[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvldm%2Fplayground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vldm/playground on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+1.54.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 926384047a230d4c5154324174133ac2cb43488e5d43eacdc11e40b9faec0604
[INFO] running `Command { std: "docker" "start" "-a" "926384047a230d4c5154324174133ac2cb43488e5d43eacdc11e40b9faec0604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926384047a230d4c5154324174133ac2cb43488e5d43eacdc11e40b9faec0604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926384047a230d4c5154324174133ac2cb43488e5d43eacdc11e40b9faec0604", kill_on_drop: false }`
[INFO] [stdout] 926384047a230d4c5154324174133ac2cb43488e5d43eacdc11e40b9faec0604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b1f851be1f92ca5a6d8b1a8487d63f16d498a461a7d9d366ab2353e9d3b567
[INFO] running `Command { std: "docker" "start" "-a" "50b1f851be1f92ca5a6d8b1a8487d63f16d498a461a7d9d366ab2353e9d3b567", 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] [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 nodrop v0.1.12
[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 num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[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 syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling rust_decimal v0.8.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling simplelog v0.5.2
[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-7c252901741c65d4/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/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b0283446a0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55b0283446a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b0283446a0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b0283446a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b0283640ac - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55b028340f25 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55b02834689b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b02834689b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b02834689b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55b028346371 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55b028346f64 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55b028346a17 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55b028344b9c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b0283469a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55b0282953d1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55b02829531d - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55b028328ae8 - core::mem::uninitialized::hdc5fae04f4584ec6
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stderr]     17:     0x55b028328ae8 - crossbeam_epoch::sync::queue::Queue<T>::new::h0e00d77eb61e00a4
[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:     0x55b028325d0a - crossbeam_epoch::internal::Global::new::he1af114609cbe2f9
[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:     0x55b028320671 - crossbeam_epoch::collector::Collector::new::h143b74a7e82b125e
[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:     0x55b028324fda - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__static_ref_initialize::h95fdf532a0226cb2
[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:     0x55b028324fda - core::ops::function::FnOnce::call_once::h16f92ff78d864ca7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55b028324a23 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hd5ac06812462a8f4
[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:     0x55b028322efe - std::sync::once::Once::call_once::{{closure}}::hb0ed46098860c540
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     24:     0x55b028294a3c - std::sync::once::Once::call_inner::h4030b088a5783b2d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     25:     0x55b028322e86 - std::sync::once::Once::call_once::h0988cff255221b4c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     26:     0x55b02832b0a1 - lazy_static::lazy::Lazy<T>::get::hb3558479e0b677df
[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:     0x55b02832b0a1 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::__stability::h6478f882896c546e
[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:     0x55b02832b0a1 - <crossbeam_epoch::default::COLLECTOR as core::ops::deref::Deref>::deref::hcf6470044393e4fe
[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:     0x55b02832b0d1 - crossbeam_epoch::default::HANDLE::__init::h13c01877e9b7d6f3
[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:     0x55b028324ff9 - core::ops::function::FnOnce::call_once::h596d5bbcbc88853e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     31:     0x55b028322f2c - std::thread::local::lazy::LazyKeyInner<T>::initialize::haa1d3b5e9a0b61c2
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:432:25
[INFO] [stderr]     32:     0x55b0283225a0 - std::thread::local::fast::Key<T>::try_initialize::hf982ea690932e927
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:610:31
[INFO] [stderr]     33:     0x55b0283226e7 - std::thread::local::fast::Key<T>::get::he1542751b9362dde
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:593:29
[INFO] [stderr]     34:     0x55b0282ec0ad - crossbeam_epoch::default::HANDLE::__getit::h6d94dbd9f25f3ec6
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:311:26
