f3b9db71bfb47d30578a0c102e703ec19246c0b73f44ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcfc43b6ef2ab99e76f3b9db71bfb47d30578a0c102e703ec19246c0b73f44ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfc43b6ef2ab99e76f3b9db71bfb47d30578a0c102e703ec19246c0b73f44ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfc43b6ef2ab99e76f3b9db71bfb47d30578a0c102e703ec19246c0b73f44ab", kill_on_drop: false }`
[INFO] [stdout] dcfc43b6ef2ab99e76f3b9db71bfb47d30578a0c102e703ec19246c0b73f44ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21633f7f0a8cc0232c3320d9057860978e7e33c19a82e433a9af82b8a9084c10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21633f7f0a8cc0232c3320d9057860978e7e33c19a82e433a9af82b8a9084c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr] error: failed to run custom build command for `backtrace-sys v0.1.23`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/backtrace-sys-416b7a059369202e/build-script-build` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread '<unnamed>' panicked at 'attempted to leave type `nodrop::NoDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bc680e0600 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bc680e0600 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bc680e0600 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bc680e0600 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bc68100f4c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55bc680dbde2 - std::io::Write::write_fmt::h24485de26f355188
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55bc680e2ef5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bc680e2ef5 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bc680e2ef5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bc680e2a4a - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bc680e3691 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55bc680e31a7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55bc680e0abc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bc680e3139 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55bc681002f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55bc6810023d - core::panicking::panic::h5d1c61fed2502a5f
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55bc680bdd08 - core::mem::uninitialized::h6ea6f2a9adebf21e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]     17:     0x55bc680bdd08 - crossbeam_epoch::sync::queue::Queue<T>::new::h9e8703c389d93165
[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:     0x55bc680b45ed - crossbeam_epoch::internal::Global::new::hf25a11632eeff8f1
[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:     0x55bc680bfc31 - crossbeam_epoch::collector::Collector::new::h16fb326bcdc42b32
[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:     0x55bc680b973a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h47818a1c4f5854cb
[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:     0x55bc680b973a - core::ops::function::FnOnce::call_once::hdf8b5383f7d82f57
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55bc680b95b3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hacf4ffa06f37647a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.1/src/lazy.rs:24:45
[INFO] [stderr]     23:     0x55bc680c0f9f - std::sync::once::Once::call_once::{{closure}}::h5cf8c33392a6066b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     24:     0x55bc680e00d2 - std::sync::once::Once::call_inner::hc3d5e817f9c320a2
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sync/once.rs:419:21
[INFO] [stderr]     25:     0x55bc680c0f15 - std::sync::once::Once::call_once::h3fb0081790bbe2b5
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     26:     0x55bc680b8c8f - lazy_static::lazy::Lazy<T>::get::h0554b46b91fe707c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.1/src/lazy.rs:23:13
[INFO] [stderr]     27:     0x55bc680b8c8f - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h084a68f9a6a772cd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.1/src/lib.rs:148:25
[INFO] [stderr]     28:     0x55bc680b8c8f - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::h070dcc953c6b8d77
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.1/src/lib.rs:150:21
[INFO] [stderr]     29:     0x55bc680b8cc4 - crossbeam_epoch::default::HANDLE::__init::h256ce541409166f6
[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:     0x55bc680b9719 - core::ops::function::FnOnce::call_once::h670f937ba75992a4
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     31:     0x55bc680b82ec - std::thread::local::lazy::LazyKeyInner<T>::initialize::haead2b513b3b0ff0
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:304:25
[INFO] [stderr]     32:     0x55bc680c1036 - std::thread::local::fast::Key<T>::try_initialize::he2d7abbe0718f25b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:473:31
[INFO] [stderr]     33:     0x55bc680c117b - std::thread::local::fast::Key<T>::get::h780d3af4007998f4
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:456:29
[INFO] [stderr]     34:     0x55bc680b8d0d - crossbeam_epoch::default::HANDLE::__getit::h5655e80cd8beb03e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:183:26
[INFO] [stderr]     35:     0x55bc6807fccb - std::thread::local::LocalKey<T>::try_with::hee9a89bed541037b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:271:32
[INFO] [stderr]     36:     0x55bc6807f8bf - std::thread::local::LocalKey<T>::with::haec8cca4a7680030
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/local.rs:248:9
