[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] checking vldm/playground against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvldm%2Fplayground" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vldm/playground on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-11/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21060174147b5f65e89404a078c756109153981c882fdd9db46b9133db38a50c
[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" "21060174147b5f65e89404a078c756109153981c882fdd9db46b9133db38a50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21060174147b5f65e89404a078c756109153981c882fdd9db46b9133db38a50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21060174147b5f65e89404a078c756109153981c882fdd9db46b9133db38a50c", kill_on_drop: false }`
[INFO] [stdout] 21060174147b5f65e89404a078c756109153981c882fdd9db46b9133db38a50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf7498e64805891cb368c0b697f977d2fdc2f34ba3a7a2ae18a8b52ad8cb684a
[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" "cf7498e64805891cb368c0b697f977d2fdc2f34ba3a7a2ae18a8b52ad8cb684a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]     Checking criterion-plot v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking criterion-stats v0.2.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling cc v1.0.17
[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]     Checking chrono v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking rust_decimal v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.1
[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/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561c7670dae0 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x561c7670dae0 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561c7670dae0 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561c7670dae0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561c7672df3c - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x561c767094a2 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x561c7670fe45 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561c7670fe45 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561c7670fe45 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561c7670f99a - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x561c767105e1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x561c767100f7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x561c7670df9c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561c76710089 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x561c7672d311 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x561c7672d25d - core::panicking::panic::h35b77276aa4b0c12
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x561c766eb278 - core::mem::uninitialized::h51fa0816d1a17a01
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/mem/mod.rs:659:9
[INFO] [stderr]     17:     0x561c766eb278 - 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:     0x561c766e1b5d - 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:     0x561c766ed1a1 - 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:     0x561c766e6c3a - <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:     0x561c766e6c3a - core::ops::function::FnOnce::call_once::h1e0f57b81446ca1e
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x561c766e6b23 - 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:     0x561c766ee50f - std::sync::once::Once::call_once::{{closure}}::h4ed25260ab649f46
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     24:     0x561c7670d5b2 - std::sync::once::Once::call_inner::hd35c7f7eb6ec0c08
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sync/once.rs:419:21
[INFO] [stderr]     25:     0x561c766ee485 - std::sync::once::Once::call_once::hd85303fb2938b277
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     26:     0x561c766e61ff - 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:     0x561c766e61ff - <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:     0x561c766e61ff - <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:     0x561c766e6234 - 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:     0x561c766e6ca9 - core::ops::function::FnOnce::call_once::h9004d0bd5dc9034d
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     31:     0x561c766e585c - std::thread::local::lazy::LazyKeyInner<T>::initialize::h53892f9c4ba071cb
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:304:25
[INFO] [stderr]     32:     0x561c766ee5a6 - std::thread::local::fast::Key<T>::try_initialize::hfa60610d539e8959
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:473:31
[INFO] [stderr]     33:     0x561c766ee6eb - std::thread::local::fast::Key<T>::get::hab92ce6881477836
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:456:29
[INFO] [stderr]     34:     0x561c766e627d - crossbeam_epoch::default::HANDLE::__getit::h85e4c40566b7f98c
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:183:26
[INFO] [stderr]     35:     0x561c766acc2b - std::thread::local::LocalKey<T>::try_with::h638a5b1c6e349cbd
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:271:32
[INFO] [stderr]     36:     0x561c766acbcf - std::thread::local::LocalKey<T>::with::hc32df9a28861013f
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/local.rs:248:9
