[INFO] crate simsearch 0.1.4 is already in cache [INFO] extracting crate simsearch 0.1.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/simsearch/0.1.4 [INFO] extracting crate simsearch 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/simsearch/0.1.4 [INFO] validating manifest of simsearch-0.1.4 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of simsearch-0.1.4 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing simsearch-0.1.4 [INFO] finished frobbing simsearch-0.1.4 [INFO] frobbed toml for simsearch-0.1.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/simsearch/0.1.4/Cargo.toml [INFO] started frobbing simsearch-0.1.4 [INFO] finished frobbing simsearch-0.1.4 [INFO] frobbed toml for simsearch-0.1.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/simsearch/0.1.4/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing simsearch-0.1.4 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/simsearch/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 967515c0969161dd13997b91278229e335d6f961cfd747e25ec49074e0a7561a [INFO] running `"docker" "start" "-a" "967515c0969161dd13997b91278229e335d6f961cfd747e25ec49074e0a7561a"` [INFO] [stderr] Compiling simsearch v0.1.4 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `"docker" "inspect" "967515c0969161dd13997b91278229e335d6f961cfd747e25ec49074e0a7561a"` [INFO] running `"docker" "rm" "-f" "967515c0969161dd13997b91278229e335d6f961cfd747e25ec49074e0a7561a"` [INFO] [stdout] 967515c0969161dd13997b91278229e335d6f961cfd747e25ec49074e0a7561a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/simsearch/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] ce3fdc1267133ad9dfa45959485a085b67e4e80bfc0da7026f05873bc9ae795e [INFO] running `"docker" "start" "-a" "ce3fdc1267133ad9dfa45959485a085b67e4e80bfc0da7026f05873bc9ae795e"` [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling simsearch v0.1.4 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.56s [INFO] running `"docker" "inspect" "ce3fdc1267133ad9dfa45959485a085b67e4e80bfc0da7026f05873bc9ae795e"` [INFO] running `"docker" "rm" "-f" "ce3fdc1267133ad9dfa45959485a085b67e4e80bfc0da7026f05873bc9ae795e"` [INFO] [stdout] ce3fdc1267133ad9dfa45959485a085b67e4e80bfc0da7026f05873bc9ae795e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/simsearch/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] af7af7a9de1baecea566fa0451dbf4c6b33e567dd304c6cdd4d7603820cabcb7 [INFO] running `"docker" "start" "-a" "af7af7a9de1baecea566fa0451dbf4c6b33e567dd304c6cdd4d7603820cabcb7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/crater/target/debug/deps/simsearch-ea72cce014c17b61 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/lib-de9e330536564dba [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" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5652ce25757b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5652ce25757b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5652ce25757b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5652ce25757b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5652ce25757b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5652ce2571ea - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5652ce257cf0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5652ce257872 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5652ce257756 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x5652ce26e22d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5652ce236438 - core::result::unwrap_failed::h2bb91d685e8a3430 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5652cdf82ecc - core::result::Result::unwrap::h9b3a4e427e220f12 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5652cdf846b8 - lib::populate_engine::h9fbe50266c95a18b [INFO] [stdout] at tests/lib.rs:19 [INFO] [stdout] 13: 0x5652cdf80610 - ::deref::__static_ref_initialize::hde6ba69921d43ff2 [INFO] [stdout] at tests/lib.rs:13 [INFO] [stdout] 14: 0x5652cdf80610 - core::ops::function::FnOnce::call_once::h260d115dde1b9b09 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 15: 0x5652cdf8f5a9 - lazy_static::lazy::Lazy::get::{{closure}}::h1cda96d91c910518 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28 [INFO] [stdout] 16: 0x5652cdfa89db - std::sync::once::Once::call_once::{{closure}}::h27a83f527eb4208b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sync/once.rs:225 [INFO] [stdout] 17: 0x5652ce254504 - std::sync::once::Once::call_inner::h2daeac7a28e6dd90 [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 18: 0x5652cdfa8963 - std::sync::once::Once::call_once::hb0df3ddafaccb67a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sync/once.rs:225 [INFO] [stdout] 19: 0x5652cdf84a55 - lazy_static::lazy::Lazy::get::hda30c0e633503739 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stdout] 20: 0x5652cdf84a55 - ::deref::__stability::hbd0df9a9e9f13651 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12 [INFO] [stdout] 21: 0x5652cdf84a55 - ::deref::h5b79c2a4f2c94eb4 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13 [INFO] [stdout] 22: 0x5652cdf84b18 - lib::test_quickcheck::test_quickcheck::he35d76a3359d5fa4 [INFO] [stdout] at tests/lib.rs:35 [INFO] [stdout] 23: 0x5652cdf8be66 - T as quickcheck::tester::Testable>::result::{{closure}}::hdf7830c7343ecbef [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366 [INFO] [stdout] 24: 0x5652cdf8e711 - as core::ops::function::FnOnce<()>>::call_once::hc8b1ccb3ab401a4f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x5652cdfa8f4a - std::panicking::try::do_call::h617849f147063463 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 27: 0x5652cdfa8d8f - std::panicking::try::h2e0a8e0aeb3836d4 