[INFO] [stderr]     37:     0x55bc68091124 - crossbeam_epoch::default::is_pinned::h61bbd47311faece6
[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:     0x55bc68087204 - crossbeam_deque::Stealer<T>::steal::h46b73de6b715b1dd
[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:     0x55bc68076c63 - rayon_core::registry::WorkerThread::steal::{{closure}}::hbf74b272ba8b7e6d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:622:27
[INFO] [stderr]     40:     0x55bc68073cfb - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::hea9f1a8947da3718
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     41:     0x55bc680846e1 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h538f6f1ad3d49a7f
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/traits/iterator.rs:2257:32
[INFO] [stderr]     42:     0x55bc6807ebac - core::iter::adapters::filter_try_fold::{{closure}}::hfdbe898d2fffe4cd
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/adapters/mod.rs:1078:44
[INFO] [stderr]     43:     0x55bc6807e36c - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::hfdb2712c9bee191e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     44:     0x55bc68084933 - core::iter::traits::iterator::Iterator::try_fold::h17669e3f651bb1a7
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/traits/iterator.rs:1888:21
[INFO] [stderr]     45:     0x55bc68080dc2 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::h7a58ae4fe272f234
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/adapters/chain.rs:105:19
[INFO] [stderr]     46:     0x55bc6807d916 - <core::iter::adapters::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::hd5f14b26d3199520
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/adapters/mod.rs:1127:9
[INFO] [stderr]     47:     0x55bc6807e741 - core::iter::traits::iterator::Iterator::find_map::ha78704d0e4e7272a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/traits/iterator.rs:2263:9
[INFO] [stderr]     48:     0x55bc6807d986 - <core::iter::adapters::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::hb91e554bb1d6d5fd
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/iter/adapters/mod.rs:1245:9
[INFO] [stderr]     49:     0x55bc68076b66 - rayon_core::registry::WorkerThread::steal::hf9d6738e248d09a7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:616:9
[INFO] [stderr]     50:     0x55bc68076822 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::he93960fbb7c06edc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:564:48
[INFO] [stderr]     51:     0x55bc6808f133 - core::option::Option<T>::or_else::h553c9219e0f1f77b
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:786:21
[INFO] [stderr]     52:     0x55bc68076504 - rayon_core::registry::WorkerThread::wait_until_cold::hb4445ec48782a1bf
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:563:32
[INFO] [stderr]     53:     0x55bc68076088 - rayon_core::registry::WorkerThread::wait_until::h5ffd6a7df88b9be5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:543:13
[INFO] [stderr]     54:     0x55bc68077157 - rayon_core::registry::main_loop::hebe7f7cb0d5ecdb9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:674:5
[INFO] [stderr]     55:     0x55bc6807549d - rayon_core::registry::Registry::new::{{closure}}::h90ccf197fa6795ae
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.0/src/registry.rs:134:54
[INFO] [stderr]     56:     0x55bc6807f6ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h0feb3a8ca91957a1
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     57:     0x55bc68081fd2 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4ad4fb2f551ab2d9
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:474:17
[INFO] [stderr]     58:     0x55bc68087b72 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h94262567c5679084
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9
[INFO] [stderr]     59:     0x55bc6808e6be - std::panicking::try::do_call::he2fc8dd89128b641
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40
[INFO] [stderr]     60:     0x55bc6808f9fd - __rust_try
[INFO] [stderr]     61:     0x55bc6808e563 - std::panicking::try::hd3bb0a739a15603a
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19
[INFO] [stderr]     62:     0x55bc68088bf2 - std::panic::catch_unwind::hb07ac07ac2eee7e3
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14
[INFO] [stderr]     63:     0x55bc68081dc0 - std::thread::Builder::spawn_unchecked::{{closure}}::h65b1ad98660b55a5
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:473:30
[INFO] [stderr]     64:     0x55bc6808261f - core::ops::function::FnOnce::call_once{{vtable.shim}}::h85622fc68fcd625d
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     65:     0x55bc680e9eaa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9
[INFO] [stderr]     66:     0x55bc680e9eaa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9
[INFO] [stderr]     67:     0x55bc680e9eaa - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stderr]                                  at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]     68:     0x7f475c1a2609 - start_thread
[INFO] [stderr]     69:     0x7f475c0c3293 - clone
[INFO] [stderr]     70:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "21633f7f0a8cc0232c3320d9057860978e7e33c19a82e433a9af82b8a9084c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21633f7f0a8cc0232c3320d9057860978e7e33c19a82e433a9af82b8a9084c10", kill_on_drop: false }`
[INFO] [stdout] 21633f7f0a8cc0232c3320d9057860978e7e33c19a82e433a9af82b8a9084c10