[INFO] crate simsearch 0.1.4 is already in cache [INFO] testing simsearch-0.1.4 against 1.38.0 for beta-1.39-1 [INFO] extracting crate simsearch 0.1.4 into work/builds/worker-8/source [INFO] validating manifest of crates.io crate simsearch 0.1.4 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate simsearch 0.1.4 [INFO] finished tweaking crates.io crate simsearch 0.1.4 [INFO] tweaked toml for crates.io crate simsearch 0.1.4 written to work/builds/worker-8/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 0a67f368feb1b5a5bb76d28c8a12f0a93830f58cf3642eb3d9c983449d515c9b [INFO] running `"docker" "start" "-a" "0a67f368feb1b5a5bb76d28c8a12f0a93830f58cf3642eb3d9c983449d515c9b"` [INFO] [stderr] Compiling simsearch v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "0a67f368feb1b5a5bb76d28c8a12f0a93830f58cf3642eb3d9c983449d515c9b"` [INFO] running `"docker" "rm" "-f" "0a67f368feb1b5a5bb76d28c8a12f0a93830f58cf3642eb3d9c983449d515c9b"` [INFO] [stdout] 0a67f368feb1b5a5bb76d28c8a12f0a93830f58cf3642eb3d9c983449d515c9b [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 153f5846552bf88ed42be70992614c569c81ee4941afcd5325318323a7a52126 [INFO] running `"docker" "start" "-a" "153f5846552bf88ed42be70992614c569c81ee4941afcd5325318323a7a52126"` [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling simsearch v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.41s [INFO] running `"docker" "inspect" "153f5846552bf88ed42be70992614c569c81ee4941afcd5325318323a7a52126"` [INFO] running `"docker" "rm" "-f" "153f5846552bf88ed42be70992614c569c81ee4941afcd5325318323a7a52126"` [INFO] [stdout] 153f5846552bf88ed42be70992614c569c81ee4941afcd5325318323a7a52126 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 7d7e0d89b23c1d1c97ab486bc711369a6467644d59c0bfee0168024964b0be38 [INFO] running `"docker" "start" "-a" "7d7e0d89b23c1d1c97ab486bc711369a6467644d59c0bfee0168024964b0be38"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/simsearch-893df9ce4f9a79a3 [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/rustwide/target/debug/deps/lib-d70c15b5509e8ee8 [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:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x556c2730cc8b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x556c2730cc8b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556c2730cc8b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x556c2730cc8b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x556c2730cc8b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x556c2730c8fc - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x556c2730d3fd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x556c2730cf82 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x556c2730ce66 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x556c27323c7d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x556c27323d77 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x556c2700eb90 - core::result::Result::unwrap::h7adc56bdbe8278f2 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:852 [INFO] [stdout] 12: 0x556c270117d2 - lib::populate_engine::h8e510438df9e3f64 [INFO] [stdout] at tests/lib.rs:19 [INFO] [stdout] 13: 0x556c27009760 - ::deref::__static_ref_initialize::h05db360614f6c66c [INFO] [stdout] at tests/lib.rs:13 [INFO] [stdout] 14: 0x556c27009760 - core::ops::function::FnOnce::call_once::hb80c1fe17197e160 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 15: 0x556c2702bda6 - lazy_static::lazy::Lazy::get::{{closure}}::hbc40d9c4e3f7a474 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31 [INFO] [stdout] 16: 0x556c2702c05b - std::sync::once::Once::call_once::{{closure}}::h4d21fe86acb7fe3a [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sync/once.rs:225 [INFO] [stdout] 17: 0x556c27309b68 - std::sync::once::Once::call_inner::hd4f4cc742be97eac [INFO] [stdout] at src/libstd/sync/once.rs:392 [INFO] [stdout] 18: 0x556c2702bfe3 - std::sync::once::Once::call_once::h4b64cc827f528d3b [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sync/once.rs:225 [INFO] [stdout] 19: 0x556c27011b47 - lazy_static::lazy::Lazy::get::hdf7626fbf2a0577e [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30 [INFO] [stdout] 20: 0x556c27011b47 - ::deref::__stability::hec477c2811b88710 [INFO] [stdout] at /opt/rustwide/workdir/<::lazy_static::__lazy_static_internal macros>:16 [INFO] [stdout] 21: 0x556c27011b47 - ::deref::h8d473a05761d3572 [INFO] [stdout] at /opt/rustwide/workdir/<::lazy_static::__lazy_static_internal macros>:18 [INFO] [stdout] 22: 0x556c27011bf8 - lib::test_quickcheck::test_quickcheck::h89fc108ff2c824df [INFO] [stdout] at tests/lib.rs:35 [INFO] [stdout] 