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x5652cdf8f641 - std::panic::catch_unwind::h5447d1f664883930 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x5652cdf89fe9 - quickcheck::tester::safe::h7a8372846efd7616 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393 [INFO] [stdout] 30: 0x5652cdf8ba9a - T as quickcheck::tester::Testable>::result::h406f024c61e2cc36 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366 [INFO] [stdout] 31: 0x5652cdf89d72 - quickcheck::tester::QuickCheck::quicktest::hcfcd2404d49cef1c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135 [INFO] [stdout] 32: 0x5652cdf898ab - quickcheck::tester::QuickCheck::quickcheck::hf235b2a28e51e57d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174 [INFO] [stdout] 33: 0x5652cdf89820 - quickcheck::tester::quickcheck::ha533814107f365fa [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 34: 0x5652cdf84afd - lib::test_quickcheck::hf4b9dc5b50ca6c8a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 35: 0x5652cdf84ada - lib::test_quickcheck::{{closure}}::hadcea59e99e59b37 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 36: 0x5652cdf8062e - core::ops::function::FnOnce::call_once::h292764d3c6561db6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 37: 0x5652ce1ed58f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 38: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5652ce207b88 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5652ce207b88 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5652ce207b88 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 42: 0x5652ce1e2a05 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 43: 0x5652ce1e6b85 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 44: 0x5652ce1e6b85 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 45: 0x5652ce1e6b85 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 46: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 47: 0x5652ce1e71c2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 48: 0x5652ce1e71c2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 49: 0x5652ce1e71c2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 50: 0x5652ce1e71c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 51: 0x5652ce24d0af - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 52: 0x5652ce259a50 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 53: 0x5652ce259a50 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 54: 0x5652ce259a50 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 55: 0x7f4f256e54a4 - start_thread [INFO] [stdout] 56: 0x7f4f25210d0f - __clone [INFO] [stdout] 57: 0x0 - [INFO] [stdout] thread 'test_quickcheck' panicked at 'Once instance has previously been poisoned', src/libstd/sync/once.rs:367:21 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5652ce25757b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5652ce25757b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5652ce25757b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5652ce25757b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5652ce25757b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5652ce2571ea - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5652ce257cf0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5652ce257ab5 - std::panicking::begin_panic::h57ff9385e1121300 [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5652ce254555 - std::sync::once::Once::call_inner::h2daeac7a28e6dd90 [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x5652cdfa8963 - std::sync::once::Once::call_once::hb0df3ddafaccb67a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x5652cdf84a55 - lazy_static::lazy::Lazy::get::hda30c0e633503739 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27 [INFO] [stdout] 11: 0x5652cdf84a55 - ::deref::__stability::hbd0df9a9e9f13651 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:12 [INFO] [stdout] 12: 0x5652cdf84a55 - ::deref::h5b79c2a4f2c94eb4 [INFO] [stdout] at /opt/crater/workdir/<::lazy_static::__lazy_static_internal macros>:13 [INFO] [stdout] 13: 0x5652cdf84b18 - lib::test_quickcheck::test_quickcheck::he35d76a3359d5fa4 [INFO] [stdout] at tests/lib.rs:35 [INFO] [stdout] 14: 0x5652cdf8b9a6 - T as quickcheck::tester::Testable>::result::shrink_failure::{{closure}}::h7c336f1cf5a76fbc [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344 [INFO] [stdout] 15: 0x5652cdf8e751 - as core::ops::function::FnOnce<()>>::call_once::hf6d41c939dbac0f8 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x5652cdfa8fca - std::panicking::try::do_call::h9474b3834e93d804 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 18: 0x5652cdfa8baf - std::panicking::try::h1008311b2015e179 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x5652cdf8f691 - std::panic::catch_unwind::hf68bc680cff17eb3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x5652cdf89f59 - quickcheck::tester::safe::h5c88f7c00227e4de [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393 [INFO] [stdout] 21: 0x5652cdf8b48b - T as quickcheck::tester::Testable>::result::shrink_failure::hfb6f2a95ae908a39 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344 [INFO] [stdout] 22: 0x5652cdf8bba0 - T as quickcheck::tester::Testable>::result::h406f024c61e2cc36 [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:375 [INFO] [stdout] 23: 0x5652cdf89d72 - quickcheck::tester::QuickCheck::quicktest::hcfcd2404d49cef1c [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135 [INFO] [stdout] 24: 0x5652cdf898ab - quickcheck::tester::QuickCheck::quickcheck::hf235b2a28e51e57d [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174 [INFO] [stdout] 25: 0x5652cdf89820 - quickcheck::tester::quickcheck::ha533814107f365fa [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 26: 0x5652cdf84afd - lib::test_quickcheck::hf4b9dc5b50ca6c8a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 27: 0x5652cdf84ada - lib::test_quickcheck::{{closure}}::hadcea59e99e59b37 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 28: 0x5652cdf8062e - core::ops::function::FnOnce::call_once::h292764d3c6561db6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 29: 0x5652ce1ed58f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 30: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 31: 0x5652ce207b88 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x5652ce207b88 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x5652ce207b88 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 34: 0x5652ce1e2a05 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x5652ce1e6b85 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x5652ce1e6b85 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x5652ce1e6b85 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 39: 0x5652ce1e71c2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x5652ce1e71c2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x5652ce1e71c2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x5652ce1e71c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 43: 0x5652ce24d0af - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 44: 0x5652ce259a50 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 45: 0x5652ce259a50 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x5652ce259a50 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7f4f256e54a4 - start_thread [INFO] [stdout] 48: 0x7f4f25210d0f - __clone [INFO] [stdout] 49: 0x0 - [INFO] [stdout] thread 'test_quickcheck' panicked at '[quickcheck] TEST FAILED (runtime error). Arguments: ([]) [INFO] [stdout] Error: "Once instance has previously been poisoned"', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:176:28 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5652ce25757b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5652ce25757b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5652ce25757b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5652ce25757b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5652ce25757b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5652ce2571ea - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x5652ce257cf0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5652cdfa8a73 - std::panicking::begin_panic::h8ef7b50233137dae [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x5652cdf8997e - quickcheck::tester::QuickCheck::quickcheck::hf235b2a28e51e57d [INFO] [stdout] at /opt/crater/workdir/<::std::macros::panic macros>:4 [INFO] [stdout] 9: 0x5652cdf89820 - quickcheck::tester::quickcheck::ha533814107f365fa [INFO] [stdout] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 10: 0x5652cdf84afd - lib::test_quickcheck::hf4b9dc5b50ca6c8a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 11: 0x5652cdf84ada - lib::test_quickcheck::{{closure}}::hadcea59e99e59b37 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 12: 0x5652cdf8062e - core::ops::function::FnOnce::call_once::h292764d3c6561db6 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x5652ce1ed58f - as core::ops::function::FnOnce>::call_once::h9568fda2c3b99042 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 14: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 15: 0x5652ce207b88 - std::panicking::try::h4b4c6c15836266eb [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 16: 0x5652ce207b88 - std::panic::catch_unwind::h133691b514d0224c [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 17: 0x5652ce207b88 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 18: 0x5652ce1e2a05 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 19: 0x5652ce1e6b85 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470 [INFO] [stdout] 20: 0x5652ce1e6b85 - as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315 [INFO] [stdout] 21: 0x5652ce1e6b85 - std::panicking::try::do_call::h59b39c89384b7a2f [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296 [INFO] [stdout] 22: 0x5652ce25a61a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 23: 0x5652ce1e71c2 - std::panicking::try::h9fff34be50f16431 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275 [INFO] [stdout] 24: 0x5652ce1e71c2 - std::panic::catch_unwind::h7551856ff7c5e12a [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x5652ce1e71c2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469 [INFO] [stdout] 26: 0x5652ce1e71c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231 [INFO] [stdout] 27: 0x5652ce24d0af - as core::ops::function::FnOnce>::call_once::h55ef432b72ff7a0b [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 28: 0x5652ce259a50 - as core::ops::function::FnOnce>::call_once::h9294a5138530eae1 [INFO] [stdout] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746 [INFO] [stdout] 29: 0x5652ce259a50 - std::sys_common::thread::start_thread::h0d2733dd32c3723c [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 30: 0x5652ce259a50 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 31: 0x7f4f256e54a4 - start_thread [INFO] [stdout] 32: 0x7f4f25210d0f - __clone [INFO] [stdout] 33: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test lib' [INFO] running `"docker" "inspect" "af7af7a9de1baecea566fa0451dbf4c6b33e567dd304c6cdd4d7603820cabcb7"` [INFO] running `"docker" "rm" "-f" "af7af7a9de1baecea566fa0451dbf4c6b33e567dd304c6cdd4d7603820cabcb7"` [INFO] [stdout] af7af7a9de1baecea566fa0451dbf4c6b33e567dd304c6cdd4d7603820cabcb7