[INFO] fetching crate bolero-engine 0.6.0...
[INFO] testing bolero-engine-0.6.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate bolero-engine 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate bolero-engine 0.6.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-engine 0.6.0
[INFO] finished tweaking crates.io crate bolero-engine 0.6.0
[INFO] tweaked toml for crates.io crate bolero-engine 0.6.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 733001e623cc2cd1d9e2d7c9ab68c0cc1f24ccb59b668776f4b4e838326c9a71
[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" "733001e623cc2cd1d9e2d7c9ab68c0cc1f24ccb59b668776f4b4e838326c9a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733001e623cc2cd1d9e2d7c9ab68c0cc1f24ccb59b668776f4b4e838326c9a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733001e623cc2cd1d9e2d7c9ab68c0cc1f24ccb59b668776f4b4e838326c9a71", kill_on_drop: false }`
[INFO] [stdout] 733001e623cc2cd1d9e2d7c9ab68c0cc1f24ccb59b668776f4b4e838326c9a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 631df9ce8e9e57263adf5b80b102d0ba45e51365eef2b4e04e4669cef6f630c8
[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" "631df9ce8e9e57263adf5b80b102d0ba45e51365eef2b4e04e4669cef6f630c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero-generator v0.6.0
[INFO] [stderr]    Compiling bolero-engine v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "631df9ce8e9e57263adf5b80b102d0ba45e51365eef2b4e04e4669cef6f630c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631df9ce8e9e57263adf5b80b102d0ba45e51365eef2b4e04e4669cef6f630c8", kill_on_drop: false }`
[INFO] [stdout] 631df9ce8e9e57263adf5b80b102d0ba45e51365eef2b4e04e4669cef6f630c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", 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] 74b093e28084449980e859442c4c2229bf515c423392bf294480d37bf0552c66
[INFO] running `Command { std: "docker" "start" "-a" "74b093e28084449980e859442c4c2229bf515c423392bf294480d37bf0552c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero-engine v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "74b093e28084449980e859442c4c2229bf515c423392bf294480d37bf0552c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b093e28084449980e859442c4c2229bf515c423392bf294480d37bf0552c66", kill_on_drop: false }`
[INFO] [stdout] 74b093e28084449980e859442c4c2229bf515c423392bf294480d37bf0552c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 501df52040a86c04cdc2e1a0640e0e7a401fd3aeaca11e68438a100cf2646da6
[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" "501df52040a86c04cdc2e1a0640e0e7a401fd3aeaca11e68438a100cf2646da6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bolero_engine-6777f01410d8eb0a
[INFO] [stdout] test target_location::format_symbol_name_test ... ok
[INFO] [stdout] test target_location::item_path_test ... ok
[INFO] [stdout] test shrink::u32_shrink_test ... ok
[INFO] [stdout] test shrink::u16_shrink_test ... ok
[INFO] [stdout] test shrink::vec_shrink_test ... ok
[INFO] [stdout] test shrink::non_start_vec_shrink_test ... ok
[INFO] [stdout] test shrink::middle_vec_shrink_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- shrink::middle_vec_shrink_test stdout ----
[INFO] [stdout] thread 'shrink::middle_vec_shrink_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `255`,
[INFO] [stdout]  right: `0`', src/shrink.rs:369:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562c28b3dbd0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x562c28b3dbd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562c28b3dbd0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562c28b3dbd0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562c28b61b6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x562c28b39ee2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x562c28b40675 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562c28b40675 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562c28b40675 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x562c28b40202 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x562c28a078a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9493c142a42bd8be
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1332:9
[INFO] [stdout]   11:     0x562c289fbf0b - <bolero_engine::panic::PANIC_HOOK as core::ops::deref::Deref>::deref::__static_ref_initialize::{{closure}}::hd90594d203e236bd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/panic.rs:48:17
[INFO] [stdout]   12:     0x562c28b40e36 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:595:17
[INFO] [stdout]   13:     0x562c28b40957 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   14:     0x562c28b3e08c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   15:     0x562c28b408b9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   16:     0x562c28b4086b - std::panicking::begin_panic_fmt::h37a25c59c4d54517
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:435:5
[INFO] [stdout]   17:     0x562c289f7541 - bolero_engine::shrink::middle_vec_shrink_test::{{closure}}::h09501f35ca98e22f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:369:13