[INFO] [stderr]     35:     0x55b0282f2adb - std::thread::local::LocalKey<T>::try_with::h393ab3d3a60a75a9
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:399:32
[INFO] [stderr]     36:     0x55b0282f28ff - std::thread::local::LocalKey<T>::with::hb92e26a1f280e723
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/local.rs:376:9
[INFO] [stderr]     37:     0x55b0282ec0ce - crossbeam_epoch::default::is_pinned::hf595500bbca4653b
[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:     0x55b0282f1384 - crossbeam_deque::Stealer<T>::steal::h0b7395ee397d1034
[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:     0x55b0282e1993 - rayon_core::registry::WorkerThread::steal::{{closure}}::h975872d763bb0c06
[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:     0x55b0282deb4b - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h7abfaf7686ce0d62
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     41:     0x55b0282f8661 - core::iter::traits::iterator::Iterator::find_map::check::{{closure}}::he64f9e2db8d61210
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/traits/iterator.rs:2350:32
[INFO] [stderr]     42:     0x55b0282fa571 - core::iter::adapters::filter::filter_try_fold::{{closure}}::h0b64519fb8a0430b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/adapters/filter.rs:44:44
[INFO] [stderr]     43:     0x55b0282f996c - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::h6de3ebb67493db57
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:269:13
[INFO] [stderr]     44:     0x55b0282fa309 - core::iter::traits::iterator::Iterator::try_fold::h7a1daa0c3f7b80b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/traits/iterator.rs:1972:21
[INFO] [stderr]     45:     0x55b0282f44d4 - <core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::try_fold::h89f1be16a8b10d4f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/adapters/chain.rs:104:19
[INFO] [stderr]     46:     0x55b0282f929c - <core::iter::adapters::filter::Filter<I,P> as core::iter::traits::iterator::Iterator>::try_fold::hf99a2838ee62ab30
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/adapters/filter.rs:93:9
[INFO] [stderr]     47:     0x55b0282f9fbb - core::iter::traits::iterator::Iterator::find_map::hb053875800b9ea89
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/traits/iterator.rs:2356:9
[INFO] [stderr]     48:     0x55b0282f4819 - <core::iter::adapters::filter_map::FilterMap<I,F> as core::iter::traits::iterator::Iterator>::next::h269122c7e52fc792
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/iter/adapters/filter_map.rs:61:9
[INFO] [stderr]     49:     0x55b0282e18d2 - rayon_core::registry::WorkerThread::steal::h7cacf0683712a643
[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:     0x55b0282e15a2 - rayon_core::registry::WorkerThread::wait_until_cold::{{closure}}::h82470cb7e073df7e
[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:     0x55b0282eb5a1 - core::option::Option<T>::or_else::h2eac1ea1772923ff
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/option.rs:790:21
[INFO] [stderr]     52:     0x55b0282e0eb7 - rayon_core::registry::WorkerThread::wait_until_cold::h1bd662f39d06800b
[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:     0x55b0282e0c9c - rayon_core::registry::WorkerThread::wait_until::h71cf2177a2877c1e
[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:     0x55b0282e1fff - rayon_core::registry::main_loop::hefd16456bbe111cb
[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:     0x55b0282e020c - rayon_core::registry::Registry::new::{{closure}}::hdad564fc2783a911
[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:     0x55b0282dd2ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd2fa1b2cec9ec26e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     57:     0x55b0282f3922 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h46762e3fb3a6890e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stderr]     58:     0x55b0282f91d2 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5209702dd2c6f0dc
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stderr]     59:     0x55b0282ddb74 - std::panicking::try::do_call::h9d4ced1fcf9d4e0c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     60:     0x55b0282deb0d - __rust_try
[INFO] [stderr]     61:     0x55b0282dd930 - std::panicking::try::h804b4f31a3401cfd
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     62:     0x55b0282f9742 - std::panic::catch_unwind::h163a3549de1918b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     63:     0x55b0282f371c - std::thread::Builder::spawn_unchecked::{{closure}}::h724f4d5f27dc0253
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stderr]     64:     0x55b0282f6cbf - core::ops::function::FnOnce::call_once{{vtable.shim}}::h54c945232f32cde7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     65:     0x55b02834cd17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]     66:     0x55b02834cd17 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]     67:     0x55b02834cd17 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]     68:     0x7f5e5f6b2609 - start_thread
[INFO] [stderr]     69:     0x7f5e5f5d3293 - 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" "50b1f851be1f92ca5a6d8b1a8487d63f16d498a461a7d9d366ab2353e9d3b567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b1f851be1f92ca5a6d8b1a8487d63f16d498a461a7d9d366ab2353e9d3b567", kill_on_drop: false }`
[INFO] [stdout] 50b1f851be1f92ca5a6d8b1a8487d63f16d498a461a7d9d366ab2353e9d3b567
