[INFO] fetching crate merkletree-rs 0.0.3...
[INFO] testing merkletree-rs-0.0.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate merkletree-rs 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate merkletree-rs 0.0.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkletree-rs 0.0.3
[INFO] finished tweaking crates.io crate merkletree-rs 0.0.3
[INFO] tweaked toml for crates.io crate merkletree-rs 0.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hex v1.0.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded bitreader v0.3.8
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded rusty-leveldb v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b9d9f205babd05fd3e5a7477b0f8c61725215e947724df9a99684d629cd090
[INFO] running `Command { std: "docker" "start" "-a" "e6b9d9f205babd05fd3e5a7477b0f8c61725215e947724df9a99684d629cd090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b9d9f205babd05fd3e5a7477b0f8c61725215e947724df9a99684d629cd090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b9d9f205babd05fd3e5a7477b0f8c61725215e947724df9a99684d629cd090", kill_on_drop: false }`
[INFO] [stdout] e6b9d9f205babd05fd3e5a7477b0f8c61725215e947724df9a99684d629cd090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8dd6dc13567d24b66f8922de3bd152817ac5df10921a1c6dc15485fbd1b3a87
[INFO] running `Command { std: "docker" "start" "-a" "b8dd6dc13567d24b66f8922de3bd152817ac5df10921a1c6dc15485fbd1b3a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling integer-encoding v1.1.7
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling bitreader v0.3.8
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rusty-leveldb v0.2.7
[INFO] [stderr]    Compiling merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8dd6dc13567d24b66f8922de3bd152817ac5df10921a1c6dc15485fbd1b3a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8dd6dc13567d24b66f8922de3bd152817ac5df10921a1c6dc15485fbd1b3a87", kill_on_drop: false }`
[INFO] [stdout] b8dd6dc13567d24b66f8922de3bd152817ac5df10921a1c6dc15485fbd1b3a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b294787c1f760348bd703425f28b2e63792838a15224e92861d7c268bdb1e0f
[INFO] running `Command { std: "docker" "start" "-a" "8b294787c1f760348bd703425f28b2e63792838a15224e92861d7c268bdb1e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8b294787c1f760348bd703425f28b2e63792838a15224e92861d7c268bdb1e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b294787c1f760348bd703425f28b2e63792838a15224e92861d7c268bdb1e0f", kill_on_drop: false }`
[INFO] [stdout] 8b294787c1f760348bd703425f28b2e63792838a15224e92861d7c268bdb1e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 463b49e3f8343c9f273b2424fee651cc226dcd74ef0098dfc3dfc7be5b8a02ee
[INFO] running `Command { std: "docker" "start" "-a" "463b49e3f8343c9f273b2424fee651cc226dcd74ef0098dfc3dfc7be5b8a02ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkletree_rs-f003417f19753b7a)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr] thread 'tests::test_generate_proof_empty_leaf_and_verify_proof' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/integer-encoding-1.1.7/src/fixed.rs:63:1:
[INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x7f492c004d41
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563034faf86c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]    1:     0x563034faf86c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x563034faf86c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x563034faf86c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x563034fda1f0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]    5:     0x563034fda1f0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]    6:     0x563034facf2f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stderr]    7:     0x563034faf654 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x563034faf654 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x563034fb1317 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stderr]   10:     0x563034fb107f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stderr]   11:     0x563034e8c6a7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   12:     0x563034e8c6a7 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stderr]   13:     0x563034fb1928 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stderr]   14:     0x563034fb1928 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stderr]   15:     0x563034fb167e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stderr]   16:     0x563034fafd36 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stderr]   17:     0x563034fb13e2 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stderr]   18:     0x563034e427c8 - core::panicking::panic_nounwind_fmt::h8767c3f35819d636
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:106:14
[INFO] [stderr]   19:     0x563034e42a3a - core::panicking::panic_misaligned_pointer_dereference::h69d5e81334dc0203
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:203:5
[INFO] [stderr]   20:     0x563034f79a6e - <u64 as integer_encoding::fixed::FixedInt>::decode_fixed::h4eefe44fcca89e63
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/integer-encoding-1.1.7/src/fixed.rs:56:33
[INFO] [stderr]   21:     0x563034ef4510 - rusty_leveldb::key_types::parse_internal_key::h803b3ccc4a39f505
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-0.2.7/src/key_types.rs:186:32
[INFO] [stderr]   22:     0x563034f30605 - rusty_leveldb::version::Version::get_overlapping::h315298f498720e3e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-0.2.7/src/version.rs:107:20
[INFO] [stderr]   23:     0x563034f2f954 - rusty_leveldb::version::Version::get::ha63a0cfc22205ac0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-0.2.7/src/version.rs:61:22
[INFO] [stderr]   24:     0x563034eb157d - rusty_leveldb::db_impl::DB::get_internal::hfde4f459c061ead3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-0.2.7/src/db_impl.rs:443:40
[INFO] [stderr]   25:     0x563034eb1c71 - rusty_leveldb::db_impl::DB::get::hcddd75683dc90d91
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rusty-leveldb-0.2.7/src/db_impl.rs:468:24
[INFO] [stderr]   26:     0x563034e52f6e - merkletree_rs::db::Db::get::h41c1543888ce50d3
[INFO] [stderr]                                at /opt/rustwide/workdir/src/db.rs:34:15
[INFO] [stderr]   27:     0x563034e491d7 - merkletree_rs::MerkleTree::new::h10e11d57c2086929
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:56:32
[INFO] [stderr]   28:     0x563034e56985 - merkletree_rs::tests::test_generate_proof_empty_leaf_and_verify_proof::hb8488b42389c7967
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:579:22
[INFO] [stderr]   29:     0x563034e56917 - merkletree_rs::tests::test_generate_proof_empty_leaf_and_verify_proof::{{closure}}::he58768483c87caf5
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:577:57
[INFO] [stderr]   30:     0x563034e45ac6 - core::ops::function::FnOnce::call_once::h54fb4b5e9162dc15
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x563034e91cff - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   32:     0x563034e91cff - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stderr]   33:     0x563034e90d15 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stderr]   34:     0x563034e90d15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   35:     0x563034e90d15 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   36:     0x563034e90d15 - std::panicking::try::h232e535e4744fe31
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   37:     0x563034e90d15 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   38:     0x563034e90d15 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stderr]   39:     0x563034e90d15 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stderr]   40:     0x563034e58fd6 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stderr]   41:     0x563034e58fd6 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stderr]   42:     0x563034e5e087 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stderr]   43:     0x563034e5e087 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   44:     0x563034e5e087 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stderr]   45:     0x563034e5e087 - std::panicking::try::he3a30b11ee45340c
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stderr]   46:     0x563034e5e087 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stderr]   47:     0x563034e5e087 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stderr]   48:     0x563034e5e087 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   49:     0x563034fb7065 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   50:     0x563034fb7065 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stderr]   51:     0x563034fb7065 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stderr]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   52:     0x7f4939758ac3 - <unknown>
[INFO] [stderr]   53:     0x7f49397e9bf4 - __clone
[INFO] [stderr]   54:                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/merkletree_rs-f003417f19753b7a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "463b49e3f8343c9f273b2424fee651cc226dcd74ef0098dfc3dfc7be5b8a02ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463b49e3f8343c9f273b2424fee651cc226dcd74ef0098dfc3dfc7be5b8a02ee", kill_on_drop: false }`
[INFO] [stdout] 463b49e3f8343c9f273b2424fee651cc226dcd74ef0098dfc3dfc7be5b8a02ee