[INFO] [stderr]     37:     0x561c766bf0f4 - 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:     0x561c766b4cd4 - 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:     0x561c766a4393 - rayon_core::registry::WorkerThread::steal::{{closure}}::hbb787945750623f9
[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:     0x561c766a142b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::hb7f0547a61b35d0f
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     41:     0x561c766b2021 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::h5d97eefd4f4ec397
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/traits/iterator.rs:2257:32
[INFO] [stderr]     42:     0x561c766b6f8c - core::iter::adapters::filter::filter_try_fold::{{closure}}::h60d224565ae76917
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/adapters/filter.rs:43:44
[INFO] [stderr]     43:     0x561c766b63bc - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::hafe4585a23642986
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     44:     0x561c766b24c3 - core::iter::traits::iterator::Iterator::try_fold::hbb79e8f319592a24
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/traits/iterator.rs:1888:21
[INFO] [stderr]     45:     0x561c766aebe2 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::hb918be5e28fa03b0
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/adapters/chain.rs:104:19
[INFO] [stderr]     46:     0x561c766b56a6 - <core::iter::adapters::filter::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::hd02596cbca668d17
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/adapters/filter.rs:92:9
[INFO] [stderr]     47:     0x561c766b6e81 - core::iter::traits::iterator::Iterator::find_map::hc3f95e0f35e42443
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/traits/iterator.rs:2263:9
[INFO] [stderr]     48:     0x561c766af046 - <core::iter::adapters::filter_map::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h3378806bd38f4006
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/iter/adapters/filter_map.rs:61:9
[INFO] [stderr]     49:     0x561c766a4296 - rayon_core::registry::WorkerThread::steal::hada0096e844bb85f
[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:     0x561c766a3f22 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h051ff10495f26592
[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:     0x561c766bcfb3 - core::option::Option<T>::or_else::h1dfc376b4fac4cf4
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/option.rs:786:21
[INFO] [stderr]     52:     0x561c766a3c34 - 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:     0x561c766a37b8 - 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:     0x561c766a4887 - rayon_core::registry::main_loop::h96ff0548ce8d1982
[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:     0x561c766a2bcd - rayon_core::registry::Registry::new::{{closure}}::ha1563f2cb006c62f
[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:     0x561c766bf15e - std::sys_common::backtrace::__rust_begin_short_backtrace::he0c3dc8732cd7e48
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     57:     0x561c766aded2 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h9a163946ed1f9f1e
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/mod.rs:474:17
[INFO] [stderr]     58:     0x561c766b5622 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6ada9fff5ed6c889
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panic.rs:322:9
[INFO] [stderr]     59:     0x561c766bf9be - std::panicking::try::do_call::h9f7c59e6acb90a35
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:379:40
[INFO] [stderr]     60:     0x561c766c0c5d - __rust_try
[INFO] [stderr]     61:     0x561c766bf7c3 - std::panicking::try::hc213b5b3b355c837
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panicking.rs:343:19
[INFO] [stderr]     62:     0x561c766b6232 - std::panic::catch_unwind::hfc052fa64cfd8fa2
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/panic.rs:396:14
[INFO] [stderr]     63:     0x561c766adcc0 - std::thread::Builder::spawn_unchecked::{{closure}}::h9005863c33a2a5e0
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/thread/mod.rs:473:30
[INFO] [stderr]     64:     0x561c766affef - core::ops::function::FnOnce::call_once{{vtable.shim}}::h80fe101f683b0f3f
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     65:     0x561c76716dfa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hea1090dbdcecbf5a
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/alloc/src/boxed.rs:1327:9
[INFO] [stderr]     66:     0x561c76716dfa - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8d5723d3912bd325
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/alloc/src/boxed.rs:1327:9
[INFO] [stderr]     67:     0x561c76716dfa - std::sys::unix::thread::Thread::new::thread_start::hc17a425ca2995724
[INFO] [stderr]                                  at /rustc/b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]     68:     0x7fb92704f609 - start_thread
[INFO] [stderr]     69:     0x7fb926f70293 - 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" "cf7498e64805891cb368c0b697f977d2fdc2f34ba3a7a2ae18a8b52ad8cb684a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7498e64805891cb368c0b697f977d2fdc2f34ba3a7a2ae18a8b52ad8cb684a", kill_on_drop: false }`
[INFO] [stdout] cf7498e64805891cb368c0b697f977d2fdc2f34ba3a7a2ae18a8b52ad8cb684a