[INFO] [stdout]   18:     0x562c28a148e3 - <bolero_engine::test::ClonedGeneratorTest<F,G,<G as bolero_generator::ValueGenerator>::Output> as bolero_engine::test::Test>::test::{{closure}}::{{closure}}::h99c6c5ac187d023a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:240:27
[INFO] [stdout]   19:     0x562c289fb119 - bolero_engine::panic::__panic_marker_start__::h606003692c9ce16e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/panic.rs:188:5
[INFO] [stdout]   20:     0x562c289f7ca8 - bolero_engine::panic::catch::{{closure}}::h9ebe3dfbefc2d351
[INFO] [stdout]                                at /opt/rustwide/workdir/src/panic.rs:82:38
[INFO] [stdout]   21:     0x562c28a10cc8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h7e689ae216d47a93
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   22:     0x562c289fd480 - std::panicking::try::do_call::hcea02129c47f10ff
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   23:     0x562c289ff11d - __rust_try
[INFO] [stdout]   24:     0x562c289fc93a - std::panicking::try::h19e5df2754993c0a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   25:     0x562c28a11538 - std::panic::catch_unwind::h0f32033c91c58fb8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   26:     0x562c289f7b97 - bolero_engine::panic::catch::hfdac855732ad23fc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/panic.rs:82:5
[INFO] [stdout]   27:     0x562c28a14e95 - <bolero_engine::test::ClonedGeneratorTest<F,G,<G as bolero_generator::ValueGenerator>::Output> as bolero_engine::test::Test>::test::{{closure}}::h450fa7e5a06b8721
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:239:13
[INFO] [stdout]   28:     0x562c289f5bae - <bolero_engine::shrink::ShrinkInput as bolero_engine::test_input::TestInput<Output>>::with_driver::h7c44aa3cb4450a2a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:304:9
[INFO] [stdout]   29:     0x562c28a1461d - <bolero_engine::test::ClonedGeneratorTest<F,G,<G as bolero_generator::ValueGenerator>::Output> as bolero_engine::test::Test>::test::hd483d530418c4df9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:232:9
[INFO] [stdout]   30:     0x562c289f563c - bolero_engine::shrink::Shrinker<T>::execute::hfea8dea769cc86c0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:277:9
[INFO] [stdout]   31:     0x562c289ea434 - bolero_engine::shrink::Shrinker<T>::shrink::h8c243db7420579d0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:71:17
[INFO] [stdout]   32:     0x562c289f701c - bolero_engine::shrink::middle_vec_shrink_test::h61e53d1469835593
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:321:27
[INFO] [stdout]   33:     0x562c289f6f3a - bolero_engine::shrink::middle_vec_shrink_test::{{closure}}::h3ce921d0b5268116
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:311:9
[INFO] [stdout]   34:     0x562c289fda8e - core::ops::function::FnOnce::call_once::h1fa696589979fb4c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   35:     0x562c28b02913 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x562c28b02913 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   37:     0x562c28b01008 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   38:     0x562c28b01008 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   39:     0x562c28b01008 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   40:     0x562c28b01008 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   41:     0x562c28b01008 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   42:     0x562c28b01008 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   43:     0x562c28b01008 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   44:     0x562c28adb5f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   45:     0x562c28adfdbd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   46:     0x562c28adfdbd - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   47:     0x562c28adfdbd - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   48:     0x562c28adfdbd - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   49:     0x562c28adfdbd - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   50:     0x562c28adfdbd - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   51:     0x562c28adfdbd - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   52:     0x562c28b4640a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   53:     0x562c28b4640a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   54:     0x562c28b4640a - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   55:     0x7f39f9d69609 - start_thread
[INFO] [stdout]   56:     0x7f39f9ff4293 - clone
[INFO] [stdout]   57:                0x0 - <unknown>
[INFO] [stdout] thread 'shrink::middle_vec_shrink_test' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255]`,
