[INFO] fetching crate simsearch 0.2.3...
[INFO] testing simsearch-0.2.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate simsearch 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate simsearch 0.2.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simsearch 0.2.3
[INFO] finished tweaking crates.io crate simsearch 0.2.3
[INFO] tweaked toml for crates.io crate simsearch 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate simsearch 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f984044d7dc9f7fbaef016a1d8585a52cb17f932f75db04b9c1cb2a137d4108
[INFO] running `Command { std: "docker" "start" "-a" "5f984044d7dc9f7fbaef016a1d8585a52cb17f932f75db04b9c1cb2a137d4108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f984044d7dc9f7fbaef016a1d8585a52cb17f932f75db04b9c1cb2a137d4108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f984044d7dc9f7fbaef016a1d8585a52cb17f932f75db04b9c1cb2a137d4108", kill_on_drop: false }`
[INFO] [stdout] 5f984044d7dc9f7fbaef016a1d8585a52cb17f932f75db04b9c1cb2a137d4108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d2fb26167b2be654f47ef83865f70bc06ae4bdcbe941911f676329396b9bc7
[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" "47d2fb26167b2be654f47ef83865f70bc06ae4bdcbe941911f676329396b9bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling triple_accel v0.3.4
[INFO] [stderr]    Compiling simsearch v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "47d2fb26167b2be654f47ef83865f70bc06ae4bdcbe941911f676329396b9bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d2fb26167b2be654f47ef83865f70bc06ae4bdcbe941911f676329396b9bc7", kill_on_drop: false }`
[INFO] [stdout] 47d2fb26167b2be654f47ef83865f70bc06ae4bdcbe941911f676329396b9bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beaf66da60a7acdea8c456da97bd301eccf8a2ee3b7169cab60b6724c3a0b4dd
[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" "beaf66da60a7acdea8c456da97bd301eccf8a2ee3b7169cab60b6724c3a0b4dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling json v0.11.15
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling simsearch v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 44.88s
[INFO] running `Command { std: "docker" "inspect" "beaf66da60a7acdea8c456da97bd301eccf8a2ee3b7169cab60b6724c3a0b4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beaf66da60a7acdea8c456da97bd301eccf8a2ee3b7169cab60b6724c3a0b4dd", kill_on_drop: false }`
[INFO] [stdout] beaf66da60a7acdea8c456da97bd301eccf8a2ee3b7169cab60b6724c3a0b4dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12fdcb1304deec5484f02e5a3e852b85046171322769df229fb10478d05d3e7b
[INFO] running `Command { std: "docker" "start" "-a" "12fdcb1304deec5484f02e5a3e852b85046171322769df229fb10478d05d3e7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simsearch-c4ec261be0d383ea)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-dced5278b160442e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_quickcheck ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_quickcheck stdout ----
[INFO] [stdout] thread 'test_quickcheck' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', tests/lib.rs:19:47
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5578ac3fca10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5578ac3fca10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5578ac3fca10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5578ac3fca10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5578ac41f90c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5578ac3f99a5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5578ac3feb7b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5578ac3feb7b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5578ac3feb7b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5578ac3fe68c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5578ac3ff244 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5578ac3fed27 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5578ac3fcf0c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5578ac3fec89 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5578ac107b61 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5578ac107c53 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x5578ac11aa2e - core::result::Result<T,E>::unwrap::h9aaae249e1ebb6c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x5578ac12f580 - lib::populate_engine::hf29509b440d5de4a
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:19:20
[INFO] [stdout]   18:     0x5578ac11bce0 - <lib::ENGINE as core::ops::deref::Deref>::deref::__static_ref_initialize::h62a23c39f5942f63
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:13:44
[INFO] [stdout]   19:     0x5578ac11bce0 - core::ops::function::FnOnce::call_once::h57bc052a530989d7
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5578ac11b8a4 - lazy_static::lazy::Lazy<T>::get::{{closure}}::ha3ac3d1de654861f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stdout]   21:     0x5578ac118b3b - std::sync::once::Once::call_once::{{closure}}::h4deb26c2dca7a7db
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sync/once.rs:261:41
[INFO] [stdout]   22:     0x5578ac106d2c - std::sync::once::Once::call_inner::hc348bcc9497238cf
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sync/once.rs:418:21
[INFO] [stdout]   23:     0x5578ac118ac8 - std::sync::once::Once::call_once::h8da947386571e399
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sync/once.rs:261:9
[INFO] [stdout]   24:     0x5578ac12f975 - lazy_static::lazy::Lazy<T>::get::h5f9be0bfce44c5e3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   25:     0x5578ac12f975 - <lib::ENGINE as core::ops::deref::Deref>::deref::__stability::h3571dbdf6b511dc0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   26:     0x5578ac12f975 - <lib::ENGINE as core::ops::deref::Deref>::deref::hd0f6464322083bc7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   27:     0x5578ac12fa25 - lib::test_quickcheck::test_quickcheck::h8298f805fd199ccb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:34:5
[INFO] [stdout]   28:     0x5578ac12f416 - <fn(A) .> T as quickcheck::tester::Testable>::result::{{closure}}::h8a7873832de10b1c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366:35
[INFO] [stdout]   29:     0x5578ac12fbe1 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hae782331585dcea1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   30:     0x5578ac131eb2 - std::panicking::try::do_call::h9fbeba75614f5dcb
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   31:     0x5578ac13330d - __rust_try
[INFO] [stdout]   32:     0x5578ac131d90 - std::panicking::try::hec9ba49d3f668c55
