[INFO] fetching crate be-tree 0.1.0...
[INFO] testing be-tree-0.1.0 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate be-tree 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate be-tree 0.1.0
[INFO] finished tweaking crates.io crate be-tree 0.1.0
[INFO] tweaked toml for crates.io crate be-tree 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate be-tree 0.1.0 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14453e5120a13b930747f9d89a0c4e1745c24da848de7d1ea9c2d488cd7cac23
[INFO] running `Command { std: "docker" "start" "-a" "14453e5120a13b930747f9d89a0c4e1745c24da848de7d1ea9c2d488cd7cac23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14453e5120a13b930747f9d89a0c4e1745c24da848de7d1ea9c2d488cd7cac23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14453e5120a13b930747f9d89a0c4e1745c24da848de7d1ea9c2d488cd7cac23", kill_on_drop: false }`
[INFO] [stdout] 14453e5120a13b930747f9d89a0c4e1745c24da848de7d1ea9c2d488cd7cac23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84eb67e1f2952b842e54a2389caf757d1112a7209faeb81cf9783e21c1b85645
[INFO] running `Command { std: "docker" "start" "-a" "84eb67e1f2952b842e54a2389caf757d1112a7209faeb81cf9783e21c1b85645", kill_on_drop: false }`
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `[Pivot<K, V>; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: `Box` must be non-null (in this struct field)
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     child: Box<Node<K, V>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "84eb67e1f2952b842e54a2389caf757d1112a7209faeb81cf9783e21c1b85645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84eb67e1f2952b842e54a2389caf757d1112a7209faeb81cf9783e21c1b85645", kill_on_drop: false }`
[INFO] [stdout] 84eb67e1f2952b842e54a2389caf757d1112a7209faeb81cf9783e21c1b85645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b1ddf77b999f14e2ec977e886d1464d0ec1b3998469777d4784fa97518383f
[INFO] running `Command { std: "docker" "start" "-a" "53b1ddf77b999f14e2ec977e886d1464d0ec1b3998469777d4784fa97518383f", kill_on_drop: false }`
[INFO] [stdout] warning: the type `[Pivot<K, V>; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: `Box` must be non-null (in this struct field)
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     child: Box<Node<K, V>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling be-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `[Pivot<K, V>; 4]` does not permit being left uninitialized
[INFO] [stdout]   --> src/lib.rs:55:45
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 };
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: `Box` must be non-null (in this struct field)
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 |     child: Box<Node<K, V>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "53b1ddf77b999f14e2ec977e886d1464d0ec1b3998469777d4784fa97518383f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b1ddf77b999f14e2ec977e886d1464d0ec1b3998469777d4784fa97518383f", kill_on_drop: false }`
[INFO] [stdout] 53b1ddf77b999f14e2ec977e886d1464d0ec1b3998469777d4784fa97518383f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53ea5c2c336272957856bc421f69d5b03e1b48f31b62696276342b78c6d40ce6
[INFO] running `Command { std: "docker" "start" "-a" "53ea5c2c336272957856bc421f69d5b03e1b48f31b62696276342b78c6d40ce6", kill_on_drop: false }`
[INFO] [stderr] warning: the type `[Pivot<K, V>; 4]` does not permit being left uninitialized
[INFO] [stderr]   --> src/lib.rs:55:45
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let mut result = Self { pivots: mem::MaybeUninit::uninit().assume_init(), len: 2 };
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr]    |
[INFO] [stderr] note: `Box` must be non-null (in this struct field)
[INFO] [stderr]   --> src/lib.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  9 |     child: Box<Node<K, V>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `be-tree` (lib) generated 1 warning
[INFO] [stderr] warning: `be-tree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/be_tree-cada5d29218d2544)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::can_clear' (17) panicked at src/lib.rs:209:22:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5c5b1797d9b2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5c5b1797d9b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5c5b1797d9b2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5c5b1797d9b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5c5b1798d7ff - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5c5b1798d7ff - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x5c5b1794b5b3 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5c5b1794b5b3 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5c5b17957222 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5c5b1795bcff - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5c5b1795bb59 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5c5b1791ed5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   12:     0x5c5b1791ed5e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5c5b1795c30f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   14:     0x5c5b1795c30f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5c5b1795c136 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5c5b17957359 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5c5b1793fc4d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5c5b17994e0d - core::panicking::panic_nounwind_fmt::runtime::hdc3e454f690461fc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5c5b17994e0d - core::panicking::panic_nounwind_fmt::h0f491c26d5575477
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/intrinsics/mod.rs:2439:9
[INFO] [stderr]   20:     0x5c5b178fb0dc - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::h46a67596ebd79861
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5c5b178fb029 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::hc0fa8f8ea273983b
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5c5b178f7018 - core::slice::<impl [T]>::get_unchecked_mut::h2fa3165b15fe4c37
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/slice/mod.rs:689:30
[INFO] [stderr]   23:     0x5c5b178fb2cb - be_tree::slice_insert::h57870df02c460692
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:209:22
[INFO] [stderr]   24:     0x5c5b178fc9c7 - be_tree::Node<K,V>::insert::h85c8e12c2c49c69a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:121:38
[INFO] [stderr]   25:     0x5c5b178fdd26 - be_tree::BeTree<K,V>::insert::he55fcfc156b2638e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:250:19
[INFO] [stderr]   26:     0x5c5b178f84a7 - be_tree::tests::can_clear::h426b49c7d58c9a9e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:318:11
[INFO] [stderr]   27:     0x5c5b178f85b7 - be_tree::tests::can_clear::{{closure}}::h922637e40c92159e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:316:19
[INFO] [stderr]   28:     0x5c5b178f95d6 - core::ops::function::FnOnce::call_once::he59a6ce9b671c3a4
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   29:     0x5c5b1791eb5b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   30:     0x5c5b1791eb5b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stderr]   31:     0x5c5b17932bbd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stderr]   32:     0x5c5b17932bbd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   33:     0x5c5b17932bbd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]   34:     0x5c5b17932bbd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]   35:     0x5c5b17932bbd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]   36:     0x5c5b17932bbd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stderr]   37:     0x5c5b17932bbd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stderr]   38:     0x5c5b1790c104 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stderr]   39:     0x5c5b1790c104 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   40:     0x5c5b1790f95a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   41:     0x5c5b1790f95a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   42:     0x5c5b1790f95a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]   43:     0x5c5b1790f95a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]   44:     0x5c5b1790f95a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]   45:     0x5c5b1790f95a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   46:     0x5c5b1790f95a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   47:     0x5c5b1795275f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stderr]   48:     0x5c5b1795275f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stderr]   49:     0x7d6c7f507aa4 - <unknown>
[INFO] [stderr]   50:     0x7d6c7f594a64 - clone
[INFO] [stderr]   51:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/be_tree-cada5d29218d2544` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "53ea5c2c336272957856bc421f69d5b03e1b48f31b62696276342b78c6d40ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ea5c2c336272957856bc421f69d5b03e1b48f31b62696276342b78c6d40ce6", kill_on_drop: false }`
[INFO] [stdout] 53ea5c2c336272957856bc421f69d5b03e1b48f31b62696276342b78c6d40ce6