23: 0x556c270186b6 - T as quickcheck::tester::Testable>::result::{{closure}}::h9ee356a0742291bd [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366 [INFO] [stdout] 24: 0x556c27014571 - as core::ops::function::FnOnce<()>>::call_once::hf75ae77e00979447 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 25: 0x556c27007971 - std::panicking::try::do_call::h0f7bff875ca8eb2c [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 26: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 27: 0x556c270077d3 - std::panicking::try::hcdc30325d3daf07e [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 28: 0x556c270169a1 - std::panic::catch_unwind::h354988b21c4faab5 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 29: 0x556c27014e69 - quickcheck::tester::safe::h5f6a71e6ada07557 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393 [INFO] [stdout] 30: 0x556c27018307 - T as quickcheck::tester::Testable>::result::hc07fe7405cc526c7 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:366 [INFO] [stdout] 31: 0x556c27014ca2 - quickcheck::tester::QuickCheck::quicktest::ha846ab8bc281c015 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135 [INFO] [stdout] 32: 0x556c27014817 - quickcheck::tester::QuickCheck::quickcheck::hdb26624d8bb85610 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174 [INFO] [stdout] 33: 0x556c27014791 - quickcheck::tester::quickcheck::h923ba647aa00b83e [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 34: 0x556c27011bdd - lib::test_quickcheck::hc79ab4c826930921 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 35: 0x556c27011bba - lib::test_quickcheck::{{closure}}::hc8f5bde4b0f3f92a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 36: 0x556c270097be - core::ops::function::FnOnce::call_once::hee76d9bc19508145 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 37: 0x556c272a330f - as core::ops::function::FnOnce>::call_once::hac0fbe2754f8bd24 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 38: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 39: 0x556c272bd8fe - std::panicking::try::h9d6938917cc05e3f [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x556c272bd8fe - std::panic::catch_unwind::h5be70fd1d69515b0 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x556c272bd8fe - test::run_test::run_test_inner::{{closure}}::h056f206eafd8ff6e [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 42: 0x556c27298d35 - std::sys_common::backtrace::__rust_begin_short_backtrace::h859abbc742a34b19 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 43: 0x556c2729ce75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf8192ec938c43694 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stdout] 44: 0x556c2729ce75 - as core::ops::function::FnOnce<()>>::call_once::hae7b2431555cb4db [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 45: 0x556c2729ce75 - std::panicking::try::do_call::h6da7ecd0783259d7 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 46: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 47: 0x556c2729d452 - std::panicking::try::h3c1c35414c2c78f1 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 48: 0x556c2729d452 - std::panic::catch_unwind::ha5cfb2018fda983e [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 49: 0x556c2729d452 - std::thread::Builder::spawn_unchecked::{{closure}}::hc7620e41f0938c09 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stdout] 50: 0x556c2729d452 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b3b20eeb6ea6ddd [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 51: 0x556c2730268f - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 52: 0x556c2730f310 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 53: 0x556c2730f310 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 54: 0x556c2730f310 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 55: 0x7f5e2cf9a6db - start_thread [INFO] [stdout] 56: 0x7f5e2caab88f - __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: 0x556c2730cc8b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x556c2730cc8b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556c2730cc8b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x556c2730cc8b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x556c2730cc8b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x556c2730c8fc - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x556c2730d3fd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x556c2730d1c5 - std::panicking::begin_panic::h85f73212c1a2ebae [INFO] [stdout] at src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x556c27309bb9 - std::sync::once::Once::call_inner::hd4f4cc742be97eac [INFO] [stdout] at src/libstd/sync/once.rs:367 [INFO] [stdout] 9: 0x556c2702bfe3 - std::sync::once::Once::call_once::h4b64cc827f528d3b [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sync/once.rs:225 [INFO] [stdout] 10: 0x556c27011b47 - lazy_static::lazy::Lazy::get::hdf7626fbf2a0577e [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30 [INFO] [stdout] 11: 0x556c27011b47 - ::deref::__stability::hec477c2811b88710 [INFO] [stdout] at /opt/rustwide/workdir/<::lazy_static::__lazy_static_internal macros>:16 [INFO] [stdout] 12: 0x556c27011b47 - ::deref::h8d473a05761d3572 [INFO] [stdout] at /opt/rustwide/workdir/<::lazy_static::__lazy_static_internal macros>:18 [INFO] [stdout] 13: 0x556c27011bf8 - lib::test_quickcheck::test_quickcheck::h89fc108ff2c824df [INFO] [stdout] at tests/lib.rs:35 [INFO] [stdout] 14: 0x556c27018216 - T as quickcheck::tester::Testable>::result::shrink_failure::{{closure}}::h5b1198775d83f923 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344 [INFO] [stdout] 15: 0x556c27014531 - as core::ops::function::FnOnce<()>>::call_once::h027206d2a04c2770 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 16: 0x556c270079f1 - std::panicking::try::do_call::h863c5dee01ab6614 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 17: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: 0x556c27007613 - std::panicking::try::h7e4b5e9a5dd2649c [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 19: 0x556c270169f1 - std::panic::catch_unwind::h8d750c816eda1055 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x556c27014ef9 - quickcheck::tester::safe::hfd0fad86e8537bd2 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:393 [INFO] [stdout] 21: 0x556c27017d04 - T as quickcheck::tester::Testable>::result::shrink_failure::hd00a8f608901eda2 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:344 [INFO] [stdout] 22: 0x556c2701840d - T as quickcheck::tester::Testable>::result::hc07fe7405cc526c7 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:375 [INFO] [stdout] 23: 0x556c27014ca2 - quickcheck::tester::QuickCheck::quicktest::ha846ab8bc281c015 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:135 [INFO] [stdout] 24: 0x556c27014817 - quickcheck::tester::QuickCheck::quickcheck::hdb26624d8bb85610 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:174 [INFO] [stdout] 25: 0x556c27014791 - quickcheck::tester::quickcheck::h923ba647aa00b83e [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 26: 0x556c27011bdd - lib::test_quickcheck::hc79ab4c826930921 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 27: 0x556c27011bba - lib::test_quickcheck::{{closure}}::hc8f5bde4b0f3f92a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 28: 0x556c270097be - core::ops::function::FnOnce::call_once::hee76d9bc19508145 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 29: 0x556c272a330f - as core::ops::function::FnOnce>::call_once::hac0fbe2754f8bd24 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 30: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 31: 0x556c272bd8fe - std::panicking::try::h9d6938917cc05e3f [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 32: 0x556c272bd8fe - std::panic::catch_unwind::h5be70fd1d69515b0 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 33: 0x556c272bd8fe - test::run_test::run_test_inner::{{closure}}::h056f206eafd8ff6e [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 34: 0x556c27298d35 - std::sys_common::backtrace::__rust_begin_short_backtrace::h859abbc742a34b19 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 35: 0x556c2729ce75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf8192ec938c43694 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stdout] 36: 0x556c2729ce75 - as core::ops::function::FnOnce<()>>::call_once::hae7b2431555cb4db [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 37: 0x556c2729ce75 - std::panicking::try::do_call::h6da7ecd0783259d7 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 38: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 39: 0x556c2729d452 - std::panicking::try::h3c1c35414c2c78f1 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 40: 0x556c2729d452 - std::panic::catch_unwind::ha5cfb2018fda983e [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 41: 0x556c2729d452 - std::thread::Builder::spawn_unchecked::{{closure}}::hc7620e41f0938c09 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stdout] 42: 0x556c2729d452 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b3b20eeb6ea6ddd [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 43: 0x556c2730268f - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 44: 0x556c2730f310 