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x5578ac130541 - std::panic::catch_unwind::haca841c9f281bf08
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x5578ac12d293 - quickcheck::tester::safe::h499e0ba09678ec3e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393:5
[INFO] [stdout]   35:     0x5578ac12f0b1 - <fn(A) .> T as quickcheck::tester::Testable>::result::h877c79a06d396f66
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366:21
[INFO] [stdout]   36:     0x5578ac12d0df - quickcheck::tester::QuickCheck<G>::quicktest::hab4a9521e017b920
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135:19
[INFO] [stdout]   37:     0x5578ac12cca8 - quickcheck::tester::QuickCheck<G>::quickcheck::h330d3b617520ba64
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174:36
[INFO] [stdout]   38:     0x5578ac12cc1c - quickcheck::tester::quickcheck::h99fa936bec704e6c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193:40
[INFO] [stdout]   39:     0x5578ac12fa0d - lib::test_quickcheck::h0c382b03bff9d455
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   40:     0x5578ac12f9ea - lib::test_quickcheck::{{closure}}::hf90eee14073cb082
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   41:     0x5578ac11bdce - core::ops::function::FnOnce::call_once::hc0511a94174a1643
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   42:     0x5578ac336023 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   43:     0x5578ac336023 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   44:     0x5578ac334ab0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   45:     0x5578ac334ab0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   46:     0x5578ac334ab0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   47:     0x5578ac334ab0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   48:     0x5578ac334ab0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   49:     0x5578ac334ab0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   50:     0x5578ac334ab0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   51:     0x5578ac30e072 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   52:     0x5578ac30e072 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   53:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   54:     0x5578ac311cc8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   55:     0x5578ac311cc8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   56:     0x5578ac311cc8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   57:     0x5578ac311cc8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   58:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   59:     0x5578ac311cc8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   60:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   61:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   62:     0x5578ac403e37 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   63:     0x7f2d1b582609 - start_thread
[INFO] [stdout]   64:     0x7f2d1b35a293 - clone
[INFO] [stdout]   65:                0x0 - <unknown>
[INFO] [stdout] thread 'test_quickcheck' panicked at 'Once instance has previously been poisoned', library/std/src/sync/once.rs:392:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5578ac3fca10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5578ac3fca10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5578ac3fca10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5578ac3fca10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5578ac41f90c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5578ac3f99a5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5578ac3feb7b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5578ac3feb7b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5578ac3feb7b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5578ac3fe68c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5578ac3ff244 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5578ac3fef64 - std::panicking::begin_panic::{{closure}}::h903b650f255ff098
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:542:9
[INFO] [stdout]   12:     0x5578ac3fceec - std::sys_common::backtrace::__rust_end_short_backtrace::h3028b4314130e873
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5578ac106f5c - std::panicking::begin_panic::hf352de5e11d01a55
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:541:12
[INFO] [stdout]   14:     0x5578ac106db9 - std::sync::once::Once::call_inner::hc348bcc9497238cf
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sync/once.rs:392:21
[INFO] [stdout]   15:     0x5578ac118ac8 - std::sync::once::Once::call_once::h8da947386571e399
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sync/once.rs:261:9
[INFO] [stdout]   16:     0x5578ac12f975 - lazy_static::lazy::Lazy<T>::get::h5f9be0bfce44c5e3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stdout]   17:     0x5578ac12f975 - <lib::ENGINE as core::ops::deref::Deref>::deref::__stability::h3571dbdf6b511dc0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stdout]   18:     0x5578ac12f975 - <lib::ENGINE as core::ops::deref::Deref>::deref::hd0f6464322083bc7
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stdout]   19:     0x5578ac12fa25 - lib::test_quickcheck::test_quickcheck::h8298f805fd199ccb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:34:5
[INFO] [stdout]   20:     0x5578ac12efc6 - <fn(A) .> T as quickcheck::tester::Testable>::result::shrink_failure::{{closure}}::h82fdc6bc24024135
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344:47
[INFO] [stdout]   21:     0x5578ac12fba1 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h08d0e75ebcf7b482
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   22:     0x5578ac131e52 - std::panicking::try::do_call::h64f59e52f96c2ac6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x5578ac13330d - __rust_try
[INFO] [stdout]   24:     0x5578ac131c40 - std::panicking::try::h192311387afcb2a8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x5578ac130591 - std::panic::catch_unwind::hbc6e6b45df49c67e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x5578ac12d323 - quickcheck::tester::safe::hc0f4ff32ba69ad86
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393:5
[INFO] [stdout]   27:     0x5578ac12eb6a - <fn(A) .> T as quickcheck::tester::Testable>::result::shrink_failure::ha05d230af02751f0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344:33
[INFO] [stdout]   28:     0x5578ac12f2db - <fn(A) .> T as quickcheck::tester::Testable>::result::h877c79a06d396f66
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:375:17