[INFO] [stdout]  right: `[1, 1, 1]`', src/shrink.rs:362:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562c28b3dbd0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x562c28b3dbd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562c28b3dbd0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562c28b3dbd0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562c28b61b6c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x562c28b39ee2 - std::io::Write::write_fmt::hd17811b9a5dec54b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x562c28b40675 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562c28b40675 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562c28b40675 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x562c28b40202 - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x562c28a078a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9493c142a42bd8be
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1332:9
[INFO] [stdout]   11:     0x562c289fbf0b - <bolero_engine::panic::PANIC_HOOK as core::ops::deref::Deref>::deref::__static_ref_initialize::{{closure}}::hd90594d203e236bd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/panic.rs:48:17
[INFO] [stdout]   12:     0x562c28b40e36 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:595:17
[INFO] [stdout]   13:     0x562c28b40957 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13
[INFO] [stdout]   14:     0x562c28b3e08c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   15:     0x562c28b408b9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5
[INFO] [stdout]   16:     0x562c28b4086b - std::panicking::begin_panic_fmt::h37a25c59c4d54517
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:435:5
[INFO] [stdout]   17:     0x562c289f7233 - bolero_engine::shrink::middle_vec_shrink_test::h61e53d1469835593
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:325:13
[INFO] [stdout]   18:     0x562c289f6f3a - bolero_engine::shrink::middle_vec_shrink_test::{{closure}}::h3ce921d0b5268116
[INFO] [stdout]                                at /opt/rustwide/workdir/src/shrink.rs:311:9
[INFO] [stdout]   19:     0x562c289fda8e - core::ops::function::FnOnce::call_once::h1fa696589979fb4c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x562c28b02913 - core::ops::function::FnOnce::call_once::h72b3efc134abec04
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x562c28b02913 - test::__rust_begin_short_backtrace::hf76173a3f44f554b
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5
[INFO] [stdout]   22:     0x562c28b01008 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h49f5b686efed1e06
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   23:     0x562c28b01008 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   24:     0x562c28b01008 - std::panicking::try::do_call::h9655796ce3021b6c
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   25:     0x562c28b01008 - std::panicking::try::h346508ed448399f4
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   26:     0x562c28b01008 - std::panic::catch_unwind::h00e84f4e9c3caaa0
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   27:     0x562c28b01008 - test::run_test_in_process::hc80321f825c30106
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18
[INFO] [stdout]   28:     0x562c28b01008 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39
[INFO] [stdout]   29:     0x562c28adb5f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x562c28adfdbd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   31:     0x562c28adfdbd - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9
[INFO] [stdout]   32:     0x562c28adfdbd - std::panicking::try::do_call::haad8639857ae1187
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40
[INFO] [stdout]   33:     0x562c28adfdbd - std::panicking::try::h61de115e9dce60f6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19
[INFO] [stdout]   34:     0x562c28adfdbd - std::panic::catch_unwind::h50601fd82666a838
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14
[INFO] [stdout]   35:     0x562c28adfdbd - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   36:     0x562c28adfdbd - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x562c28b4640a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5446ed3fdb82006e
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   38:     0x562c28b4640a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h62a21a889329a3f2
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9
[INFO] [stdout]   39:     0x562c28b4640a - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6
[INFO] [stdout]                                at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   40:     0x7f39f9d69609 - start_thread
[INFO] [stdout]   41:     0x7f39f9ff4293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     shrink::middle_vec_shrink_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "501df52040a86c04cdc2e1a0640e0e7a401fd3aeaca11e68438a100cf2646da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501df52040a86c04cdc2e1a0640e0e7a401fd3aeaca11e68438a100cf2646da6", kill_on_drop: false }`
[INFO] [stdout] 501df52040a86c04cdc2e1a0640e0e7a401fd3aeaca11e68438a100cf2646da6