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 45: 0x556c2730f310 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 46: 0x556c2730f310 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 47: 0x7f5e2cf9a6db - start_thread [INFO] [stdout] 48: 0x7f5e2caab88f - __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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:176:28 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x556c2730cc8b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x556c2730cc8b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x556c2730cc8b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x556c2730cc8b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x556c2730cc8b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x556c2730c8fc - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x556c2730d3fd - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x556c270074f0 - std::panicking::begin_panic::hec3cd0b54340a782 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:411 [INFO] [stdout] 8: 0x556c270148cc - quickcheck::tester::QuickCheck::quickcheck::hdb26624d8bb85610 [INFO] [stdout] at /opt/rustwide/workdir/<::std::macros::panic macros>:3 [INFO] [stdout] 9: 0x556c27014791 - quickcheck::tester::quickcheck::h923ba647aa00b83e [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.8.5/src/tester.rs:193 [INFO] [stdout] 10: 0x556c27011bdd - lib::test_quickcheck::hc79ab4c826930921 [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 11: 0x556c27011bba - lib::test_quickcheck::{{closure}}::hc8f5bde4b0f3f92a [INFO] [stdout] at tests/lib.rs:33 [INFO] [stdout] 12: 0x556c270097be - core::ops::function::FnOnce::call_once::hee76d9bc19508145 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 13: 0x556c272a330f - as core::ops::function::FnOnce>::call_once::hac0fbe2754f8bd24 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 14: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 15: 0x556c272bd8fe - std::panicking::try::h9d6938917cc05e3f [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 16: 0x556c272bd8fe - std::panic::catch_unwind::h5be70fd1d69515b0 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 17: 0x556c272bd8fe - test::run_test::run_test_inner::{{closure}}::h056f206eafd8ff6e [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 18: 0x556c27298d35 - std::sys_common::backtrace::__rust_begin_short_backtrace::h859abbc742a34b19 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 19: 0x556c2729ce75 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf8192ec938c43694 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:470 [INFO] [stdout] 20: 0x556c2729ce75 - as core::ops::function::FnOnce<()>>::call_once::hae7b2431555cb4db [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:315 [INFO] [stdout] 21: 0x556c2729ce75 - std::panicking::try::do_call::h6da7ecd0783259d7 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:296 [INFO] [stdout] 22: 0x556c2730ff3a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 23: 0x556c2729d452 - std::panicking::try::h3c1c35414c2c78f1 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panicking.rs:275 [INFO] [stdout] 24: 0x556c2729d452 - std::panic::catch_unwind::ha5cfb2018fda983e [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/panic.rs:394 [INFO] [stdout] 25: 0x556c2729d452 - std::thread::Builder::spawn_unchecked::{{closure}}::hc7620e41f0938c09 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/thread/mod.rs:469 [INFO] [stdout] 26: 0x556c2729d452 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b3b20eeb6ea6ddd [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/ops/function.rs:235 [INFO] [stdout] 27: 0x556c2730268f - as core::ops::function::FnOnce>::call_once::h2877b2aefb0fd627 [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 28: 0x556c2730f310 - as core::ops::function::FnOnce>::call_once::h13f473dbcdaa0fef [INFO] [stdout] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/liballoc/boxed.rs:787 [INFO] [stdout] 29: 0x556c2730f310 - std::sys_common::thread::start_thread::h562a7c4953cb1d31 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 30: 0x556c2730f310 - std::sys::unix::thread::Thread::new::thread_start::h382c6ae14181d163 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 31: 0x7f5e2cf9a6db - start_thread [INFO] [stdout] 32: 0x7f5e2caab88f - __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" "7d7e0d89b23c1d1c97ab486bc711369a6467644d59c0bfee0168024964b0be38"` [INFO] running `"docker" "rm" "-f" "7d7e0d89b23c1d1c97ab486bc711369a6467644d59c0bfee0168024964b0be38"` [INFO] [stdout] 7d7e0d89b23c1d1c97ab486bc711369a6467644d59c0bfee0168024964b0be38