[INFO] [stdout]   29:     0x5578ac12d0df - quickcheck::tester::QuickCheck<G>::quicktest::hab4a9521e017b920
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135:19
[INFO] [stdout]   30:     0x5578ac12cca8 - quickcheck::tester::QuickCheck<G>::quickcheck::h330d3b617520ba64
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174:36
[INFO] [stdout]   31:     0x5578ac12cc1c - quickcheck::tester::quickcheck::h99fa936bec704e6c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193:40
[INFO] [stdout]   32:     0x5578ac12fa0d - lib::test_quickcheck::h0c382b03bff9d455
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   33:     0x5578ac12f9ea - lib::test_quickcheck::{{closure}}::hf90eee14073cb082
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   34:     0x5578ac11bdce - core::ops::function::FnOnce::call_once::hc0511a94174a1643
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   35:     0x5578ac336023 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x5578ac336023 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   37:     0x5578ac334ab0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x5578ac334ab0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   39:     0x5578ac334ab0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   40:     0x5578ac334ab0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   41:     0x5578ac334ab0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   42:     0x5578ac334ab0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   43:     0x5578ac334ab0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   44:     0x5578ac30e072 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   45:     0x5578ac30e072 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   46:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   47:     0x5578ac311cc8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   48:     0x5578ac311cc8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   49:     0x5578ac311cc8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   50:     0x5578ac311cc8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   51:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   52:     0x5578ac311cc8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   53:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   54:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   55:     0x5578ac403e37 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   56:     0x7f2d1b582609 - start_thread
[INFO] [stdout]   57:     0x7f2d1b35a293 - clone
[INFO] [stdout]   58:                0x0 - <unknown>
[INFO] [stdout] thread 'test_quickcheck' panicked at '[quickcheck] TEST FAILED (runtime error). Arguments: ([])
[INFO] [stdout] Error: "Once instance has previously been poisoned"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:176:28
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5578ac3fca10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5578ac3fca10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5578ac3fca10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5578ac3fca10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5578ac41f90c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5578ac3f99a5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x5578ac3feb7b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5578ac3feb7b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5578ac3feb7b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5578ac3fe68c - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5578ac3ff244 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5578ac131b2f - std::panicking::begin_panic::{{closure}}::h6bf0fa65e4700a0f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:542:9
[INFO] [stdout]   12:     0x5578ac129e1e - std::sys_common::backtrace::__rust_end_short_backtrace::hfc97ddca88b653cb
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5578ac131a37 - std::panicking::begin_panic::hc00856c494b98372
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:541:12
[INFO] [stdout]   14:     0x5578ac12cd77 - quickcheck::tester::QuickCheck<G>::quickcheck::h330d3b617520ba64
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:176:28
[INFO] [stdout]   15:     0x5578ac12cc1c - quickcheck::tester::quickcheck::h99fa936bec704e6c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193:40
[INFO] [stdout]   16:     0x5578ac12fa0d - lib::test_quickcheck::h0c382b03bff9d455
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   17:     0x5578ac12f9ea - lib::test_quickcheck::{{closure}}::hf90eee14073cb082
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:32:1
[INFO] [stdout]   18:     0x5578ac11bdce - core::ops::function::FnOnce::call_once::hc0511a94174a1643
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x5578ac336023 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5578ac336023 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   21:     0x5578ac334ab0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   22:     0x5578ac334ab0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   23:     0x5578ac334ab0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x5578ac334ab0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x5578ac334ab0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x5578ac334ab0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   27:     0x5578ac334ab0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   28:     0x5578ac30e072 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   29:     0x5578ac30e072 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   31:     0x5578ac311cc8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   32:     0x5578ac311cc8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x5578ac311cc8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x5578ac311cc8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x5578ac311cc8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   36:     0x5578ac311cc8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x5578ac403e37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x5578ac403e37 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   40:     0x7f2d1b582609 - start_thread
[INFO] [stdout]   41:     0x7f2d1b35a293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_quickcheck
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] running `Command { std: "docker" "inspect" "12fdcb1304deec5484f02e5a3e852b85046171322769df229fb10478d05d3e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fdcb1304deec5484f02e5a3e852b85046171322769df229fb10478d05d3e7b", kill_on_drop: false }`
[INFO] [stdout] 12fdcb1304deec5484f02e5a3e852b85046171322769df229fb10478d05d3e7b