[INFO] updating cached repository https://github.com/emanon-was/rust-tutorial
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3eac90c9750772b18dd85516263ac30e819d1e79
[INFO] testing emanon-was/rust-tutorial against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanon-was%2Frust-tutorial" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emanon-was/rust-tutorial on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emanon-was/rust-tutorial
[INFO] finished tweaking git repo https://github.com/emanon-was/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/emanon-was/rust-tutorial written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/emanon-was/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc0a9658ec002709ee8fba30ebc8c53799fa48965cf7ba77f5c25cd950c2753f
[INFO] running `"docker" "start" "-a" "cc0a9658ec002709ee8fba30ebc8c53799fa48965cf7ba77f5c25cd950c2753f"`
[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 proc-macro2 v0.4.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.38s
[INFO] running `"docker" "inspect" "cc0a9658ec002709ee8fba30ebc8c53799fa48965cf7ba77f5c25cd950c2753f"`
[INFO] running `"docker" "rm" "-f" "cc0a9658ec002709ee8fba30ebc8c53799fa48965cf7ba77f5c25cd950c2753f"`
[INFO] [stdout] cc0a9658ec002709ee8fba30ebc8c53799fa48965cf7ba77f5c25cd950c2753f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4256beb672eb79ae53f42303127e99b4fca29072b9af3434e96bcd67ae6bb70f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4256beb672eb79ae53f42303127e99b4fca29072b9af3434e96bcd67ae6bb70f"`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "4256beb672eb79ae53f42303127e99b4fca29072b9af3434e96bcd67ae6bb70f"`
[INFO] running `"docker" "rm" "-f" "4256beb672eb79ae53f42303127e99b4fca29072b9af3434e96bcd67ae6bb70f"`
[INFO] [stdout] 4256beb672eb79ae53f42303127e99b4fca29072b9af3434e96bcd67ae6bb70f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5637278ddfb58883f32f4bbf225cbf8e9f64406f7010c26ba7c61e7419b9ba9a
[INFO] running `"docker" "start" "-a" "5637278ddfb58883f32f4bbf225cbf8e9f64406f7010c26ba7c61e7419b9ba9a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_tutorial-aa398aebaea43487
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test canvas::tests::dimensions ... ok
[INFO] [stdout] test texture::tests::offset ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'attempted to leave type `nodrop::NoDrop<(epoch::Epoch, garbage::Bag)>` uninitialized, which is invalid', /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a7fbc938e4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a7fbc938e4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a7fbc938e4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a7fbc938e4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a7fbcbd69c - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55a7fbc90193 - std::io::Write::write_fmt::hfb486fa6ccb90f14
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55a7fbc961c5 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a7fbc961c5 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a7fbc961c5 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a7fbc95f02 - std::panicking::default_hook::h9386f7e484840463
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a7fbc96822 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55a7fbc9640b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55a7fbcbc0c1 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55a7fbcbc00d - core::panicking::panic::hbfb03ddd2cbb509e
[INFO] [stderr]                                at src/libcore/panicking.rs:54
[INFO] [stderr]   14:     0x55a7fbbfdc48 - core::mem::uninitialized::hc022ea7adef12994
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/mem/mod.rs:661
[INFO] [stderr]   15:     0x55a7fbbfdc48 - crossbeam_epoch::sync::queue::Queue<T>::new::he8eca31dbdbdd8d6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/sync/queue.rs:57
[INFO] [stderr]   16:     0x55a7fbbf529e - crossbeam_epoch::internal::Global::new::hde23e7e8b2b9a7bf
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/internal.rs:63
[INFO] [stderr]   17:     0x55a7fbc02441 - crossbeam_epoch::collector::Collector::new::h29c31e467545681b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/collector.rs:32
[INFO] [stderr]   18:     0x55a7fbbf947a - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h6b1c603287e298eb
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:12
[INFO] [stderr]   19:     0x55a7fbbf947a - core::ops::function::FnOnce::call_once::h8b2415dc5e8c9af2
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stderr]   20:     0x55a7fbc02004 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h1afb5f6f73a7d316
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
[INFO] [stderr]   21:     0x55a7fbc00975 - std::sync::once::Once::call_once::{{closure}}::h496a231c008972d7
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264
[INFO] [stderr]   22:     0x55a7fbc93108 - std::sync::once::Once::call_inner::h645f0d07eb0a8066
[INFO] [stderr]                                at src/libstd/sync/once.rs:416
[INFO] [stderr]   23:     0x55a7fbc008f1 - std::sync::once::Once::call_once::h30da00e9e8bdd96e
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sync/once.rs:264
[INFO] [stderr]   24:     0x55a7fbc01188 - lazy_static::lazy::Lazy<T>::get::h0166b629d1b0f6e5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
[INFO] [stderr]   25:     0x55a7fbc01188 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h4b4349f6fc325ca7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:149
[INFO] [stderr]   26:     0x55a7fbc01188 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::hbb38d90bd6ab96ad
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/lib.rs:151
[INFO] [stderr]   27:     0x55a7fbc011e4 - crossbeam_epoch::default::HANDLE::__init::he908a83381ccc6ce
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:17
[INFO] [stderr]   28:     0x55a7fbbf9459 - core::ops::function::FnOnce::call_once::h5eac5ee15ca3d6bc
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stderr]   29:     0x55a7fbc0208c - std::thread::local::lazy::LazyKeyInner<T>::initialize::h4952014c2b5a447a
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:289
[INFO] [stderr]   30:     0x55a7fbc00a12 - std::thread::local::fast::Key<T>::try_initialize::h20eb5db349a71a8f
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:425
[INFO] [stderr]   31:     0x55a7fbc00b67 - std::thread::local::fast::Key<T>::get::h795fb4687227b143
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:410
[INFO] [stderr]   32:     0x55a7fbc0122d - crossbeam_epoch::default::HANDLE::__getit::h7f8d2ead85dd8ab5
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:175
[INFO] [stderr]   33:     0x55a7fbbd1b48 - std::thread::local::LocalKey<T>::try_with::hdd15270c69ed31a3
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:262
[INFO] [stderr]   34:     0x55a7fbbd17cf - std::thread::local::LocalKey<T>::with::h3b5a48d7a4d7eff4
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/local.rs:239
[INFO] [stderr]   35:     0x55a7fbbe192e - crossbeam_epoch::default::is_pinned::hd20588aab18a7c85
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-epoch-0.3.1/src/default.rs:33
[INFO] [stderr]   36:     0x55a7fbbdeaa5 - crossbeam_deque::Stealer<T>::steal::h1c410a92fd33e84b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-deque-0.2.0/src/lib.rs:714
[INFO] [stderr]   37:     0x55a7fbbcc143 - rayon_core::registry::WorkerThread::steal::{{closure}}::h2904753e1ad505ea
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:614
[INFO] [stderr]   38:     0x55a7fbbc972b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h6bc487a0aba5b558
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274
[INFO] [stderr]   39:     0x55a7fbbd3f51 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h663f645dbb50f743
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2239
[INFO] [stderr]   40:     0x55a7fbbd43b5 - core::iter::adapters::filter_try_fold::{{closure}}::h337fae3f0a4aea76
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:935
[INFO] [stderr]   41:     0x55a7fbbd3c2c - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h3b6ca96db961cec9
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:274
[INFO] [stderr]   42:     0x55a7fbbe7a64 - core::iter::traits::iterator::Iterator::try_fold::he71ad22fa269b492
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:1878
[INFO] [stderr]   43:     0x55a7fbbd1e03 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::ha212b75ffc7de75a
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/chain.rs:83
[INFO] [stderr]   44:     0x55a7fbbd3476 - <core::iter::adapters::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::hc93796c1c66756fb
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:984
[INFO] [stderr]   45:     0x55a7fbbd3ed1 - core::iter::traits::iterator::Iterator::find_map::h44a3ac51ac0d7b37
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/traits/iterator.rs:2245
[INFO] [stderr]   46:     0x55a7fbbd3566 - <core::iter::adapters::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h1cd933d53c6834f7
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/iter/adapters/mod.rs:1084
[INFO] [stderr]   47:     0x55a7fbbcc07b - rayon_core::registry::WorkerThread::steal::h5985272b3dace140
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:608
[INFO] [stderr]   48:     0x55a7fbbcbd72 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h9307b95c157c47ee
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:565
[INFO] [stderr]   49:     0x55a7fbbe449f - core::option::Option<T>::or_else::hbac8ee7ae70427d6
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/option.rs:766
[INFO] [stderr]   50:     0x55a7fbbcba6e - rayon_core::registry::WorkerThread::wait_until_cold::h3c50952ccb15d55a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:564
[INFO] [stderr]   51:     0x55a7fbbcb5b3 - rayon_core::registry::WorkerThread::wait_until::hbb124a4b7ca2b458
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:544
[INFO] [stderr]   52:     0x55a7fbbcc61b - rayon_core::registry::main_loop::h53d7f6ca011b8936
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:666
[INFO] [stderr]   53:     0x55a7fbbcaa0d - rayon_core::registry::Registry::new::{{closure}}::h49b1eae4121f4199
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rayon-core-1.4.1/src/registry.rs:135
[INFO] [stderr]   54:     0x55a7fbbe1ad1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h22278c9184152f3e
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   55:     0x55a7fbbda092 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h845a1eaa68123f20
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475
[INFO] [stderr]   56:     0x55a7fbbd3532 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::he5b7a27ede9f6788
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stderr]   57:     0x55a7fbbe685c - std::panicking::try::do_call::hf1cadb4f3d365b31
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stderr]   58:     0x55a7fbbe81bd - __rust_try
[INFO] [stderr]   59:     0x55a7fbbe6523 - std::panicking::try::h4460bbe26626a128
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stderr]   60:     0x55a7fbbd3982 - std::panic::catch_unwind::heb542f4e8ddda0ed
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stderr]   61:     0x55a7fbbd9e81 - std::thread::Builder::spawn_unchecked::{{closure}}::hdcd8d67cb740db5d
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474
[INFO] [stderr]   62:     0x55a7fbbda5cf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8c35068f4705f641
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stderr]   63:     0x55a7fbc89a7f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7deaeeba480c6ce2
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stderr]   64:     0x55a7fbc9d133 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h968b1dfb87756523
[INFO] [stderr]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stderr]   65:     0x55a7fbc9d133 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   66:     0x7fa2309626db - start_thread
[INFO] [stderr]   67:     0x7fa23047388f - __clone
[INFO] [stderr]   68:                0x0 - <unknown>
[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/rust_tutorial-aa398aebaea43487` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `"docker" "inspect" "5637278ddfb58883f32f4bbf225cbf8e9f64406f7010c26ba7c61e7419b9ba9a"`
[INFO] running `"docker" "rm" "-f" "5637278ddfb58883f32f4bbf225cbf8e9f64406f7010c26ba7c61e7419b9ba9a"`
[INFO] [stdout] 5637278ddfb58883f32f4bbf225cbf8e9f64406f7010c26ba7c61e7419b9ba9a